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University of the Pacific

Theses/Dissertations

1984

Enterobacteriaceae

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Studies On The Biochemical And Antibiotic Patterns Of The Genus Citrobacter, Craig Richard Tanner Jan 1984

Studies On The Biochemical And Antibiotic Patterns Of The Genus Citrobacter, Craig Richard Tanner

University of the Pacific Theses and Dissertations

Today three species are recognized in the genus: C. freundii, C. amalonaticus, and C, diversus. C. freundii is known to occur as three varieties: C. freundii H2S +, IND -, C. freundii H2S +, IND +, and C. freundii H2S -, IND -.

The role of Citrobacter in disease has not been investigated thoroughly. The organism is a normal inhabitant of the human intestine, being as common as Escherichia coli in infants. With age, the child's intestine begins to show a greater ratio of E. coli to Citrobacter (Nahhas, personal communication). Citrobacter has been …