Staphylococcus Flashcards

1
Q

Medio de cultivo que solo permite el crecimiento de tipos de staphylococcus

A

CROM AGAR

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2
Q

Al microscopio se ven

A

Acomodadas en racimos, circulares, moradas (Gram positivos)

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3
Q

Son (aerobios o no)

A

Aerobios (o anaerobios facultativos)

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4
Q

Son positivos a

A

catalasa y coagulasa

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5
Q

Tolerantes a

A

Altas concentraciones de sal

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6
Q

La prueba de la catalasa nos ayuda a distinguir entre

A

streptococcus (negativa) y staphylococcus (positiva)

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7
Q

La prueba catalasa positiva

A

Nuestras células crean peroxisomas para atacar a la bacteria y las bacterias catalasas positivas hidrolizan el peróxido de hidrogeno en agua y oxígeno (burbujea)

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8
Q

La prueba de la coagulasa

A

Con suero humano, si crea coágulos es coagulasa positiva ya que convierte el fibrinógeno a fibrina

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9
Q

Staphylococcus coagulasa negativos*

A

Microbiota de la piel.
Poco patogénicas.
Oportunistas.

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