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The major difference between aerobic and anaerobic bacteria is that aerobic bacteria grow in presence of oxygen whereas anaerobic bacteria grow in absence of oxygen.
8 Ιαν 2018 · The main difference between aerobic and anaerobic bacteria is that anaerobic bacteria use molecular oxygen as the final electron acceptor in the electron transport chain whereas anaerobic bacteria use other molecules or compounds as the final electron acceptor.
The aerobic bacteria ensure completely optimal conditions such as redox, electron donors (normally H 2), and competing electron acceptors (e.g., nitrate, sulfate) for anaerobic bacteria to function. Conversely, anaerobic bacteria generate reduced substrates for aerobic bacteria.
Successfully grow bacteria in aerobic and anaerobic conditions and interpet the results. Bacteria can differ dramatically in their ability to utilize oxygen (O 2).
Multiplication of aerobic or facultative organisms in association with anaerobes in infected tissue also diminishes oxygen concentration and develops a habitat that supports growth of anaerobic bacteria.
The reduction of fumarate catalyzed by the enzyme fumarate reductase can be an important energy transduction pathway in anaerobic bacteria . In facultative anaerobes, the enzyme is specifically induced by low oxygen tensions and in E. coli this is mediated by the global regulator Fnr.
21 Απρ 2024 · It is not unusual to see mixed bacterial infections in which the facultative anaerobes use up the oxygen, creating an environment for the obligate anaerobes to flourish. Examples of aerotolerant anaerobes include lactobacilli and streptococci, both found in the oral microbiota.
