e coli Flashcards

1
Q

morfología e coli

A
  • Bacilo gramnegativo
  • Móvil
  • No esporulado
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2
Q

características de e coli

A
  • Fermenta lactosa
  • Catalasa positiva
  • Oxidasa negativa
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3
Q

virulencia e coli

A
  • Fimbrias: adhesión a células epiteliales.
  • Toxinas: causan diarrea y daño celular.
  • Cápsula: protege contra defensas del huésped.
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4
Q

epidemiología e coli

A
  • Transmisión fecal-oral
  • Infecciones urinarias ascendentes
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5
Q

infecciones e coli

A
  • Infecciones urinarias
  • Gastroenteritis (diarrea del viajero)
  • Sepsis neonatal
  • Meningitis neonatal
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6
Q

dx e coli

A
  • Cultivo en agar MacConkey
  • Pruebas bioquímicas
  • Detección de toxinas
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7
Q
A
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