18. BACILOS GRAM+ FORMADORES DE ESPORAS Flashcards

1
Q

Movilidad

A

Algunos son móviles: flagelos peritricos

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2
Q

Presencia de cápsula

A

Muchos de ellos

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3
Q

Metabolismo de O2

A

Aerobios o anaerobios facultativos

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4
Q

Metabolismo general

A

Oxidasa neg: no citocromo C
- Catalasa pos

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5
Q

Velocidad de crecimiento

A

Rápido

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6
Q

Utilidad de Bacillus Polymyxa

A

Produce el AB polimixina

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7
Q

Utilidad de Bacillus Subtilis

A

Produce el AB bacitracina

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8
Q

Utilidad

A

Uso agrícola: algún especies producen insecticidas

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9
Q

Especies relevantes en la clínica y qué producen

A
  • B. Anthracis: carbunco cutáneo, intestinal o respiratorio
  • B. Cereus: intoxicaciones y toxiinfecciones alimentaria
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10
Q

Qué genera el género B. Thuringiensis y otras especies

A

Una proteína cristalizada al formar esporas: cristal paraesporal (enterotoxina = Toxinas cry)

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11
Q

Tipos de patógeno

A

Pueden ser obligados u oportunistas

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12
Q

Tinción endoesporas

A

Schaeffer-Fulton: verde malaquita-safranina

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13
Q

Qué forma el cristal paraesporal

A

Proteínas y endospora

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14
Q

Qué parte de las bacterias tiene utilidad insecticida

A

Las proteínas cristalizadas

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