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Bacteriology > Mycoplasma > Flashcards

Mycoplasma Flashcards

1
Q

Mycoplasma

A

smallest free living bacteria. Do not have a cell wall. Have an affinity to colonize ciliated epithelium

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2
Q

How does mycoplasma damage host tissues?

A

direct intimate association, toxic metabolites, nutrient competition, ciliostasis

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3
Q

Mycoplasma in swine

A

Mycoplasma hyopneumoniae. Causes enzootic pneumonia

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4
Q

Enzootic pneumonia.

A

caused by Mycoplasma hyopneumoniae. Chronic respiratory disease resulting in anteroventral bronchopneumonia

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5
Q

Mycoplasma in Cattle

A
  1. M. mycoides subsp. mycoides
  2. M. bovis
  3. Ureaplasma diversum
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6
Q

Mycoplasma mycoides subsp. mycoides

A

the most virulent Mycoplasma in cattle. Causes contagious bovine pleuropneumonia. Foreign animal/reportable disease

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7
Q

What causes mastitis in cattle?

A

Mycoplasma bovis

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8
Q

Ureaplasma diversum

A

associated with infertility. Can cause seminal vesiculitis in bulls

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9
Q

Mycoplasma in sheep and goat

A
  1. Mycoplasma capricolum subsp. capripneumoniae

2. Mycoplasma agalactiae

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10
Q

Mycoplasma capricolum subsp. capripneumoniae

A

contagious caprine pleuropneumonia. Reportable disease

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11
Q

Mycoplasma agalactiae

A

contagious agalactia of sheep and goats

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12
Q

Mycoplasma in Poultry

A

M. gallisepticum and M. synoviae are reportable

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13
Q

Mycoplasma gallisepticum

A

causes chronic respiratory diseases in chicken and turkeys. Coughing, nasal discharge, tracheal rales, sinusitis, decreased egg production

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14
Q

Mycoplasma synoviae

A

causes synovitis resulting in lameness, swelling of joints, and retarded growth

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15
Q

Mycoplasma Treatment

A

do not use cell wall active drugs

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16
Q

Mycoplasma hemofelis

A

infects cats. Infects erythrocytes and causes feline infectious anemia

17
Q

Mycoplasma hemosuis Target Cell

A

erythrocytes

18
Q

Mycoplasma hemosuis Animal Affected

A

pig

19
Q

Mycoplasma hemosuis Clinical Signs

A

fever, anemia, weakness, icterus

20
Q

What does Mycoplasma bovis cause?

A

arthritis, pneumonia, and mastitis in cattle

21
Q

Mycoplasma Transmission

A

requires close contact with carrier

22
Q

Is Mycoplasma zoonotic?

A

no

23
Q

What kind of pathogen is Mycoplasma

A

extracellular pathogen of respiratory and reproductive tracts

24
Q

In vitro culture of Mycoplasma

A

fried egg appearance

25
Q

Mycoplasma Prevention

A
  1. test and cull for diseases
  2. adopt biosecurity measures
  3. Vaccinate

Bacteriology (9 decks)

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