mycobacterias generalidades Flashcards

1
Q

carcaterísticas generales de mycobacterias
* forma
* disposición
* aer/ana
* movil/no movil
* esporas?

A
  • bacilos filamentosos
  • acomodados en cordones
  • aerobios
  • inmóviles
  • no forman esporas
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2
Q

en que es rica la pared celular de mycobacterias?

A

en lípidos

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3
Q

a que tinciones es resistente una mycobacteria?

A

a la mayoria

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4
Q

a que tecnica es + una mycobacteria?

A

BAAR

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5
Q

como crecen las mycobacterias? (tiempo)

A

muy lento
* división cada 12-24 hrs

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6
Q

como se transmiten las mycobacterias?

A

por aerosol

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7
Q

como se dividen las mycobacterias?

A
  • complejo Mycobacteria tuberculosis
  • no tuberculosis
  • leprae y lepromatosis
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8
Q

que contiene la pared cel de mycobacterias?

A

muchos lípidos
* capa gruesa de PPG
* sin membrana externa

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9
Q

como estan los lipoarabinomananos (LAM)?

A
  • anclados en la membrana
  • sobresalen al exterior
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10
Q

como estan los arabinogalactanos?

A
  • anclados a la pared
  • en sus extremos tienen acidos micolicos
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11
Q

proteínas de pared de mycobacterias

A
  • porinas
  • transportadoras
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