Definition of peptidoglycan in English:


Line breaks: pep¦tido|gly¦can
Pronunciation: /pɛpˌtʌɪdə(ʊ)ˈglʌɪkan


[mass noun] Biochemistry
  • A substance forming the cell walls of many bacteria, consisting of glycosaminoglycan chains interlinked with short peptides.
    More example sentences
    • For instance, the cell walls of all bacteria contain the chemical peptidoglycan.
    • This coincidence suggests that the D-amino acids originated in peptidoglycan of bacterial cell walls.
    • The cell wall, which is relatively porous, consists of many polymer layers of peptidoglycan connected by amino acid bridges.

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