Freiburg07/labnotes
From 2007.igem.org
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== Sat, 4th August 2007 == | == Sat, 4th August 2007 == | ||
- | Philipp (12- | + | Philipp (12-14 o´clock):<br> |
-Evaluation of the overnight-background-tests with the beta-lactamase/calmodulin-constructs in e.coli<br> | -Evaluation of the overnight-background-tests with the beta-lactamase/calmodulin-constructs in e.coli<br> | ||
-Centrifugation and labeling of the o/n cultures (of e.coli) containing various iGEM-parts<br> | -Centrifugation and labeling of the o/n cultures (of e.coli) containing various iGEM-parts<br> | ||
Line 92: | Line 92: | ||
strategy for analytic digestion. | strategy for analytic digestion. | ||
- | '''18.30 | + | '''18.30 o´clock'''<br> |
Corinna:<br> | Corinna:<br> | ||
Digestion from the 37 °C-Room was pick up und frozen (-20 °C) | Digestion from the 37 °C-Room was pick up und frozen (-20 °C) | ||
Line 104: | Line 104: | ||
- Ligation (2 approaches): Vektor(pSB1A2/B0034) + Insert1(I15008) respectively Insert2(I15009)<br> | - Ligation (2 approaches): Vektor(pSB1A2/B0034) + Insert1(I15008) respectively Insert2(I15009)<br> | ||
- | Max (12 - 16.20 | + | Max (12 - 16.20 o´clock):<br> |
- | - | + | - Amplification of 320dp b1-calmo-b2 glycerine stock cells<br> |
- | - | + | - preparation of agarplates with different Amp concentration( backgroundtest)<br> |
- | - | + | - Plating the amplificated 320dp b1-calmo-b2 cells each at 3 Amp plates (37°C room over night)<br> |
Natalia (9-14 o'clock)<br> | Natalia (9-14 o'clock)<br> | ||
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- preparation of the analytic digestion fordFR320_b1_winzip_dhfr2a<br> | - preparation of the analytic digestion fordFR320_b1_winzip_dhfr2a<br> | ||
- | Dario (14-18):<br> | + | Dario (14-18 o´clock):<br> |
- Planning and preparation for the digestion of plasmid dFR320_b1_winzip_dhfr2a<br> | - Planning and preparation for the digestion of plasmid dFR320_b1_winzip_dhfr2a<br> | ||
- Running a gel of the pladmid pFR320_b1_#calmo#_b2<br> | - Running a gel of the pladmid pFR320_b1_#calmo#_b2<br> | ||
- Analysis of the gel | - Analysis of the gel | ||
- | Corinna (15-16 | + | Corinna (15-16 o´clock):<br> |
- Preparation of the overnight culture wiht pFR320dp-blac1-clamo-blac2 cells (Linker-lenght 4AS) at 28 °C<br> | - Preparation of the overnight culture wiht pFR320dp-blac1-clamo-blac2 cells (Linker-lenght 4AS) at 28 °C<br> | ||
== Thu, 9th August 2007 == | == Thu, 9th August 2007 == | ||
- | <p><b>Group meeting (12 - 14 | + | <p><b>Group meeting (12 - 14 o´clock)</b><br> |
Present were: Natalia, Corinna, Dario, Moritz, Max, Philipp<br> | Present were: Natalia, Corinna, Dario, Moritz, Max, Philipp<br> | ||
</p> | </p> | ||
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- talk with Kristian concerning the Primers for FHY1 and PhyA:<br> | - talk with Kristian concerning the Primers for FHY1 and PhyA:<br> | ||
- | Corinna (8.00 - 9.30 | + | Corinna (8.00 - 9.30 o´clock):<br> |
- In the overnigth assays was just a little bacterial growth to see, in one of the assays was the medium even still clear.<br> | - In the overnigth assays was just a little bacterial growth to see, in one of the assays was the medium even still clear.<br> | ||
- Anyhow: Preparation of the expression culture for the following purification of the constructs of blac1-4calmo4-blac2<br> | - Anyhow: Preparation of the expression culture for the following purification of the constructs of blac1-4calmo4-blac2<br> | ||
- | <p>Dario (8.30 - 16 | + | <p>Dario (8.30 - 16 o´clock):<br> |
- Running gel and digestion for plasmid dFR320_b1_winzip_dhfr2a with KpnI and | - Running gel and digestion for plasmid dFR320_b1_winzip_dhfr2a with KpnI and | ||
AflIII, result showed all the expected bands<br> | AflIII, result showed all the expected bands<br> | ||
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be repeated. Is going to be probably with pFR320p_blac1_2calmo2_blac2 repeated.<br> | be repeated. Is going to be probably with pFR320p_blac1_2calmo2_blac2 repeated.<br> | ||
- | Max (12 - | + | Max (12 - 16 o´clock):<br> |
- | - | + | - Counting the colonies of the 320dp b1-calmo-b2 constructs at different concentration of Amp showed extremely<br> high growth, so we could not say anything about the functionality of our constructs.<br> |
- | - | + | as we figured out, the Amp we used was too old and maybe denaturated.<br> |
+ | - Preparation of 20 1ml aliquots with ampicilline (100mg/ml) for new plates and dilution series of the<br> constructs<br> | ||
- | Philipp (12- | + | Philipp (12-16o´clock):<br> |
- | - | + | - Preparated an overnight culture of clone B1 (taken from the glycerine stock) to restock the<br> pFR320dp-blac1-winzip-blac2 plasmid<br> |
- | - | + | -Several side works<br> |
== Fr, 10th August 2007 == | == Fr, 10th August 2007 == | ||
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- Primer design (PhyA u. FHY1) is nearly completed.<br> | - Primer design (PhyA u. FHY1) is nearly completed.<br> | ||
- | Max (13.30 - 16.30 ):<br> | + | Max (13.30 - 16.30 o´clock):<br> |
- | - | + | - Breeding of 320dp b1-calmo-b2 cells with 2,4 and 6 glycines as linker from the glycerine stocks for 1 hour<br> |
- | - | + | - Made new plates with 25µg CM at each one and 50µ, 100µg, 200µg and 400µg Amp for a new dilution series<br> testing<br> |
- | - | + | - Plating the amplificated 320dp b1-calmo-b2 cells; breeding at 37°C over night<br> |
- | Natalia (9- | + | Natalia (9-14 o´clock)<br> |
- | - | + | - Plasmide dFR320d_b1_wz_dhfr2 was delivered for sequencing<br> |
- overnight culture was preped <br> | - overnight culture was preped <br> | ||
- concentration of the overnight culture was determined <br> | - concentration of the overnight culture was determined <br> | ||
- Determination of the concentration of cultural expression<br> | - Determination of the concentration of cultural expression<br> | ||
- | Corinna (15.00 - 17.00 | + | Corinna (15.00 - 17.00 o´clock):<br> |
- | - Cultures (from Moritz) from the 37 °C-Room were | + | - Cultures (from Moritz) from the 37 °C-Room were picked up. All 6 RGs showed growth.<br> |
- Preparation of glycerol-Stocks | - Preparation of glycerol-Stocks | ||
- | - Mini prep from all the | + | - Mini prep from all the samples |
== Sa, 11th August 2007 == | == Sa, 11th August 2007 == | ||
- | Max (12.30 - 14.00 | + | Max (12.30 - 14.00 o´clock):<br> |
- | - | + | - Counting of the colonies at the plates with different concentration of Amp; the cells which had the 2- and 6<br> glycines linker showed inhibited growth on higher concentrations of Amp. The cells with the 4 glycines linker<br> didnt growth at all besides the 400µg Amp plate, whioch showed 4 lonely colonies.<br> |
+ | we should make another dilution series with clone nr1 ''320dp b1-4calmo4-b2'' on different calcium titers!<br> | ||
== Su, 12th August 2007 == | == Su, 12th August 2007 == | ||
- | Corinna: (13.00 -14.15 | + | Corinna: (13.00 -14.15 o´clock)<br> |
- | - Preparation of the overnigth cultures from the glycerol stocks with the cells with different linker-lenghts (always clone 1 was used) at 28 °C; Cell-growth should be monitored, because in the last overnigth culture assay | + | - Preparation of the overnigth cultures from the glycerol stocks with the cells with different linker-lenghts (always clone 1 was used) at 28 °C; Cell-growth should be monitored, because in the last overnigth culture assay the cell growth was too low (with linker-lenght AAcids). |
== Mo, 13th August 2007 == | == Mo, 13th August 2007 == | ||
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1. Digestion of blac1-calmo-blac2 construct showed "religierten" Vector<br> | 1. Digestion of blac1-calmo-blac2 construct showed "religierten" Vector<br> | ||
- new ligation of pFR320dp-blac1-winzip-blac2 and | - new ligation of pFR320dp-blac1-winzip-blac2 and | ||
- | Calmodulin from PCR (KpnI | + | Calmodulin from PCR (KpnI and SpeI)<br> |
- afterward transformation<br> | - afterward transformation<br> | ||
- & clones were selected, thereof 3 were prepared<br> | - & clones were selected, thereof 3 were prepared<br> | ||
