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A prokaryotic alternative oxidase present in the bacteriumNovosphingobium aromaticivorans

FEBS Letters, 2003
The alternative oxidase (AOX) is a terminal oxidase present in the respiratory chain of all plants as well as some yeasts and trypanosomes, but has not previously been found in a prokaryote.
Pal Stenmark, Par Nordlund
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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
openaire   +2 more sources

Alternative oxidase expression in Neurospora crassa

Fungal Genetics and Biology, 2003
When 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.
Lesley L, Tanton, Cheryl E, Nargang, Katherine E, Kessler, Qiuhong, Li, Frank E, Nargang   +4 more
openaire   +2 more sources

The alternative oxidase of Candida parapsilosis

European Journal of Biochemistry, 1986
The 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
openaire   +2 more sources

Exogenous progesterone treatment alleviates chilling injury in postharvest banana fruit associated with induction of alternative oxidase and antioxidant defense.

Food Chemistry, 2019
The effects of exogenous progesterone (PROG) on chilling injury (CI) in postharvest banana fruit were investigated. Concentration screening tests showed that 10-5 mol/l PROG was most effective in reducing CI in banana fruit stored for 25 d at 5 ± 1 °C ...
Jiashi Hao, Xia Li, Guangzhi Xu, Yanrong Huo, Huqing Yang   +4 more
semanticscholar   +1 more source

Prokaryotic orthologues of mitochondrial alternative oxidase and plastid terminal oxidase

Plant Molecular Biology, 2003
The 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, Sasan, Amirsadeghi, Greg C, Vanlerberghe   +2 more
openaire   +2 more sources

Chitosan-induced enhanced expression and activation of alternative oxidase confer tolerance to salt stress in maize seedlings.

Plant physiology and biochemistry : PPB, 2019
This study aimed to investigate the possible alleviating effect of chitosan on salt-induced growth retardation and oxidative stress and to elucidate whether this effect is linked to activation of mitochondrial respiration on the basis of alternative ...
Hulya Turk
semanticscholar   +1 more source

Expression and Crystallization of the Plant Alternative Oxidase

2015
The 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, Catherine, Elliott, Momi, Iwata, Luke, Young, Julia, Shearman, Mary S, Albury, Anthony L, Moore   +6 more
openaire   +2 more sources

Towards a structural elucidation of the alternative oxidase in plants

Physiologia Plantarum, 2009
In addition to the conventional cytochrome c oxidase, mitochondria of all plants studied to date contain a second cyanide‐resistant terminal oxidase or alternative oxidase (AOX). The AOX is located in the inner mitochondrial membrane and branches from the cytochrome pathway at the level of the quinone pool.
Mary S, Albury, Catherine, Elliott, Anthony L, Moore   +2 more
openaire   +2 more sources

Alternative NAD(P)H dehydrogenase and alternative oxidase: Proposed physiological roles in animals.

Mitochondrion (Amsterdam. Print), 2018
The electron transport systems in mitochondria of many organisms contain alternative respiratory enzymes distinct from those of the canonical respiratory system depicted in textbooks.
A. McDonald, Dmytro V. Gospodaryov
semanticscholar   +1 more source