| Preliminary analysis of lipids and fatty acids of green bacteria and Chloroflexus aurantiacus. | |
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MedLine Citation:
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PMID: 4421249 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The complex lipids and fatty acids of the seven type species of green bacteria and three strains of Chloroflexus aurantiacus were analyzed. The green bacteria contained lipids that behaved as cardiolipin and phosphatidylglycerol on thin-layer chromatography. They did not contain phosphatidylethanolamine or phosphatidylserine. Similarly, Chloroflexus contained lipids that behaved as phosphatidylglycerol and phosphatidylinositol on thin-layer chromatography and did not contain phosphatidylethanolamine or phosphatidylserine. The green bacteria contained glycolipids I and II of Constantopoulos and Bloch (monogalactosyldiglyceride and a galactose- and rhamnose-containing diglyceride). Chloroflexus exhibited galactose-containing glycolipids that behaved identically with the mono- and digalactosyldiglycerides of spinach on thin-layer chromatography, and each contained galactose as well as at least one other sugar. The fatty acids of both groups of bacteria consisted entirely of saturated and monounsaturated fatty acids. In the green bacteria, myristic, palmitic, and hexadecenoic acids predominated. In Chloroflexus, palmitic, stearic, and oleic acids predominated. The positions of the double bonds in the monounsaturated fatty acids of Chloroflexus indicated synthesis by the anaerobic pathway. The lipid analyses suggest a close relationship between the green bacteria and Chloroflexus and further suggest that these groups of photosynthetic bacteria are more closely related to the blue-green algae than are the purple bacteria. |
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Authors:
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C N Kenyon; A M Gray |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Journal of bacteriology Volume: 120 ISSN: 0021-9193 ISO Abbreviation: J. Bacteriol. Publication Date: 1974 Oct |
Date Detail:
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Created Date: 1975-01-13 Completed Date: 1975-01-13 Revised Date: 2009-11-18 |
Medline Journal Info:
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Nlm Unique ID: 2985120R Medline TA: J Bacteriol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 131-8 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Algae, Green
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analysis* Anaerobiosis Bacteria / analysis* Chromatography, Thin Layer Diglycerides / analysis Fatty Acids / analysis* Galactose / analysis Glycolipids / analysis Lipids / analysis* Phosphates / analysis Phosphatidylinositols / analysis Phospholipids / analysis Photosynthesis |
| Chemical | |
Reg. No./Substance:
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0/Diglycerides; 0/Fatty Acids; 0/Glycolipids; 0/Lipids; 0/Phosphates; 0/Phosphatidylinositols; 0/Phospholipids; 26566-61-0/Galactose |
| Comments/Corrections | |
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