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- Preparing new Expression culture<br> | - Preparing new Expression culture<br> | ||
- | Max (12.30 - 16.30 | + | Max (12.30 - 16.30 o´clock):<br> |
- | - | + | - preparative digest of the ''pFR 320p b1- wz -b2'' vector with SpeI and KpnI<br> |
- | - | + | - Planning and executing a PCR for the Dhfr1-fragment out of plasmid Nr. 183<br> |
- sich aufgeregt<br> | - sich aufgeregt<br> | ||
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- Ligation(2 approaches): Vector(pSB1A2/B0034) + Insert1(I15008) alternatively Insert2(I15009)<br> | - Ligation(2 approaches): Vector(pSB1A2/B0034) + Insert1(I15008) alternatively Insert2(I15009)<br> | ||
- | Max (12 - 16 | + | Max (12 - 16 o´clock):<br> |
- | - | + | - Running a preparative gel including the ''Dhfr- fragment 1'' and the preparative digest of the vector<br> ''pFR 320p b1- wz -b2'' |
- | ''pFR 320p b1- wz -b2'' | + | - The analysis of the gel was positive and the desired bands could be eluted<br> |
- | - | + | - dephosphorilation of the vector ''pFR 320p b1- wz -b2'' before the ligation (Natalia)<br> |
- | - | + | |
- wieder aufgeregt<br> | - wieder aufgeregt<br> | ||
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- Primer design and deciding what to order by gene-synthesis<br> | - Primer design and deciding what to order by gene-synthesis<br> | ||
- | Dario (12.00 bis 18 | + | Dario (12.00 bis 18 o`clock):<br> |
- Purification of the PCR-products of Dhfr1-fragment - Assist Moritz with the | - Purification of the PCR-products of Dhfr1-fragment - Assist Moritz with the | ||
typing of the PhyA and FHY1 Primer sequences</p> | typing of the PhyA and FHY1 Primer sequences</p> | ||
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- Ligation of b1_wz_dhfr2-vector + insert (dhfr1), additionally a negative test<br> | - Ligation of b1_wz_dhfr2-vector + insert (dhfr1), additionally a negative test<br> | ||
- | Max (12 - 16 | + | Max (12 - 16 o´clock):<br> |
- | - | + | - Picked 3 clones of the ''b1- #calmo# -b2'' constructs from the plates made on 15/08/07 and preparation of over<br> night cultures<br> |
- | - | + | - preparation of new Amp dilution-plates with 50, 100, 200 and 400µg Amp and 25µg CM at each plate<br> (stored in the 4°C room untill usage)<br> |
== Fr, 17th August 2007 == | == Fr, 17th August 2007 == | ||
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- Transforming the dhfr1-winzip-dhfr2 plasmid<br> | - Transforming the dhfr1-winzip-dhfr2 plasmid<br> | ||
- | Max | + | Max forenoon (10 - 13.45 o´clock):<br> |
- | - | + | - application of glycerine stocks from the over night cultures made on 16/08/07 which had the different<br> |
- | - | + | calmoduline- constructs on them ( 2, 4 and 6 glycines linker)<br> |
- | - | + | - clone Nr 3 of each construct ( 2, 4 and 6 glycines linker) was centrifuged and the pellet was frozen<br> |
+ | - clone Nr 2 and Nr 1 were runned through a QIAGEN miniprep-kit to elute the plasmid dna, which was digested<br> with ''KpnI'' and ''SpeI'' afterwards to test if the plasmids were right<br> | ||
- nicht mal richitg aufgeregt | - nicht mal richitg aufgeregt | ||
- | + | afternoon (16 - 19 o´clock):<br> | |
- | - | + | - Preparation of 2mL cultures from the glycerine stocks of ''b1 - calmo - b2 (with 2, 4 and 6 glycines)'', to <br> plate them if the test digest would be positive<br> |
- | - | + | - The gel of the test digest runned for 45 minutes; the gel exclusively showed the expected bands what from we<br> concluded that the ligation worked correctly this time<br> |
- | - | + | - After one hour of growth, clone NR 1 was plated on the Amp dilution plates from 16/08/07; Breeding at 37°C over night ('''Platten dabei immer auf den Kopf stellen!''') |
== Mo, 20th August 2007 == | == Mo, 20th August 2007 == | ||
- | <p><b>Group meeting: (13.30-14.30)</b><br> | + | <p><b>Group meeting: (13.30-14.30 o`clock)</b><br> |
Present were: Natalia, Max, Dario<br> | Present were: Natalia, Max, Dario<br> | ||
</p> | </p> | ||
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to be digested with ((KpnI/SpnI)</p> | to be digested with ((KpnI/SpnI)</p> | ||
- | Max (12 - 14 | + | Max (12 - 14 o´clock):<br> |
- | - | + | - Counting the colonies on the Amp dilution plates from the 17/08/07; only the clone with 2 glycines linker<br> showed 46 colonies on the plate with 50µg Amp, the plate with 100µg showed 1 colonie of the 2 glycine linker<br> construct. All the other plates did not show any growth what from you could follow that these clones are <br> unable to decompose ampicilline! <br> |
- | - | + | - Preparated a 50 mL overnight culture of ''clone Nr 1 with 4 glycines'' linker for an expression culture<br> |
- | - | + | - deliverated the constructs with 2, 4 and 6 glycines linker to GATC for sequencing; i used clone Nr 1 of each<br> construct; Natalia analyzed the sequences for me because i was on holiday ;) |
- | <p>Natalia, Dario (13 - 16)<br> | + | <p>Natalia, Dario (13 - 16 o´clock)<br> |
- Amplification of the dhfr1_wz_dhfr2 clone<br> | - Amplification of the dhfr1_wz_dhfr2 clone<br> | ||
- There were 6 large and 6 small clones colonies selected from the plate with | - There were 6 large and 6 small clones colonies selected from the plate with | ||
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== Tu, 21th August 2007 == | == Tu, 21th August 2007 == | ||
- | Moritz (12-20.30):<br> | + | Moritz (12-20.30 o´clock):<br> |
- PCR for Phytochrome and FHY1 Inserts | - PCR for Phytochrome and FHY1 Inserts | ||
- | Dario (12-20:30):<br> | + | Dario (12-20:30 o´clock):<br> |
- Expressions culture of b1_calmo_b2 Gly 4 (XL-1)<br> | - Expressions culture of b1_calmo_b2 Gly 4 (XL-1)<br> | ||
- | Natalia (9:30 - 21:00)<br> | + | Natalia (9:30 - 21:00 o´clock)<br> |
- | - spin prep | + | - spin prep from picked clones (08/20/07)<br> |
- | - | + | - of all clones(12)glycerin stocks were created <br> |
- | - | + | - clones 3, 5, 6, 7, 9, 10 were centrifuged and frozen <br> |
- | - | + | - spin prep and analytic digestion with EarI of clones 1, 2, 4, 8, 11, 12 <br> |
- | - Gel | + | - Gel electrophoresis of analytic digestion<br> |
- | - | + | - preparative digestion of clone 2 <br> |
- | - | + | - Prepared plates for the growth test<br> |
- | - | + | - Made a plasmif map for the plasmid: dFR320d_dhfr1_wz_dhfr2A <br> |
== We, 22th August 2007 == | == We, 22th August 2007 == | ||
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-Overnight culture of DHFR plasmids from laboratory glycerin stocks<br> | -Overnight culture of DHFR plasmids from laboratory glycerin stocks<br> | ||
- | Dario (9.30-21.00 | + | Dario (9.30-21.00 o´clock):<br> |
- Transformation of b1_calmo4,4_b2 clone 1 in RV308<br> | - Transformation of b1_calmo4,4_b2 clone 1 in RV308<br> | ||
- Purification of the expression culture of b1_calmo4,4_b2 Klon 1 in XL-1<br> | - Purification of the expression culture of b1_calmo4,4_b2 Klon 1 in XL-1<br> | ||
- Preparation of the buffers for the periplasmatic extraction of the proteins of b1-cal4,4_b2 K1<br> | - Preparation of the buffers for the periplasmatic extraction of the proteins of b1-cal4,4_b2 K1<br> | ||
- | Natalia (9:00 - 15:00)<br> | + | Natalia (9:00 - 15:00 o´clock)<br> |
- | - | + | - Sequencing of dhfr1_wz_dhfr2 clon 1/4<br> |
- | - | + | - gel electrophoresis of preparative digestion (08/21/07) <br> |
- | - | + | - preparation of prep. digestion of clone 1/4 <br> |
- | - | + | - overnight culture of clones 1/2/4 (dhfr1_wz_dhfr2) <br> |
- | - | + | - overnight culture of b1_2,4,6calmo246_b2 <br> |
- | - | + | - Analysis of the sequencing (08/10/07) dhfr2<br> |
== Thu, 23th August 2007 == | == Thu, 23th August 2007 == | ||
- | <p><b>Group meeting </b>(14:30 bis 16:00 | + | <p><b>Group meeting </b>(14:30 bis 16:00 o´clock)<br> |
</p> | </p> | ||
<p><b>1. With pFR320p_b1_2,4,6_b2</b><br> | <p><b>1. With pFR320p_b1_2,4,6_b2</b><br> | ||
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- Transformation in BL21 with pREP4<br> | - Transformation in BL21 with pREP4<br> | ||
</p> | </p> | ||
- | <p><b>2. | + | <p><b>2. With DHFR1_wz_DHFR2</b><br> |
- Sequencing: Exchanges in a few bases, but not in DHFR. | - Sequencing: Exchanges in a few bases, but not in DHFR. | ||
