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RUSVM BACTERIOLOGY > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

Bacteria in Enterobacteria family

A

SEKSY PECS:

Salmonella, Escherichia, Klebsiella, Shigella, Yersenia, Proteus, Entero, Citro, Serratia

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2
Q

Main Characteristics of Enterobacteriae

A

Gram negative
FACULTATIVE ANAEROBE
Oxidase -
Rod/coccobacilli shape

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3
Q

E. Coli characteristics

A

Gram -
oxidase -
Lactose +
Motile Rods

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4
Q

Cell Associated virulence factors of e. coli

A

Endotoxin
Fimbrial adhesins
Non-Fimbrial adhesins
Capsule

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5
Q

Extra-Cellular virulence factors of e. coli

A

Enterotoxins
Cytotoxins
Siderophores

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6
Q

ENTERIC pathotypes of e. coli (5 acronyms)

A 
ETEC
VTEC
EHEC
EPEC
RPEC
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7
Q

Extra-Intestinal Pathotypes of e. coli (4 acronyms)

A

APEC
NTEC (Cattle)
Mastitis-causing (cattle)
MMA

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8
Q

PIG e. coli FACTORS

A

ETEC, EPEC
VTEC
MMA, UTI (cull sow)

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9
Q

CATTLE e. coli FACTORS

A

ETEC, EPEC
EHEC
Mastitis & Septicemia

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10
Q

DOG/CAT e. coli FACTORS

A

cats –> rarely infected

dogs –> UTI

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11
Q

Bacterial Dt in piglets (etiologies)

A

ETEC, EPEC, Salmonella

&others not covered in this section

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12
Q

ETEC in Swine:

1) Ages & Adhesion Factors
2) CS
3) Toxins

A 
1)  Neonatal : F5, 6, 41
     2-4 wk:    F4, LT, East1
     Wean:  F4, 18, LT, East 1
2) Watery Diarrhea
3) All enterotoxins (STA, STB, LT, East1)
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13
Q

ETEC in pigs uses which non-fimbrial adhesin (important for vaccines!)

A

AIDA-1

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14
Q

Symptoms of ETEC in pigs

A

Smelly, watery diarrhea
Pigs remain drinking
Dehydration
Diarrhea in older animals: white-grey, less watery

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15
Q

Dx of ETEC in pigs

A

Agglutination test and PCR

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16
Q

Tx of ETEC in pigs

A

Hydration & Antimicrobials

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17
Q

VTEC in pigs

A

Edema disease (F18)
Symptoms appear 3 wk post-weaning
Triggered by stress

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18
Q

Edema Disease affects (organs/systems)

A

Throat, eyelid, lungs, brain

+/- Dt & acute death

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19
Q

Transmission of VTEC

A

Sow –> piglets (will affect more than 1 in litter)

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20
Q

Dx of VTEC

A

Clinical Signs, Culture from fecal, PCR

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21
Q

Tx of VTEC

A

Affected animals: fasting, antimicrobials

Unaffected: antimicrobials

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22
Q

True/False: Breeding pigs without F18 receptor can help control VTEC

A

True: Breeding pigs without F18 receptor can help control VTEC

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23
Q

UTI in pigs (symptoms and tx)

A

Anorexia, hematuria, vaginal exudate, general malaise, hunched back
Tx: Cull sow, hard to treat with antimicrobials

24
Q

Bovine ETEC:

1) AGE
2) Factors
3) CS
4) Toxins

A

1) <3 days
2) F5, 41, 17 & CS31A
3) Watery Diarrhea/ Dehydration
4) STA & STB

25
Q

EPEC/EHEC Bovine:

1) Age
2) Factors
3) CS

A

1) 1-8 wk
2) EPEC: EAE; EHEC: EAE & VT
3) Mucoid diarrhea +/- blood

26
Q

Septicemia Bovine:

1) Age
2) Factors
3) CS
4) Toxins

A

1) Neonates (no colostrum, umbilical cord/PO transmission)
2) ExPEC
3) Systemic Effects
4) CNF1 & CNF2

27
Q

Bovine Salmonella (2)

A

S. typhimurium & S. dublin

28
Q

Swine salmonella (2)

A

S. typhimurium (&host specific) & S. cholerasius (typhoid)

29
Q

Horses/K9/Feline Salmonella

A

Non-Host Specific

30
Q

Poultry Salmonella (4)

A

pullorum
gallinarum (typhoid)
enteriditis (zoonotic)
typhimurium (paratyphoid)

31
Q

Is Klebsiella pneumoniae opportunistic or obligate pathogen?

