Tomato Fruit Chromoplasts Behave as Respiratory Bioenergetic Organelles during Ripening1[W][OPEN]
Identifieur interne : 000D19 ( Pmc/Corpus ); précédent : 000D18; suivant : 000D20Tomato Fruit Chromoplasts Behave as Respiratory Bioenergetic Organelles during Ripening1[W][OPEN]
Auteurs : Marta Renato ; Irini Pateraki ; Albert Boronat ; Joaquín Azc N-BietoSource :
- Plant Physiology [ 0032-0889 ] ; 2014.
Abstract
Url:
DOI: 10.1104/pp.114.243931
PubMed: 25125503
PubMed Central: 4213118
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PMC:4213118Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Tomato Fruit Chromoplasts Behave as Respiratory Bioenergetic Organelles during Ripening<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[W]</sup></xref><xref ref-type="fn" rid="fn3"><sup>[OPEN]</sup></xref></title><author><name sortKey="Renato, Marta" sort="Renato, Marta" uniqKey="Renato M" first="Marta" last="Renato">Marta Renato</name></author><author><name sortKey="Pateraki, Irini" sort="Pateraki, Irini" uniqKey="Pateraki I" first="Irini" last="Pateraki">Irini Pateraki</name></author><author><name sortKey="Boronat, Albert" sort="Boronat, Albert" uniqKey="Boronat A" first="Albert" last="Boronat">Albert Boronat</name></author><author><name sortKey="Azc N Bieto, Joaquin" sort="Azc N Bieto, Joaquin" uniqKey="Azc N Bieto J" first="Joaquín" last="Azc N-Bieto">Joaquín Azc N-Bieto</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25125503</idno><idno type="pmc">4213118</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4213118</idno><idno type="RBID">PMC:4213118</idno><idno type="doi">10.1104/pp.114.243931</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000D19</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Tomato Fruit Chromoplasts Behave as Respiratory Bioenergetic Organelles during Ripening<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[W]</sup></xref><xref ref-type="fn" rid="fn3"><sup>[OPEN]</sup></xref></title><author><name sortKey="Renato, Marta" sort="Renato, Marta" uniqKey="Renato M" first="Marta" last="Renato">Marta Renato</name></author><author><name sortKey="Pateraki, Irini" sort="Pateraki, Irini" uniqKey="Pateraki I" first="Irini" last="Pateraki">Irini Pateraki</name></author><author><name sortKey="Boronat, Albert" sort="Boronat, Albert" uniqKey="Boronat A" first="Albert" last="Boronat">Albert Boronat</name></author><author><name sortKey="Azc N Bieto, Joaquin" sort="Azc N Bieto, Joaquin" uniqKey="Azc N Bieto J" first="Joaquín" last="Azc N-Bieto">Joaquín Azc N-Bieto</name></author></analytic><series><title level="j">Plant Physiology</title><idno type="ISSN">0032-0889</idno><idno type="eISSN">1532-2548</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><italic>Tomato fruit chromoplasts exhibit a respiratory process linked to ATP synthesis that uses NAD(P)H as electron donors and represents 25% of total ripe fruit respiration</italic>.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Plant Physiol</journal-id><journal-id journal-id-type="iso-abbrev">Plant Physiol</journal-id><journal-id journal-id-type="hwp">plantphysiol</journal-id><journal-id journal-id-type="publisher-id">aspb</journal-id><journal-title-group><journal-title>Plant Physiology</journal-title></journal-title-group><issn pub-type="ppub">0032-0889</issn><issn pub-type="epub">1532-2548</issn><publisher><publisher-name>American Society of Plant Biologists</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">25125503</article-id><article-id pub-id-type="pmc">4213118</article-id><article-id pub-id-type="publisher-id">243931</article-id><article-id pub-id-type="doi">10.1104/pp.114.243931</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject><subj-group subj-group-type="heading"><subject>Membranes, Transport, and Bioenergetics</subject></subj-group></subj-group></article-categories><title-group><article-title>Tomato