COMPLEXES OF MYCOBACTERIA Flashcards
Tubercle Bacilli Complex
M. tuberculosis
M. bovis
M. ulcerans
M.. africanum
M. microti
TB in COWS
Ingestion of milk
Intestinal TB: HUMANS
Water droplet colonies
NO3 Reduction (-), Niacin (-)
T2H – Sensitive
Pyrazinamidase (-)
Mycobacterium bovis
BURROLI ULCERS
third common mycobacteria
Inert bacilli
M. ulcerans
TB in Africa
M. africanum
Atypical Mycobacteria/MOTT
Photochromogens (same growth at 10 - 20 days)
Scotochromogens
Non-photochromogens
Rapid Growers
Pigmented in the presence of light
Growth rate: 10 - 21 days
Photochromogens – Group I
CROSSBARDS BACCILI
Yellow bacillus
Shepherds Brook
2nd cause of NTB cause lung tuberculosis in AIDS px.
M. Kansasii
swimming pool granuloma
M. marinum
isolated from monkeys
M. simiae
TAP water Bacillus
Pigmented colonies in the presence of light and dark
Scotochromogens – Group II
cervical lymphadenitis in children
M. scrofulaceum
pulmonary disease similar to TB in middle-aged men
M. szulgai
RAPID GROWERS (Scotochromogens – Group II)
M. phlei
M. smegmatis group
Non-pigmented colonies in the presence of light and dark
Non-Photochromogens – Group III
Bird nest appearance
M. xenopi