Enterobacteria Flashcards

1
Q

Cepa diarreogénico con patogenicidad intracelular

A

ECEI (enteroinvasiva)

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2
Q

Cepas diarreogénicos que afectan el intestino grueso

A

ECEH (enterohemorrágica)

ECEI (enteroinvasiva)

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3
Q

Principal causa de diarrea del viajero

A

ECET

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4
Q

Qual toxina es semajante a la toxina del cólera

A

Toxina termolabil LT-I del ECET

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5
Q

Causa de diarrea grave en población infantil

A

ECEP (enteropatógena)

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6
Q

Causa de diarrea persistente

A

ECEA (enteroagregativa)

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7
Q

Causa del colitis hemorrágica

A

ECEH (enterohemorrágica)

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8
Q

Cepa con toxina semejante a Shiga

A

ECEH (enterohemorrágica)

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9
Q

Cepa que puede causar SHU

A

ECEH (enterohemorragica)

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10
Q

Cepa que parece a Shiga

A

ECEI (enteroinvasiva)

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11
Q

Infecciones extraintestinales por echerichia coli

A

Infeccion de herida, respiratorias, bacteriemia
Meningitis neonatal (antigeno K1)
Infeccion urinaria

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12
Q

Todo lo que sabe sobre ECET

A

Principal causa de diarrea del viajero
fecal-oral
Diarrea acuosa (secretora) +/- vomitos
incubacion 1-2 d, duracion

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13
Q

Todo lo que sabe sobre ECEP

A

diarrea grave en poblacion infantil
Persona-persona
Diarrea acuosa +/- vomitos
Union/borrado -> destrimiento del citoesqueleto con acortamiento y perdida de microvellosidades

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14
Q

Todo lo que sabe sobre ECEA

A

Diarrea persistente
Adhesion a mucosa del colon con formacion de biofilm Liberacion de toxinas y estimulan infiltracion mononuclear - inflamacion intensa con acortamiento de las microvellosidades

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15
Q

Todo lo que sabe sobre ECET

A

0157:H7
Reservorio: GI vacuno
Persona-persona
Diarrea leve -> colitis hemorragica SHU (sindrome hemolitico uremico)

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16
Q

Todo lo que sabe sobre ECEI

A

Similar a shigella
Sangre y leucositos en las heces
Persona-persona
Replicacion en el citoplasma