Possible mistake: Plasmid is good, the problem is the plasmid map<br> | Possible mistake: Plasmid is good, the problem is the plasmid map<br> | ||
Line 436: | Line 438: | ||
</p> | </p> | ||
<p><b>4. PCR</b><br> | <p><b>4. PCR</b><br> | ||
- | - | + | - everything is working out with Fhy1, Phy A and Fhy (Digestions |
and PCR)<br> | and PCR)<br> | ||
- | - Now | + | - Now Fhy1 with YFP/YFP with FHY/ PHy A with CFP must be merged<br> |
- Next experiments. FRET ( Activity test)<br> | - Next experiments. FRET ( Activity test)<br> | ||
</p> | </p> | ||
<p><br> | <p><br> | ||
- | Dario (10.30-21.30 | + | Dario (10.30-21.30 o´clock):<br> |
- Transformation b1_calmo4,4_b2 clone 1 in RV308 was repeated.<br> | - Transformation b1_calmo4,4_b2 clone 1 in RV308 was repeated.<br> | ||
- Purification of the expression culture of b1_calmo4,4_b2 clone 1 in XL-1 still | - Purification of the expression culture of b1_calmo4,4_b2 clone 1 in XL-1 still | ||
in process.<br> | in process.<br> | ||
- | - | + | - Assisting Natalia with the Calmo-constructs with different concentration |
of Ca2+, IPTG und Amp</p> | of Ca2+, IPTG und Amp</p> | ||
- | Natalia (9.30-21.30)<br> | + | Natalia (9.30-21.30 o´clock)<br> |
- | - | + | - Analysis of the sequencing of dhfr1_wz_dhfr2 clone 4 and clone 1<br> |
- | - | + | - gel running with the preparative digestion (dhfr1_wz_dhfr2)<br> |
- | - | + | - vector of clone 4 was dephosphorylated and frozen<br> |
- | - | + | - OD of the overnight culture ofb1-2,4,6calmo2,4,6-b2 was always diluted and crossed out on plates with different concentrations <br> |
Moritz (9.30 - 16.30 o´clock):<br> | Moritz (9.30 - 16.30 o´clock):<br> | ||
Line 470: | Line 472: | ||
- new ligation of the Fhy1-YFP constructs, as well as PhyA-CFP<br> | - new ligation of the Fhy1-YFP constructs, as well as PhyA-CFP<br> | ||
- | Dario (12-16 | + | Dario (12-16 o´clock):<br> |
- Counting of colonies on plates of bl_calmo2,4,6_b2 with different concentrations of Ca2+,<br> Amp und IPTG. | - Counting of colonies on plates of bl_calmo2,4,6_b2 with different concentrations of Ca2+,<br> Amp und IPTG. | ||
- | - PheBo | + | - PheBo loading buffer for the protein purification of b1_calmo4_b2 in XL-1 was changed.<br> |
- | Natalia (9.00-11.00)<br> | + | Natalia (9.00-11.00 o´clock)<br> |
- | - | + | - again: preparative digestion of dhfr1-wz-dhfr2 clone 4<br> |
- | - dhfr1-wz-dhfr2 | + | - spin prep of dhfr1-wz-dhfr2 clone 1 and 2 <br> |
- | - | + | - evaluation of the clones b1-2,4,6calmo2,4,6-b2<br> |
== Sa, 25th August 2007 == | == Sa, 25th August 2007 == | ||
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- Ligation: Fhy1(big and small)-YFP; YFP-Fhy1(big and small); PhyA-CFP<br> | - Ligation: Fhy1(big and small)-YFP; YFP-Fhy1(big and small); PhyA-CFP<br> | ||
- | Natalia, Corinna(9.00 - 16.00)<br> | + | Natalia, Corinna(9.00 - 16.00 o´clock)<br> |
- Gel: preparativ digestion from 24/08/07 was cut and dephosphorylated<br> | - Gel: preparativ digestion from 24/08/07 was cut and dephosphorylated<br> | ||
- Analysis of the sequence of b1-2,4,6calmo2,4,6-b2<br> | - Analysis of the sequence of b1-2,4,6calmo2,4,6-b2<br> | ||
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- Spin Prep of the overnight culture (Fhy1(big and. small)-YFP; YFP-Fhy1(big and small); PhyA-CFP)<br> | - Spin Prep of the overnight culture (Fhy1(big and. small)-YFP; YFP-Fhy1(big and small); PhyA-CFP)<br> | ||
- | Natalia, Corinna (9.30-16.00)<br> | + | Natalia, Corinna (9.30-16.00 o´clock)<br> |
- Purification of the PCR-products<br> | - Purification of the PCR-products<br> | ||
- analitic gel was done<br> | - analitic gel was done<br> | ||
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- Design of plasmid maps (Fhy1(big and small)-YFP; YFP-Fhy1(big and small); PhyA-CFP)<br> | - Design of plasmid maps (Fhy1(big and small)-YFP; YFP-Fhy1(big and small); PhyA-CFP)<br> | ||
- | Corinna, Natalia (9.30-11.30)<br> | + | Corinna, Natalia (9.30-11.30 o´clock)<br> |
- Transformation of the Ligation dhfr1-2,4,6calmo2,4,6-dhfr2 ; b1-2,4,6calmo2,4,6-b2<br> | - Transformation of the Ligation dhfr1-2,4,6calmo2,4,6-dhfr2 ; b1-2,4,6calmo2,4,6-b2<br> | ||
Line 544: | Line 546: | ||
- Analysis of the Sequencing (Fhy1(big bzw. small)-YFP; YFP-Fhy1(big and small); PhyA-CFP):<br> | - Analysis of the Sequencing (Fhy1(big bzw. small)-YFP; YFP-Fhy1(big and small); PhyA-CFP):<br> | ||
- | Corinna, Natalia (10-12)<br> | + | Corinna, Natalia (10-12 o´clock)<br> |
- | - | + | - Amplification of the clones<br> |
== Sa, 1st Sept.2007 == | == Sa, 1st Sept.2007 == | ||
- | Natalia (14.30-17.30)<br> | + | Natalia (14.30-17.30 o´clock)<br> |
- | - | + | - Glycerine stock of the amplified clones<br> |
- | - | + | - spin prep of clone 1,2 of dhfr1-2,4,6calmo2,4,6-dhfr2 b1-2,4,6calmo2,4,6-b2 <br> |
- | - | + | - clone 3 of dhfr1-2,4,6calmo2,4,6-dhfr2 b1-2,4,6calmo2,4,6-b2 were centrifuged and frozen<br> |
== Mo, 3rd Sept. 2007 == | == Mo, 3rd Sept. 2007 == | ||
- | Natalia (10.30-19.00)<br> | + | Natalia (10.30-19.00 o´clock)<br> |
- | - | + | - Creating plasmid maps of dhfr1-2,4,6calmo2,4,6-dhfr2 <br> |
- | - | + | - analytic digestion: dhfr1-2,4,6calmo2,4,6-dhfr2 <br> |
- | - | + | - spin prep: dhfr1-6calmo6-dhfr2 clone 3, b1-2,4,6calmo2,4,6-b2 clone 3<br> |
- | - | + | - Analysis of the Sequencing from 09.01.07 <br> |
- | - | + | - sequencing: dhfr1-2,4calmo2,4-dhfr2 clone 1,2<br> |
== Dienstag, 4th Sept. 2007 == | == Dienstag, 4th Sept. 2007 == | ||
- | Natalia (10.30-19.30)<br> | + | Natalia (10.30-19.30 o´clock)<br> |
- | - | + | - analytic digestion of b1-2,4,6calmo2,4,6-b2 dhfr1-6calmo6-dhfr2 clone 3, gel electrophoresis and analysing<br> |
- | - | + | - again: Ligation of b1-2,4,6calmo2,4,6-b2 <br> |
- | - | + | - preparative digestion: b1-wz-b2, because vector is almost empty <br> |
- | - | + | - torturing my brain with sequencing (Sequence analysis dhfr1-2,4calmo2,4-dhfr2 clones 2,1)<br> |
- | - | + | - delivering sequencing: dhfr1-6calmo6-dhfr2 clone 3, dhfr1-4calmo4-dhfr2 clone 1<br> |
- | - | + | - for Philipp: amplification of yfp big and small (5 clones each) <br> |
== Mittwoch, 5th Sept. 2007 == | == Mittwoch, 5th Sept. 2007 == | ||
- | Natalia (10.00-15.00)<br> | + | Natalia (10.00-15.00 o´clock)<br> |
- | - | + | - transformation of b1-2,4,6calmo2,4,6-b2- ligation into XL-1<br> |
- | - | + | - made fresh Cmp-plates <br> |
- | - | + | -picked further 8 clones with b1-2,4,6calmo2,4,6-b2 (transformated: 31 Aug.07)parallel to new ligation<br> |
- | - | + | -running of preparative gel with b1-wz-b2 - vector digest, isolation and purification of bands<br> |
Philipp (17.30-21.00) <br> | Philipp (17.30-21.00) <br> | ||
- glycerol-stocks with YFP-Fhy1 (5x "big", 5x "small")<br> | - glycerol-stocks with YFP-Fhy1 (5x "big", 5x "small")<br> | ||
Line 585: | Line 587: | ||
== Do, 6th Sept. 2007 == | == Do, 6th Sept. 2007 == | ||
- | Natalia (10.00-18.30<br> | + | Natalia (10.00-18.30 o´clock)<br> |
- | - | + | - creating glycerinstocks of amplified clones (5.9.7) , spin prep of the first four clones,the other four were frozen as a pellett<br> |
- | - | + | - analytic digestion with KpnI and SpeI of (clones 1-4) b1-2,4,6calmo2,4,6-b2 <br> |
- | - b1-2calmo2-b2 | + | - gel electrophoresis of analytic digestion<br> |
- | - | + | - b1-2calmo2-b2 clone 2 and b1-6calmo6-b2 clone 4 had the right insert. Sequencing were made.<br> |
- | + | - Transformation of 09/05/07: of the ligated plasmids were 10 clones picked and amplified (b1-2,4,6calmo2,4,6-b2)<br> | |
== Fr, 7th Sept. 2007 == | == Fr, 7th Sept. 2007 == | ||
- | Natalia (10.00-18.00)<br> | + | Natalia (10.00-18.00 o´clock)<br> |
- | - | + | - dephosphorylation of b1-wz-b2 from 09/05/07 <br> |
- | - | + | - picked clones from 09/06/07: glycerol stock of all 30 clones (b1-2,4,6calmo2,4,6-b2)<br> |
- | - | + | - spin prep and analytic digestion of clones 1-5 of b1-2,4,6calmo2,4,6-b2<br> |
+ | - clones 6-10 of b1-2,4,6calmo2,4,6-b2 were frozen as a pallett<br> | ||
+ | - after analytic digestion: 3 of 5 clones were positive (b1-2,4,6calmo2,4,6-b2) <br> | ||
== Mo, 10th Sept. 2007 == | == Mo, 10th Sept. 2007 == | ||
