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6 Cards in this Set

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what characteristics are in common with all actinomycetes and what bacs are found in this family?
diverse group of rod shaped gram pos lineage orgs that have differing means of respiration. arcanobacterium, actinomyces, corynebacterium, mycobacterium, nocardia, rhodococcus, tropheryma, propionibacterium, streptomyces
describe nocardia in terms of bacterial properties and diseases caused.
it is partially acid fast due to mycolic acid, but it is not considered acid fast, aerobic. Causes lung disease esp in immunocompromised patients, cutaneous infections (feet is known as mycetoma), can spread to CNS and form brain abscess. diagnose via AFB in lesions, is considered opportunistic. treat with sulfonamides
describe rhodococcus in terms of diseases caused and bacerial properties.
causes invasive pulmonary disease in immunocompromised, is opportunistic and partially acid fast (thats how you diagnose it) common in HIV patients
describe tropheryma whipplei in terms of disease and bac properties.
causes whipple's disease, a chronic and systemic bacterial infection resultin in arthralgia, diarrhea, weight loss, intestinal involvement, hyperpigmentation, and CNS involvement. usually affects middle aged men. diagnose with PCR. It is a human specefic pathogen and an opportunist
what org causes allergic pneumonitis AKA farmer's lung and is opportunistic?
Thermophilic actinomycetes
describe the disease caused by Arcanobacterium haemolyticum.
causes pharyngitis in adolescents and young adults; clinically presents like group A strep. disease of contact, erthromycin and penicillin treat it, note that these drugs also cover group A strep