1887

Abstract

The genetic and phylogenetic relationships for strains of and its relatives were compared by an analysis of the results of sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) of whole-cell proteins, DNA-DNA hybridization, and full 16S rRNA gene sequencing. The strains of . formed a cluster which was distinct from those of other species in the clustering analysis of SDS-PAGE. DNA-DNA relatedness between A-1BS (type strain of . ) and the type or reference strains for , . , . , . , and cluster U, an unnamed rhizobial group, ranged from 4.4 to 43.8%. The phylogenetic analysis based on the 16S rRNA gene sequences showed that . was closely related to the phylogenetic branch and could be distinguished from the other four species in this branch. These results further confirmed that these bacteria constitute a distinct rhizobial species.

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1997-07-01
2024-07-15
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