The sulfate-reducing bacterial community of sulfide-rich water of the Ust’-Kachka resort spring, Perm Krai, RussIaстатья
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:Microbiological investigation of the highly mineralized, sulfide-rich cold spring of the Ust’-Kachka resort was carried out. The total number and biomass of microbial cells were 50000 cell/mL and 15 µg/L, respectively. While the total microbial number was low, the sulfate reduction rate determined by the radioisotope method was relatively high (0.575 mg S L–1 day–1). An enrichment culture was obtained on Widdel medium. According to the results of cloning the 16S rRNA gene fragments with subsequent restriction analysis, the dominant organisms were group 6 sulfate-reducing bacteria (Desulfovibrio–Desulfomicrobium) and
the microorganism exhibiting 99% similarity to the anaerobic haloalkaliphilic bacterium Halanaerobium hydrogeniformans.