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Keywords:

  • Serratia liquefaciens;
  • Exoenzyme;
  • Flagella;
  • Surface motility;
  • Quorum sensing

Abstract

Serratia liquefaciens secretes a broad spectrum of hydrolytic enzymes to the surrounding medium and possesses the ability to differentiate into specialized swarmer cells capable of rapid surface motility. Control of exoenzyme production and swarming motility is governed by similar regulatory components, including a quorum-sensing mechanism and the flagellar master operon flhDC.