Biochemstry Notes

Enterobacter cloacae: Introduction, Identification Features, Keynotes, and Enterobacter Footages

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Encapsulated strain of Enterobacter aerogenes on MacConkey medium

Introduction of Enterobacter cloacae Enterobacter cloacae is a facultative anaerobic Gram-negative bacterium of size 0.3-0.6 x 0.8-2.0 μm. It is lacking capsule and spore and it is motile due to flagella which is a member of the Enterobacteriaceae family. E. cloacae is the normal gut …

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Shigella flexneri: Introduction, Identification Features, Keynotes, and Shigella Footages

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Shigella boydii colony morphology on XLD agar

Introduction of Shigella flexneri Shigella are Gram-negative bacilli measuring about 1-3 µm X 0.5 µm. They are non-motile, non-encapsulated, non-sporing, and non-acid-fast bacteria belonging to the family Enterobacteriaceae. They cause an infectious disease called Shigellosis. There are four species or serogroups based on biochemical and …

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