- | Natalia (10.00-17.00)<br> | + | Natalia (10.00-17.00 o´clock)<br> |
- | - | + | - analyzing sequencing<br> |
- | - | + | - clone 1 of b1-2,4,6calmo2,4,6-b2 from 09/07/07 were delivered for sequencing<br> |
- | Philipp (13.30-16.30)<br> | + | Philipp (13.30-16.30 o´clock)<br> |
- | - | + | - plasmids from 09.05.07 were delivered for sequencing <br> |
- | - | + | - read in, getting information...<br> |
- | + | ||
== Di, 11th Sept. 2007 == | == Di, 11th Sept. 2007 == | ||
- | Philipp (11.30-16.00)<br> | + | Philipp (11.30-16.00 o´clock)<br> |
- evaluated sept.10th´s sequencing results<br> | - evaluated sept.10th´s sequencing results<br> | ||
== Mi, 12th Sept. 2007 == | == Mi, 12th Sept. 2007 == | ||
- | Philipp (12.00-15.30)<br> | + | Philipp (12.00-15.30 o´clock)<br> |
- evaluated sequencing (30./31. Aug) results . <br> | - evaluated sequencing (30./31. Aug) results . <br> | ||
- generated plasmid/fragment-maps <br> | - generated plasmid/fragment-maps <br> | ||
Line 623: | Line 626: | ||
== Do, 13th Sept. 2007 == | == Do, 13th Sept. 2007 == | ||
- | Philipp (13.00-16.30)<br> | + | Philipp (13.00-16.30 o´clock)<br> |
- | - | + | -creating more plasmid maps, analyzing sequences much more exactly <br> |
- | -10 | + | -10 new clones with PhyA-CFP-Plasmid were picked |
- | - | + | -overnight culture (clones 1-10) were started <br> |
+ | -overnight cultures of glycerol stock (Urs) with CFP-plasmid were started<br> | ||
== Fr, 14th Sept. 2007 == | == Fr, 14th Sept. 2007 == | ||
- | Philipp (10.30-18.00)<br> | + | Philipp (10.30-18.00 o´clock)<br> |
- | - | + | |
- | - | + | -spin prep of the over night culturs 1,3,5,7,9 and CFP-starting plasmid <br> |
- | - | + | -glycerol stocks with CFP-Plasmid<br> |
- | - | + | -over night cultures 2,4,6,8,10 centrifuged and frozen <br> |
- | + | -digestion (HindIII) and analytic gel for the spin preps to proof the integration from PhyA:<br> | |
- | - | + | positive for clone 3,7,9<br> |
+ | -probes delivered for sequencing<br> | ||
== Sa, 15th Sept. 2007 == | == Sa, 15th Sept. 2007 == | ||
- | Philipp(14.00-18.30)<br> | + | Philipp(14.00-18.30 o´clock)<br> |
- | - | + | |
+ | - preparative digestion of the CFP-plasmid (vector) with EcoRI and SpeI | ||
== So, 16th Sept. 2007 == | == So, 16th Sept. 2007 == | ||
- | Philipp (16.00-18.30)<br> | + | Philipp (16.00-18.30 o´clock)<br> |
- | - | + | |
- | + | -running of a preparative gel with the CFP-Vektor; unfortunately no prominent bands; maybe due to "star-activity" or contamination?<br> | |
- | - | + | -received sequences of sept. 14th (PhyA-CFP...); first impression not too bad...<br> |
== Mo, 17th Sept. 2007 == | == Mo, 17th Sept. 2007 == | ||
- | Philipp(12.00-17.00)<br> | + | Philipp(12.00-17.00 o´clock)<br> |
- | - | + | |
- | - | + | -preparative digestion /analytic gel (09.14.2007) -PhyA-CFP mit HindIII- repeated, positiv<br> |
- | - | + | -sequencing of the concerned probes (3,7,9) again with pQE-RP<br> |
+ | -planning; approach of a cultur for the expression cultur with dhfr1-4/6calmo4/6-dhfr2<br> | ||
== Di, 18th Sept. 2007 == | == Di, 18th Sept. 2007 == | ||
- | Philipp(10.00-21.00)<br> | + | Philipp(10.00-21.00 o´clock)<br> |
- | - | + | |
- | - | + | -expression cultur (RV308 with dhfr1-4/6-calmo-4/6-dhfr2), centrifuged and frozen<br> |
+ | -growth test (see above) in M9 medium (M9; M9 with TMP; M9 with TMP+CaCl)<br> | ||
== Mi, 19th Sept. 2007 == | == Mi, 19th Sept. 2007 == | ||
- | Philipp(11.00-16.00)<br> | + | Philipp(11.00-16.00 o´clock)<br> |
- | - | + | |
- | + | -analysis of the RP-sequencing from PhyA-CFP (09.17.2007); obviously PhyA is ligated at the N-terminus with CFP<br> | |
- | - | + | -> new approach of a 10ml over night culture with CFP glycerol stock from Urs<br> |
+ | -protocol/graph/Journal entry: expressions cultur (09.28.2007)<br> | ||
== Do, 20th Sept. 2007 == | == Do, 20th Sept. 2007 == | ||
- | Philipp(10.30-20.00)<br> | + | Philipp(10.30-20.00 o´clock)<br> |
- | -Spinprep | + | |
- | -iGEM | + | -Spinprep from pAR200-cJun-CFP<br> |
- | -SDS | + | -iGEM lecture<br> |
- | -OD | + | -running of the SDS gel with dhfr-4/6calmo, staining, scan<br> |
- | - | + | -measurement of the OD from the M9-cultures -> preparative test makes hope...<br> |
+ | -meeting(themes: Jamboree, working times)<br> | ||
== Fr, 21th Sept. 2007 == | == Fr, 21th Sept. 2007 == | ||
- | Philipp(11.00-12.30)<br> | + | Philipp(11.00-12.30 o´clock)<br> |
- | -SDS | + | |
- | + | -SDS gel (now ready discolored) scaned<br> | |
- | - | + | -peptide-information sheet generated<br> |
== So, 23th Sept. 2007 == | == So, 23th Sept. 2007 == | ||
- | Philipp(14.30-20.00)<br> | + | Philipp(14.30-20.00 o´clock)<br> |
- | - | + | |
- | - | + | -digestion(EcoRI,SpeI) of the CFP vectors repeated, gel extraktion (only 5 bands instead of 2!?)<br> |
- | - | + | -approach of an new over night culture for this plasmid (glycerol stock from Urs)<br> |
+ | -approach of another growth test (cross-check with the dhfr-winzip construct for "background"-measurement) in M9 for dhfr1-4calmo4-dhfr2 construct<br> | ||
== Mo, 24th Sept. 2007 == | == Mo, 24th Sept. 2007 == | ||
- | Philipp(11.00-20.00)<br> | + | Philipp(11.00-20.00 o´clock)<br> |
- | - | + | |
+ | -preparation buffer for the protein purification<br> | ||
-dhfr1-6calmo6-dhfr2 fraktioniert über Ni-NTA-Säule gereinigt<br> | -dhfr1-6calmo6-dhfr2 fraktioniert über Ni-NTA-Säule gereinigt<br> | ||
- | - | + | -over night culture with pAR200-JunW-CFP centrifuged...<br> |
- | -OD | + | -measurement of the OD of the M9-cultures ->The hope is growing...<br> |
== Di, 25th Sept. 2007 == | == Di, 25th Sept. 2007 == | ||
- | Philipp(09.00-14.30)<br> | + | Philipp(09.00-14.30 o´clock)<br> |
- | -SDS | + | |
- | - | + | -running of a SDS gel with the purificated protein (dhfr-4calmo..; 24.09.)<br> |
- | - | + | -first growth tests in M9 at different Ca2+-concentrationes<br> |
+ | -preparation of the over night culture from RV308 with dhfr1-4calmo4-dhfr2<br> | ||
== Mi, 26th Sept. 2007 == | == Mi, 26th Sept. 2007 == | ||
- | Philipp(12.30-17.00)<br> | + | Philipp(12.30-17.00 o´clock)<br> |
- | - | + | |
- | -dhfr-4calmo | + | -measurement of the ODs from the M9-background cultures (23.09.)->it looks like there's no background!!<br> |
- | -SDS | + | -spin prep of the dhfr-4calmo over night culture<br> |
- | - | + | -SDS gel evaluated and scaned<br> |
+ | -corrected peptide-informations...<br> | ||
== Do, 27th Sept. 2007 == | == Do, 27th Sept. 2007 == | ||
- | Philipp(14 | + | Philipp(14 o´clock)<br> |
- | - | + | |
+ | -measurement of the ODs der M9-Kulturen from 23.9 and 25.09.07;<br> | ||
+ | best growth at 1,6 mM Ca2+ concentration<br> | ||
== Mo, 01st Okt. 2007 == | == Mo, 01st Okt. 2007 == | ||
- | Philipp(11.00-17.30)<br> | + | Philipp(11.00-17.30 o´clock)<br> |
- | - | + | |
- | - | + | -Digestion with KpnI/SpeI, gel running, gel extraktion, determination of the concentration from Calmodulin (Insert) and blac1-winzip-blac2(Vektor)<br> |
+ | -new approach of the M9-Ca2+ dilution series<br> | ||
== Di, 02nd Okt. 2007 == | == Di, 02nd Okt. 2007 == | ||
- | Philipp | + | Philipp<br> |
- | - | + | |
+ | -measurement of the ODs of the M9-cultures (01.10.)<br> | ||
== Mi, 03rd Okt. 2007 == | == Mi, 03rd Okt. 2007 == | ||
- | Philipp(16.00-19.00)<br> | + | Philipp(16.00-19.00 o´clock)<br> |
- | - | + | |
- | -Maps | + | -more measurements of the ODs from the M9-cultures (01.10.07); clear link between Ca2+-concentration and growth recognized<br> |
+ | '''->"dhfr-4calmo-construct" seems to work!'''<br> | ||
+ | -Maps for the synthesis for the dhfr1-4calmo4-dhfr2 iGEM-parts created<br> | ||
== Do, 04th Okt. 2007 == | == Do, 04th Okt. 2007 == | ||
- | Philipp(12.30-21.30)<br> | + | Philipp (12.30-21.30 o´clock)<br> |
- | - | + | -Measurements of the OD<br> |
- | - | + | -Sequences for the synthesis prepared<br> |
+ | '''''...At that point of time we had to leave our -not really finished- lab-work and focus on the theoretical planing and uoploading of our parts and their synthesis by GeneArt...'''''<br> | ||
[https://2007.igem.org/Freiburg BACK] | [https://2007.igem.org/Freiburg BACK] |
Latest revision as of 20:05, 26 October 2007
There are days left until the Jamboree!
