Microbiology - Mycobacteria (MOTTs)
Terms
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- What are the characteristics of Photochromogens (Runyon I)?
- slow growing, produce a yellow-orange pigment when exposed to light
- What are the species in Runyon I?
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markansim
M. kansasii - TB-like disease
M. mariumn - from aquariums
M. simiae - What are the characteristics of Scotochromogens (Runyon II)?
- slow growing, produce a yellow-orange pigment in LIGHT OR in the DARK
- What are the species in Runyon II?
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Suzie Scarfs Flavored Gorditas
M. szulgi
M. scrofulaceum
M. flavescens
M. gordonaee - What are the characteristics of Nonchromogens (Runyon III)?
- slow growing, do not produce pigment
- What are the species in Runyon III?
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Matt Gux
M. malmonese
M. avium-intracellulare
M. terrae
M. trivale
M. gastri
M. ulcerans
M. xenopi - What are the characteristics of Rapid Growers (Runyon IV)?
- rapid growing for mycobacteria (colonies in 5 days). NO PIGMENT
- What are the species in Runyon IV?
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Rapid Growers check their "facs"
M. fortuitum
M. abscesus
M. chelonae
M. smegmatis - Char of M. avium-intracellulare comples (MAC/MAIC)
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- most common non-TB rspnsble for pulmonary & disseminated disease.
-Incr because of AIDS
-Disseminated infection w/ MAC most common bact complication in AIDS - Characteristics of M. kansasii
- chronic lung infection resembling TB
- Characteristics of M. marinum
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-infection follows trauma (often in pools, aquariums, ponds)
-Almost always confined to superficial, cooler body tissues - Characteristics of M. scrofulaceum
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-freq cause of lymphadenitis
-most common in children 1-3 yrs
-involves nodes in submandibular area - Characteristics of M. fortuitum
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infections of skin/soft tissues,
may resemble abscesses due to Staph. - M. gordonae
- water borne contaminant