Olga Zhaxybayeva, Kristen S. Swithers, Pascal Lapierre, Gregory P. Fournier, Derek M. Bickhart, Robert T. DeBoy, Karen E. Nelson, Camilla L. Nesbø, W. Ford Doolittle, J. Peter Gogarten, Kenneth M. Noll
Proc Natl Acad Sci U S A. 2009 April 7; 106(14): 5865–5870. Published online 2009 March 23. doi: 10.1073/pnas.0901260106