Definition of teichoic acid in English:

teichoic acid


mass nounBiochemistry
  • A compound present in the walls of Gram-positive bacteria. It is a polymer of ribitol or glycerol phosphate.

    • ‘Both the teichoic acid and the lipoteichoic acid contain phosphorylcholine; two choline residues may be covalently added to each carbohydrate repeat.’
    • ‘In addition novel DNA, proteins and peptides from genes and proteins associated with bacterial teichoic acid biosynthetic pathways, specifically the rodC gene and proteins and variations thereof are disclosed.’
    • ‘Ribitol teichoic acid is an important component of Staphylococcus aureus cell wall.’
    • ‘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.’


1950s: teichoic from Greek teikhos ‘wall’ + -ic.


teichoic acid