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Ecología humana > Vibrios > Flashcards

Vibrios Flashcards

1
Q

Vibrios

Características

A

Bacilos curveados gramnegativos
Fermentadores
Móviles
No esporas

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2
Q

Tinción de Gram de vibrios

A

Gram negativo

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3
Q

Prueba de oxidasa de vibrios

A

Oxidasa positiva

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4
Q

Prueba de ctalasa de vibrios

A

Catalasa positivo

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5
Q

Respiración de vibrios

A

Anaerobios facultativo

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6
Q

Los vibrios son halofilos

A

SI

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7
Q

Estructua de vibrios

A

Un falgelo polar
Varios pili
Plasmidos
LPS
algunas cepas con cápsula de polisacáridos

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8
Q

Cepas patogenas de V.cholereae

A

O1 y O139

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9
Q

Factores de virulencia de V.cholerae

A

Toxina colérica
Pilus corregulado por la toxina TCP
Proteína quimiotáctica
Enterotoxina colérica accesoria
Toxina de la zónula oclusiva
Neuraminidasa

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10
Q

Enfermedades de V.cholerae

A

Colera y gastroenteritis

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11
Q

Colera por V.cholerae

A

Diarrea acuosa, vómitos de comienzo agudo, deshidratación grave
Shock hipovolémico

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12
Q

Factores de virulencia de V.parahemolyticus

A

Hemolisina de Kanagawa: Enterotoxina que induce secreción de ion cloruro , causa gastroenteritis

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13
Q

Enfermedades de V.parahemolyticus

A

Gastroenteritis e infección de heridas

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14
Q

Factores de virulencia de V.vulnificus

A

Cápsula de polisacáridos
Citolisinas, proteasas y colagenasas (adherencia y necrosis tisular)

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15
Q

Enfermedaades por V.vulnificus

A

Infecciones de heridas
Septicemia

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16
Q

Tratamiento de coelra

A

Reposición de liquidos
Dosis unica de azitromicina
Dosis unica de doxiciclina o ciprofloxacino si se comprueba in vitro

17
Q

Tratamiento para gastroenteritis por V.parahemlyticus

A

Reposición de liquidos
Dosis unica de azitromicina
Dosis unica de doxiciclina o ciprofloxacino si se comprueba in vitro

18
Q

Tratamiento para V.vulnificus

A

Combinación de minociclina o doxiciclina con ceftriaxona o cefotaxima

19
Q

Subunidades de toxica colerica

A

CtxA y CtxB

Ecología humana (34 decks)

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