1887

Abstract

Summary: Lipoteichoic acid (LTA) and deacylated lipoteichoic acid have been isolated from the bovine-rumen Gram-negative anaerobe by phenol extraction. Lipoteichoic acid (21·8 mol phosphorus/g cells) consisted of a conventional 1,3-phosphodiester-linked chain of glycerol phosphate units joined covalently to a glycolipid. It was not substituted with glycosyl or -alanyl ester groups. Deacylated lipoteichoic acid (57·5 mol phosphorus/g cells) was similar in constitution but lacked fatty acid esters. Lipoteichoic acid reacted serologically with antisera to the glycerol phosphate backbone of known lipoteichoic acids. The presence of similar teichoic acid polymers has also been demonstrated in some other strains of and this is of significance in demonstrating that teichoic acids can occur in Gram-negative bacteria.

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/content/journal/micro/10.1099/00221287-94-1-126
1976-05-01
2022-01-22
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