Salmonella

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Related to Salmonella enteritidis: Staphylococcal enteritis

Salmonella

[‚sal·mə′nel·ə]
(microbiology)
A genus of gram-negative, facultatively anaerobic bacteria belonging to the family Enterobacteriaceae that cause enteric infections with or without blood invasion. Most species are motile, utilize citrate, decarboxylate ornithine, form gas from glucose, and produce hydrogen sulfide. Salmonellae do not ferment lactose, produce indole, or split urea; the Voges-Proskauer reaction is negative.

Salmonella

 

a genus of nonsporogenous rod-shaped bacteria that are 1–7 μm long and approximately 0.3–0.7 μm wide. It includes gram-negative facultative aerobes, most of which are motile because they are peritrichous. Salmonella was named in honor of the American pathologist D. E. Salmon (1850–1914).

Salmonellas form round grayish white colonies on solid nutrient mediums and an opacity and sediment and sometimes a film when grown in broth. They ferment carbohydrates, including glucose, mannose, xylose, and dextrin, and alcohols, including inositol and dulcite; an acid and sometimes a gas are formed as well.

Salmonellas generally inhabit the intestine of animals and man. Most belong to pathogenic species that produce various antigens, including the thermolabile flagellate H antigen and the O and V antigens, which consist of carbohydrates. There are more than 20 species in the genus, with more than 1,200 serotypes that differ in antigenic structure and biochemical properties. Among salmonellas are the causative agents of typhoid fever and paratyphoid in humans and salmonelloses in humans and animals.

A. A. IMSHENETSKII

References in periodicals archive ?
Isolation and identification of Salmonella Enteritidis and Salmonella Typhimurium from the eggs of retail stores in Mashhad, Iran using conventional culture method and multiplex PCR assay.
All confirmed Salmonella Enteritidis cases had indistinguishable PFGE patterns.
1%) salmonella isolates (4 Salmonella typhimurium, 3 Salmonella Enteritidis and 2 Salmonella Kentucky) exhibited multidrug resistance (resistant to three antibiotics or more).
Characterization of the innate and adaptive immunity to Salmonella enteritidis PT1 infection in four broiler lines.
Phenotypic and genotypic characterization of Salmonella Enteritidis isolates.
Six cases of foodborne infection caused by Salmonella Enteritidis occurred on the island of Tahiti in October 2011, alerting public health authorities to an abnormal increase of these infections in humans.
Pathogenicity of Salmonella enteritidis phage type 1 isolate of Malaysia in 21 day old specific-pathogen-free chickens.
With flexible liming options for administration, SE Guard is easily incorporated into any comprehensive Salmonella enteritidis protection program.
Prevalence of Salmonella enteritidis and other serovars in ovaries of layer hens at time of slaughter.
Salmonella enteritidis isolates from fecal droppings and internal organs also generated a single identical pulsed-field pattern.
The Food and Drug Administration (FDA) announced on 9 July 2012 a regulation expected to prevent about 79,000 cases of foodborne illness and associated deaths each year caused by consumption of eggs contaminated with the bacterium Salmonella enteritidis.

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