ArticleWorld journal of microbiology & biotechnology2015
Characteristics of the cultivable bacteria from sediments associated with two deep-sea hydrothermal vents in Okinawa Trough.
Article in World journal of microbiology & biotechnology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 19 citations in OpenAlex.
- Perturbations in Microbial Communities at Hydrothermal Vents of Panarea Island (Aeolian Islands, Italy).Biology · 2025Article
- Characterization of the pathogenicity of aVirulence · 2022Article
- A virulentVirulence · 2021Article
- Characterization of a Deep SeaFrontiers in cellular and infection microbiology · 2021Article
- Characterization and Diversity Analysis of the Extracellular Proteases of ThermophilicFrontiers in microbiology · 2021Article
- A First Study of the Virulence Potential of aFrontiers in cellular and infection microbiology · 2019Article
- Characterization of the Genome Feature and Toxic Capacity of aFrontiers in cellular and infection microbiology · 2019Article
- Comparative metagenomics reveals insights into the deep-sea adaptation mechanism of the microorganisms in Iheya hydrothermal fields.World journal of microbiology & biotechnology · 2017Article
- Article
- Optimization of Lipase production from a novel strain Thalassospira permensis M35-15 using Response Surface Methodology.Bioengineered · 2016Article
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3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
In this study, different culture-dependent methods were used to examine the cultivable heterotrophic bacteria in the sediments associated with two deep-sea hydrothermal vents (named HV1 and HV2) located at Iheya Ridge and Iheya North in Okinawa Trough. The two vents differed in morphology, with HV1 exhibiting diffuse flows while HV2 being a black smoker with a chimney-like structure. A total of 213 isolates were identified by near full-length 16S rRNA gene sequence analysis. Of these isolates, 128 were from HV1 and 85 were from HV2. The bacterial community structures were, in large parts, similar between HV1 and HV2. Nevertheless, differences between HV1 and HV2 were observed in one phylum, one class, 4 orders, 10 families, and 20 genera. Bioactivity analysis revealed that 25 isolates belonging to 9 different genera exhibited extracellular protease activities, 21 isolates from 11 genera exhibited extracellular lipase activities, and 13 isolates of 8 genera displayed antimicrobial activities. This is the first observation of a large population of bacteria with extracellular bioactivities existing in deep-sea hydrothermal vents. Taken together, the results of this study provide new insights into the characteristics of the cultivable heterotrophic bacteria in deep-sea hydrothermal ecosystems.
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