Flashcards in BACTE LEC - Non-fermenting Gram (-) Bacilli to Pseudomonadaceae Deck (35)
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1
O2 requirements of Non-fermenting Gram (-) Bacilli
AEROBIC
2
Fail to acidify OF media overlaid with Mineral oil and TSI
Non-fermenting Gram (-) Bacilli
3
Where are Non-fermenting Gram (-) Bacilli found
in most environments: ubiquitous
4
can withstand treatment with disinfectants
Non-fermenting Gram (-) Bacilli
5
resistant to most antimicrobials
Non-fermenting Gram (-) Bacilli
6
O2 requirements of Pseudomonas
strict aerobes
7
motility of Pseudomonas
motile
8
oxidase rxn of Pseudomonas
+ except for P. luteolus and P. oryzihabitans
9
Catalase rxn of Pseudomonas
+
10
cm for most Pseudomonas
MAC
11
Most are oxidizers, some assacharolytic, what family
Pseudomonas
12
most frequently isolated spp of Pseudomonas
P. aeruginosa
13
common cause of nosocomial infections
P. aeruginosa
14
CA of bacteremia, skin, wound infections, UTIs, endocarditis
P. aeruginosa
15
CA of swimmer's ear
P. aeruginosa
16
CA of jacuzzi/ hot tub syndrome
P. aeruginosa
17
CA of severe pneumonia among CF patients
P. aeruginosa
18
Virulence Factors of P. aeruginosa
LPS
Unusual porin channels
Pili
Capsule [Alginate]
Elastase, Collagenase, Protease
Exotoxin A
Hemolysin
Pyocyanin pigment
19
Rx of choice for P. aeruginosa
Aminoglycosides
Piperacillin
Ticarcillin
Ceftazidine
Cefepime
20
pigments of P. aeruginosa [4]
pyocyanin
pyoverdin
pyorubin
pyomelanin
21
odor of P. aeruginosa
grape like or tortilla like
22
temperature for P. aeruginosa growth
able to grow at 42C
23
Describe appearance of P. aeruginosa on BAP
Ground glass appearance: large, rough, dull grayish colonies w/ feathery edge
24
hemolytic rxn of P. aeruginosa on BAP
beta
25
appearance of P. aeruginosa on clear agars
visible pigment
26
appearance of P. aeruginosa on EMB
Colorless [non-fermenting]
27
TSI Rxn of P. aeruginosa
K/K
28
Will P. aeruginosa grow in Cetrimide Agar
Yes
29
2 Other Pseudomonas species
>normal flora, opportunistic
>low virulence
>assoc with UTIs, post surgical abscesses, empyema, septic arthritis
P. fluorescens and P. putida
30
