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Bacteriology > Nocardia > Flashcards

Nocardia Flashcards

1
Q

Habitat

A

Soil

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2
Q

Morphology

A

Rods, long, branched filaments, cell wall; mycolic acid, not as much lipids and wax as mycobacterium, but some

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3
Q

Staining

A
  • Gram positive
  • Irregular staining; cell wall mycolic acid, some wax and lipids
  • Slightly acid fast, because mycolic acids. Slight acid resistant
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4
Q

Culture

A
  • Obligate aerobic
  • Carotenoid pigment is produced (yellow, red, pink)
  • Aerial filaments
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5
Q

Replication

A

Fragmentation of filaments

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6
Q

Pathogenicity general

A
  • Facultative pathogens

* Local lesions on skin and under skin usually

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7
Q

Pathogenicity N. Asteroides

A
  • Cattle ; chronic suppuration, skin, subcutaneous lesions, mastitis
  • Dog ; generalized nocardiosis
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Bacteriology (26 decks)

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