Fri, 3rd August 2007
workers: Natalia, Moritz
assessment of the 9 colony o/n cultures with 2,4,6 aa linker calmodulin
Sat, 4th August 2007
Philipp (12-14 o´clock):
-Evaluation of the overnight-background-tests with the beta-lactamase/calmodulin-constructs in e.coli
-Centrifugation and labeling of the o/n cultures (of e.coli) containing various iGEM-parts
Mon, 6th August 2007
From 11 until 14 o'clock
Present were : Corinna, Dario, Kristian, Moritz, Natalia, Philipp
Discussion of the result from last week
Planning the sites for the specific iGEM-cutting sites:
- ca. 20% done.
blac1-calmodulin-blac2:
- Test of the background with concentrations of ampicillin
till 200 µl/ml; all positive! Planning the PCB:
- Requesting information about the complete plasmid;
Waiting for answer
- Planning a strategy to clone parts from the iGEM-Kit, in
the case that we have to put the plasmid together ourself
dhfr1-winzip-dhfr2a:
- The last sequencing showed failures on the construct.For
the new sequencing were another clon selected. The DNA for the next sequence has
been already prepared.
Planing-strategy for Fhy1 and PhyA:
- possible combinations were: dhfr1-Fhy1; PhyA-dhfr2; blac1-
Fhy1; PhyA-blac2; Combinations with YFP/CFP could be clone by Urs.
Planing the work for next week ( 6.8. bis 10.8.2007 )
1. Digestion and sequencing of the plasmid pFR320dp-blac1-winzip-blac2
(Philipp)
2. Digestion and sequencing of the plasmid pFR320dp-blac1-calm-blac2 with 3
different linker-lenghts (Natalia, Dario)
3. Planing the PCR-Primer for PhyA and Fhy1. (Moritz)
4. Cloning of the PCB-Enzyms from iGEM-Kit (Moritz)
5. Purification of the constructs:
Preparations for the overnigth culture and the expression
culture (Corinna)
Measuring the OD and cell-harvest (Philipp, Dario)
Dialysis (Philipp, Max)
6. Digitalization of the lab protocols (Corinna, Natalia)
7. Repeating the background-test fot the - 4GlyLinker-plasmid- (on
plates)with ampicillin concentrations 50, 100, 200 und 400 µg/ml (Max)
8. Digestion and sequencing of the plasmid blac1-winzip-dhfr2 (Dario, Natalia)
Schedule for the current week
Moritz: 9 till 14 o'clock
Dario: 9 till 17 Uhr(Mo, Mi, Fr)
Philipp: 17 till 18 o'clock
Corinna: 18 till 19 o'clock
Natalia: 9 till 14 o'clock
Max: ???
Philipp:
Planning and doing the digetion of dFR320dp-blac1-winzip-blac2, these time with BssSI
Corinna
19.00 Uhr: Digestion of pFR320dp-blac1-winzip-blac2 from the 37 °C-Room was collect and tesgel running (100 Volt)
20.15 Uhr: Photo from gel done; Analysis: just one band between 2500 and 3000bp, the expected bands were not to see in the photo or in gel. Maybe was the concentration of DNA too low, because the big band was also really weak in the gel.
21.00 Uhr: Digitalization of the protocol of the group meeting.
Tu, 7th August 2007
10 to 15 o´clock
Moritz: Strategy for cloning iGEM parts for PCB biosynthesis.
Digest of the following iGEM Parts:
B0034 with SpeI and PstI (Vektor)
I15008 with XbaI and PstI (Insert1)
I15009 with XbaI and PstI (Insert2)
Digest from 14 o´clock into the 37 degree room!
10 to 15 o'clock
Natalia:
Create plasmid maps for lactamase constructs:
1. pFR320p_b1_2calmo2_b2
2. pFR320p_b1_4calmo4_b2
3. pFR320p_b1_6calmo6_b2
all plasmid maps are available in the new folder bla_calm_bla
strategy for analytic digestion.
18.30 o´clock
Corinna:
Digestion from the 37 °C-Room was pick up und frozen (-20 °C)
We, 8th August 2007
Moritz (9 - 15.30 o´clock):
- Planning of the PCR for PhyA und FHY1
- Prep. Gel for iGEM part digests: Vector and Insert1 respectively Insert2 were cutted out
- Gel-extraction of Vector, Insert1 and Insert2
- Determination of the DNA concentration (DNA Prep)
- Ligation (2 approaches): Vektor(pSB1A2/B0034) + Insert1(I15008) respectively Insert2(I15009)
Max (12 - 16.20 o´clock):
- Amplification of 320dp b1-calmo-b2 glycerine stock cells
- preparation of agarplates with different Amp concentration( backgroundtest)
- Plating the amplificated 320dp b1-calmo-b2 cells each at 3 Amp plates (37°C room over night)
Natalia (9-14 o'clock)
- Planning of the analytic digestion for pFR320p_b1_#calmo#_b2
- preparation of the analytic digestion for pFR320p_b1_#calmo#_b2
- Planning preparation of the analytic digestion fordFR320_b1_winzip_dhfr2a
- preparation of the analytic digestion fordFR320_b1_winzip_dhfr2a
Dario (14-18 o´clock):
- Planning and preparation for the digestion of plasmid dFR320_b1_winzip_dhfr2a
- Running a gel of the pladmid pFR320_b1_#calmo#_b2
- Analysis of the gel
Corinna (15-16 o´clock):
- Preparation of the overnight culture wiht pFR320dp-blac1-clamo-blac2 cells (Linker-lenght 4AS) at 28 °C
Thu, 9th August 2007
Group meeting (12 - 14 o´clock)
Present were: Natalia, Corinna, Dario, Moritz, Max, Philipp
General topics:
- To mark better the Eppis (Date, Plasmid/Cells, were a
sequence/digestion done, if fragment write the enzyme)
- List of the content of the lab plasmid-boxes (Dario)
- Preparation for a new "just" plasmid-box
Results since the last meeting and further planning:
1. Digestion and sequencing of pFR320dp-blac1-winzip-blac2:
- unclear finding; Digestion were done again: preparation of
one overnight culture from Glycerol stock - Mini prep - Digestion (Philipp,
Natalia)
2. Digestion and sequencing of plasmid pFR320dp-blac1-calmo-blac2:
- unclear finding; Repeating digestion with more DNA and more
enzyme, shorter time for the gel electrophoresis
3. Primer for PhyA and Fhy1: is running (Moritz)
4. PCB: is running (Moritz)
5. Purification of constructs blac1-4-calmo-4-blac2: - low growth of the
overnight-culture; also low growth in the expression culture
possible explanation: wrong CAM-concentration,
Temperaturedepende of the plasmid copies(28 °C!) , XL-1 blue, toxic product
Sunday: Prepare an overnight culture for all 3 constructs of
clone 1 (Corinna)
6. Digitalization: is running (Natalia, Corinna)
7. Background test (AMP):
- Growth for every construct and all tested concentrations,constitutive
activity?
8. Digestion and sequencing of the plasmid pFR320dp-blac1-winzip-dhfr2 (Dario)
new project:
- smaller lactamase-fragment from the plasmid has been removed (Umklonierung)
Moritz (9.30 - 15 o´clock):
- Transformation of the Ligation into RV 308 (chem. competent):
the Ligations of Vector + Insert1 (pSB1A2/B0034 + I15008),
as well as Vector + Insert2 (pSB1A2/B0034 + I15009)were transformed.
