Oxidation respiration

Frunzke, K., and Zumft, W. G. (1986). Inhibition of nitrous-oxide respiration by nitric oxide in the denitrifying bacterium Pseudomonas perfectomarina. Biochim. Biophys. Acta 852, 119-125. 

Nitrate respiration combined with nitrite and nitrous oxide respiration... 

Hess DR, Stewart TE, Bigatello LM, Head CA, Roberts JD, Rich JD, Channick JD. Adverse effects and toxicity of inhaled nitric oxide. Respir Care 1999 44 315-30. 

Aerobic respiration, on the other hand, releases CO2 owing to the oxidation of organic matter, and thus, increases the concentration of CO2 in the system. The equilibria of the carbonate buffer system are shifted in the opposite direction and a dissolution of CaCOj results (Fig. 2.1.1, fine arrows). In addition to oxidative respiration, partial degradation (fermen-taton) of organic matter may result in formation of organic acids which also contribute to the dissolution of carbonates. Furthermore, carbonate may be dissolved by the activity of chelating organic compounds, or by the enzyme carbonic anhydrase. 

The build-up of the original, photosynthetically-generated oxygenated atmosphere resulted from an evolutionary lag between the event of photosynthesis and that of the oxidative respiration that followed. Its maintenance, however, throughout the latter eons was essential to keep the organic cycle operative. Because the residence time of O2 in the present atmosphere is relatively short in the geological sense (6000 y Holland,... 

Rates of Oxidative Respiration and Non-Oxidative Fermentation by Yeasts Growing Aerobically in 3% D-Glucose"... 

TRIMETHYLAMINE N OXIDE RESPIRATION OF AEROBIC PHOTOSYNTHETIC BACTERIUM ERYTHROBACTER SP. OCH 114... 

Trimethylamine N Oxide Respiration of Aerobic Photosynthetic Bacterium Erythrobacter... 

Citric acid cycle A cycle of reactions that takes place in the mitochondrial matrix and results in the oxidation of acetyl units to CO2 with the production of reducing equivalents and ATR It is a central pathway in oxidative respiration. Other substrates besides acetyl-Co A can enter the cycle at intermediate points. 

Depending on the state of the cell, either reductive (fermentation) or oxidative (respiration) pathways are active, yielding different final products. 

Assuming that the dark release of CO2 comes from oxidative respiration, continuous O2 measurement should clarify the nature of the CO2 exchange rhythm. Until such experiments have been performed and interpreted, the neutral term CO2 output to refer to the rhythm is probably more appropriate. 

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