Dataset Information

Complete Genome Sequence of Thiohalobacter sp. Strain COW1, Isolated from Activated Sludge Treating Coke Oven Wastewater.

ABSTRACT: A thiocyanate-degrading bacterium, Thiohalobacter sp. strain COW1, was isolated from activated sludge treating coke oven wastewater, and the complete genome sequence was determined. COW1 contained a single circular chromosome (3.23?Mb; G+C content, 63.4%) in which 2,788 protein-coding genes, 39 tRNA genes, and 3 rRNA genes were identified.

SUBMITTER: Miyazaki K

PROVIDER: S-EPMC7892661 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Complete Genome Sequence of <i>Thiohalobacter</i> sp. Strain COW1, Isolated from Activated Sludge Treating Coke Oven Wastewater.

Miyazaki Kentaro K Suenaga Hikaru H Oshiki Mamoru M Kawano Shuichi S Fukushima Toshikazu T

Microbiology resource announcements 20210218 7

A thiocyanate-degrading bacterium, <i>Thiohalobacter</i> sp. strain COW1, was isolated from activated sludge treating coke oven wastewater, and the complete genome sequence was determined. COW1 contained a single circular chromosome (3.23 Mb; G+C content, 63.4%) in which 2,788 protein-coding genes, 39 tRNA genes, and 3 rRNA genes were identified. ...[more]

PMID: 33602728

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Project description:Biological foaming (or biofoaming) is a frequently occurring problem in wastewater treatment plants (WWTPs) and is attributed to the overwhelming growth of filamentous bulking and foaming bacteria (BFB). Biological foaming has been intensively investigated, with BFB like Microthrix and Skermania having been identified from WWTPs and implicated in foaming. Nevertheless, studies are still needed to improve our understanding of the microbial diversity of WWTP biofoams and how microbial activities contribute to foaming. In this study, sludge foaming at the Qinghe WWTP of China was monitored, and sludge foams were investigated using culture-dependent and culture-independent microbiological methods. The foam microbiomes exhibited high abundances of Skermania, Mycobacterium, Flavobacteriales, and Kaistella. A previously unknown bacterium, Candidatus Kaistella beijingensis, was cultivated from foams, its genome was sequenced, and it was phenotypically characterized. Ca. K. beijingensis exhibits hydrophobic cell surfaces, produces extracellular polymeric substances (EPS), and metabolizes lipids. Ca. K. beijingensis abundances were proportional to EPS levels in foams. Several proteins encoded by the Ca. K. beijingensis genome were identified from EPS that was extracted from sludge foams. Ca. K. beijingensis populations accounted for 4 to 6% of the total bacterial populations in sludge foam samples within the Qinghe WWTP, although their abundances were higher in spring than in other seasons. Cooccurrence analysis indicated that Ca. K. beijingensis was not a core node among the WWTP community network, but its abundances were negatively correlated with those of the well-studied BFB Skermania piniformis among cross-season Qinghe WWTP communities. IMPORTANCE Biological foaming, also known as scumming, is a sludge separation problem that has become the subject of major concern for long-term stable activated sludge operation in decades. Biological foaming was considered induced by foaming bacteria. However, the occurrence and deterioration of foaming in many WWTPs are still not completely understood. Cultivation and characterization of the enriched bacteria in foaming are critical to understand their genetic, physiological, phylogenetic, and ecological traits, as well as to improve the understanding of their relationships with foaming and performance of WWTPs.

Dataset Information

Complete Genome Sequence of Thiohalobacter sp. Strain COW1, Isolated from Activated Sludge Treating Coke Oven Wastewater.

Publications

Complete Genome Sequence of <i>Thiohalobacter</i> sp. Strain COW1, Isolated from Activated Sludge Treating Coke Oven Wastewater.

Similar Datasets

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