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. 2005 Mar;71(3):1328–1335. doi: 10.1128/AEM.71.3.1328-1335.2005

FIG. 1.

FIG. 1.

Unrooted neighbor-joining trees based on single-gene sequences from 12 species representing five genera (Agrobacterium, Brucella, Mesorhizobium, Rhizobium, and Sinorhizobium) within the order Rhizobiales. Percentage bootstrap support at each internal node is based on 1,000 replicate trees. (A) 16S rRNA nucleotide sequence tree. The total alignment length for the analysis was 1,401 bp. Positions with gaps were omitted, and the Kimura two-parameter distance correction was applied. (B) dnaK nucleotide sequence tree. The total alignment length for the analysis was 1,917 bp. Positions with gaps were omitted, and the Kimura two-parameter distance correction was applied. (C) Inferred DnaK amino acid sequence tree. The total alignment included 642 amino acid residues. Positions with gaps were omitted, and rates of amino acid substitution were assumed to follow a Poisson distribution.