Introduction The genus Klebsiella is from the surname of German-Swiss microbiologist Edwin Klebs (1834–1913). Klebsiella is a member of the family,…
Introduction of E. coli Escherichia coli is a member of the family, Enterobacteriaceae and it is a Gram-negative, aerobe, and facultative…
Introduction of Serratia marcescens Serratia is a member of the family, Enterobacteriaceae and it is a Gram-negative, facultatively anaerobic, rod-shaped lacking spore and…
Introduction of Hafnia alvei Hafnia alvei is a members of the Enterobacteriaceae and it is inhabited in our gastrointestinal tract…
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…
Introduction of Haemophilus The genus Haemophilus is a pleomorphic Gram-negative coccobacilli fastidious bacteria and thus they do not grow on an ordinary medium like…
Introduction of Staphylococcus and Micrococcus Staphylococcus (pleural-staphylococci) is spherical, non-motile, gram-positive in singles, pairs, and clusters. On nutrient agar, growth…
Introduction of Streptococcus pneumoniae and Viridans streptococci Streptococcus pneumoniae is also called pneumococcus and pneumococcus is the commensals of the…
Introduction of Amoebic dysentery and Bacillary dysentery Amoebic dysentery or amoebiasis is an intestinal infection caused by a unicellular (protozoan)…