What are the different serotypes of Salmonella?

What are the different serotypes of Salmonella?

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What is the difference between Salmonella typhi and Salmonella typhimurium?

The key difference between Salmonella typhi and Salmonella typhimurium is that Salmonella typhi is a bacterial serotype that causes typhoid fever in humans, while Salmonella typhimurium is a bacterial serotype that causes gastroenteritis in humans.

How is Salmonella divided into serotypes?

For instance, Salmonella bacteria look alike under the microscope but can be separated into many serotypes based on two structures on their surface: The outermost portion of the bacteria’s surface covering, called the O antigen; and. A slender threadlike structure, called the H antigen, that is part of the flagella.

Is Typhi same as Typhimurium?

Salmonella Typhimurium and Salmonella Typhi are closely related. However, there are distinct differences in the type and severity of infectious disease they both cause. This difference in infections is the result of differences in their genetic makeup.

What is the difference between serotype and serovar?

We learned that a serotype is a serologically and antigenically distinct variety of microorganism, like a subgroup of a species of bacteria. Serovar is simply a synonym for serotype.

What is unique about Salmonella typhimurium?

Salmonella enterica serovar Typhimurium is a Gram-negative, facultative anaerobe which causes a systemic infection in mice that resembles typhoid fever caused by S. enterica serovar Typhi in humans. Infection by Salmonella Typhimurium results in a self-limiting gastroenteritis in humans.

What is unique about Salmonella Typhimurium?

What is the difference between Salmonella enteritidis and Salmonella typhi?

While the typhoidal serovars (Typhi and Paratyphi A) are human-restricted and cause enteric fever, non-typhoidal Salmonella serovars (Typhimurium and Enteritidis) have a broad host range and predominantly cause gastroenteritis.

What is Biovar and serovar?

A biovar is a variant prokaryotic strain that differs physiologically or biochemically from other strains in a particular species. Morphovars (or morphotypes) are those strains that differ morphologically. Serovars (or serotypes) are those strains that have antigenic properties that differ from other strains.

What are examples of serovar?

A serotype or serovar is a distinct variation within a species of bacteria or virus or among immune cells of different individuals. These microorganisms, viruses, or cells are classified together based on their surface antigens, allowing the epidemiologic classification of organisms to the subspecies level.

What causes Salmonella enterica serovar Typhimurium?

SUMMARY. Salmonella enterica serovar Typhimurium is a primary enteric pathogen infecting both humans and animals. Infection begins with the ingestion of contaminated food or water so that salmonellae reach the intestinal epithelium and trigger gastrointestinal disease.

What’s the difference between Salmonella enterica and Salmonella bongori?

Salmonella spp. Salmonella are Gram-negative motile bacilli with peritrichous flagella and fall into two species: Salmonella enterica and Salmonella bongori. S. bongori is restricted to cold-blooded animals, whereas S. enterica may infect a variety of warm-blooded animals.