Additional file 6.
Figure S2. Phylogenetic analysis of putative ammonium transporters in U. linza. The phylogenetic tree was constructed by the neighbor-joining algorithm of the MEGA 4.0 program. A total of 1,000 bootstrap replicates were performed. The prokaryote-like ammonium transporters found in U. linza was showed in red color.
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Zhang et al. BMC Genomics 2012 13:565 doi:10.1186/1471-2164-13-565