Dataset Information

Whole-Genome Sequence of Sediminibacterium sp. Strain TEGAF015, Isolated from a Shallow Eutrophic Freshwater Lake in Japan.

ABSTRACT: The genus Sediminibacterium comprises bacteria representing the ubiquitous taxa of freshwater bacterioplankton. Here, we report the whole-genome sequence of Sediminibacterium sp. strain TEGAF015, isolated from a shallow eutrophic freshwater lake in Japan.

SUBMITTER: Ogata Y

PROVIDER: S-EPMC9671011 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Whole-Genome Sequence of Sediminibacterium sp. Strain TEGAF015, Isolated from a Shallow Eutrophic Freshwater Lake in Japan.

Ogata Yusuke Y Watanabe Keiji K Takemine Shusuke S Shindo Chie C Kurokawa Rina R Suda Wataru W

Microbiology resource announcements 20221017 11

The genus Sediminibacterium comprises bacteria representing the ubiquitous taxa of freshwater bacterioplankton. Here, we report the whole-genome sequence of Sediminibacterium sp. strain TEGAF015, isolated from a shallow eutrophic freshwater lake in Japan. ...[more]

PMID: 36250893

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Project description:IntroductionAs the largest shallow freshwater lake in the North China Plain, Baiyangdian lake is essential for maintaining ecosystem functioning in this highly populated region. Sediments are considered to record the impacts of human activities.MethodsThe abundance, diversity and metabolic pathways of microbial communities in sediments were studied by metagenomic approach to reveal patterns and mechanism of C, N, P and S cycling under the threat of lake eutrophication.ResultsMany genera, with plural genes encoding key enzymes involved in genes, belonging to Proteobacteria and Actinobacteria which were the most main phylum in bacterial community of Baiyangdian sediment were involved in C, N, S, P cycling processes, such as Nocardioides (Actinobacteria), Thiobacillus, Nitrosomonas, Rhodoplanes and Sulfuricaulis (Proteobacteria).For instance, the abundance of Nocardioides were positively correlated to TN, EC, SOC and N/P ratio in pathways of phytase, regulation of phosphate starvation, dissimilatory sulfate reduction and oxidation, assimilatory sulfate reduction, assimilatory nitrate reduction and reductive tricarboxylic acid (rTCA) cycle. Many key genes in C, N, P, S cycling were closely related to the reductive citrate cycle. A complete while weaker sulfur cycle between SO4 2- and HS- might occur in Baiyangdian lake sediments compared to C fixation and N cycling. In addition, dissimilatory nitrate reduction to ammonia was determined to co-occur with denitrification. Methanogenesis was the main pathway of methane metabolism and the reductive citrate cycle was accounted for the highest proportion of C fixation processes. The abundance of pathways of assimilatory nitrate reduction, denitrification and dissimilatory nitrate reduction of nitrogen cycling in sediments with higher TN content was higher than those with lower TN content. Besides, Nocardioides with plural genes encoding key enzymes involved in nasAB and nirBD gene were involved in these pathways.DiscussionNocardioides involved in the processes of assimilatory nitrate reduction, denitrification and dissimilatory nitrate reduction of nitrogen cycling may have important effects on nitrogen transformation.

Dataset Information

Whole-Genome Sequence of Sediminibacterium sp. Strain TEGAF015, Isolated from a Shallow Eutrophic Freshwater Lake in Japan.

Publications

Whole-Genome Sequence of <i>Sediminibacterium</i> sp. Strain TEGAF015, Isolated from a Shallow Eutrophic Freshwater Lake in Japan.

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