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Enterobacteriaceae I
Lecture 1
Question | Answer |
---|---|
Enterobacteriaceae Characteristics | Gram(-) bacilli / non spore forming / ferment glucose with production of acid and gas / if motile are so by peritrichous flagella (Shigella and Klebsiella are nonmotile) / cytochrome oxidase (-) / catalase (+) / able to reduce nitrates to nitrite |
Enteric Bacilli | organisms of the family Enterobacteriaceae as well as Gram NEG. vibrios |
Opportunistic Pathogens | normal flora but wrong location or over-abundance / e.g. E. coli, Klebsiella |
Frank Pathogens | presence in ANY amount is considered indicative of disease / e.g. Salmonella, Shigella |
Escherichia (Disease) | UTIs, gastroenteritis, meningitis, septicemia, hemorrhagic colitis (EHEC) |
Shigella (Disease) | Bacillary dysentery |
Salmonella (Disease) | Gastroenteritis, septicemia, enteric fevers (typhoid) |
Klebsiella (Disease) | Pneumomia, UTIs |
Yersinia (Disease) | Gastroenteritis, plague, zoonotic infection |