N -Methyl Groups in Bacterial Lipids III. Phospholipids of Hyphomicrobia | Zendy

Howard Goldfine | Zendy; PerOtto Hagen | Zendy

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N -Methyl Groups in Bacterial Lipids III. Phospholipids of Hyphomicrobia

Author(s) -

Howard Goldfine,

PerOtto Hagen

Publication year - 1968

Publication title -

journal of bacteriology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.652

H-Index - 246

eISSN - 1067-8832

pISSN - 0021-9193

DOI - 10.1128/jb.95.2.367-375.1968

Subject(s) - lecithin , phospholipid , phosphatidyl choline , biology , biochemistry , choline , ethanolamine , methionine , glycerol , hydrolysis , thin layer chromatography , phosphatidylethanolamine , chromatography , phosphatidylcholine , chemistry , amino acid , membrane

The phospholipids ofHyphomicrobium vulgare NQ-521 have been separated by preparative thin-layer chromatography and analyzed by paper chromotography of the water-soluble products of acid and mild alkaline hydrolysis. The principal phospholipids are phosphatidyl ethanolamine (23%), phosphatidylN,N ′-dimethylethanolamine (36%), lecithin (29%), and phosphatidyl glycerol (10%). Three other strains ofHyphomicrobium were found to have similar phospholipid compositions. Growing cells incorporated the methyl group of methionine into lipid-boundN,N ′-dimethylethanolamine and choline. Experiments with sonic extracts ofH. vulgare NQ-521 and14 C (methyl)S -adenosylmethionine demonstrated the formation of phosphatidylN -monomethylethanolamine in addition to the dimethylethanolamine and choline phosphatides.

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