| The major glycerophospholipids of the predatory and parasitic bacterium Bdellovibrio bacteriovorus HID5. | |
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MedLine Citation:
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PMID: 18818966 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Bdellovibrio are small motile bacteria that attack and parasitize larger Gram-negative bacteria and since they might have practical applications, these organisms are attracting the attention of researchers as indicated by the sequencing of the B. bacteriovorus genome. There is an earlier report showing that B. bacteriovorus scavenges fatty acids from the host cell during its parasitic phase otherwise the biochemical nature of its lipids, particularly its complex lipids, remains unknown. We here report on the phospholipid classes of an axenically cultured host-independent strain (HID5). Phospholipids and fatty acids were identified by a variety of chromatographic procedures and high-resolution mass spectrometric techniques. Phosphatidylethanolamine was the major phospholipid and phosphatidylserine, cardiolipin, phosphatidylglycerol, and N-acylphosphatidylethanolamine were also identified. The major fatty acids were 16:0, 16:1, 18:1, and 9,10-Mt C16:0 (cyC17:0). Unlike another predatory bacterium, Bacteriovorus stolpii strain UKi2, sphingolipids were not detected in B. bacteriovorus by the procedures used in this study. This is consistent with the apparent lack of genes coding for sphingolipid biosynthesis enzymes in the B. bacteriovorus genome database. The results are consistent with the separation of Bdellovibrio and Bacteriovorus into separate genera. |
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Authors:
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Nhu-An T Nguyen; Larry Sallans; Edna S Kaneshiro |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't Date: 2008-09-26 |
Journal Detail:
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Title: Lipids Volume: 43 ISSN: 0024-4201 ISO Abbreviation: Lipids Publication Date: 2008 Nov |
Date Detail:
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Created Date: 2008-10-30 Completed Date: 2009-03-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0060450 Medline TA: Lipids Country: United States |
Other Details:
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Languages: eng Pagination: 1053-63 Citation Subset: IM |
Affiliation:
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Department of Biological Sciences, University of Cincinnati, Cincinnati, OH 45221, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Bdellovibrio
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metabolism* Cardiolipins / chemistry Genome, Bacterial Glycerophospholipids / chemistry* Mass Spectrometry Phosphatidylglycerols / chemistry Phosphatidylserines / chemistry |
| Grant Support | |
ID/Acronym/Agency:
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R01 AI064084/AI/NIAID NIH HHS; RR019900/RR/NCRR NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Cardiolipins; 0/Glycerophospholipids; 0/Phosphatidylglycerols; 0/Phosphatidylserines |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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