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Bacteriology > Lecture 16 - Salmonella > Flashcards

Lecture 16 - Salmonella Flashcards

1
Q

What are the three major animal pathogens in the enterobacteriacea family?

A

Salmonella + E. Coli + Yersinia

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2
Q

What are the opportunistic animal pathogens in the enterobacteriacea family?

A

Proteus + Klebsiella + Enterobacter

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3
Q

What is the gram stain of the strains within Enterobacteriacea?

A

Negative

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4
Q

Is Enterobacteriacea catalase positive or negative?

A

Positive

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5
Q

Is Enterobacteriacea oxidase positive or negative?

A

Negative

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6
Q

What is the oxygen requirements of bacteria within the Enterobacteriacea family?

A

Facultative anaerobes

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7
Q

Which of the Enterobacteriacea ferment lactose?

A

E. coli + enterobacter + klebseilla

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8
Q

What are the types of IMViC tests?

A

indole + methyl red + voges-proskauer + citrate

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9
Q

What does the methyl red test show?

A

pH

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10
Q

What does the voges-proskauer show?

A

Fermentation

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11
Q

Which of the Enterobacteriacea are hemolytic (some at least)?

A

E. Coli

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12
Q

Which of the Enterobacteriacea have a swarming growth pattern on agar?

A

Proteus

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13
Q

Which of the Enterobacteriacea are NOT motile?

A

Klebsiella

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14
Q

Which of the Enterobacteriacea do all of them show + in the imdole test?

A

E. Coli

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15
Q

Which of the Enterobacteriacea have negative methyl red tests?

A

Enterobacter + Klebsiella

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16
Q

Which of the Enterobacteriacea show positive voges-proskauers in all strains?

A

Enterobacter + Klebsiella

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17
Q

Which of the Enterobacteriacea produce H2S?

A

Salmonella + Proteus

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18
Q

What are the two species of salmonella?

A

Enterica + Bongori

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19
Q

Where is Salmonella Bongori found?

A

Lizards

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20
Q

What are the three sub-types of Salmonella enterica that are important in vet medicine?

A

Typhimurium + Typhi + Enteriditis

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21
Q

What is the pattern of Salmonella in regards being a food borne pathogen?

A

Only zoonotic caused outbreak since 2007

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22
Q

What are most salmonella outbreaks linked to?

A

Poultry

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23
Q

How long can Salmonella live in the environment, if under the right conditions?

A

more then two years

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24
Q

Where does a lot of the food borne Salmonella come from, other then poultry?

A

Composted manure

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25
Where does Salmonella tend to infect the most?
Intestines
26
What allows Salmonella to be eatten but still survive?
Acid tolerance response | acid shock proteins along with protecting in food and lipids
27
What cell type can kill Salmonella?
Neutrophils
28
What cell type can Salmonella grow in?
Macrophages
29
What does Salmonella do to attach to host cells?
Fimbrial attachement | via T3SS causes the host cell to remodel actin and take in the bacteria (cellular ruffling)
30
What does the salmonella do to the balance within the cell?
Disruption of ion balance | Inflammation + Fluid/ion balance disruption = diarrhea
31
What causes healthy adults to get salmonellosis?
STRESS
32
With dogs, horses, and cats what is important to note about salmonella even if it does not make them sick?
They can be asymptomatic carriers
33
What occurs with dogs and cats when they get Salmonellosis?
Acute diarrhea | +/- septicemia
34
When horses get Salmonellosis what is commonly seen?
Acute enteritis | +/- septicemia
35
What S. enterica types cause problems in horses?
Typhimurium Enteriditis Anatum Newport
36
When is Salmonellosis seen in horses?
Post-surgery or Transport | Newborns
37
What are the three Salmonella types that affect cattle?
Dublin Enteriditis Typhimurium
38
What are the salmonella species that cause enterocolitis in cattle?
Enteriditis + Typhimurium
39
What does S. Dublin do in cattle, that is different then most presentations ?
Dry gangrene + Bone lesions in calves Along with - osteomyelitis w/ spinal compression Drop in milk production
40
What other symptoms do you see in cattle with S. Dublin?
Diarrhea + Fever + Depression + Abortion + Dehydration
41
What are the salmonella strains that affect poultry?
Pullorum Gallinarum Enteriditis Arizonae
42
What are the three major diseases that Salmonella cause in poultry?
Fowl typhoid Pullorum disease Arizonsis
43
What Salmonella species causes Fowl typhoid?
S. Gallinarum
44
What does S. Pullorum do in poultry?
Infects ovaries then transmitted to the eggs
45
What does Pullorum disease look like?
Bacillary white diarrhea | Huddle in heat + anorexic + poor feathering + high mortality
46
When does Pullorum disease begin to show up in poultry?
47
What does S. Gallinarum do in poultry?
Infects ovaries then transmitted to the eggs | Causes fowl thyphoid
48
How does fowl thyphoid present in poultry?
Septiceamia in adults with sudden death | ~ Pollurum in youngs birds
49
What does S. enteriditis do in poultry?
Infect ovaries and is transmitted to the eggs
50
What bird does S. Arizonae infect most?
Turkeys
51
What symptoms are seen with Arizonsis?
Death in young birds | Anorexia + Diarrhea + Paralysis + Blindness + Reduced egg production
52
What is the common resevoir for S. Arizonsis?
Snakes
53
What are the types of Salmonella that affect swine?
Choleraesuis Enteriditis Typhimurium
54
What are the Salmonella species that cause enteritis in swine?
Enteriditis + Typhmurium
55
What does S. Choleraesuis cause in swine?
Enterocolitis + Septicemia | Cyanosis is seen as well = systemic
56
What are the salmonella species that affect sheep?
Brandenburg Dublin Enteriditis Typhimurium
57
What are the types of Salmonella that cause enteritis in sheep?
Enteriditis + Typhmurium
58
What does S. Dublin cause in sheep?
Enterocolitis + Septicemia
59
What does S. Brandenburg do in sheep?
Abortions
60
What kind of reporting is involved in Salmonella?
Foodborne Outbreak report tracing
61
What are the characteristics present within the Salmonella genera?
``` Motile Methyl red Citrate H2S producer Lysine Decarboxylase ```
62
What does Salmonella look like on an XLD plate?
Colonies with black within the center
63
What does a TSI test from Salmonella look like?
red slant yellow butt sulfide +
64
What does Salmonella look like on a MacConkey agar?
Growth, but no lactose fermentation
65
What can MacConkey help you differentiate Salmonella from?
E. Coli
66
How are companion animals with Salmonellosis treated?
FLUDS | Glucocorticoids to prevent shock
67
How are cattle and swine treated for Salmonellosis?
FLUIDS | Severe cases Antibiotics
68
How are poultry treated for Salmonellosis?
Antibiotics
69
What animals have a Salmonella vaccine?
Poultry + Cattle + Swine
70
What kind of vaccine type is the Cattle salmonella vaccine?
Bacterial extract + live inactivated
71
What kind of vaccine type is the Poultry salmonella vaccine?
Live inactivated + Modified live + Combos
72
What kind of vaccine type is the Swine salmonella vaccine?
Line inactivated

Bacteriology (28 decks)

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