| Diversity and Function of Epibiotic Microbial Communities on the Galatheid Crab, Shinkaia crosnieri. | |
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MedLine Citation:
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PMID: 21576884 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The galatheid crab, Shinkaia crosnieri (Decapoda: Galatheidae), forms dense colonies in the Iheya North and Hatoma Knoll deep-sea hydrothermal fields and has numerous setae covered with filamentous epibiotic microorganisms. Molecular phylogenetic analyses revealed that the epibiotic communities in S. crosnieri consisted mainly of yet-uncultivated phylotypes within Epsilonproteobacteria and Gammaproteobacteria in both hydrothermal vent fields. Uptake experiments using (13)C-labeled tracers clearly demonstrated that both H(13)CO(3)(-) and (13)CH(4) were assimilated into not only the epibiotic microbial communities associated with the setae, but also the epibiont-free tissue of living S. crosnieri. In addition, the incorporation of H(13)CO(3)(-) into the microbial cells was strongly stimulated by the presence of reduced sulfur compounds but not by H(2). In conclusion, the uptake experiments suggested that sulfur-oxidizing chemolithoautotrophic and methanotrophic production by the epibionts provides the nutrition for S. crosnieri. |
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Authors:
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Tomo-O Watsuji; Satoshi Nakagawa; Shinji Tsuchida; Tomohiro Toki; Akinari Hirota; Urumu Tsunogai; Ken Takai |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Microbes and environments / JSME Volume: 25 ISSN: 1347-4405 ISO Abbreviation: Microbes Environ. Publication Date: 2010 |
Date Detail:
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Created Date: 2011-05-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9710937 Medline TA: Microbes Environ Country: Japan |
Other Details:
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Languages: eng Pagination: 288-94 Citation Subset: IM |
Affiliation:
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Subsurface Geobiology Advanced Research Team (SUGAR), Extremobiosphere Research Program (XBR). |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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