Brucella, Francisella, Taylorella Flashcards

1
Q

Brucella Characteristics

A
Non-motile
Coccobacilli
Obligate symbiotic and pathogenic
Facultative intracellular
REPORTABLE
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2
Q

Brucella is spread mainly by

A

Females

Abortions - fetus, placenta have large amount of bacteria

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3
Q

B. Abortus - Species and Cause

A

Cattle

Abortions

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4
Q

B. Abortus - Pathogenesis

A

Mucosa/oral/skin –> lymph nodes –> target organ

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5
Q

B. Abortus - Target Organs

A

Repro organs - uterus, fetus, udder
Articulations
Tendon sheaths
Synovial bursa

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6
Q

B. Abortus - Virulence Factors

A

Cell Wall - Smooth colonies - increased virulence

Cell Wall - Rough colonies - less virulent - lacks O-polysaccharide

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7
Q

B. Abortus - Vaccinations

A

Needed for humoral and cellular immunity

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8
Q

B. Abortus - Diagnosis

A

ELISA
SAW/SAT
Rose bengal test

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9
Q

B. Suis is resistnat in environment but can’t stand what

A

Sunlight

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10
Q

B. Suis - Biovars (5)

A
1 - reservoir in hares
2 - hares
3- pigs (most pathogenic)
4 - reindeer and caribou
5 - mice (less pathogenic)
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11
Q

B. Suis - Symptoms

A
Abortion, Orchitis, infertility
Arthritis
Tendovaginitis
Bursitis
Osteomyelitis
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12
Q

B. Suis - Zoonotic? More or less pathogenic than Abortus?

A

Yes Zoonotic

More Pathogenic

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13
Q

B. Suis - Acute Infection

A

Fluctuating body temp
Sweating and chills
Malaise
Joint Pain

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14
Q

B. Suis - Chronic

A

Localization

Necrosis and pus

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15
Q

B. Suis - Pathogenesis

A

Skin and mucous membranes

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16
Q

B. Melitensis

A

Similar to Abortus but in sheep and goats

Zoonotic and more pathogenic

17
Q

B. Canis Characteristics

A

Does not have O antigen
Obligate parasitic
Zoonotic

18
Q

B. Canis Symptoms

A
NO FEVER
lymphadenitis
Late abortion
Vaginal discharge
Epididymitis
Scrotum dermatitis
Atrophia testicularis
STD
19
Q

Francisella Characteristics

A
Pleomorphic
non-motile
Obligate aerobic
Fast growth
REPORTABLE
20
Q

F. Tularensis - Reservoir

A

Infected lagomorphs
Rodents
Amoeba

21
Q

F. Tularensis - Transmission

A

Ticks, mozzie and flies
contaminated water
ingestion

22
Q

F. Tularensis - Virulence

A

Capsule

Endotoxin

23
Q

F. Tularensis - Pathogenesis

A

Primary pathogen of lagomorphs and rodents

Almost systemic – multi organ failure

24
Q

F. Tularensis - Symptoms in animal

A

Rarely seen

Liver, spleen, lungs

25
Q

F. Tularensis - Symptoms in People

A
Ulceroglandular lesions
Conjunctivitis
Pharyngitis
Pneumonia
Typhoid
26
Q

F. Tularensis - Diagnosis

A

BSL3
Serology
PCR

27
Q

Taylorella Equingenitalis Characteristics

A

Non-motile
Coccobacillus
Facultative anaerobic
REPORTABLE

28
Q

Taylorella Equingenitalis Effect in Males

A

None

29
Q

Taylorella Equingenitalis Effect in Females

A
CEM
Acute suppurative
Self limiting
Temporarily sterile
Highly contagious
Become asymptomatic carriers
30
Q

Taylorella Equingenitalis Sampling in Stallion

A

Preputium
Urethra
Fossa Glandis
Sinus urethralis

31
Q

Taylorella Equingenitalis Sampling in Mare

A

Fossa clitoridis

Sinus clitoridis