A

Opportunistic Pathogen

32
Q

Klebsiella pneumoniae is resistant to which abx

A

B-lactam (amox)

Tx: with Clavamox!

33
Q

Klebsiella CS (Equine)

A

Metritis, vaginitis, infertility, abortion, umbilical infections

34
Q

Klesiella CS (K9/Fel)

A

Pyometra & cystitis

35
Q

Klebsiella CS (bovine)

A

mastitis

36
Q

Klebsiella CS (primates)

A

Respiratory infections

37
Q

Yersenia Pestis

Host, Season/Location, CS, Trans

A

Cats –> Bubonic, pneumonic, septicemic plagues
Warm months: SW USA
Fever, Respiratory Dz, Lymphadenitis
Trans: Flea/Air/Oral

38
Q

Yersenia pseudotuberculosis

A

Birds –> fatty liver Dz/Rodentiosis
Peyers Patches
Endotoxin/adhesins in GI/Septicemia

39
Q

Yersenia enterocolitica

A

Domestic animals: ileitis & gastroenteritis

40
Q

Proteus

A

Swarming Bacteria

Otitis and Cystitis in dogs

41
Q

Otitis in Dogs
Primary Bacteria
Secondary Bacteria

A

1’ –> Staph & Yeast (malassezia)

2’ –> Proteus & Pseudomonas

42
Q

Pseudomonas CS

1) Sheep
2) K9/Fel/Rabbit
3) Hamster/G. Pig
4) Horse
5) Cow

A

1) Sheep: Fleece rot
2) K9/Fel/Rabbit: Dermatitis
3) Hamster: Septicemia/Pneumonia
4) Horses: Keratitis & Metritis/Vaginitis
5) Cow: Mastitis

43
Q

Burkholderia mallei

Species, Clinical Signs, Lesions, Location, Test

A
  • **Reportable & Zoonotic
  • Equine: Glanders
  • Orchitis, respiratory dz, skin abscess, lymphadenitis, fever, nasal discharge
  • Lesions: Nodular –> granulomatous
  • Asia and South America
  • *CFT TEST
44
Q

Burkholderia pseudomallei

A
  • *Reportable
  • Meliodosis: wide host (sheep/goat)
  • Pseudoglanders: equine
  • Pyogranulomatous infections
45
Q

Francisella tularensis

A 
**Reportable and Zoonotic
Contagious!
-Reservoir: Lagomorphs and rodents
-Intracellular Survival (Fac IC)
-Systemic Multi-organ failure
-North America
46
Q

Taylorella Equigenitalis

A

Equine CEM (STD)

  • Acute supparative, sterility, abortions
  • Self limiting & carriers
  • Sampling is important!!
47
Q

Brucella (general)

A 
**ZOONOTIC (Milk/Contact) &amp; Reportable!
STD
OBLIGATE PATHOGEN
SURVEILLANCE: NO TREATMENT
Repro system and joints
48
Q

Brucella abortus

A

Cows
Repro/Mastitis
Thick peptidoglycan (LPS), no capsule or flagella
Dx: Slow Agglutination, then ELISA, then Skin Test!!

49
Q

Brucella Suis

A 
Pigs
Biovars (different reservoirs)
50
Q

Brucella melitesis/ovis

A

Small ruminants

Similar to abortus (cows)

51
Q

Brucella Canis

A

Dogs,
No O-antigen
Sometimes asymptomatic

52
Q

Coliform Bacteria (3)

A

E. coli
Klebsiella
Enterobacteriae

53
Q

Benefits of Enterobacteriae

A

Microbial antagonism
Food breakdown
Waste processing
Vitamin K production

54
Q

Opportunistic Pathogens

A

Proteus
Enterobacteriae
Citro
Klebsiella

55
Q

Salmonella Phases

A

SPI 1: Intestinal (non-host specific)

SPI 2: Systemic (host specific/adapted)

56
Q

Is APEC endogenic, exogenic, or both?

A

Endogenic

RUSVM BACTERIOLOGY (13 decks)

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