Induction of alternative oxidase by excess copper in sycamore cell suspensions
Identifieur interne : 00C439 ( Main/Exploration ); précédent : 00C438; suivant : 00C440Induction of alternative oxidase by excess copper in sycamore cell suspensions
Auteurs : Mário Pádua [France, Portugal] ; Serge Aubert [France] ; Adalcina Casimiro [Portugal] ; Richard Bligny [France] ; A. Harvey Millar [Australie] ; David A. Day [Australie]Source :
- Plant Physiology and Biochemistry [ 0981-9428 ] ; 1999.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Cuivre, Saccharose.
English descriptors
- KwdEn :
- Acer pseudoplatanus, Active oxygen species, Alternative oxidase, Appropriate cofactors, Ascorbate oxidase, Aubert, Biochem, Biological accumulation, Bligny, Carbon starvation, Cell culture, Cell growth, Cell respiration, Cell suspensions, Citrate, Constant supply, Consumption rates, Control cells, Copper, Copper treatment, Culture medium, Deuce, Diamine oxidase, Dose activity relation, Electron transfer, Excess copper, Growth medium, Higher plants, Induction, Intracellular concentration, Iron uptake, Malate, Messenger RNA, Mitochondria, Mitochondrial, Mitochondrial biogenesis, Mitochondrial protein, Mitochondrial respiration, Mitochondrion, Monoclonal antibodies, Mrna, Nmol, Nmol protein, Northern blot, Northern blot analysis, Open symbols, Other hand, Oxidase, Oxidase induction, Oxygen uptake, Perchloric extracts, Physiol, Plant cell, Plant physiol, Possible mechanisms, Protein levels, Reactive oxygen intermediates, Respiration, Respiratory chain, Respiratory rates, Solid symbols, Sucrose, Sycamore, Sycamore cell respiration, Sycamore cell suspensions, Sycamore cells, Uninhibited cell respiration, Uninhibited respiration, Uptake.
- Teeft :
- Acer pseudoplatanus, Active oxygen species, Alternative oxidase, Appropriate cofactors, Ascorbate oxidase, Aubert, Biochem, Bligny, Carbon starvation, Cell growth, Cell respiration, Cell suspensions, Citrate, Constant supply, Consumption rates, Control cells, Copper, Copper treatment, Culture medium, Deuce, Diamine oxidase, Excess copper, Growth medium, Higher plants, Intracellular concentration, Iron uptake, Malate, Mitochondrial, Mitochondrial biogenesis, Mitochondrial protein, Mitochondrial respiration, Mitochondrion, Monoclonal antibodies, Mrna, Nmol, Nmol protein, Northern blot, Northern blot analysis, Open symbols, Other hand, Oxidase, Oxidase induction, Oxygen uptake, Perchloric extracts, Physiol, Plant cell, Plant physiol, Possible mechanisms, Protein levels, Reactive oxygen intermediates, Respiration, Respiratory chain, Respiratory rates, Solid symbols, Sucrose, Sycamore, Sycamore cell respiration, Sycamore cell suspensions, Sycamore cells, Uninhibited cell respiration, Uninhibited respiration, Uptake.
Abstract
Abstract: Sycamore suspension cells (Acer pseudoplatanus L.) were used to investigate the effect of copper on respiratory electron transport. Alternative oxidase (AOX) protein content and enzymatic capacity increased as a function of the concentration of copper added to the culture medium, from 0.2 to 50 μM. The latter sublethal concentration, which arrests mitochondrial biogenesis and thereby decreases cell respiration rates, stimulated cyanide-insensitive oxygen uptake in cells and mitochondria isolated therefrom. This was correlated with the accumulation of two proteins (30 and 36 kDa) which reacted with monoclonal antibodies against AOX. An accumulation of a 1.6-kb AOX mRNA was also observed. The possible mechanisms through which copper affects AOX are discussed.
