| Membrane vesicles, nanopods and/or nanotubes produced by hyperthermophilic archaea of the genus Thermococcus. | |
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MedLine Citation:
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PMID: 23356325 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Thermococcus species produce MVs (membrane vesicles) into their culture medium. These MVs are formed by a budding process from the cell envelope, similar to ectosome formation in eukaryotic cells. The major protein present in MVs of Thermococci is a peptide-binding receptor of the OppA (oligopeptide-binding protein A) family. In addition, some of them contain a homologue of stomatin, a universal membrane protein involved in vesiculation. MVs produced by Thermococcus species can recruit endogenous or exogenous plasmids and plasmid transfer through MVs has been demonstrated in Thermococcus kodakaraensis. MVs are frequently secreted in clusters surrounded by S-layer, producing either big protuberances (nanosphere) or tubular structures (nanotubes). Thermococcus gammatolerans and T. kodakaraensis produce nanotubes containing strings of MVs, resembling the recently described nanopods in bacteria, whereas Thermococcus sp. 5-4 produces filaments whose internal membrane is continuous. These nanotubes can bridge neighbouring cells, forming cellular networks somehow resembling nanotubes recently observed in Firmicutes. As suggested for bacteria, archaeal nanopods and/or nanotubes could be used to expand the metabolic sphere around cells and/or to promote intercellular communication. |
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Authors:
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Evelyne Marguet; Marie Gaudin; Emilie Gauliard; Isabelle Fourquaux; Stephane le Blond du Plouy; Ikuo Matsui; Patrick Forterre |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Biochemical Society transactions Volume: 41 ISSN: 1470-8752 ISO Abbreviation: Biochem. Soc. Trans. Publication Date: 2013 Feb |
Date Detail:
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Created Date: 2013-01-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7506897 Medline TA: Biochem Soc Trans Country: England |
Other Details:
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Languages: eng Pagination: 436-42 Citation Subset: IM |
Affiliation:
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*Institut de Génétique et Microbiologie, Université Paris-Sud, CNRS UMR8621, 91405 Orsay Cedex, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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