Mycoplasmas of Rodents, Horses, Dogs and Cats, and Humans Flashcards
What Mycoplasmas are associated with rodents?
Mycoplasma pulmonis
What does Mycoplasma pulmonis cause in rodents?
severe chronic pneumonia, genital infections in rats and mice, chronic polyarthritis, and reproductive problems
Generally what do Mycoplasmas cause in horses?
abortion, reproductive tract infections, and respiratory tract infections
What has Mycoplasma felis been implicated in causing in foals?
pleuritis
What can Mycoplasma cynos be the cause of?
pneumonia in dogs
What is Mycoplasma felis associated with in cats?
conjunctivitis
Where are Mycoplasma haemofelis located?
on the surface of erythrocytes
What subgroup does Mycoplasma haemofelis belong in?
hemoplasma
What does Mycoplasma haemofelis cause?
feline infectious anemia
true or false: Mycoplasma haemofelis produces disease in dogs and cats.
false fam, only in cats
What cats are more prone to infection from Mycoplasma haemofelis?
cats with feline leukemia virus, immunosuppressed cats, and splenectomized cats
How is Mycoplasma haemofelis transmitted?
via blood-sucking arthropods (primary), intrauterine transmission, blood fusions, and cat fights
What are the stages of pathogenesis of Mycoplasma haemofelis?
preparasitemic, acute, recovery, and carrier
What is the anemia in an acute Mycoplasma haemofelis caused by?
splenic erythrophagocytosis
Without therapy, what percentage of cats die that are infected with Mycoplasma haemofelis?
33 percent
After recovery, can cats get rid of Mycoplasma haemofelis?
nope
At what age is peak incidence of Mycoplasma haemofelis?
between 4-6 years of age
What are the common clinical signs of Mycoplasma haemofelis?
depression, weakness, anorexia, weight loss, and pale mucous membranes
What treatments are available for Mycoplasma haemofelis?
blood transfusions in severely anemic cats, doxycycline, enroflocin, and corticosteroids
What species does Mycoplasma haemocanis infect?
dogs
What clinical signs are associated with Mycoplasma haemocanis?
none
How is Mycoplasma haemocanis transmitted?
the brown dog tick
What clinical disease is caused by Mycoplasma haemocanis?
anemia
What dogs are susceptible to infection by Mycoplasma haemocanis?
splenectomized dogs, or in dogs with concurrent infection with eschericia, other bacteria, babesia, or viruses
What are the common Mycoplasmas that infect humans?
Mycoplasma pneumoniae, ureaplasma urealyticum, and Mycoplasma fermentans
Generally, what is Mycoplasma pneumoniae a cause of in humans?
primary atypical pneumonia
What virulence factors does Mycoplasma pneumoniae have?
P1 antigen and cell fusion
The level of _______ is associated with the severity of Mycoplasma pneumonia disease.
hypersensitivity
What is the most common clinical syndrome associated with Mycoplasma pneumoniae?
tracheobronchitis
What other clinical syndrome can develop as a cause of Mycoplasma pneumoniae but is indistinguishable from this syndrome caused by other viruses?
pharyngitis
About 1/3 of individuals develop ________ as a result of a Mycoplasma pneumoniae infection.
pneumonia
How is Mycoplama pneumonia treated?
Macrolides
What does Ureaplasma urealyticum cause?
non-gonococcal urethritis in human males
What is the most common mycoplasma involved in disease in AIDs patients?
Mycoplasma fermentans
