单词	teichoic acid
释义	teichoic acid /tʌɪˈkəʊɪk / noun [mass noun] Biochemistry A compound present in the walls of Gram-positive bacteria. It is a polymer of ribitol or glycerol phosphate.The ribitol teichoic acid is usually in the cell wall, and the glycerol teichoic acid is in the cell membrane, the periplasmic region, or in the cell.... Both the teichoic acid and the lipoteichoic acid contain phosphorylcholine; two choline residues may be covalently added to each carbohydrate repeat. Ribitol teichoic acid is an important component of Staphylococcus aureus cell wall. Origin 1950s: teichoic from Greek teikhos 'wall' + -ic.
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