- talk with Kristian concerning the Primers for FHY1 and PhyA:
Corinna (8.00 - 9.30 o´clock):
- In the overnigth assays was just a little bacterial growth to see, in one of the assays was the medium even still clear.
- Anyhow: Preparation of the expression culture for the following purification of the constructs of blac1-4calmo4-blac2
Dario (8.30 - 16 o´clock):
- Running gel and digestion for plasmid dFR320_b1_winzip_dhfr2a with KpnI and
AflIII, result showed all the expected bands
- Running a gel of the digestion from plasmid pFR320_b1_#calmo#_b2, result
didn't showed all the expected bands,
possible mistakes: volume of the plasmid or the
gel-running time was too long.
- Repetition of the digestion of plasmid pFR320_b1_#calmo#_b2 with SpeI und KpnI.
- Measurements of the OD form expression culture pFR320p_blac1_4calmo4_blac2 (from
Corinna):
OD value were to low and nothing growth. The experiment must
be repeated. Is going to be probably with pFR320p_blac1_2calmo2_blac2 repeated.
Max (12 - 16 o´clock):
- Counting the colonies of the 320dp b1-calmo-b2 constructs at different concentration of Amp showed extremely
high growth, so we could not say anything about the functionality of our constructs.
as we figured out, the Amp we used was too old and maybe denaturated.
- Preparation of 20 1ml aliquots with ampicilline (100mg/ml) for new plates and dilution series of the
constructs
Philipp (12-16o´clock):
- Preparated an overnight culture of clone B1 (taken from the glycerine stock) to restock the
pFR320dp-blac1-winzip-blac2 plasmid
-Several side works
Fr, 10th August 2007
Moritz (9 - 14 o´clock):
- preperation of an overnight culture from Transformation - Plates:
The colonies grow to an high density! The plates could contain the wrong antibiotic (unfortunately I recognized it too late) that is why the Colis (RV 308) could have lost the plasmid!!
- Primer design (PhyA u. FHY1) is nearly completed.
Max (13.30 - 16.30 o´clock):
- Breeding of 320dp b1-calmo-b2 cells with 2,4 and 6 glycines as linker from the glycerine stocks for 1 hour
- Made new plates with 25µg CM at each one and 50µ, 100µg, 200µg and 400µg Amp for a new dilution series
testing
- Plating the amplificated 320dp b1-calmo-b2 cells; breeding at 37°C over night
Natalia (9-14 o´clock)
- Plasmide dFR320d_b1_wz_dhfr2 was delivered for sequencing
- overnight culture was preped
- concentration of the overnight culture was determined
- Determination of the concentration of cultural expression
Corinna (15.00 - 17.00 o´clock):
- Cultures (from Moritz) from the 37 °C-Room were picked up. All 6 RGs showed growth.
- Preparation of glycerol-Stocks
- Mini prep from all the samples
Sa, 11th August 2007
Max (12.30 - 14.00 o´clock):
- Counting of the colonies at the plates with different concentration of Amp; the cells which had the 2- and 6
glycines linker showed inhibited growth on higher concentrations of Amp. The cells with the 4 glycines linker
didnt growth at all besides the 400µg Amp plate, whioch showed 4 lonely colonies.
we should make another dilution series with clone nr1 320dp b1-4calmo4-b2 on different calcium titers!
Su, 12th August 2007
Corinna: (13.00 -14.15 o´clock)
- Preparation of the overnigth cultures from the glycerol stocks with the cells with different linker-lenghts (always clone 1 was used) at 28 °C; Cell-growth should be monitored, because in the last overnigth culture assay the cell growth was too low (with linker-lenght AAcids).
Mo, 13th August 2007
The following issues were identified:
1. Digestion of blac1-calmo-blac2 construct showed "religierten" Vector
- new ligation of pFR320dp-blac1-winzip-blac2 and
Calmodulin from PCR (KpnI and SpeI)
- afterward transformation
- & clones were selected, thereof 3 were prepared
- Digestion of totally 9 clones
- Control of the work-time for this construct:
05.7.07 - Digestion of pFR320dp-blac1-winzip-blac2
20.7.07 - Sequencing
26.7.07 - PCR for Calmodulin; Digestion of the vector with KpnI and SpeI
27.7.07 - Purification of Calmodulin
31.7.07 - Digestion pFR320dp-blac1-winzip-blac2, B.2 clone showed the right
sequence; Ligation
01.8.07 - Transformation in RV308 and XL-1
02.8.07 - Analysis of the transformation; prepare overnight culture
03.8.07 - Spin prep
2. Clones grow in medium (fluid), but not on plates
Next steps:
- Digestion of the vector pFR320dp-blac1-w-blac2
Moritz (9-14.30 o`clock):
- Preparative digest from Vector1 (Plasmid with PBAD) and Insert1 (Plasmid with RBS + HO1)
- Preparative digest from Vector2 (Plasmit with Terminator) and Insert2 (Plasmit with RBS + PcyA)
Enzymes : Vector1 with SpeI, PstI. Insert I with PstI, XbaI. Vektor2 with EcoRI, XbaI. Insert2 with EcoRI, SpeI.
Natalia (11.00 - 11.30 o'clock)
- Preparing new Expression culture
Max (12.30 - 16.30 o´clock):
- preparative digest of the pFR 320p b1- wz -b2 vector with SpeI and KpnI
- Planning and executing a PCR for the Dhfr1-fragment out of plasmid Nr. 183
- sich aufgeregt
Di, 14th August 2007
Moritz (10-13 o´clock)
- Prep. Gel: interpretation forced me to start the cloning of the iGEM parts a few steps behind!!!
- Ligation(2 approaches): Vector(pSB1A2/B0034) + Insert1(I15008) alternatively Insert2(I15009)
Max (12 - 16 o´clock):
- Running a preparative gel including the Dhfr- fragment 1 and the preparative digest of the vector
pFR 320p b1- wz -b2
- The analysis of the gel was positive and the desired bands could be eluted
- dephosphorilation of the vector pFR 320p b1- wz -b2 before the ligation (Natalia)
- wieder aufgeregt
Natalia (11:00 - 12:00 o'clock; 14:30 - 18:00 o'clock)
- measuring the OD of culture expression
- Dephosphorylating the vector: pFR320p_b1_wz_b2
- Ligating the calmodulin constructs
- preparative digestion of dhfr1
We, 15th August 2007
Moritz (9.30- 17.30 o´clock):
- Transformation of the ligation (Ligation(2 approaches): Vector(pSB1A2/B0034) + Insert1(I15008) alternatively Insert2(I15009))
- Primer design and deciding what to order by gene-synthesis
Dario (12.00 bis 18 o`clock):
- Purification of the PCR-products of Dhfr1-fragment - Assist Moritz with the
typing of the PhyA and FHY1 Primer sequences</p>
Natalia (9:30 - 12:00 o'clock)
- I transformed the ligation of 08/14/07
- preparing vector digestion (b1_wz_dhfr2)
Th, 16th August 2007
Moritz (9.30 - 15.30 o´clock):
- Overnight culture from the transformation (pSB1A2/B0034/I15008 bzw. pSB1A2/B0034/I15009)
- ordering the Primers
Natalia (9:30 - 15:30 o'clock)
- Gel electrophoresis run with the digestion of 08/15/07
- band cut, and then cleaned
- analysis of the transformation plates
- Ligation of b1_wz_dhfr2-vector + insert (dhfr1), additionally a negative test
Max (12 - 16 o´clock):
- Picked 3 clones of the b1- #calmo# -b2 constructs from the plates made on 15/08/07 and preparation of over
night cultures
- preparation of new Amp dilution-plates with 50, 100, 200 and 400µg Amp and 25µg CM at each plate
(stored in the 4°C room untill usage)
Fr, 17th August 2007
Moritz (9.30 to 12 o´clock):
- Spin Prep of the overnight culture and create Glycerin stocks
Natalia (10 - 12.30 o'clock):
- Transforming the dhfr1-winzip-dhfr2 plasmid
Max forenoon (10 - 13.45 o´clock):
- application of glycerine stocks from the over night cultures made on 16/08/07 which had the different
calmoduline- constructs on them ( 2, 4 and 6 glycines linker)
- clone Nr 3 of each construct ( 2, 4 and 6 glycines linker) was centrifuged and the pellet was frozen
- clone Nr 2 and Nr 1 were runned through a QIAGEN miniprep-kit to elute the plasmid dna, which was digested
with KpnI and SpeI afterwards to test if the plasmids were right
- nicht mal richitg aufgeregt
afternoon (16 - 19 o´clock):
- Preparation of 2mL cultures from the glycerine stocks of b1 - calmo - b2 (with 2, 4 and 6 glycines), to
plate them if the test digest would be positive
- The gel of the test digest runned for 45 minutes; the gel exclusively showed the expected bands what from we
concluded that the ligation worked correctly this time
- After one hour of growth, clone NR 1 was plated on the Amp dilution plates from 16/08/07; Breeding at 37°C over night (Platten dabei immer auf den Kopf stellen!)
Mo, 20th August 2007
Group meeting: (13.30-14.30 o`clock)
Present were: Natalia, Max, Dario
Planning the next days:
1. Konstrukt b1_calmo_b2:
- Analysis of the sequence
-Growth test on plates with different concentrations of Ca2+,
IPTG and Amp
0 0,1 1 10 mM Ca2+
0,5 0,5 0,5 0,5 mM IPTG
50 50 50 50 mg/ml Amp
(Plates pro construct??)
- Planning the expression culture of b1_calmo4,4_b2
- Purification of the constructs
- Purification of the periplasmatic disintegration
2.DHFR-construct.
