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Colorless sulfur bacteria |
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| Authors: | T. I. Zemskaya S. M. Chernitsyna N. M. Dul’tseva V. N. Sergeeva T. V. Pogodaeva B. B. Namsaraev |
| Affiliation: | (1) Limnological Institute, Siberian Branch, Russian Academy of Sciences, Ulan-Batorskaya St., 3, Irkutsk, 664033, Russia;(2) Winogradsky Institute of Microbiology, Russian Academy of Sciences, pr. 60-letiya Oktyabrya, 7/2, Moscow, 117312, Russia;(3) Institute of General and Experimental Biology, Siberian Branch, Russian Academy of Sciences, Sakh’anovoi st., 6, Ulan-Ude, 670047, Russia |
| Abstract: | The colorless sulfur bacteria Thioploca spp. found in Lake Baikal are probably a marker for the influx of subterranean mineralized fluids. Bacteria act as a biological filter; by consuming sulfide in their metabolism, they detoxicate it and maintain the purity of Lake Baikal’s water. The bacteria were investigated by various techniques. According to analysis of the 16S rRNA gene fragment, Thioploca sp. from Frolikha Bay, Baikal belongs to the clade of freshwater species found in Lake Biwa and Lake Constance; it is most closely related to Thioploca ingrica. |
| Keywords: | Thioploca Lake Baikal bottom sediments colorless sulfur bacteria phylogeny |
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