| Halomonas profundus sp. nov., a new PHA-producing bacterium isolated from a deep-sea hydrothermal vent shrimp. | |
MedLine Citation:
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PMID: 18179545 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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AIMS: The objective of the present work was to describe a new deep-sea, aerobic, mesophilic and heterotrophic bacterium, referenced as strain AT1214, able to produce polyhydroxyalkanoates (PHAs) under laboratory conditions. This bacterium was isolated from a shrimp collected nearby a hydrothermal vent located on the Mid-Atlantic Ridge. METHODS AND RESULTS: This micro-organism, on the basis of the phenotypical features and genotypic investigations, can be clearly assigned to the Halomonas genus and the name of Halomonas profundus is proposed. Optimal growth occurred between 32 and 37 degrees C at a pH between 8 and 9 and at ionic strength between 20 and 30 g l(-1) of sea salts. The G + C content of DNA was 58.6%. This bacterium produced PHAs of poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) from different carbon sources. CONCLUSIONS: The bacterium H. profundus produces PHA of 3HB and 3HV monomers from different carbon sources. SIGNIFICANCE AND IMPACT OF THE STUDY: PHAs share physical and material properties that suggest them for application in various areas, and are considered as an alternative to nonbiodegradable plastics produced from fossil oils. In this study, we describe a new bacteria isolated from a deep-sea hydrothermal vent with the capability to produce polyesters of biotechnological interest. |
Authors:
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C Simon-Colin; G Raguénès; J Cozien; J G Guezennec |
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Publication Detail:
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Type: Journal Article Date: 2007-12-20 |
Journal Detail:
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Title: Journal of applied microbiology Volume: 104 ISSN: 1365-2672 ISO Abbreviation: J. Appl. Microbiol. Publication Date: 2008 May |
Date Detail:
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Created Date: 2008-04-16 Completed Date: 2008-09-02 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 9706280 Medline TA: J Appl Microbiol Country: England |
Other Details:
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Languages: eng Pagination: 1425-32 Citation Subset: IM |
Affiliation:
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Institut Français de Recherche pour l'Exploitation de la Mer, Centre de Brest, BIOMAR/BMM, Plouzané, France. christelle.simon.colin@ifremer.fr |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Bacterial Typing Techniques Decapoda (Crustacea) / microbiology* Gas Chromatography-Mass Spectrometry / methods Halomonas / isolation & purification*, physiology, ultrastructure Hot Temperature Hydrogen-Ion Concentration Industrial Microbiology* Magnetic Resonance Spectroscopy Microscopy, Electron, Transmission Polyhydroxyalkanoates / biosynthesis, chemistry Seawater Spectroscopy, Fourier Transform Infrared |
| Chemical | |
Reg. No./Substance:
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0/Polyhydroxyalkanoates |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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