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peptidoglycan

American  
[pep-tuh-doh-glahy-kan] / ˌpɛp tə doʊˈglaɪˌkæn /

noun

  • peptidoglycans
    plural
  1. a polymer found in the cell walls of bacteria, composed of glycans and peptide chains.


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If any one of them fails, peptidoglycan cannot be produced and the bacterium dies, making them promising drug targets.

From Science Daily Feb. 28, 2026

Breaking out requires getting through the peptidoglycan layer.

From Science Daily Feb. 28, 2026

Three essential proteins drive the movement of peptidoglycan building blocks across the bacterial inner membrane: MraY, MurG, and MurJ.

From Science Daily Feb. 28, 2026

Gram-positive bacteria have a single cell wall formed from peptidoglycan.

From Textbooks Apr. 25, 2013

Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.

From Textbooks Apr. 25, 2013

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