Wednesday, July 21, 2010

What are 3 examples of the bacteria spirillum?

For a science project i cant find any examples of spirillum!! please help!!

What are 3 examples of the bacteria spirillum?
Most of the family Treponemataceae are parasitic, and many of them are pathogenic (cause disease) in humans or animals. The family includes three genera: Borrelia, Treponema, and Leptospira.





Borrelia have the shape of delicate, spiral filaments, 10 to 20 microns in length, with fairly regular coils. They can be cultivated in a laboratory and stain readily with aniline dyes but are best seen under a dark-field microscope. Some Borrelia species are saprophytic and apparently harmless. Borrelia vincenti, together with a fusiform bacillus, Fusobacterium dentium, is responsible for the ulcerative disease of the mouth known as Vincent's gingivitis or trench mouth. Several species of Borrelia are transmitted through the bites of body lice and ticks and cause relapsing fever, in which the patient suffers repeated bouts of fever and chills. In 1983 the spirochete Borrelia burgdorferi was identified as the causative agent of Lyme disease, which is transmitted by deer ticks.

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