A widespread genus of gram-negative motile-rod bacteria, some of them can cause moderate GI infections, while several can produce metabolites in food that cause serious toxic reaction when the food is eaten
n. a genus of motile rodlike Gram-negative bacteria that inhabit the intestines of animals and humans and cause disease. They ferment glucose, usually with the formation of gas. The species S. paratyphi causes *paratyphoid fever, and S. typhi causes *typhoid fever. Other species of Salmonella cause *food poisoning, gastroenteritis, and septicaemia.
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