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Bacteria 5 > Bacteria 5 > Flashcards

Bacteria 5 Flashcards

1
Q

Opportunist pathogens

A

do not cause disease in a healthy host, with a healthy immune system

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2
Q

True Pathogens

A

are equipped with virulence genes for adherence, invasion, evasion from the immune system and toxins

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3
Q

Nosocomial infections

A

hospital acquired infections

Staphylococcus aureus, Clostridium difficile

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4
Q

Obligate intracellular pathogen

A

need a cell to replicate.

Rickettsia

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5
Q

Facultative intracellular pathogen

A

can survive in extracellular and intracelluar locations

Mycobacteria

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6
Q

Mycoplasma

A

Cell wall deficient, bacteria do not have peptidoglycan.

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7
Q

Mycobacteria

A

have mycolic acid, and will stain postive for acid fast staining

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8
Q

Staphylococcus

A

skin and mucus membranes. pyogenic bacterial. abscesses and infections.

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9
Q

S. hyicus

A

Greasy Pig disease- staphylococcus

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10
Q

how to test for Staphylococcus

A

coagulase test, and SPA

check for enterotoxin A-E

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11
Q

MRSA

A

Nosocomial infection, methicillin resistant S. aureus

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12
Q

Streptococcus

A

have a capsule to help evade phagocytosis

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13
Q

S. pyogenes

A

Strept- humans

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14
Q

S. agalactiae & S. dysgalactiae

A

Mastitis

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15
Q

S. equi subsp. equi

A

Strangles in horses

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16
Q

Bacillus Anthracis

A

Gram Postive (Violet)
three toxins present
Anti-phagocytic
polymer of D-Glutamic acid

17
Q

3 (tripartite toxin) proteins encoded in the plasmid for Anthrax

A

Edema Factor- calmoduline,inhibit neutrophil function
Lethal Factor- zinc, cell death
Protective Antigen-cell binding factor

18
Q

Erysipelothrix Rhusiopathiae

A

Swine erysipelas

Diamond skin disease in swine

19
Q

Corynebacterium pseudotuberculosis

A

Caseous lymphadenitis

Absess in lymph nodes. (goats)

20
Q

Actinomyces Bovis

A

Lumpy jaw in cattle.

pyogranulomatous osteomyelitis

21
Q

mycobacterium tuberculosis complex

A

Acid Fast Positive, mycolic acid.

Facultative intracellular bacteria. humans and cows

22
Q

Johne’s Disease

A

M. avium. subsp paratuberculosis

Thick intestines, cannot absorb nutrients and become malnourished.

23
Q

Listeria Monocytogenes

A

septicemia, abortion, meningoencephalitis
Facultatice intracellular bacterium
food borne,
use host actin filaments to travel in the cell

24
Q

Clostridium

A

histotoxic, invasive. 6 types

25
Q

Clostridium Tetani

A

infects surgical wounds, causes spastic paraylsis. Lock Jaw

26
Q

Clostridium botulinum

A

Produce botulinum toxin, and causes flaccid paralysis. Intoxication with BoNT

27
Q

Examples of Gram Negative Bacteria

A

Group Enterobacteriaceae-present in water, soil, and GI tract
Coliform Bacteria- E.coli, Klebsiella,Enterobacter. (coliform enumeration is used to evaluate fecal contamination in drinking water)

28
Q

Escherichia coli

A

Neonatal Colisepticemia in calves
edema disease in pigs
hemorrhagic enteritis in humans
hemolystic uremic syndrome and kidney failure O157H7

29
Q

Salmonella enterica

A

gastroenteritis and systemic diseases
dublin- cattle
typhi- humans
enteritidis- chickens

30
Q

Actinobacillus pleuropneumoniae

A

Fibrinonecrotic pneumonia in pigs

31
Q

Pasteurella Multocida and Mannheimmia hemolytica

A

Shipping Fever pneumonia in cattle

32
Q

Brucellosis

A

Abortus, melitensis, suis. canis.

reproductive system and general illness, survive in macrophages, zoonotic disease

33
Q

Bordetella Bronchiseptica

A

Kennel Cough in dogs

Atrophic Rhinitis in swine

34
Q

Leptospirosis

A

Spirochete (endoflagella)
bacteria live in the kidney tubules.
widespread zoonotic disease

35
Q

Borelia Burgdorferi

A

Spirochete, causes lyme disease. Tick Vector

36
Q

Mollicutes- Mycoplasma

A

in humans- walking pneumonia
in cattle- pneumonia and arthritis.
no cell wall- no peptidoglycan
no gram staning and not susceptaible to penicillin
Fried Egg colony- smallest prokaryotic cells about to self replicate.

37
Q

Rickettsiales

A

Obligate Intracellular bacteria. Transmittec though Ticks

also Anaplasma, and Ehrlichia

Bacteria 5 (1 decks)

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