Klebsiella, Enterobacter and Escherichia coli on EMB Agar
Klebsiella Characteristic mucoid colonies are a consequence of the organism’s abundant polysaccharide capsule. Lactose-fermenting colonies
Escherichia coli colonies Lactose-fermenting ...
E. coli and a non-lactose fermentation
MacConkey agar inoculated with lactose-fermenting Escherichia coli (at left) and non-lactose-fermenting Proteus (at right). Lactose-fermenting bacteria appear bright pink, while non-lactose-fermenting ...
ONPG Test – ( o-nitrophenyl-β-D-galactoside)
Purpose:
this test is used to demonstrate the presence or absence of the enzyme B-galactosidase using the substrate Ortho-nitrophenyl-D-galactopyranoside in order to differentiate ...
Gram-negative Bacilli of Klebsiella pneumoniae
Klebsiella pneumoniae is a Gram-negative, non-motile, encapsulated, lactose fermenting, facultative anaerobic, rod shaped bacterium found in the normal flora of the mouth, skin, and ...
