Sulfur-oxidizing bacteria in Soap Lake (Washington State), a meromictic, Haloalkaline Lake with an unprecedented high sulfide content

Article Abstract:

Culture-dependent and -independent methods are used to analyze the diversity of chemolithoautotrophic sulfur-oxidizing bacteria in Soap Lake, Washington State, a meromictic, haloalkaline lake containing an unprecedentedly high sulfide concentration in the anoxic monimolimnion. These methods have shown the dominance of bacteria belonging to the genus Thioalkalimicrobium, which are common inhabitants of soda lakes.

Washington, Biological diversity, Biodiversity, Sulfur bacteria, Lake ecology, Sulphur bacteria, Report

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rRNA and poly-beta-hydroxybutyrate dynamics in bioreactors subjected o feast and famine cycles

Article Abstract:

Feast and famine cycles are common in activated sludge wastewater treatment systems, and they select for bacteria that accumulate storage compounds, such as poly-beta-hydroxybutyrate (PHB). The results demonstrate that the ability to accumulate PHB makes the bacteria more responsive to sudden increases in substrate concentrations, which explains their ecological advantage.

Sewage Systems, Sewage Treatment Facilities, Administration of Air and Water Resource and Solid Waste Management Programs, Sewerage systems, Sewer Programs, Sewer systems, Sewage, Ribosomal RNA, Sewage treatment

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