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Energy metabolism aerobic

Komuniecki, R. and Komuniecki, P.R. (1995) Aerobic-anaerobic transitions in energy metabolism during the development of the parasitic nematode Ascaris suum. In Boothroyd, J.C. and Komuniecki, R. (eds) Molecular Approaches to Parasitolog. Wiley-Liss, New York, pp. 109-121. [Pg.289]

Inactivates bacterial ribosomal proteins leading to a loss of vital processes of synthesizing proteins, DNA, RNA, and cell wall. Also leads to the loss of aerobic energy metabolism. It has been around since the 1950s without serious emergence of resistance because of its broad-based range of modes of action. [Pg.36]

Peripheral artery disease (PAD) patients usually feel leg pain when walking, which is caused by insufficient blood flow to keep up with energy demand. The P MRS data collected in a PAD patient group showed prolonged PCr recovery rate (or time constants) in the calf muscle after exhaustive exercise, suggesting the transition from anaerobic to aerobic energy metabolism is delayed due to impaired oxygen supply or mitochondria fimction caused by atherosclerosis. ... [Pg.139]

Wyss, M. Smeitink, J. Wevers, R.A. Wallimann, T. Mitochondrial creatine kinase a key enzyme of aerobic energy metabolism. Biochim. Biophys. Acta, 1102, 119-166 (1992)... [Pg.379]

A. Glycolysis shown as one of the essential pathways of energy metabolism. B. Reactions of aerobic glycolysis. C. Reactions of anaerobic glycolysis. [Pg.94]

Fig. 2. An evolution diagram illustrating a suggestion of common ancestry of some present-day organisms. The essential features of present-day photosynthesis may have originated in the prebiotic era and is preserved in its most primitive form in (at least some) present-day phototrophs. The heterotrophs may have developed parallel with the aerobic nonphotosynthetic bacteria, some l to 1.5 x 109 years after the emergence of the cyanobacteria. The eukaryotic photosynthetic organisms developed much later, perhaps some 1.5 to 0.5 x 109 years ago. The archaebacteria are primitive organisms that seem to have no evolutionary relation with the present prokaryotes.21 Little is known about their energy metabolism. Tentatively, they are considered as a very early form of cellular life. Fig. 2. An evolution diagram illustrating a suggestion of common ancestry of some present-day organisms. The essential features of present-day photosynthesis may have originated in the prebiotic era and is preserved in its most primitive form in (at least some) present-day phototrophs. The heterotrophs may have developed parallel with the aerobic nonphotosynthetic bacteria, some l to 1.5 x 109 years after the emergence of the cyanobacteria. The eukaryotic photosynthetic organisms developed much later, perhaps some 1.5 to 0.5 x 109 years ago. The archaebacteria are primitive organisms that seem to have no evolutionary relation with the present prokaryotes.21 Little is known about their energy metabolism. Tentatively, they are considered as a very early form of cellular life.
In eukaryotes, most of the reactions of aerobic energy metabolism occur in mitochondria. An inner membrane separates the mitochondrion into two spaces the internal matrix space and the intermembrane space. An electron-transport system in the inner membrane oxidizes NADH and succinate at the expense of 02, generating ATP in the process. The operation of the respiratory chain and its coupling to ATP synthesis can be summarized as follows ... [Pg.327]

Emeretli (1990) demonstrated a convincing link between the activity of succinic dehydrogenase in the red muscle mitochondria of Black Sea species and their motor activity. This enzyme is one of the most important in the Krebs cycle, which controls the intensity of aerobic energy metabolism. [Pg.61]

There are also changes in the rates of metabolism as red blood cells appear and aerobic processes intensify (Lasker and Theilacker, 1962 Laurence, 1975 Timeyko and Novikov, 1991) during the early phases of ontogenesis. Oxygen consumption increases, as do the number of mitochondria and their protein contents (Abramova and Vasilyeva, 1973 Ozemyuk, 1993). The adenyl nucleotide pool (ATP and ADP) decreases (Milman and Yurovitsky, 1973 Boulekbache, 1981), while the activity of cytochrome oxidase increases (Ozemyuk, 1993). The increased energy metabolism corresponds to a considerable extent with motor activity (Reznichenko, 1980). In the yolk sac, the activity of proteinase, which supplies nitrogenous materials to the embryo, increases, as does the rate of amino acid incorporation into the body proteins. [Pg.94]

Brain function is dependent upon ready availability of energy by aerobic metabolism. This energy is provided by aerobic glycolysis, the breakdown of glucose blood sugar to pyruvic acid with 02 as an electron acceptor. Therefore, brain cells and other nerve cells are highly susceptible to interruptions in the supply of either 02 or blood glucose. [Pg.218]


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