Url:
DOI: 10.1016/S0981-9428(99)80074-6
Affiliations:
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Day</name><affiliation wicri:level="1"><country xml:lang="fr">Australie</country><wicri:regionArea>Division of Biochemistry and Molecular Biology, Faculty of Science, Australian National University, Canberra ACT 0200</wicri:regionArea><wicri:noRegion>Canberra ACT 0200</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Plant Physiology and Biochemistry</title><title level="j" type="abbrev">PLAPHY</title><idno type="ISSN">0981-9428</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1999">1999</date><biblScope unit="volume">37</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="131">131</biblScope><biblScope unit="page" to="137">137</biblScope></imprint><idno type="ISSN">0981-9428</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0981-9428</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acer pseudoplatanus</term><term>Active oxygen species</term><term>Alternative oxidase</term><term>Appropriate cofactors</term><term>Ascorbate oxidase</term><term>Aubert</term><term>Biochem</term><term>Biological accumulation</term><term>Bligny</term><term>Carbon starvation</term><term>Cell culture</term><term>Cell growth</term><term>Cell respiration</term><term>Cell suspensions</term><term>Citrate</term><term>Constant supply</term><term>Consumption rates</term><term>Control cells</term><term>Copper</term><term>Copper treatment</term><term>Culture medium</term><term>Deuce</term><term>Diamine oxidase</term><term>Dose activity relation</term><term>Electron transfer</term><term>Excess copper</term><term>Growth medium</term><term>Higher plants</term><term>Induction</term><term>Intracellular concentration</term><term>Iron uptake</term><term>Malate</term><term>Messenger RNA</term><term>Mitochondria</term><term>Mitochondrial</term><term>Mitochondrial biogenesis</term><term>Mitochondrial protein</term><term>Mitochondrial respiration</term><term>Mitochondrion</term><term>Monoclonal antibodies</term><term>Mrna</term><term>Nmol</term><term>Nmol protein</term><term>Northern blot</term><term>Northern blot analysis</term><term>Open symbols</term><term>Other hand</term><term>Oxidase</term><term>Oxidase induction</term><term>Oxygen uptake</term><term>Perchloric extracts</term><term>Physiol</term><term>Plant cell</term><term>Plant physiol</term><term>Possible mechanisms</term><term>Protein levels</term><term>Reactive oxygen intermediates</term><term>Respiration</term><term>Respiratory chain</term><term>Respiratory rates</term><term>Solid symbols</term><term>Sucrose</term><term>Sycamore</term><term>Sycamore cell respiration</term><term>Sycamore cell suspensions</term><term>Sycamore cells</term><term>Uninhibited cell respiration</term><term>Uninhibited respiration</term><term>Uptake</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Accumulation biologique</term><term>Acer pseudoplatanus</term><term>Alternative oxydase</term><term>Cuivre</term><term>Culture cellulaire</term><term>Induction</term><term>Milieu culture</term><term>Mitochondrie</term><term>RNA messager</term><term>Relation dose réponse</term><term>Respiration</term><term>Transfert électron</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Acer pseudoplatanus</term><term>Active oxygen species</term><term>Alternative oxidase</term><term>Appropriate cofactors</term><term>Ascorbate oxidase</term><term>Aubert</term><term>Biochem</term><term>Bligny</term><term>Carbon starvation</term><term>Cell growth</term><term>Cell respiration</term><term>Cell suspensions</term><term>Citrate</term><term>Constant supply</term><term>Consumption rates</term><term>Control cells</term><term>Copper</term><term>Copper treatment</term><term>Culture medium</term><term>Deuce</term><term>Diamine oxidase</term><term>Excess copper</term><term>Growth medium</term><term>Higher plants</term><term>Intracellular concentration</term><term>Iron uptake</term><term>Malate</term><term>Mitochondrial</term><term>Mitochondrial biogenesis</term><term>Mitochondrial protein</term><term>Mitochondrial respiration</term><term>Mitochondrion</term><term>Monoclonal antibodies</term><term>Mrna</term><term>Nmol</term><term>Nmol protein</term><term>Northern blot</term><term>Northern blot analysis</term><term>Open symbols</term><term>Other hand</term><term>Oxidase</term><term>Oxidase induction</term><term>Oxygen uptake</term><term>Perchloric extracts</term><term>Physiol</term><term>Plant cell</term><term>Plant physiol</term><term>Possible mechanisms</term><term>Protein levels</term><term>Reactive oxygen intermediates</term><term>Respiration</term><term>Respiratory chain</term><term>Respiratory rates</term><term>Solid symbols</term><term>Sucrose</term><term>Sycamore</term><term>Sycamore cell respiration</term><term>Sycamore cell suspensions</term><term>Sycamore cells</term><term>Uninhibited cell respiration</term><term>Uninhibited respiration</term><term>Uptake</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Cuivre</term><term>Saccharose</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Sycamore suspension cells (Acer pseudoplatanus L.) were used to investigate the effect of copper on respiratory electron transport. Alternative oxidase (AOX) protein content and enzymatic capacity increased as a function of the concentration of copper added to the culture medium, from 0.2 to 50 μM. The latter sublethal concentration, which arrests mitochondrial biogenesis and thereby decreases cell respiration rates, stimulated cyanide-insensitive oxygen uptake in cells and mitochondria isolated therefrom. This was correlated with the accumulation of two proteins (30 and 36 kDa) which reacted with monoclonal antibodies against AOX. An accumulation of a 1.6-kb AOX mRNA was also observed. The possible mechanisms through which copper affects AOX are discussed.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li><li>Portugal</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Rhône-Alpes</li></region><settlement><li>Grenoble</li></settlement></list><tree><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Padua, Mario" sort="Padua, Mario" uniqKey="Padua M" first="Mário" last="Pádua">Mário Pádua</name></region><name sortKey="Aubert, Serge" sort="Aubert, Serge" uniqKey="Aubert S" first="Serge" last="Aubert">Serge Aubert</name><name sortKey="Aubert, Serge" sort="Aubert, Serge" uniqKey="Aubert S" first="Serge" last="Aubert">Serge Aubert</name><name sortKey="Bligny, Richard" sort="Bligny, Richard" uniqKey="Bligny R" first="Richard" last="Bligny">Richard Bligny</name></country><country name="Portugal"><noRegion><name sortKey="Padua, Mario" sort="Padua, Mario" uniqKey="Padua M" first="Mário" last="Pádua">Mário Pádua</name></noRegion><name sortKey="Casimiro, Adalcina" sort="Casimiro, Adalcina" uniqKey="Casimiro A" first="Adalcina" last="Casimiro">Adalcina Casimiro</name></country><country name="Australie"><noRegion><name sortKey="Millar, A Harvey" sort="Millar, A Harvey" uniqKey="Millar A" first="A. Harvey" last="Millar">A. Harvey Millar</name></noRegion><name sortKey="Day, David A" sort="Day, David A" uniqKey="Day D" first="David A." last="Day">David A. Day</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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