mBio (Jun 2021)

Phase Variation in HMW1A Controls a Phenotypic Switch in Haemophilus influenzae Associated with Pathoadaptation during Persistent Infection

  • Ariadna Fernández-Calvet,
  • Begoña Euba,
  • Celia Gil-Campillo,
  • Arancha Catalan-Moreno,
  • Javier Moleres,
  • Sara Martí,
  • Alexandra Merlos,
  • Jeroen D. Langereis,
  • Francisco García-del Portillo,
  • Lauren O. Bakaletz,
  • Garth D. Ehrlich,
  • Eric A. Porsch,
  • Margarita Menéndez,
  • Joshua C. Mell,
  • Alejandro Toledo-Arana,
  • Junkal Garmendia

DOI
https://doi.org/10.1128/mBio.00789-21
Journal volume & issue
Vol. 12, no. 3

Abstract

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Human-adapted bacterial pathogens have evolved specific mechanisms to colonize their host niche. Phase variation is a contingency strategy to allow adaptation to changing conditions, as phase-variable bacterial loci rapidly and reversibly switch their expression.