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Systemic aging fuels heart failure: Molecular mechanisms and therapeutic avenues
ESC Heart Failure, Volume 12, Issue 2, Page 1059-1080, April 2025.Abstract Systemic aging influences various physiological processes and contributes to structural and functional decline in cardiac tissue. These alterations include an increased incidence of left ventricular hypertrophy, a decline in left ventricular diastolic function, left atrial dilation, atrial fibrillation, myocardial fibrosis and cardiac ...
Zhuyubing Fang +7 more
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Alternative oxidase expression in Neurospora crassa
Fungal Genetics and Biology, 2003When electron flow through the cytochrome-mediated electron transport chain is blocked by inhibitors or mutations, the mitochondria of Neurospora crassa contain a KCN-insensitive alternative oxidase, encoded by the aod-1 gene, that transfers electrons directly from the ubiquinone pool to oxygen.
Frank Nargang
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Regulation of alternative oxidase activity in higher plants
Journal of Bioenergetics and Biomembranes, 1995Plant mitochondria contain two terminal oxidases: cytochrome oxidase and the cyanide-insensitive alternative oxidase. Electron partioning between the two pathways is regulated by the redox poise of the ubiquinone pool and the activation state of the alternative oxidase. The alternative oxidase appears to exist as a dimer which is active in the reduced,
David Day +2 more
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Alternative oxidase in bacteria
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 2023While alternative oxidase (AOX) was discovered in bacteria in 2003, the expression, function, and evolutionary history of this protein in these important organisms is largely unexplored. To date, expression and functional analysis is limited to studies in the Proteobacteria Novosphingobium aromaticivorans and Vibrio fischeri, where AOX likely plays ...
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ALTERNATIVE OXIDASE: From Gene to Function
Annual Review of Plant Physiology and Plant Molecular Biology, 1997▪ Abstract Plants, some fungi, and protists contain a cyanide-resistant, alternative mitochondrial respiratory pathway. This pathway branches at the ubiquinone pool and consists of an alternative oxidase encoded by the nuclear gene Aox1. Alternative pathway respiration is only linked to proton translocation at Complex 1 (NADH dehydrogenase ...
Greg C., Vanlerberghe, Lee, McIntosh
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Alternative Oxidase Is Positive for Plant Performance
Trends in Plant Science, 2018The alternative pathway of mitochondrial electron transport, which terminates in the alternative oxidase (AOX), uncouples oxidation of substrate from mitochondrial ATP production, yet plant performance is improved under adverse growth conditions. AOX is regulated at different levels.
Jennifer, Selinski +3 more
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The alternative oxidase of Candida parapsilosis
European Journal of Biochemistry, 1986The yeast Candida parapsilosis is able to grow on a glycerol medium, supplemented with antimycin A, due to a secondary mitochondrial pathway, able to reoxidize specifically cytoplasmic NADH. It is antimycin‐A‐insensitive, but inhibited by salicylhydroxamic acid and high cyanide concentrations.
M, Guérin, N, Camougrand
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Prokaryotic orthologues of mitochondrial alternative oxidase and plastid terminal oxidase
Plant Molecular Biology, 2003The mitochondrial alternative oxidase (AOX) and the plastid terminal oxidase (PTOX) are two similar members of the membrane-bound diiron carboxylate group of proteins. AOX is a ubiquinol oxidase present in all higher plants, as well as some algae, fungi, and protists. It may serve to dampen reactive oxygen species generation by the respiratory electron
Allison E, McDonald +2 more
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The role of alternative oxidase in plant hypersensitive response
Plant Biology, 2021AbstractThe innate immune system of plants is crucial in defining the fate of a plant cell during plant–pathogen interactions. This response is often accompanied by a hypersensitive reaction leading to the death of a plant cell and restricted pathogen growth.
M. Suleman, M. Ma, G. Ge, D. Hua, H. Li
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Expression and Crystallization of the Plant Alternative Oxidase
2015The alternative oxidase (AOX) is an integral monotopic membrane protein located on the inner surface of the inner mitochondrial membrane. Branching from the traditional respiratory chain at the quinone pool, AOX is responsible for cyanide-resistant respiration in plants and fungi, heat generation in thermogenic plants, and survival of parasites, such ...
Benjamin, May +6 more
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