Fruit Chromoplasts Behave as Respiratory Bioenergetic Organelles during Ripening<xref ref-type="fn" rid="fn1"><sup>1</sup></xref><xref ref-type="fn" rid="fn2"><sup>[W]</sup></xref><xref ref-type="fn" rid="fn3"><sup>[OPEN]</sup></xref></article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Renato</surname><given-names>Marta</given-names></name><contrib-id contrib-id-type="orcid">http://orcid.org/0000-0003-1499-2189</contrib-id></contrib><contrib contrib-type="author"><name><surname>Pateraki</surname><given-names>Irini</given-names></name><contrib-id contrib-id-type="orcid">http://orcid.org/0000-0002-7526-2334</contrib-id><xref ref-type="author-notes" rid="afn3"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Boronat</surname><given-names>Albert</given-names></name><contrib-id contrib-id-type="orcid">http://orcid.org/0000-0002-8040-1861</contrib-id><xref ref-type="corresp" rid="cor1">*</xref></contrib><contrib contrib-type="author"><name><surname>Azcón-Bieto</surname><given-names>Joaquín</given-names></name><contrib-id contrib-id-type="orcid">http://orcid.org/0000-0003-4313-1505</contrib-id><xref ref-type="corresp" rid="cor1">*</xref></contrib><aff id="aff1">Departaments de Biologia Vegetal (M.R., J.A.-B.) and Bioquímica i Biologia Molecular (I.P., A.B.), Facultat de Biologia, Universitat de Barcelona, 08007 Barcelona, Spain; and</aff><aff id="aff2">Centre de Recerca en Agrigenòmica, Consorci CSIC-IRTA-UAB-UB, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain (M.R., I.P., A.B.)</aff></contrib-group><author-notes><fn><p><ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org/cgi/doi/10.1104/pp.114.243931">www.plantphysiol.org/cgi/doi/10.1104/pp.114.243931</ext-link></p></fn><corresp id="cor1"><label>*</label>Address correspondence to <email>aboronat@ub.edu</email> and <email>jazcon@ub.edu</email>.</corresp><fn id="afn1"><p>The author responsible for distribution of materials integral to the findings presented in this article in accordance with the policy described in the Instructions for Authors (<ext-link ext-link-type="uri" xlink:href="http://www.plantphysiol.org">www.plantphysiol.org</ext-link>) is: Joaquín Azcón-Bieto (<email>jazcon@ub.edu</email>).</p></fn><fn id="afn2"><p>M.R., A.B., and J.A.-B. designed the research; M.R. performed the research; I.P. contributed the analytic tools; M.R., I.P., A.B., and J.A.-B. analyzed the data; M.R., A.B., and J.A.-B. wrote the article.</p></fn><fn id="afn3" fn-type="present-address"><label>2</label><p>Present address: Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark.</p></fn></author-notes><pmc-comment>Fake ppub date generated by PMC from publisher pub-date/@pub-type='epub-ppub' </pmc-comment>
<pub-date pub-type="ppub"><month>10</month><year>2014</year></pub-date><pub-date pub-type="epub"><day>14</day><month>8</month><year>2014</year></pub-date><pub-date pub-type="pmc-release"><day>14</day><month>8</month><year>2014</year></pub-date><pmc-comment> PMC Release delay is 0 months and 0 days and was based on the
<volume>166</volume><issue>2</issue><fpage>920</fpage><lpage>933</lpage><history><date date-type="received"><day>28</day><month>5</month><year>2014</year></date><date date-type="accepted"><day>06</day><month>8</month><year>2014</year></date></history><permissions><copyright-statement>© 2014 American Society of Plant Biologists. All Rights Reserved.</copyright-statement><copyright-year>2014</copyright-year></permissions><self-uri xlink:role="icon" xlink:type="simple" xlink:href="PP_243931_ic1.gif"></self-uri><self-uri content-type="alt-lang-pdf zh" xlink:type="simple" xlink:href="920.chinese.pdf"></self-uri><abstract abstract-type="precis"><p><italic>Tomato fruit chromoplasts exhibit a respiratory process linked to ATP synthesis that uses NAD(P)H as electron donors and represents 25% of total ripe fruit respiration</italic>.