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General Characteristics of Gram Negative Bacteria

General Characteristics of Gram Negative Bacteria

Cell Structure of Gram Negative Bacteria

Diseases caused by Gram Negative Bacteria

Gram negative bacteria are the genus of bacteria family and a member of the phylum Firmicutes. They are the group of aerobic bacteria which does not retain the crystal violet dye during the procedure of Gram staining and appear pink in colour when examined under the microscope.

There are several gram negative bacteria with medical significance. The most important of these are members of the family Enterobacteriaceae. Further genera of Gram negative bacteria include  Vibrio ,  Campylobacter ,  Pseudomonas , and other bacteria which are normally found in the  gastrointestinal tract .

The gram negative bacteria have the following characteristics:

The diseases caused by gram negative bacteria are diarrhoea, inflammatory disease of the large intestine, infantile diarrhoea, kidney damage, typhoid fever, bubonic plague, cholera etc.

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