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28 Ιουν 2021 · In this Review, we explore the molecular mechanisms by which oxygen impairs anaerobes and the degree to which bacteria protect their metabolic pathways from it.
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The anaerobic system of biological oxidations that does not use oxygen as the final acceptor of electrons is called anaerobic respiration. In anaerobic respiration, compounds such as carbonates, nitrates, and sulfates ultimately are reduced.
31 Οκτ 2023 · anaerobic respiration: A form of respiration using electron acceptors other than oxygen. fermentation : An anaerobic biochemical reaction. When this reaction occurs in yeast, enzymes catalyze the conversion of sugars to alcohol or acetic acid with the evolution of carbon dioxide.
In our research on anaerobic cultivation of yeasts, we identified carry-over of anaerobic growth factors from aerobically grown pre-cultures, frequent use of air locks in anaerobic chambers and oxygen permeation through bioreactor tubing as key points of attention.
1 Ιαν 2012 · Under anaerobic conditions when O 2 is absent, bacteria must adopt alternative means to oxidize the reducing equivalents NADH and generate ATP as aerobic respiration is no longer operated. Chemoorganotrophs utilize anaerobic respiration or fermentation to support their growth and maintain the cellular redox homeostasis under this condition.
Under anaerobic conditions, some microorganisms grow using an ETP process with externally supplied oxidized compounds other than oxygen as the terminal electron acceptor. This type of growth is referred to as anaerobic respiration.
3 Φεβ 2018 · In this mini review, we revisit the much-studied anaerobic fermentation in yeast focusing on the cultivation systems and the role of O 2 in non-respiratory pathways. We illustrate the challenges in mimicking an anaerobic atmosphere in the laboratory and the ways to minimize the leakage of O 2 into the system.
