🔬 Discovery

DNA gyrase

ADN girasa

Date
1976 · confidence high
Place
Bethesda, Maryland, United States
Credited to
Martin Gellert
Field
Life & health

What was discovered

A bacterial enzyme discovered by Martin Gellert that introduces negative supercoiling into circular DNA using ATP, and which is the target of antibiotics such as quinolones.

What it led to

  • Development of quinolone and fluoroquinolone antibiotics
  • Understanding of DNA supercoiling during replication
  • Identification of related gyrases in apicoplasts and chloroplasts
  • A drug target in antimalarial research
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Sources✓ verified 2026-09-28