11 - Pseudomonas Flashcards
1
Q
(Pseudomonas)
- ubiquitous
- occur widely in nature
- aquatic habitat and in soil
- produce colorful soluble pigments blue or green - blue pus organsim
- simple nutritional requirements
A
2
Q
(Pseudomonas)
- gram?
- oxygen?
- shape?
- motile?
- spores?
- most species produce what?
- highly resistant to what?
A
- negative
- aerobic (obligate)
- rod
- yes (one or more polar flagella)
- no
- pigments
- disinfectants
3
Q
(Pigments produced by pseudomonas aeroginosa)
- pyocynin =
- pyoverdin =
- pyorubin =
- pylomelanin =
A
4
Q
(Psuedomonas)
(species of pathogenic significance in animals)
- what is one?
- is it a big threat to animals?
A
- P. aeruginosa
- no, seldom causes disease in healthy animals
5
Q
(Psuedomonas Aerguinosa)
- gram?
- oxygen?
- SURVIVES AND MULTIPLIES IN WHAT TEMPS?
- survives high salt content
- shows what green pigmentation (pyocyanin - deep blue, fluoresceine - yellow to green)
- what percentrage of stains produce pigment?
A
- negative
- aerboic - obligate
- WIDE TEMP RANGE, 20-42 C
- 50%
6
Q
(Pseudomonas Aeruginosa)
- known to survive in what?
A
- quarternary ammonium disinfectants, weak soap solutions
7
Q
(Pseudomonas Aeruginosa)
secretes numerous extracellular products
1-3. What are the important ones?
A
- proteolytic enzymes (destructive to tissues)
- proteases (3 types)
- fibrinolysin (converts fibrin to soluble products)
make note of yellow text in pic
8
Q
A
9
Q
(Pseudomonas Aerguniosa)
wound infections - purulent material may be what color?
A
green
(immuno compromised host)
10
Q
A
11
Q
A
12
Q
(Burkholderia)
- What is the species of importance?
- CAUSES WHAT IN HORSES AND SOLIPEDS (and carnivores)?
- DONKEYS EXPERIENCE A MORE CHRONIC/ACUTE FORM? HORSES? MULES?
- contagious, chronic, fatal in horses
- HOW SUSCEPTIBLE ARE SHEEP, CATTLE, SWINE
- in humans?
A
- Burkholderia mallei
- GLANDERS
- ACUTE; CHRONIC; INTERMEDIATE
- THEY ARE RESISTANT
- seldom
13
Q
(Burkholderia mallei)
- carnivores are susceptible if they do what?
- felines or dogs more susceptible?
A
- eat glandered meat
- felines
14
Q
A
15
Q
(Burkholderia mallei)
(three forms of the disease)
1-3. what are they?
A
16
Q
read pages 25-36
A
17
Q
(Burkholderia mallei)
- what is incubatin with natural infection?
with experimental infection?
- within a week
A
- weeks to months
3 days
18
Q
A
19
Q
A
20
Q
A
21
Q
(Burkholderia Pseudomallei)
- very closely related to B. mallei
- CATTLE, SHEEP, GOATS, PIGS, HORSES, DOGS, CATS, RODENTS, MONKEYS, HUMANS
- present in western hemisphere
A
