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FEMS Microbiol Lett. 1993 Feb 15;107(1):115-20.

Phylogenetic analysis of the family Rhizobiaceae and related bacteria by sequencing of 16S rRNA gene using PCR and DNA sequencer.

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Institute of Applied Microbiology, University of Tokyo, Japan.


The 16S rRNA gene sequences of 19 strains covering 97% of the molecules were determined for the members of the family Rhizobiaceae and related bacteria by PCR and DNA sequencer. The three biovars of Agrobacterium were located separately, whereas Agrobacterium rubi clustered with A. tumefaciens. Phylogenetic locations for the species of the genera Rhizobium, Sinorhizobium, Agrobacterium, Phylobacterium, Mycoplana (M. dimorpha), Ochrobactrum, Brucella and Rochalimaea (a rickettsia) were intermingled with each other with the similarity values higher than 92%. The family Rhizobiaceae should be redefined including the above-mentioned genera despite the ability for plant association and nitrogen fixation. Bradyrhizobium japonicum and Mycoplana bullata were far remote from the other species and should be excluded from this family.

[Indexed for MEDLINE]

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