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Fig. 3 | BMC Genomics

Fig. 3

From: Genome-wide survey of two-component signal transduction systems in the plant growth-promoting bacterium Azospirillum

Fig. 3

Evolutionary origin of 49 A. lipoferum 4B HyHKs. The phylogenetic tree showed the maximum likelihood relationships among the 49 transmitter domains (49 sequences, 265 positions). Numbers at branch correspond to SH-like supports calculated with PHYML (for clarity values lesser than 0.90 are not shown). The scale bar indicates the average number of substitution per site. The colored squares indicate the presence of orthologous transmitter (HK) and REC domains in Azospirillum sp. B510 (blue), A. brasilense CBG497 (light green) and A. brasilense Sp245 (dark green). According to phylogenetic analyses, the probable origin of the A. lipoferum 4B HyHK is indicated (red, horizontal gene transfer; purple, gene duplication)

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BMC Genomics

ISSN: 1471-2164

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