Bacterias entericas Flashcards

1
Q

Caracteristicas generales

A
  1. Forman parte de la microbiota intestinal
  2. principal causa de infecciones asociadas a cuidados de la salud
  3. causan IVUs, gastroenteritis bacterianas
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2
Q

Que bacterias entericas no forman parte de la microbiota intestinal

A

Salmonella
Shigella
Yersinia

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3
Q

Caracteristicas microbiologicas

A

Forma de caja
Bacilos gram-
Fermentadores de lactasa
Oxidasa negativos
LPS de la pared -> LIPIDO A

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4
Q

Cultivo de las entericas

A

Agar MacConkey
Algunas son fermentadoras de lactasa
-> colonias rosa: fermentadoras
-> colonias amarillas: no fermentadoras

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5
Q

Determinantes de virulencia de las entericas

A

Endotoxina LPS
Dispositivo de secreción tipo 3

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