- Ligation of the clone with the vector on plates showed
ca.1/3 background with clone 2
- Now we select 12 clones and these are going to be stored in
glycerol stocks
- 6x of the clones are going to be spin prepedand 6x clones
frozen
- Afterward all 6x digested
- Fragmente of the cloning process of Calmodulin are going
to be digested with ((KpnI/SpnI)
Max (12 - 14 o´clock):
- Counting the colonies on the Amp dilution plates from the 17/08/07; only the clone with 2 glycines linker
showed 46 colonies on the plate with 50µg Amp, the plate with 100µg showed 1 colonie of the 2 glycine linker
construct. All the other plates did not show any growth what from you could follow that these clones are
unable to decompose ampicilline!
- Preparated a 50 mL overnight culture of clone Nr 1 with 4 glycines linker for an expression culture
- deliverated the constructs with 2, 4 and 6 glycines linker to GATC for sequencing; i used clone Nr 1 of each
construct; Natalia analyzed the sequences for me because i was on holiday ;)
Natalia, Dario (13 - 16 o´clock)
- Amplification of the dhfr1_wz_dhfr2 clone
- There were 6 large and 6 small clones colonies selected from the plate with
the Ligation of clone 2 .
- Countig of colonies (thank you Dario)
Tu, 21th August 2007
Moritz (12-20.30 o´clock):
- PCR for Phytochrome and FHY1 Inserts
Dario (12-20:30 o´clock):
- Expressions culture of b1_calmo_b2 Gly 4 (XL-1)
Natalia (9:30 - 21:00 o´clock)
- spin prep from picked clones (08/20/07)
- of all clones(12)glycerin stocks were created
- clones 3, 5, 6, 7, 9, 10 were centrifuged and frozen
- spin prep and analytic digestion with EarI of clones 1, 2, 4, 8, 11, 12
- Gel electrophoresis of analytic digestion
- preparative digestion of clone 2
- Prepared plates for the growth test
- Made a plasmif map for the plasmid: dFR320d_dhfr1_wz_dhfr2A
We, 22th August 2007
Moritz (10-20 o´clock):
- Prep. gel, gel-extraction, digest and PCR purification Kit from our PCR products
- Planning for the cloning of PCB biosythesis enzymes
-Ligation of Fhy1 with YFP (N- and C-terminal)
-Overnight culture of DHFR plasmids from laboratory glycerin stocks
Dario (9.30-21.00 o´clock):
- Transformation of b1_calmo4,4_b2 clone 1 in RV308
- Purification of the expression culture of b1_calmo4,4_b2 Klon 1 in XL-1
- Preparation of the buffers for the periplasmatic extraction of the proteins of b1-cal4,4_b2 K1
Natalia (9:00 - 15:00 o´clock)
- Sequencing of dhfr1_wz_dhfr2 clon 1/4
- gel electrophoresis of preparative digestion (08/21/07)
- preparation of prep. digestion of clone 1/4
- overnight culture of clones 1/2/4 (dhfr1_wz_dhfr2)
- overnight culture of b1_2,4,6calmo246_b2
- Analysis of the sequencing (08/10/07) dhfr2
Thu, 23th August 2007
Group meeting (14:30 bis 16:00 o´clock)
1. With pFR320p_b1_2,4,6_b2
- Sequences are still not analyzed (Natalia and Dario)
-Constructs on plates with different concentrations of Ca2+,
IPTG und Amp must be poured (Natalia and Dario)
- further procedures have to be discuss with Jochen
- Transformation in BL21 with pREP4
2. With DHFR1_wz_DHFR2
- Sequencing: Exchanges in a few bases, but not in DHFR.
Possible mistake: Plasmid is good, the problem is the plasmid map
- Digestion with KpnI/SpnI, Was Positive but with extra bands
on gel.
Now is have to be cloned.
3. Protein Purification
- 1. Experiment in XL-1
- Activity test is missing
4. PCR
- everything is working out with Fhy1, Phy A and Fhy (Digestions
and PCR)
- Now Fhy1 with YFP/YFP with FHY/ PHy A with CFP must be merged
- Next experiments. FRET ( Activity test)
Dario (10.30-21.30 o´clock):
- Transformation b1_calmo4,4_b2 clone 1 in RV308 was repeated.
- Purification of the expression culture of b1_calmo4,4_b2 clone 1 in XL-1 still
in process.
- Assisting Natalia with the Calmo-constructs with different concentration
of Ca2+, IPTG und Amp
Natalia (9.30-21.30 o´clock)
- Analysis of the sequencing of dhfr1_wz_dhfr2 clone 4 and clone 1
- gel running with the preparative digestion (dhfr1_wz_dhfr2)
- vector of clone 4 was dephosphorylated and frozen
- OD of the overnight culture ofb1-2,4,6calmo2,4,6-b2 was always diluted and crossed out on plates with different concentrations
Moritz (9.30 - 16.30 o´clock):
- Spin Prep of the overnight culture (from plasmids of the laboratory Glycerin stock: 172, 179 and 183)
- digest of the (function as vectors for PhyA and Fhy1 Inserts)
- Transformation of YFP-Fhy1 (small and big), Fhy1-YFP (small and big) plasmids, iGEM Part I0500 on pSB2K3
Fr, 24th August 2007
Moritz (9-17 o´clock):
- Analyses of the transformation: iGEM Part does not grow, Fhy1 (big and small)- YFP does not grow, YFP-FHY1 grows
quite good
- new transformation of the iGEM parts
- Prep.-Gel of the vector digest (172,179,183)
- new ligation of the Fhy1-YFP constructs, as well as PhyA-CFP
Dario (12-16 o´clock):
- Counting of colonies on plates of bl_calmo2,4,6_b2 with different concentrations of Ca2+,
Amp und IPTG.
- PheBo loading buffer for the protein purification of b1_calmo4_b2 in XL-1 was changed.
Natalia (9.00-11.00 o´clock)
- again: preparative digestion of dhfr1-wz-dhfr2 clone 4
- spin prep of dhfr1-wz-dhfr2 clone 1 and 2
- evaluation of the clones b1-2,4,6calmo2,4,6-b2
Sa, 25th August 2007
Moritz (11-14o´clock):
- new transformation of YFP-Fhy1 and PhyA-CFP constructs
- new transformation of iGEM- Part I0500, because it does not grow again!!!
- Gel-extraction of vectors (172,179,183)
Mo, 27th August 2007
Moritz (11-17 o´clock):
- Dephosphorylation of vectors (172, 179, 183)
- PCR for Fhy1 Inserts
- Transformation of iGEM Part I0500
- Ligation: Fhy1(big and small)-YFP; YFP-Fhy1(big and small); PhyA-CFP
Natalia, Corinna(9.00 - 16.00 o´clock)
- Gel: preparativ digestion from 24/08/07 was cut and dephosphorylated
- Analysis of the sequence of b1-2,4,6calmo2,4,6-b2
Tu, 28th August 2007
Corinna, Natalia (9.30-22.30 o´clock):
- Analysis of the sequences for the lactamase-Calmodulin-constructs (Linker-length 2,4,6 AS): too many problems with Calmodulin, probably just mistekes On the sequencing process
- New assays from Calmodulin to be sequenced were given
- new PCR for Calmodulin with different linker-lengths; purification of the PCR products
- Digestion of the PCR-products with KpnI and SpeI
- prep. Gel : Template-Bands were to see, but sadly no product
- New preparations of PCR; but these time were the attenuate examples of Primer and Template fresh
Moritz (11-22.30 o´clock):
- Transformation of the ligation (Fhy1(big and small)-YFP; YFP-Fhy1(big and. small); PhyA-CFP)
- Digest of the PCR products, Prep.-Gel
- Overnight culture of iGEM Part I0500
- Ligation: Fhy1(big and small)-dhfr1; dhfr1-Fhy1(big and small); PhyA-dhfr2
Mi, 29th August 2007
Moritz(9.30-21.30 o´clock):
- Overnight culture (Fhy1(big bzw. small)-YFP; YFP-Fhy1(big bzw. small); PhyA-CFP)
- Transformation of the ligation (Fhy1(big and small)-dhfr1; dhfr1-Fhy1(big and small); PhyA-dhfr2)
- Spin Prep of the overnight culture (Fhy1(big and. small)-YFP; YFP-Fhy1(big and small); PhyA-CFP)
Natalia, Corinna (9.30-16.00 o´clock)
- Purification of the PCR-products
- analitic gel was done
- Digestion of the PCR-products and preparativ gel
- Ligation assay
Do, 30th August 2007
Moritz (10.30-15.30 o´clock):
- analysis of the transformation (Fhy1(big bzw. small)-dhfr1; dhfr1-Fhy1(big and small); PhyA-dhfr2)
- Overnight culture of the transformation
- Delivery for the sequencing(Fhy1(big and small)-YFP; YFP-Fhy1(big and small); PhyA-CFP)
- Design of plasmid maps (Fhy1(big and small)-YFP; YFP-Fhy1(big and small); PhyA-CFP)
Corinna, Natalia (9.30-11.30 o´clock)
- Transformation of the Ligation dhfr1-2,4,6calmo2,4,6-dhfr2 ; b1-2,4,6calmo2,4,6-b2
Fr, 31th August 2007
Moritz (10.30 - 18.15 o´clock):
- Spin Prep of the overnight culture (Fhy1(big and small)-dhfr1; dhfr1-Fhy1(big and small); PhyA-dhfr2)
- Analysis of the Sequencing (Fhy1(big bzw. small)-YFP; YFP-Fhy1(big and small); PhyA-CFP):
Corinna, Natalia (10-12 o´clock)
- Amplification of the clones
Sa, 1st Sept.2007
Natalia (14.30-17.30 o´clock)
- Glycerine stock of the amplified clones
- spin prep of clone 1,2 of dhfr1-2,4,6calmo2,4,6-dhfr2 b1-2,4,6calmo2,4,6-b2
- clone 3 of dhfr1-2,4,6calmo2,4,6-dhfr2 b1-2,4,6calmo2,4,6-b2 were centrifuged and frozen
Mo, 3rd Sept. 2007
Natalia (10.30-19.00 o´clock)
- Creating plasmid maps of dhfr1-2,4,6calmo2,4,6-dhfr2
- analytic digestion: dhfr1-2,4,6calmo2,4,6-dhfr2
- spin prep: dhfr1-6calmo6-dhfr2 clone 3, b1-2,4,6calmo2,4,6-b2 clone 3
- Analysis of the Sequencing from 09.01.07
- sequencing: dhfr1-2,4calmo2,4-dhfr2 clone 1,2
Dienstag, 4th Sept. 2007
Natalia (10.30-19.30 o´clock)
- analytic digestion of b1-2,4,6calmo2,4,6-b2 dhfr1-6calmo6-dhfr2 clone 3, gel electrophoresis and analysing
- again: Ligation of b1-2,4,6calmo2,4,6-b2
- preparative digestion: b1-wz-b2, because vector is almost empty
- torturing my brain with sequencing (Sequence analysis dhfr1-2,4calmo2,4-dhfr2 clones 2,1)
- delivering sequencing: dhfr1-6calmo6-dhfr2 clone 3, dhfr1-4calmo4-dhfr2 clone 1
- for Philipp: amplification of yfp big and small (5 clones each)
Mittwoch, 5th Sept. 2007
Natalia (10.00-15.00 o´clock)
- transformation of b1-2,4,6calmo2,4,6-b2- ligation into XL-1
- made fresh Cmp-plates
-picked further 8 clones with b1-2,4,6calmo2,4,6-b2 (transformated: 31 Aug.07)parallel to new ligation
-running of preparative gel with b1-wz-b2 - vector digest, isolation and purification of bands
Philipp (17.30-21.00)
- glycerol-stocks with YFP-Fhy1 (5x "big", 5x "small")
- Spinprep of corresponding cultures
Do, 6th Sept. 2007
Natalia (10.00-18.30 o´clock)
- creating glycerinstocks of amplified clones (5.9.7) , spin prep of the first four clones,the other four were frozen as a pellett
- analytic digestion with KpnI and SpeI of (clones 1-4) b1-2,4,6calmo2,4,6-b2
- gel electrophoresis of analytic digestion
- b1-2calmo2-b2 clone 2 and b1-6calmo6-b2 clone 4 had the right insert. Sequencing were made.
