Flashcards in Moraxella Deck (16)
T/F There's like 13 of these damn species we need to know of as vets
FALSE! Only 1! Moraxella bovis biotch
Moraxella bovis causes ______
infectious bovine keratoconjunctivitis
T/F While we really only care about Moraxella bovis, Moraxella bovoculi and ovis have also been demonstrated to show infection via Koch's postulates
FALSE AGAIN; Moraxella bovis is the only one
One of Moraxella bovis unique features is that it is a strict _______ so it won't advance past the _______
The fimbriae of Moraxella bovis attach where?
What are some toxins of Moraxella bovis? What do they do?
Cytotoxin: RTX that lyses corneal epithelium cells and neutrophils
Hemolysin: this is directly related to virulence
Enzymes: break down junction between corneal epithelium and cause inflammation
What are some of the enzymes Moraxella bovis uses?
HE SAID SOMETHING ABOUT KNOWING 1/2 OF THESE IDK
T/F Part of the extensive damage done by Moraxella bovis is partially due to the cytotoxin lysing neutrophils, causing their contents to be spilled
Where is Moraxella bovis normally located?
Conjunctiva of the eye of cattle; non-invasive under normal conditions
Infection with Moraxella bovis is common in the ________ months and is often associated with _________
Summer and fall
dust, UV light, and flies
T/F Moraxella bovis initiates IBK after damage to corneal epithelium
FALSE; Mycoplasma bovoculi generally initiates the infection
T/F The lesions caused by Moraxella bovis are pretty harmless
FALSE: HAVE YOU SEEN THESE THINGS?! THEY'RE HORRIBLE
T/F Antibody in the tears are enough to protect against this
WRONG AGAIN; they're pretty weak actually
______ vaccines have been shown to reduce the severity of Moraxella bovis infections
Moraxella ______ has been associated with pinkeye in cattle and sheep but is definitely not the main cause