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An aerobic organism or aerobe is an organism that can survive and grow in an oxygenated environment. [1] The ability to exhibit aerobic respiration may yield benefits to the aerobic organism, as aerobic respiration yields more energy than anaerobic respiration. [2] Energy production of the cell involves the synthesis of ATP by an enzyme called ...
Among organisms, almost all animals, most fungi, and several bacteria are obligate aerobes. [2] Examples of obligately aerobic bacteria include Mycobacterium tuberculosis , [2] [5] Bacillus (Gram-positive), [2] and Nocardia asteroides (Gram-positive). [2] [6] With the exception of the yeasts, most fungi are obligate aerobes. [1]
The temperature and pH of saliva makes it conducive for bacteria to survive in the oral cavity. Bacteria in the oral cavity include Streptococcus mutans, Porphyromonas gingivalis, and Staphylococcus. [15] S. mutans is the main component of the oral microbiota. [15] A healthy oral microbiome decreases oral infections and promotes a healthy gut ...
A wide variety of microaerobic conditions exist in the world: in human bodies, underwater, etc. Many bacteria from these sources are microaerobes, some of which are also microaerophiles. Some members of Campylobacterales are microaerophilic: Campylobacter species are microaerophilic. [4] [7]
Corynebacterium (/ k ɔː ˈ r aɪ n ə b æ k ˌ t ɪər i ə m,-ˈ r ɪ n-/) is a genus of Gram-positive bacteria and most are aerobic.They are bacilli (rod-shaped), and in some phases of life they are, more specifically, club-shaped, which inspired the genus name (coryneform means "club-shaped").
Bacteria are the largest and to date, best studied component and 99% of gut bacteria come from about 30 or 40 species. [7] About 55% of the dry mass of feces is bacteria. [8] Over 99% of the bacteria in the gut are anaerobes, but in the cecum, aerobic bacteria reach high densities. [5]
Graphic depicting the human skin microbiota, with relative prevalences of various classes of bacteria. The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, [1] [2] including the gastrointestinal tract, skin, mammary glands, seminal fluid, uterus, ovarian follicles, lung ...
Escherichia species normally inhabit the human intestine and those of other warm-blooded animals, and are the most commonly responsible for causing disease in humans. [7] Escherichia coli specifically is the most common organism seen in the human intestine and are known to cause a variety of diseases in humans. [ 9 ]