Mycobacterium Flashcards
Photochromogen
Produces pigment in light
Scotochromogen
Produces pigment in light and dark
Non photochromogen
Produces no pigment
Photochromogenic mycobacterium
M. Kansasii
M. marinum
Scotochromogenic mycobacterium
M. Scrofulaceum
M. Gordonae
Non photochromogenic mycobacterium
M. Avium
M. Ulcerans
M. Fortuitum
M. Avium complex
M. Tuberculosis
Rapid growing mycobacterium
M. Foruitum
M. Chelonei
Mycobacterium tuberculosis
Niacin +
Nitrate +
Rough buff serpentine cording on culture
Mycobacterium avium complex
Environmental
Pulmonary/ disseminated disease in immuno.
Non pigmented on LJ
ID by nucleic acid probes
Tellurite+
Mycobacterium leprae
Hansen disease
Leprosy
Treatable Progressive disease of skin/ mucous mem/ nerves
Grows best in armadillo footpads
Lowenstein Jensen
LJ
60% egg, malachite green
Heat to 85*C until protein coagulates
Cauliflower colonies on LJ
M. Tuberculosis
Tween 80
Oleic acid
Aids in dispersing mycobacterium colonies in liquid media
Decontamination of mycobacterium; NALC
N-acetyl-L-cysteine (mucolytic)
2% NaOH (decontaminates)
Time dependant
Decontamination of mycobacterium; trisodium phosphate and benzalkonium chloride are used to clear out what bacteria?
Pseudomonas