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Genus Salmonella - Biology - Lecture Slides

Slides, Biology

Post: November 22th, 2012
Description
Genus Salmonella, Foodborne Disease, Faculatively Anaerobic, Oxidase Negative, Glucose Fermentative, Generally Motile, Biochemical Characteristics, Lactose Negative, Urease Negative, Heat Resistance describes lecture layout.
Genus Salmonella, Foodborne Disease, Faculatively Anaerobic, Oxidase Negative, Glucose Fermentative, Generally Motile, Biochemical Characteristics, Lactose Negative, Urease Negative, Heat Resistance describes lecture layout.
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Contents
Microorganisms Causing Foodborne Disease Enterobacteriaceae Family Genus Salmonella Family Enterobacteriaceae • Gram-negative • Non-sporeforming rods • Faculatively anaerobic anaerobic • Oxidase negative • Glucose fermentative • Generally motile Peritrichous flagella 1 Docsity.com Salmonella • Named after Dr. D. E. Salmon – First described Salmonella cholerae-suis • Currently only 2 species are recognized – S. bongori – S. enterica enterica • 6 subspecies » enterica » salamae » arizonae » diarizonae » houtenae » Indica Principal biochemical characteristics • Lactose negative • Lysine decarboxylase positive • H2S positive • Urease negative negative • 0.8% of strains can ferment lactose • A few strains do not produce H2S Salmonella • Salmonellae are separated in somatic groups (O antigens) and flagellar types (H antigens) • About 2,400 serovars (or serotypes) have been described have been described • Example of correct nomenclature:..

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