BACTE LEC - P. maltophilia to Kingella Flashcards Preview

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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

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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

8

Agent of nosocomial infections
colonize moist areas of skin
found in oropharynx, vaginal tract, GI tract

acinetobacter

9

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 +

12

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

23

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

28

Urethral specimens
Unable to utilize carbohydrates
Phenylalanine deaminase +

O. urethralis

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nonsaccharolytic
Oxidase positive
Catalase positive
nonmotile

O. urethralis

30

UTIs
Peritrichous flagella
Rapid urease reaction

O. ureolytica

31

Resistant to penicillin & polymyxin B

Flavobacterium

32

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

37

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

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Isolated from blood cultures
after tooth extractions

Eikenella corrodens

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Oxidase & catalase positive
Ferment glucose

Kingella

45

Require blood for growth
Indole positive
Pit agar surface

Kingella

46

species of Kingella

K. denitrificans
K. kingae

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