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Liz's Microbiology Module 2 > Anaerobic GNC, GPC, GNRs > Flashcards

Anaerobic GNC, GPC, GNRs Flashcards

(57 cards)

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1
Q

Most commonly isolated and only GNC implicated as a pathogen

A

Veillonella

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2
Q

Most pathogenic of the anaerobic GPCs and most frequently isolated in pure culture

A

Finegoldia magna

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3
Q

FInegoldia magna

- Colonial morphology

A

Donuts (resembles RBCs)

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4
Q

Parvimonas micra

- Colonial morphology

A

Demonstrates slight beta hemolysis

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5
Q

Peptostreptococcus anaerobius

- Clonial morphology

A

Creamy, round colonies

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6
Q

Veillonella spp

- Clonial morphology

A

Circular, raised, smooth, and creamy

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7
Q

Bacteroids fragilis

- Clonial morphology

A

Fine ground glass (CIS)

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8
Q

Bacteroides ovatus

- Clonial morphology

A

?

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9
Q

Bacteroides thetaiotaomicron

- Clonial morphology

A

Mucoid, often w/ white striations

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10
Q

Campylobacter ureolyticus

- Clonial morphology

A

“Pits” the agar

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11
Q

Prevotella melaninogenica ‘group’

- Clonial morphology

A

Yellow to tan to brown to black colonies → become darker w/ prolonged incubation

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12
Q

Fusbacterium mortiferum

- Clonial morphology

A

Colonies have whirl appearance

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13
Q

Fusobacterium necrophorum

- Clonial morphology

A

“Fried egg” colonies (raised yellow center)

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14
Q

Fusobacterium nucleatum

- Clonial morphology

A
  • Mottled (course ground glass), pinkish to greenish

- Molar tooth forms

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15
Q

Peptostreptococcus anaerobius

- GLC

A

GLC = a…IC

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16
Q

Fusobacterium spp

- GLC

A

GLC = aB

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17
Q

Bacteroides fragilis ‘group’

- GLC

A

GLC = ap (ib) iv

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18
Q

Porphyromonas spp

- Normal flora

A

Mouth

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19
Q

Veillonella spp

- Normal flora

A

Oral, respiratory, intestinal, genitourinary… (mucus membrane lined cavities)

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20
Q

Finegoldia magna

- Normal flora

A

Intestine

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21
Q

Parvimonas micra

- Normal flora

A

Mouth/upper respiratory tract

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22
Q

Staphylococcus saccharolyticus

- Normal flora

A

Skin

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23
Q

Fusobacteirum mortiferum

- Normal flora

24
Q

Fusobacterium nucleatum

- Normal flora

25
Fusobacteirum necrophorum | - Normal flora
Mouth
26
Bacteroides fragilis 'group' | - Normal flora
Colon
27
Prevotella oralis | - Normal flora
Mouth
28
Prevotella bivia and P. disiens | - Normal flora
Vaginal flora
29
Veillonella spp | - Nitrate reaction
Nitrate +
30
Peptococcus niger | - Pigment
Black to olive green → pigment fades w/ O2 exposure
31
Finegoldia magna | - Associated w/ what kind of infections?
Infections below diaphragm
32
Parvimonas micra | - Associated w/ what kind of infections?
Infections above diaphragm
33
Peptostreptococcus anaerobius | - SPS disk test
Susceptible ( ≥ 12 mm)
34
Staphylococcus saccharolyticus | - Found in what kind of cultures?
Blood and CSF cultures
35
Fusobacterium spp are associated w/ what kind of infections?
Infections of the mouth (human bites, lung abscesses, pleural cavity, brain abscess)
36
Fusobacterium nucleatum | - Indole reaction
Indole +
37
Fusobacterium necrophorum - Associated w what kind of infection? - Lipase reaction on EYA
- Common cause of brain abscesses | - Lipase +
38
Fusobacterium mortiferum - Associated w/ what kind of infections? - Resistant to ____
- Infections below the diaphragm | - Antibiotics
39
Bacteroides fragilis 'group' - Stimulated by what? - Bile disk test
- Stimulated by 20% bile | - Bile resistant
40
Bacteroides fragilis 'group' is a ____ producer and very resistant antimicrobials
Penicillinase
41
Fusobacterium spp - Vancomycin disk reaction - Kanamycin disk reaction - Colistin disk reaction - Growth on LKV agar?
- Vancomycin: resistant - Kanamycin: susceptible - Colistin: susceptible - No growth on LKV
42
Bacteroides fragilis 'group' - Vancomycin disk reaction - Kanamycin disk reaction - Colistin disk reaction - Growth on LKV agar?
- Vancomycin: resistant - Kanamycin: resistant - Colistin: resistant - Growth on LKV
43
Bacteroides fragilis 'group' | - Colonial morphology on BBE agar
Large gray-black colonies
44
Bacteroides ovatus | - Indole reaction
Indole +
45
Bacteroides thetaiotaomicron | - Indole reaction
Indole +
46
Bacteroides fragilis | - Indole reaction
Indole --
47
Bacteroides vulgatus | - Indole reaction
Indole --
48
Porphymonas spp | - Indole reaction
Indole +
49
Porphymonas spp - Vancomycin disk reaction - Kanamycin disk reaction - Colistin disk reaction - Growth on LKV agar?
- Vancomycin: susceptible - Kanamycin: resistant - Colistin: resistant - No growth on LKV agar
50
Porphymonas spp | - Associated w/ what kind of infections?
Oral dental infections
51
This anaerobe is synergistic (usually found w/ other organisms), requires hemin and vitamin K in vivo, and produces beta lactamase?
Prevotella spp
52
Prevotella spp - Vancomycin disk reaction - Kanamycin disk reaction - Colistin disk reaction - Growth on LKV agar?
- Vancomyin: resistant - Kanamycin: resistant - Colistin: variable - Growth on LKV agar
53
This anaerobe demonstrates brick red fluorescence and its pigment makes protoporphyrin (causing colonies ot become brown/black)
Prevotella melaninogenica
54
Peptostreptococcus anaerobius | - Normal flora
Nose, throat, intestine
55
Campylobacter ureolyticus | - Urease reaction
Urease +
56
Anaerobic GPCs
- Peptococcus niger - Finegoldia magna (large) - Parvimonas micra (small) - Peptostreptococcus anaerobius (elongated) - Staphylococcus saccharolyticus - Streptococcus intermedius
57
Anaerobic GNRs
- Fusobacterium spp (spindle-shaped rod → "fusiform") - Fusobacterium nucleatum (fusiform; thin and tapered) - Fusobacterium necrophorum (short, long) - Fusobacterium mortiferum (HUGE) - Bacteroides fragilis - Bacteriodes thetaiotaomicron - Porphyromonas pp - Prevotella spp - Prevotella melaninogenic - Campylobacter gracilis - Campylobacter urealyticus

Liz's Microbiology Module 2 (11 decks)

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