Salmonella Photograph - Illustration Of Structure Of Salmonella B by John Bavosi

Illustration Of Structure Of Salmonella B is a photograph by John Bavosi which was uploaded on May 8th, 2013.

Illustration Of Structure Of Salmonella B

Illustration of the ultrastructure of a single bacterium of the genus Salmonella. In a procaryotic bacterial cell, the DNA is not organized in a... more

by John Bavosi

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Title

Illustration Of Structure Of Salmonella B

Artist

John Bavosi

Medium

Photograph

Description

Illustration of the ultrastructure of a single bacterium of the genus Salmonella. In a procaryotic bacterial cell, the DNA is not organized in a nucleus but is diffuse; here it appears yellow against the green background of the cytoplasm. Enclosing the cytoplasm is the cell membrane (violet) and the complex cell wall (brown). Toxicity in Salmonella infections is due to endotoxins associated with the outer cell wall. Whip-like flagella project from the inner membrane & shorter pili are rooted in the outer cell wall. The pili facilitate contact with host cells. A polysaccharide capsule (green) forms an outer, protective layer.

Uploaded

May 8th, 2013