Escherichia
Escherichia
Escherichia (pronunciation: /ɛʃəˈrɪkiə/) is a genus of Gram-negative, non-spore-forming, facultatively anaerobic, rod-shaped bacteria from the family Enterobacteriaceae. The genus is named after Theodor Escherich, a German-Austrian pediatrician and bacteriologist who discovered the Escherichia coli species.
Etymology
The name Escherichia is derived from the name of its discoverer, Theodor Escherich. The suffix "-ia" is a common ending in taxonomy, used to denote a genus or species.
Related Terms
- Escherichia coli: The most well-known and extensively studied species in the genus Escherichia. It is a common part of the gut flora in humans and other warm-blooded animals.
- Enterobacteriaceae: The family of Gram-negative bacteria that includes the genus Escherichia. Other notable genera in this family include Salmonella, Shigella, and Yersinia.
- Gram-negative bacteria: A group of bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. Escherichia is a member of this group.
- Facultatively anaerobic: Organisms that can make ATP by aerobic respiration if oxygen is present, but are capable of switching to fermentation or anaerobic respiration if oxygen is absent. Escherichia is facultatively anaerobic.
- Rod-shaped bacteria: Bacteria that have a cylindrical shape. This is one of the many shapes that bacteria can have, and it is the shape of the bacteria in the genus Escherichia.
External links
- Medical encyclopedia article on Escherichia
- Wikipedia's article - Escherichia
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