Mycoplasma

Question 1

Habitat

Answer 1

Mucous membranes (resp,GI, UG) , on erythrocytes

Question 2

Morphology

Answer 2

The smallest free-living microrganism (0.2-08 microM)
Pleomorphic
Pear shaped
NO CELL WALL
WEAK RESISTANCE

Question 3

Staining

Answer 3

Giemsa

No cell wall , not gram stained

Question 4

Culture

Answer 4

Fastidious
Horse serum (STEROLS, FA)
Yeast+DNA extract
Long time culture (7-14d)
CO2
Selective: penicillin

Question 5

Cannot be stained?

Answer 5

M. Canis, suis , ovis , haemocanis, Haemofelis

Question 6

Genus Ureaplasma

Answer 6

Facultative anaerobic, CO2 , CHOLESTEROL demand , urease positive

1.U. uralyticum: Hu , genital tract inflammatiom
2. U. Diversum: cattle genital tract inflammatiom
U. Canigenitalium; dog genital tract inflammatiom

Question 7

Bovine pathogenic sp.

Answer 7

1. M. Mycoides ssp. Mycoides: contagious bovine pleuropneumonia
2. Bovigenitalium: pneumonia , genital tract inflammatiom
3. M. Bovis: arthritis , mastitis , pneumonia

Question 8

Sheep, goat sp

Answer 8

1. M. Ovis : sheep eperythozoonosis (anemia)
2. M. Ovipenumoniae: KC , pneumonia
3. M. Capricolum ssp. Capripneomoniae: goat contagious pneumonia
4. M. Capricolum ssp. Capricolum: pneumonia, arthritis, mastitis
5. Mycoides ssp. Mycoides LC
6. M. Agalactiae; pneumonia, contagious aglctia, arthritis
7. M. Conjunctivae: KC , Conjunctivitis

Question 9

Carnivore + Poultry sp.

Answer 9

Carnivore: hamobartonellosis - RBCs
M. (Haemobartonella) Haemofelis: cat anemia
M. (Haemobartonella) haemocanis: dog anemia

Poultry:
M. Gallisepticum : chronic respiratory disease
M. Synoviae: synovitis
M. Meleagridis: air saccultis

Question 10

Sp. Acholeplasma

Answer 10

Facultative anaerobic , saprophyte/facultative pathogen
A. Axanthum- isolated from clinical samples
A. Oculi: sheeo , goat , conjuctivitis

Question 11

Swine sp.

Answer 11

1. M. Suis; swine eperythozoonosis (anemia)
2. M. Hyopneumonia - enzootic pneumonia
3. M.Hyorhinis: rhinitis , arthritis