References
From 2007.igem.org
1.Fungi and animals may share a common ancestor to nuclear receptors Morag MacLean, Richard J. Fagan, and Didier Picard Chris Phelps, Valentina Gburcik, Elena Suslova, Peter Dudek, Fedor Forafonov, Nathalie Bot,Morag MacLean, Richard J. Fagan, and Didier Picard.PNAS 2006;103;7077-7081 2.