</p></abstract><abstract><p>During tomato (<italic>Solanum lycopersicum</italic>) fruit ripening, chloroplasts differentiate into photosynthetically inactive chromoplasts. It was recently reported that tomato chromoplasts can synthesize ATP through a respiratory process called chromorespiration. Here we show that chromoplast oxygen consumption is stimulated by the electron donors NADH and NADPH and is sensitive to octyl gallate (<xref ref-type="def" rid="def1">Ogal</xref>), a plastidial terminal oxidase inhibitor. The ATP synthesis rate of isolated chromoplasts was dependent on the supply of NAD(P)H and was fully inhibited by <xref ref-type="def" rid="def1">Ogal</xref>. It was also inhibited by the proton uncoupler carbonylcyanide <italic>m</italic>-chlorophenylhydrazone, suggesting the involvement of a chemiosmotic gradient. In addition, ATP synthesis was sensitive to 2,5-dibromo-3-methyl-6-isopropyl-<italic>p</italic>-benzoquinone, a cytochrome <italic>b</italic><sub>6</sub><italic>f</italic> complex inhibitor. The possible participation of this complex in chromorespiration was supported by the detection of one of its components (cytochrome <italic>f</italic>) in chromoplasts using immunoblot and immunocytochemical techniques. The observed increased expression of cytochrome <italic>c</italic><sub>6</sub> during ripening suggests that it could act as electron acceptor of the cytochrome <italic>b</italic><sub>6</sub><italic>f</italic> complex in chromorespiration. The effects of <xref ref-type="def" rid="def1">Ogal</xref> on respiration and ATP levels were also studied in tissue samples. Oxygen uptake of mature green fruit and leaf tissues was not affected by <xref ref-type="def" rid="def1">Ogal</xref>, but was inhibited increasingly in fruit pericarp throughout ripening (up to 26% in red fruit). Similarly, <xref ref-type="def" rid="def1">Ogal</xref> caused a significant decrease in ATP content of red fruit pericarp. The number of energized mitochondria, as determined by confocal microscopy, strongly decreased in fruit tissue during ripening. Therefore, the contribution of chromoplasts to total fruit respiration appears to increase in late ripening stages.</p></abstract><counts><page-count count="14"></page-count></counts></article-meta><notes><glossary><title>Glossary</title><def-list><def-item><term id="term1">Ogal</term><def id="def1"><p>octyl gallate</p></def></def-item><def-item><term id="term2">PTOX</term><def id="def2"><p>plastidial terminal oxidase</p></def></def-item><def-item><term id="term3">AOX</term><def id="def3"><p>alternative oxidase</p></def></def-item><def-item><term id="term4">NDH</term><def id="def4"><p>NAD(P)H:plastoquinone-reductase</p></def></def-item><def-item><term id="term5">CCCP</term><def id="def5"><p>carbonylcyanide <italic>m</italic>-chlorophenylhydrazone</p></def></def-item><def-item><term id="term6">DAPP</term><def id="def6"><p>P<sup>1</sup>,P<sup>5</sup>-di(adenosine-5′) pentaphosphate</p></def></def-item><def-item><term id="term7">DPI</term><def id="def7"><p>diphenylene iodonium</p></def></def-item><def-item><term id="term8">DBMIB</term><def id="def8"><p>2,5-dibromo-3-methyl-6-isopropyl-<italic>p</italic>-benzoquinone</p></def></def-item><def-item><term id="term9">DTT</term><def id="def9"><p>dithiothreitol</p></def></def-item><def-item><term id="term10">PVPP</term><def id="def10"><p>polyvinylpolypyrrolidone</p></def></def-item><def-item><term id="term11">BSA</term><def id="def11"><p>bovine serum albumin</p></def></def-item><def-item><term id="term12">DMSO</term><def id="def12"><p>dimethyl sulfoxide</p></def></def-item><def-item><term id="term13">PBS</term><def id="def13"><p>phosphate-buffered saline</p></def></def-item></def-list></glossary></notes></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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