Introduction Salmonella Paratyphi (serovar) belongs to Enterobacteriaceae and thus is a Gram-negative bacterium causing mild gastroenteritis to a life-threatening bloodstream…
Fig. Clear Explanation of Exotoxins and Endotoxins Introduction of Exotoxins and Endotoxins Numerous bacteria produce toxins, enzymes, and pigments. Toxins…
Introduction of Salmonella Typhi Salmonella Typhi is a member of the family, Enterobacteriaceae and it is a Gram-negative bacillus, non-sporing,…
Introduction of Enterobacteriaceae The family Enterobacteriaceae was first proposed by Rahn in 1936 and it is a very large group…
Fig. Lactose Fermenter (LF)-Pink colony-Right side and Non-Lactose Fermenter (NLF)-pale or no color change-Left side Gram-Negative Bacteria on MacConkey agar…