Flashcards in BACTE LEC - P. maltophilia to Kingella Deck (46)
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1
maltose loving
P. maltophilia
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yellow pigment on TSA
P. maltophilia
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Grows at 42 C
P. maltophilia
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Ammonia like odor
P. maltophilia
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Agent of nosocomial infections, UTIs, wound infections
P. maltophilia
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coccobacill in pairs
acinetobacter
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Grows on MAC, BA, EMB
MAC: bluish to pink
EMB: cornflower blue color
acinetobacter
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Agent of nosocomial infections
colonize moist areas of skin
found in oropharynx, vaginal tract, GI tract
acinetobacter
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commonly isolated in endotracheal tubes, respiratory care quipment, dialysis equipment, venous catheters
acinetobacter
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mistaken as neisseria
acinetobacter
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how to differentiate nesseria and acinetobacter
acinetobacter - oxidase -
neisseria - oxidase +
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motile, MAC, oxidase and catalse +
Alcaligenes
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most important organism in Alcaligenes
A. faecalis
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isolated on blood, csf, UT, pleural cavity
A. faecalis
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flat dull colonies w/ irregular edge on BA
A. faecalis
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Fails to reduce NO3 to NO2 or NO3 to NO2
A. faecalis
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Grows in 6.5% NaCl
A. faecalis
A. piechaudii
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Fruity odor of apples and pears
A. odorans
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oxidize both glucose and xylose in of medium
A. xyclosoxidans
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cannot grow in 6.5% NaCl
A. xyclosoxidans
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reduce NO3 --> NO2
grows in 6.5% NaCl
A. piechaudii
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reduce NO3 --> NO2
reduce NO3 --> N2
alkaline rxns in OF Medium
A. xyclosoxidans subspecies denitrificans
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how does moraxella differ from neisseria?
MoraxellaWill not utilize carbohydrates
Grow on BA
Colonies on the outer zone of
inhibition around penicillin
(elongated forms)
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nonmotile
Free living in soil & water
Moraxella
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Gram negative diplococci
Moraxella
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Normal flora –
mucous membranes, skin, saliva
BA – small, pinpoint, nonpigmented colonies
Grows poorly or not all
on MAC
Moraxella
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how does moraxella differ from acinetobacter?
moraxella is both catalase and oxidase positive
nonsaccharolytic
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Urethral specimens
Unable to utilize carbohydrates
Phenylalanine deaminase +
O. urethralis
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nonsaccharolytic
Oxidase positive
Catalase positive
nonmotile
O. urethralis
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