Additional file 1.NanA NJ tree. The figure shows a phylogenetic tree of NanA using Neighbor Joining as a tree building method. Format: PDF Size: 8KB Download file This file can be viewed with: Adobe Acrobat Reader Almagro-Moreno and Boyd BMC Evolutionary Biology 2009 9:118 doi:10.1186/1471-2148-9-118 |