Erysipelothrix & Corynebacterium (Exam 5) Flashcards
Erysipelothrix rhusiopathiae is a gram (negative/positive) (spore/non-spore) forming _________.
gram-positive non-spore forming rod
Erysipelothrix rhusiopathiae is filamentous and (motile/non-motile).
non-motile
Erypsipelothrix is (alpha/beta) hemolytic.
alpha (initial greening)
What is the oxygen requirement for Erysipelothrix rhusiopathiae?
facultative anaerobe
Erypsipelothrix is facultative intracellular during disease of _______ and _______.
swine
poultry
(T/F) Erysipelothrix rhusiopathiae is fermentative.
True
Erysipelothrix rhisiopathiae produces _______ during fermentation which reacts with iron to produce a “stab line”.
hydrogen sulfide
Erysipelothrix has multiple serotypes based on:
peptidoglycans
Which serotypes of Erysipelothrix are most common in the US in swine?
serotypes 1 & 2
Erysipelothrix Serotype 1 is associated with ________ and Serotype 2 is assoicated with _________.
- septicemia
- chronic arthritis
Erysipelothrix can be caused by an endogenous source, where ________ can induce disease.
stress
When septicemia occurs with Erysipelothrix, large numbers are shed in what 4 locations?
urine, vomit, feces, saliva
Erysipelothrix survives in ________ and the environment for long periods.
intestines
Erysipelothrix survives in ________ and inhibit their oxidative burst.
macrophages
Erypsipelothrix procudes ________ which are anti-phagocytic and allow for survival in macrophages.
capsules
Erysipelothrix uses _______ surface antigen and _______ as adherence factors.
SpaA
adhesin
Swine Erysipelas can present 4 ways:
- acute septicemia
- subacute septicemia
- chronic form
- abortion
Which form of Swine Erysipelas causes “Diamond Skin Disease”?
subacute septicemia
Acute septicemia due to Swine Erysipelas causes widespread ___________, enlarged _______, and increased _______ fluid.
petechia/ecchymoses
spleen
joint
Subacute septicemia due to Swine Erysipelas cause Diamond Skin Disease with which 2 clinical signs 2-3 days post infection?
- arthritis
- raised hemorrhage lesions
The chronic form of Swine Erysipelas presents as _______ or vegetative ________.
arthritis
endocarditis
Abortion due to Swine Erysipelas occurs in (early/late) pregnancy.
late
List the 3 overall clinical signs of Swine Erysipelas.
septicemia, arthritis, skin lesions
Erysipelothrix survives in the ________ of immune pigs, allowing them to become asymptomatic, chronic shedders.
intestine
All fowl can become infected with Erysipelothrix rhusiopathiae but _______ develop the most serious disease.
turkeys
Fowl Erysipelas is possibly spread from _______.
sheep
What is the main presentation of Fowl Erysipelas?
septicemia
List 3 clinical signs seen with septicemia caused by Fowl Erysipelas.
- cyanotic comb/snood
- diarrhea
- enlarged liver/spleen
(T/F) Human Erysipelas is caused by Erysipelothrix rhisiopathiae.
False! (Erysipeloid)
In humans, Erysipelothrix is a(n) ________ _________.
occupational hazard
(T/F) Humans develop a suppurative Erysipeloid infection.
False (non-suppurative)
Which 2 NON-domestic species can develop acute septicemia or chronic joint & skin lesions due to Erysipelothrix infection?
Cetaceans
Pinnipeds
Corynebacterium is a gram (negative/positive) irregular, _______-shaped rod.
gram-positive
club
Corynebacterium is (motile/nonmotile) and (sporulating/nonsporulating).
non-motile
non-sporulating
Corynebacterium _________ infects horses, goats and sheep.
C. pseudotuberculosis
Corynebacterium pseudotuberculosis is made up of 2 ________, one which infects horses and the other which infects small ruminants.
biovars
Biovar equi of Corynebacterium pseudotuberculosis causes _________ in horses, signified by a large pectoral abscess.
Pigeon Fever
In addition to Pigeon Fever, C. pseudotuberculosis in horses can cause high mortality due to internal infections OR _________ _______ which enters via skin wounds and causes abscesses in the lymphatics system.
ulcerative lymphangitis
Lancing and ________ to facilitate abscess rupture are used to treat Corynebacterium pseudotuberculosis in horses.
hot packs
(T/F) Corynebacterium vaccines are available for high risk horses.
False (no vaccine)
Corynebacterium pseudotuberculosis biovar ovis causes __________ ________ in sheep and goats.
Caseous Lymphadenitis
Caseous Lymphadenitis of sheep & goats occur externally in (sheep/goats) and internally in (sheep/goats).
goats
sheep
What characteristic appearance is often seen with Caseous Lymphadenitis?
onion-ring
Which species of Corynebacterium infects cattle?
C. renale
Which two diseases/syndromes does Corynebacterium renale cause in cattle?
- Contagious Bovine Pyelonephritis
- Cystitis
(T/F) Corynebacterium renale causes ascending UTI, uremia, and death in cattle.
True
Corynebacterium renale causes (high/low) morbidity and (high/low) mortality in cattle.
low; high
