🦠microbiology review

Phospholipase A

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Phospholipase A is an enzyme that hydrolyzes the sn-2 acyl bond of phospholipids, releasing fatty acids and lysophospholipids. It plays a role in bacterial pathogenesis by disrupting host cell membranes.

5 Must Know Facts For Your Next Test

  1. Phospholipase A is important for the virulence of certain uropathogenic bacteria.
  2. This enzyme disrupts host cell membranes, aiding bacterial invasion and infection.
  3. It can trigger inflammatory responses in the host's urinary tract.
  4. Inhibition of phospholipase A activity can reduce bacterial virulence.
  5. Some bacteria produce multiple types of phospholipase A to enhance their infectious capabilities.

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