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2. FNR regulon - Wikipedia

   en.wikipedia.org/wiki/FNR_regulon

   The FNR (defective in fumarate and nitrate reduction) protein of E. coli is an oxygen – responsive transcriptional regulator required for the switch from aerobic to anaerobic metabolism [1]. "Type III mutants, originally frdB , were designated fnr because they were defective in fumarate and nitrate reduction and impaired in their ability to ...

3. Primary nutritional groups - Wikipedia

   en.wikipedia.org/wiki/Primary_nutritional_groups

   The terms aerobic respiration, anaerobic respiration and fermentation (substrate-level phosphorylation) do not refer to primary nutritional groups, but simply reflect the different use of possible electron acceptors in particular organisms, such as O 2 in aerobic respiration, or nitrate (NO − 3), sulfate (SO 2−

4. Cellular waste product - Wikipedia

   en.wikipedia.org/wiki/Cellular_waste_product

   Whereas in aerobic respiration the oxidant is always oxygen, in anaerobic respiration it varies. Each oxidant produces a different waste product, such as nitrite, succinate, sulfide, methane, and acetate. Anaerobic respiration is correspondingly less efficient than aerobic respiration.

5. Aerobic denitrification - Wikipedia

   en.wikipedia.org/wiki/Aerobic_denitrification

   Aerobic denitrification, or co-respiration, the simultaneous use of both oxygen (O 2) and nitrate (NO − 3) as oxidizing agents, performed by various genera of microorganisms. [1] This process differs from anaerobic denitrification not only in its insensitivity to the presence of oxygen, but also in its higher potential to form nitrous oxide ...

6. Cellular respiration - Wikipedia

   en.wikipedia.org/wiki/Cellular_respiration

   Cellular respiration is a vital process that occurs in the cells of all [[plants and some bacteria ]]. [2] [better source needed] Respiration can be either aerobic, requiring oxygen, or anaerobic; some organisms can switch between aerobic and anaerobic respiration. [3] [better source needed]

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