| Acyl phosphatidylglycerol: a major phospholipid of Corynebacterium amycolatum. | |
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MedLine Citation:
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PMID: 9228743 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The type strain and several clinical isolates of Corynebacterium amycolatum were examined for lipid composition as a chemotaxonomic character for routine identification. The phospholipid profile was composed of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and phosphatidylinositol mannosides, together with various unidentified compounds. One of them, accounting for 20-29% of total phospholipids, was purified and characterized as acyl phosphatidylglycerol by chromatographic and spectrometric techniques. The acyl substituents on the phosphatidyl moiety were characterized as tetradecanoyl, pentadecanoyl, hexadecenoyl, hexadecanoyl, heptadecenoyl, heptadecanoyl, octadecenoyl (the major one), and octadecanoyl. The acyl group on the polar head (glycerol) was only octadecenoyl. Phospholipid analysis by thin-layer chromatography of a collection of Corynebacterium strains proved that this compound is widely distributed, although it only represents a minor (2-9%) component among mycolic acid-containing species. Acyl phosphatidylglycerol can be considered as a useful chemical marker for the identification of C. amycolatum in addition to the absence of mycolic acids. |
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Authors:
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G Yagüe; M Segovia; P L Valero-Guillén |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: FEMS microbiology letters Volume: 151 ISSN: 0378-1097 ISO Abbreviation: FEMS Microbiol. Lett. Publication Date: 1997 Jun |
Date Detail:
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Created Date: 1997-08-07 Completed Date: 1997-08-07 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7705721 Medline TA: FEMS Microbiol Lett Country: NETHERLANDS |
Other Details:
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Languages: eng Pagination: 125-30 Citation Subset: IM |
Affiliation:
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Departamento de Genética y Microbiologia, Facultad de Medicina, Universidad de Murcia, Spain. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Corynebacterium
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chemistry* Magnetic Resonance Spectroscopy Mass Spectrometry Phosphatidylglycerols / analysis* |
| Chemical | |
Reg. No./Substance:
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0/Phosphatidylglycerols |
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