| roseicyclus mahoneyensis gen. nov., sp. nov., an aerobic phototrophic bacterium isolated from a meromictic lake. | eight strains of gram-negative bacteria able to form ring-like cells were isolated from mahoney lake, a meromictic lake in south-central british columbia, canada. all strains were pink-purple and contained bacteriochlorophyll a incorporated into the light-harvesting 1 and 2 and reaction-centre pigment-protein complexes. growth did not occur anaerobically under illuminated conditions; these strains were obligately aerobic, prompting their designation as members of the aerobic phototrophic bacteri ... | 2005 | 16014488 |