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Is Escherichia coli a facultative anaerobic bacterium?
Is E coli a facultative anaerobe?
Which organisms are facultative anaerobes?
What are examples of facultative anaerobic bacteria?
Feb 4, 2022 · Escherichia coli is a facultative anaerobe, meaning that it can grow in aerobic and anaerobic conditions. It is the most common aerobe in the lower intestine of mammals (Tenaillon et al . 2010 ); however, it typically constitutes only 0.1%–5% of a gut microbial community comprised of over 500 other bacterial species (Tenaillon et al .
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E. coli is a gram-negative, facultative anaerobe, nonsporulating coliform bacterium. Cells are typically rod-shaped, and are about 2.0 μm long and 0.25–1.0 μm in diameter, with a cell volume of 0.6–0.7 μm 3. E. coli stains gram-negative because its cell wall is composed of a thin peptidoglycan layer and an
Jul 6, 2016 · The model organism Escherichia coli is a facultative anaerobic bacterium, i.e. it is able to grow in both aerobic and anaerobic environments. To do so, cells need to be able to adapt to changes of the growth conditions.
- Joachim von Wulffen, RecogNice-Team, Oliver Sawodny, Ronny Feuer
- 10.1371/journal.pone.0158711
- 2016
- PLoS One. 2016; 11(7): e0158711.
Most facultative anaerobes are bacteria. Examples of facultative anaerobic bacteria include Escherichia coli and species of Listeria and Staphylococcus. Examples of other types of organisms that are facultative anaerobes include the yeast Saccharomyces cerevisiae and some polychaetes of the family Nereidae.
- The Editors of Encyclopaedia Britannica
For example, in the absence of oxygen, E. coli can use fumarate, nitrate, nitrite, dimethyl sulfoxide, or trimethylamine oxide as an electron acceptor. This flexibility allows facultative anaerobes to survive in a number of environments, and in environments with frequently changing conditions.
Jun 16, 2022 · Some of the most prevalent examples of a facultative anaerobe include: E. Coli is part of the normal flora of the human body. It particularly resides in the large intestine of vertebrates, including humans. Yeast is the most widely used facultative anaerobes.
Nov 11, 2022 · E. coli is a gram-negative, non-sporulating, rod-shaped, facultative anaerobic, and coliform bacterium pertaining to the genus Escherichia that commonly inhabits the environment, foods, and warm-blooded animals' lower gut [ 2 ]. In the domains of biotechnology and microbiology, it is the most widely studied prokaryotic model organism.
