2017
DOI: 10.1371/journal.pone.0176878
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Alternative oxidase (AOX) constitutes a small family of proteins in Citrus clementina and Citrus sinensis L. Osb

Abstract: The alternative oxidase (AOX) protein is present in plants, fungi, protozoa and some invertebrates. It is involved in the mitochondrial respiratory chain, providing an alternative route for the transport of electrons, leading to the reduction of oxygen to form water. The present study aimed to characterize the family of AOX genes in mandarin (Citrus clementina) and sweet orange (Citrus sinensis) at nucleotide and protein levels, including promoter analysis, phylogenetic analysis and C. sinensis gene expression… Show more

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Cited by 13 publications
(7 citation statements)
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“…Other similar works, such as that of Castro et al, 2017 also characterized the three-dimensional AOX structure of some citrus plants (C. Clementina, C. Sinensis), and observed the conservation of some AOX domains involved in the mitochondrial respiratory chain providing a alternative route for electron transport (via AOX alternative) [21].…”
Section: Tridimensional Structure Of Mpaoxmentioning
confidence: 69%
“…Other similar works, such as that of Castro et al, 2017 also characterized the three-dimensional AOX structure of some citrus plants (C. Clementina, C. Sinensis), and observed the conservation of some AOX domains involved in the mitochondrial respiratory chain providing a alternative route for electron transport (via AOX alternative) [21].…”
Section: Tridimensional Structure Of Mpaoxmentioning
confidence: 69%
“…These techniques have also enabled study of the domains involved in enzymatic catalysis and of the topography of the mitochondrial membrane enzyme and its post-translational regulation, as well as reconstruction of the evolution of the enzyme in different taxonomic groups 21 . The genes encoding AOX have been found in all higher plants and in some algae, fungi, protists and invertebrates, but not in vertebrates 14 , 15 , 22 , 66 , 67 . We have found evidence of the existence of an alternative oxidase pathway in the mitochondria of the fish parasite P. dicentrarchi , by using functional physiological techniques, which measure oxygen consumption after the addition of inhibitors of the cytochrome pathway, and immunochemical assays, which use polyclonal antibodies against a fully conserved C-terminal consensus motif from isoforms 1 and 2 of plant AOX 13 .…”
Section: Discussionmentioning
confidence: 99%
“…The typical structure of the AOX gene is characterized by the presence of four exons separated by three gene-specific introns of different lengths 70 , 71 . After transcription and splicing, the AOX gene in P. dicentrarchi generated a mature mRNA that encodes a protein of an estimated molecular weight of 35,638.68 daltons, a size like the standard sizes of the AOXs of various organisms ranging between 32–36 kDa 15 . AOX is an integral interfacial membrane protein that interacts with a single leaflet of the lipid bilayer 26 .…”
Section: Discussionmentioning
confidence: 99%
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“…At the beginning of the 20th century, the AOX was first discovered from thermogenic plants during anthesis ( Saha et al, 2016 ). Later it was found that it exists in the inner mitochondrial membrane of plants, fungi, protozoa, and some invertebrates ( Araújo Castro et al, 2017 ). AOX activity can protect cells from reactive oxygen species (ROS) such as O 2 – , H 2 O 2 , and OH, particularly during different abiotic stress ( Wang and Vanlerberghe, 2013 ).…”
Section: Potato and Application Of Crispr/cas Systemmentioning
confidence: 99%