Estructura Bacteriana Flashcards

1
Q

Proteína FtsZ

A

Equivalente a tubulina
Forma anillo septal o tabique que permite el termino de la división por bipartición

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2
Q

Proteína MreB

A

Equivalente a la actina
Permite elongación previa a la división

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3
Q

Proteína MinD

A

Ayuda a FtsZ a ubicarse

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4
Q

Crescentina

A

Equivalente a los filamentos intermedios
Induce curvatura de células espiraladas

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5
Q

LPS
Lípido A

A

En membrana externa de Gram (-)
2 n-acetilglucosaminas fosforiIadas unidas a 6 o 7 cadenas de AG
Endotoxina

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6
Q

LPS
Núcleo

A

Conecta lípido A con antígeno O
Formado por KDO, heptosa, glucosa y glucosamina

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7
Q

LPS
Antígeno O

A

Específico para cada especie de bacteria Gram (-)
3 a 5 monosacaridos repetidos hasta 40 veces
Capacidad de generar anticuerpos

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8
Q

Gram +

A

Color azul

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9
Q

Gram -

A

Color rojizo

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10
Q

Micobacterias

A

No se clasifican en Gram, porque tienen pared bacteriana distinta

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11
Q

Propiedades biológicas de las esporas

A
  • Hipometabolismo
  • resistentes al calor
  • resistententes a luz uv
  • resistentes a agentes químicos
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