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Updated: Feb 28, 2026
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Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
Published on: October 15, 2015
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Thioclava nitratireducens sp. nov., isolated from surface seawater
Yang Liu1,2, Qiliang Lai2, Zongze Shao2,1
1School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, PR China.
Summary
A novel bacterium, Thioclava nitratireducens sp. nov., was discovered in the Bering Sea. This Gram-negative, short-rod bacterium expands the known diversity within the Thioclava genus.
Area of Science:
- Microbiology
- Bacteriology
- Marine Biology
Background:
- The genus Thioclava belongs to the family Rhodobacteraceae.
- Marine environments harbor diverse bacterial communities with unique metabolic capabilities.
Purpose of the Study:
- To isolate and characterize a novel bacterial strain from the Bering Sea.
- To determine the taxonomic placement of the novel strain using a polyphasic approach.
Main Methods:
- Polyphasic taxonomic analysis including 16S rRNA gene sequencing.
- Phylogenetic analysis, DNA G+C content determination, and chemotaxonomic analysis.
- Phenotypic characterization of growth conditions and cellular morphology.
Main Results:
- Strain 25B10_4T, isolated from Bering Sea surface seawater, is a motile, Gram-negative bacterium.
- Phylogenetic analysis placed strain 25B10_4T within the genus Thioclava, distinct from known species.
- Digital DNA-DNA hybridization and ANI values confirmed its status as a novel species, Thioclava nitratireducens sp. nov.
Conclusions:
- Strain 25B10_4T represents a new species, Thioclava nitratireducens, within the genus Thioclava.
- This discovery contributes to the understanding of microbial diversity in Arctic marine ecosystems.
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