Studies on the Group F Antigen of Lactobacilli: Isolation of a Teichoic Acid-Lipid Complex from Lactobacillus fermentinctc 6991 Wicken, A. J. and Knox, K. W.,, 60, 293-301 (1970), doi = https://doi.org/10.1099/00221287-60-3-293, publicationName = Microbiology Society, issn = 1350-0872, abstract= SUMMARY: Membrane glycerol teichoic acid has been extracted from Lactobacillus fermenti NCTC 6991 by two different procedures. Phenol extraction gave a complex of teichoic acid with glycolipid and phospholipid (lipoteichoic acid). Trichloracetic acid extraction resulted in degraded lipoteichoic acid and free teichoic acid chains. The teichoic acid is a 1:3 phosphodiester linked glycerophosphate polymer substituted with D-alanine, D-galactose and a disaccharide of D-galactose and D-glucose. The significance of lipoteichoic acid as a membrane constituent is discussed., language=, type=