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. 2016 Jul 12;31(3):260–267. doi: 10.1264/jsme2.ME15159

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Copyright © 2016 by Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions.

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4 — Phylogenetic trees by the maximum likelihood method for concatenated nifDK sequences representing all codon positions (A) and representing only the 1st and 2nd codon positions (B). Numbers at the nodes are the percentages of 1,000 bootstrap replications supporting the partition. nifDK on non-symbiotic loci are shaded in gray. Asterisks following the bootstrap values show that the branches are supported by the neighbor-joining method with ≥70% bootstrap values. Strains whose genomic locations of nifDK are unknown are marked with †.