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Micro > Major Pathogens + Characteristics > Flashcards

Major Pathogens + Characteristics Flashcards

1
Q

Staph Aureus

A

GPC; grape like clusters; beta hemolytic; catalase +; coagulase+; can be grown

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2
Q

Strep Pyogenes

A

GPC; chains; catalase -; beta hemolytic; Group A Strep; can be grown

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3
Q

Enterococcus

A

GPC; chains; very drug resistant; can be grown

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4
Q

Neisseria meningitidis

A

GNC; capsulated; can receive vaccine; has LPS + endotoxin; requires CO2; can be grown

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5
Q

Neisseria gonorrhoeae

A

GNC; no vaccine; has LPS + endotoxin; requires CO2; can be grown

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6
Q

Listeria Monocytogenes

A

GPR; aerobic; teichoic acid in CW; can cross placenta; can be grown (in refrigerated temps)

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7
Q

Corynebacterium Diptheriae

A

GPR; aerobic; usually respiratory infections; toxigenic disease; teichoic acid in CW; can be grown

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8
Q

Bacillus anthracis

A

GPR; sporeforming; teicoic acid in CW; biohazard; can be grown but isnt

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9
Q

Escherichia coli

A

GNR; facultative intracellular; part of normal flora; can be grown

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10
Q

Salmonella enterica

A

GNR; facultative intracellular; live in vacuole; can be grown

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11
Q

Shigella dysenteriae

A

GNR; facultative intracellular; escapes vacuole; actin motility: can be grown

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12
Q

Other Enterobacteriaceae

A

Yersinia, Aeromonas, Klebsiella; GNR; LPS + Endotoxin; facultative intracellular; can be grown

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13
Q

Bordetella pertussis

A

requires special growth medium; GNCB; can be grown

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14
Q

Pseudomonas

A

very antibiotic resistance; non fermentative; opporunistic pathogen; GNR; can be grown

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15
Q

Vibrio

A

cholerae, vulnificus, parahemolyticus; GN curved rods; marine bacteria; can be grown

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16
Q

Haemophilus

A

GNCB; person-person contact; need specific growth factors to grow (X (heme) and V (NAD) factor)

17
Q

Campylobacter

A

GN spiral shaped; requires special growth media

18
Q

Mycobacterium tuberculosis

A

AF; contains mycolic acid in CW; slow growing

19
Q

mycobacterium leprae

A

AF; contain mycolic acid in CW; not grown in lab

20
Q

Rickettsia

A

GNR; obligate intracellular pathogen; grows in cytoplasm; arthropod vector; cant be grown in lab

21
Q

Chalmydia

A

GN; obligate intracellular; grows in vacuoles; transmitted via direct contact; can’t be grown in lab

22
Q

Coxiella

A

GN; grows in acidified phagolysosome; airborne/inhalation; obligate intracellular; can’t be grown in lab

23
Q

Bacteroides

A

GNR anaerobe

24
Q

Clostridium botulinum

A

GPR; anaerobe; spore former; causes toxigenic disease

25
Q

Clostridium tetani

A

GPR; anaerobe; spore former; toxigenic disease

26
Q

Clostridium perfringens

A

GPR; anaerobe; spore former

27
Q

Clostridium difficile

A

GPR; anaerobe; spore former

28
Q

Treponema pallidum

A

Spirochete; don’t grow in lab; don’t gram stain; extracellular pathogen; syphilis (STD)- Chancre (painless), lesions all over body (including palms/soles), gumma lesion (painless)

29
Q

Leptospira interrogans

A

spirochete; doesn’t grow in lab; no gram stain; extracellular pathogen; transmitted from animals/urine

30
Q

Borrelia burgdorferi

A

spirochete; doesn’t grow in lab; no gram stain; extracellular; lyme disease (tick vector)

31
Q

Mycoplasma

A

no gram stain (no peptidoglycan); can grow in lab but typical diagnostic labs; membrane has sterols; extracellular pathogen

32
Q

Enterotoxigenic Strains (ETEC)

A

E coli that causes watery diarrhea (fecal/oral)

33
Q

Enterohemorrhagic Strain (EHEC)

A

bloody diarrhea, pedestals, shiga toxin; Hemolytic Uremic Syndrome (Acute renal failure)

34
Q

Extraintestinal strains ExPEC

A

uropathogenic E. Coli- UTI P-type pili

Meningitis Strains - K1 polysaccharide capsule

Micro (3 decks)

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