Flashcards in Lab: Bacteria Deck (52):
0
What is the morphology of E. coli?
Bacilli
1
Gram stain of E. coli
Gram (-)
2
Colony appearance of E. coli
Beige colonies
3
Details of E. coli
-most commonly worked with bacteria
-most strains harmless, typically hear about O157:H7 that causes food poisoning
- ubiquitous
- part of Enterobacteriaceae family
- molecular "workhorse"
4
What's the morphology of S. aureus?
Cocci
5
Gram stain of S. aureus
Gram +
6
Colony appearance of S. aureus
Golden yellow
7
Details of S. aureus
- golden grape bunches
- normal part of skin flora but typically hear about MRSA
- staph typically blamed for Strep infections
8
Morphology of S. mutans
Cocci
9
Gram stain of S. mutans
Gram +
10
Colony appearance of S. mutans
Opaque colonies
11
Details of S. mutans
- normal part of oral flora
- responsible for carb metabolism thus creating an acidic environment that contributes to dental caries
- forms dental biofilms
12
Morphology of P. hauseri
Bacilli
13
Gram stain of P. hauseri
Gram -
14
Colony appearance of P. hauseri
Opaque colonies
15
Details of P. hauseri
- highly motile
- found in intestines of humans and animals, soil and water
- known to cause UTIs
16
Morphology of B. cereus
Bacilli
17
Gram stain of B. cereus
Gram +
18
Colony appearance of B. cereus
Fluffy white colonies
19
Details of B. cereus
- often used as probiotic for animals
- harmless except for strains that cause fried rice syndrome
- can produce endospores
20
Morphology of B. megaterium
Bacilli
21
Gram stain of B. megaterium
Gram +
22
Colony appearance of B. megaterium
White with ruffled edges
23
Details of B. megaterium
- one of largest bacteria in terms of size
- naturally produces penicillin amidase
- can produce spores
24
Morphology of B. subtilis
Bacilli
25
Gram stain of B. subtilis
Gram +
26
Colony appearance of B. subtilis
Dull, tan, raised, wrinkled edges
27
Details of B. subtilis
- found in soil and vegetation
- model organism for the study of endospore formation
- can be used as fungicide
- naturally produces new phospholipid antibiotic
- degrades TNT
28
Morphology of K. rosea
Cocci
29
Gram stain of K. rosea
Gram +
30
Colony appearance of K. rosea
Pink colonies
31
Details of K. rosea
- aka Micrococcus roseus
- found in freshwater, saltwater and soil
- chromogenesis at 25 to form pink colonies
- fastidious
32
Morphology of M. luteus
Cocci
33
Gram stain of M. luteus
Gram +
34
Colony appearance of M. luteus
Yellow colonies
35
Details of M. luteus
- aka Kocuria rhizophila
- typical soil bacterium
- threat to immunocompromised individuals
- chromogenesis at 25 to form yellow colonies
36
Morphology of S. marcescens
Bacilli
37
Gram stain of S. marcescens
Gram -
38
Colony appearance of S. marcescens
Red colonies
39
Details of S. marcescens
- produces prodigiosin at 25 giving red appearance
- very ubiquitous
- can be pathogen (UTI and catheter)
- US and UK tested effects by spraying
- church wafers
40
Morphology of P. aeruginosa
Bacilli
41
Gram stain of P. aeruginosa
Gram -
42
Colony appearance of P. aeruginosa
Opaque green/blue colonies
43
Details of P. aeruginosa
- ubiquitous human and plant pathogen
- produces pyocyanin (blue-green) at 37
- loves to be in biofilms
- CF and burn patients
44
Morphology of E. faecalis
Cocci
45
Gram stain of E. faecalis
Gram +
46
Colony appearance of of E. faecalis
Opaque colonies
47
Details of E. faecalis
- typical GI bacterium
- found in cosmetics and hygienic chemicals
- ability to spoil sap and syrup
- part of Enterobacteriaceae family
48
Morphology of P. phosphoreum
Bacilli
49
Gram stain of P. phosphoreum
Gram -
50
Colony appearance of P. phosphoreum
Blue-green glowing colonies
51