- Transformation of 09/05/07: of the ligated plasmids were 10 clones picked and amplified (b1-2,4,6calmo2,4,6-b2)
Fr, 7th Sept. 2007
Natalia (10.00-18.00 o´clock)
- dephosphorylation of b1-wz-b2 from 09/05/07
- picked clones from 09/06/07: glycerol stock of all 30 clones (b1-2,4,6calmo2,4,6-b2)
- spin prep and analytic digestion of clones 1-5 of b1-2,4,6calmo2,4,6-b2
- clones 6-10 of b1-2,4,6calmo2,4,6-b2 were frozen as a pallett
- after analytic digestion: 3 of 5 clones were positive (b1-2,4,6calmo2,4,6-b2)
Mo, 10th Sept. 2007
Natalia (10.00-17.00 o´clock)
- analyzing sequencing
- clone 1 of b1-2,4,6calmo2,4,6-b2 from 09/07/07 were delivered for sequencing
Philipp (13.30-16.30 o´clock)
- plasmids from 09.05.07 were delivered for sequencing
- read in, getting information...
Di, 11th Sept. 2007
Philipp (11.30-16.00 o´clock)
- evaluated sept.10th´s sequencing results
Mi, 12th Sept. 2007
Philipp (12.00-15.30 o´clock)
- evaluated sequencing (30./31. Aug) results .
- generated plasmid/fragment-maps
- found a negative result on the ligation of PhyA to CFP
Do, 13th Sept. 2007
Philipp (13.00-16.30 o´clock)
-creating more plasmid maps, analyzing sequences much more exactly
-10 new clones with PhyA-CFP-Plasmid were picked
-overnight culture (clones 1-10) were started
-overnight cultures of glycerol stock (Urs) with CFP-plasmid were started
Fr, 14th Sept. 2007
Philipp (10.30-18.00 o´clock)
-spin prep of the over night culturs 1,3,5,7,9 and CFP-starting plasmid
-glycerol stocks with CFP-Plasmid
-over night cultures 2,4,6,8,10 centrifuged and frozen
-digestion (HindIII) and analytic gel for the spin preps to proof the integration from PhyA:
positive for clone 3,7,9
-probes delivered for sequencing
Sa, 15th Sept. 2007
Philipp(14.00-18.30 o´clock)
- preparative digestion of the CFP-plasmid (vector) with EcoRI and SpeI
So, 16th Sept. 2007
Philipp (16.00-18.30 o´clock)
-running of a preparative gel with the CFP-Vektor; unfortunately no prominent bands; maybe due to "star-activity" or contamination?
-received sequences of sept. 14th (PhyA-CFP...); first impression not too bad...
Mo, 17th Sept. 2007
Philipp(12.00-17.00 o´clock)
-preparative digestion /analytic gel (09.14.2007) -PhyA-CFP mit HindIII- repeated, positiv
-sequencing of the concerned probes (3,7,9) again with pQE-RP
-planning; approach of a cultur for the expression cultur with dhfr1-4/6calmo4/6-dhfr2
Di, 18th Sept. 2007
Philipp(10.00-21.00 o´clock)
-expression cultur (RV308 with dhfr1-4/6-calmo-4/6-dhfr2), centrifuged and frozen
-growth test (see above) in M9 medium (M9; M9 with TMP; M9 with TMP+CaCl)
Mi, 19th Sept. 2007
Philipp(11.00-16.00 o´clock)
-analysis of the RP-sequencing from PhyA-CFP (09.17.2007); obviously PhyA is ligated at the N-terminus with CFP
-> new approach of a 10ml over night culture with CFP glycerol stock from Urs
-protocol/graph/Journal entry: expressions cultur (09.28.2007)
Do, 20th Sept. 2007
Philipp(10.30-20.00 o´clock)
-Spinprep from pAR200-cJun-CFP
-iGEM lecture
-running of the SDS gel with dhfr-4/6calmo, staining, scan
-measurement of the OD from the M9-cultures -> preparative test makes hope...
-meeting(themes: Jamboree, working times)
Fr, 21th Sept. 2007
Philipp(11.00-12.30 o´clock)
-SDS gel (now ready discolored) scaned
-peptide-information sheet generated
So, 23th Sept. 2007
Philipp(14.30-20.00 o´clock)
-digestion(EcoRI,SpeI) of the CFP vectors repeated, gel extraktion (only 5 bands instead of 2!?)
-approach of an new over night culture for this plasmid (glycerol stock from Urs)
-approach of another growth test (cross-check with the dhfr-winzip construct for "background"-measurement) in M9 for dhfr1-4calmo4-dhfr2 construct
Mo, 24th Sept. 2007
Philipp(11.00-20.00 o´clock)
-preparation buffer for the protein purification
-dhfr1-6calmo6-dhfr2 fraktioniert über Ni-NTA-Säule gereinigt
-over night culture with pAR200-JunW-CFP centrifuged...
-measurement of the OD of the M9-cultures ->The hope is growing...
Di, 25th Sept. 2007
Philipp(09.00-14.30 o´clock)
-running of a SDS gel with the purificated protein (dhfr-4calmo..; 24.09.)
-first growth tests in M9 at different Ca2+-concentrationes
-preparation of the over night culture from RV308 with dhfr1-4calmo4-dhfr2
Mi, 26th Sept. 2007
Philipp(12.30-17.00 o´clock)
-measurement of the ODs from the M9-background cultures (23.09.)->it looks like there's no background!!
-spin prep of the dhfr-4calmo over night culture
-SDS gel evaluated and scaned
-corrected peptide-informations...
Do, 27th Sept. 2007
Philipp(14 o´clock)
-measurement of the ODs der M9-Kulturen from 23.9 and 25.09.07;
best growth at 1,6 mM Ca2+ concentration
Mo, 01st Okt. 2007
Philipp(11.00-17.30 o´clock)
-Digestion with KpnI/SpeI, gel running, gel extraktion, determination of the concentration from Calmodulin (Insert) and blac1-winzip-blac2(Vektor)
-new approach of the M9-Ca2+ dilution series
Di, 02nd Okt. 2007
Philipp
-measurement of the ODs of the M9-cultures (01.10.)
Mi, 03rd Okt. 2007
Philipp(16.00-19.00 o´clock)
-more measurements of the ODs from the M9-cultures (01.10.07); clear link between Ca2+-concentration and growth recognized
->"dhfr-4calmo-construct" seems to work!
-Maps for the synthesis for the dhfr1-4calmo4-dhfr2 iGEM-parts created
Do, 04th Okt. 2007
Philipp (12.30-21.30 o´clock)
-Measurements of the OD
-Sequences for the synthesis prepared
...At that point of time we had to leave our -not really finished- lab-work and focus on the theoretical planing and uoploading of our parts and their synthesis by GeneArt...