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  • Title: Cell wall teichoic acids of actinomycetes of three genera of the order actinomycetales.
    Author: Streshinskaya GM, Shashkov AS, Usov AI, Evtushenko LI, Naumova IB.
    Journal: Biochemistry (Mosc); 2002 Jul; 67(7):778-85. PubMed ID: 12139476.
    Abstract:
    The structures of cell wall teichoic acids of the members of newly recognized genera of the order Actinomycetales were studied. Planotetraspora mira VKM Ac-2000T contains two types of teichoic acids: 2,3-poly(glycerol phosphate) substituted with alpha-D-Galp at C-1 of glycerol and 1,3-poly(glycerol phosphate) substituted with alpha-L-Rhap at OH-2 of glycerol (60%). Herbidospora cretacea VKM Ac-1997T contains the chains of 1,3-poly(glycerol phosphate) partially substituted with alpha-D-Galp and alpha-D-GalpNAc at C-2 of glycerol. The majority of alpha-D-galactopyranosyl residues are substituted at OH-3 with a sulfate. The aforementioned teichoic acids have not been found in bacteria thus far. Actinocorallia herbida VKM Ac-1994T contains poly(galactosylglycerol phosphate), with the beta-Galp-(1-->2)-Gro-P repeating units being linked via the phosphodiester bonds between the OH-3 of glycerol and OH-6 of galactose. Earlier, this structure was found in the cell wall of Actinomadura madura. The polymer structures were determined by chemical analysis and using 13C-NMR spectroscopy. The results show that teichoic acids are widespread in the order Actinomycetales.
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