Flashcards in BACTE LEC - P. maltophilia to Kingella Deck (46):
1
maltose loving
P. maltophilia
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yellow pigment on TSA
P. maltophilia
3
Grows at 42 C
P. maltophilia
4
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
13
most important organism in Alcaligenes
A. faecalis
14
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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UTIs
Peritrichous flagella
Rapid urease reaction
O. ureolytica
31
Resistant to penicillin & polymyxin B
Flavobacterium
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Lavander-green
SBA
Flavobacterium
33
has the enzyme gelatinase
Flavobacterium
34
found in Soil, water &
Other moist areas
Plants
Flavobacterium
35
Dark yellow colonies
on BA
Indol +
F. indologenes
36
Nonsaccharolytic
Fruity odor
F. odoratum
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most important species of Flavobacterium
F. meningosepticum
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Meningitis in neonates
Pneumonia
(immunosuppresed adults)
F. meningosepticum
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found in Ice machines
Water fountains
Sinks
Incubators
Water baths
F. meningosepticum
40
Indole +
Urease negative
Positive for esculin hydrolysis
ONPG
deoxyribonuclease
Pinpoint
Pale yellow pigment
F. meningosepticum
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“corroding bacterium”
Eikenella corrodens
42
Facial & neck abscesses
Cellulitis
Septicemia
Eikenella corrodens
43
Isolated from blood cultures
after tooth extractions
Eikenella corrodens
44
Oxidase & catalase positive
Ferment glucose
Kingella
45
Require blood for growth
Indole positive
Pit agar surface
Kingella
46