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Micro > STAPHYLOCOCCUS AUREUS > Flashcards

STAPHYLOCOCCUS AUREUS Flashcards

1
Q

Metabolismo

A

Anaerobio facultativo

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2
Q

Gram

A

Positivo

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3
Q

Movimiento

A

Sin movimiento

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4
Q

Esporulación

A

No forma esporas

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5
Q

Cápsula

A

Carece de cápsula o es incompleta

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6
Q

Catalasa

A

Positivo

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7
Q

Coagulasa

A

Positivo

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8
Q

Superantígeno

A

TSST-1 (Toxina estafilocócica de coque tóxico): liberación masiva de citocinas y activa 20% de linfocitos T

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9
Q

Toxinas y virulencia

A
  1. Proteína A
  2. B- lactamasa
  3. Hemolisina: alfa, beta, gama (leucocidina de panton valentine) y delta
  4. Toxinas exfoliativas: ETA, ETB
  5. Enterotoxinas: 15 enterotoxinas termoestables (dan enfermedad diarreica y GI generales)
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10
Q

Enfermedades invasivas

A
  • Impétigo
  • Celulitis
  • Foliculitis
  • Forúnculos
  • Antrax
  • Absceso renal
  • Absceso cerebral
  • Endocarditis
  • Neumonía
  • Artritis séptica
  • Osteomielitis
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11
Q

¿Dónde crece?

A

Alimentos concentrados en sales

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12
Q

Resistencia a antibióticos

A

Alta

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Micro (13 decks)

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