BSC 431 Lecture Notes - Lecture 20: Hib Vaccine, Adenylyl Cyclase, Necrosis

• School: University of Alabama
• Department: Biological Sciences
• Course: BSC 431
• Professor: Julie Olson

Document Summary

Members of the family pasteurellaceae which includes four genera: Haemophilus are small, gram negative rods found on mucous membranes, can be pleomorphic (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) This type is rarely isolated from healthy individuals. Not really a member of the genus. Haemophilus aegyptius (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Most often grown on chocolate agar (blood added to hot agar) Provides x factor (hemin) and v factor (nad or nadp) Haemophilus species are present in almost all individuals: influenzae. Can attack lungs of persons debilitated w/ viral influenza. 1890 and 1917 epidemics of influenza: commonly cultured from the lungs of influenza patients, scientists wrongly concluded it was the etiologic agent of the. Nonencapsulated haemophilus species colonize the upper respiratory tract w/in months of birth (cid:1) Can spread locally and cause disease in the ears, sinuses, and lower.