Rhodoplanes gen. nov., a New Genus of Phototrophic Bacteria Including Rhodopseudomonas rosea as Rhodoplanes roseus comb. nov. and Rhodoplanes elegans sp. nov.

摘要: Two new strains (AS130 and AS140) of phototrophic purple nonsulfur bacteria isolated from activated sludge were characterized compared with Rhodopseudomonas rosea some other species the genus Rhodopseudomonas. The isolates produced pink photosynthetic cultures, had rod-shaped cells that divided by budding, formed intracytoplasmic membranes lamellar type together bacteriochlorophyll a carotenoids normal spirilloxanthin series. They also their capacity for complete denitrification production both ubiquinone-10 rhodoquinone-10 as major quinones. phenotypically most similar to R. but exhibited low levels genomic DNA hybridization this all compared. Phylogenetic analyses on basis PCR-amplified 16S rRNA gene sequences showed our cluster distinct members phenotypic, genotypic, phylogenetic data show should be placed in single rather than included Thus, we propose transfer genus, Rhodoplanes, Rhodoplanes roseus gen. nov., comb. nov. (type species) designate AS130 AS140 species, elegans sp.