Auxin-Responsive Genes AIR12 Code for a New Family of Plasma Membrane b-Type Cytochromes Specific to Flowering Plants1[C][W][OA]
Identifieur interne : 001031 ( Pmc/Checkpoint ); précédent : 001030; suivant : 001032Auxin-Responsive Genes AIR12 Code for a New Family of Plasma Membrane b-Type Cytochromes Specific to Flowering Plants1[C][W][OA]
Auteurs : Valeria Preger ; Nunzio Tango ; Christophe Marchand ; Stéphane D. Lemaire ; Donatella Carbonera ; Marilena Di Valentin ; Alex Costa ; Paolo Pupillo ; Paolo TrostSource :
- Plant Physiology [ 0032-0889 ] ; 2009.
Abstract
We report here on the identification of the major plasma membrane (PM) ascorbate-reducible b-type cytochrome of bean (
Url:
DOI: 10.1104/pp.109.139170
PubMed: 19386804
PubMed Central: 2689961
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Auxin-Responsive Genes <italic>AIR12</italic> Code for a New Family of Plasma Membrane b-Type Cytochromes Specific to Flowering Plants<xref ref-type="fn" rid="fn1">1</xref><xref ref-type="fn" rid="fn3">[C]</xref><xref ref-type="fn" rid="fn4">[W]</xref><xref ref-type="fn" rid="fn5">[OA]</xref></title><author><name sortKey="Preger, Valeria" sort="Preger, Valeria" uniqKey="Preger V" first="Valeria" last="Preger">Valeria Preger</name></author><author><name sortKey="Tango, Nunzio" sort="Tango, Nunzio" uniqKey="Tango N" first="Nunzio" last="Tango">Nunzio Tango</name></author><author><name sortKey="Marchand, Christophe" sort="Marchand, Christophe" uniqKey="Marchand C" first="Christophe" last="Marchand">Christophe Marchand</name></author><author><name sortKey="Lemaire, Stephane D" sort="Lemaire, Stephane D" uniqKey="Lemaire S" first="Stéphane D." last="Lemaire">Stéphane D. Lemaire</name></author><author><name sortKey="Carbonera, Donatella" sort="Carbonera, Donatella" uniqKey="Carbonera D" first="Donatella" last="Carbonera">Donatella Carbonera</name></author><author><name sortKey="Di Valentin, Marilena" sort="Di Valentin, Marilena" uniqKey="Di Valentin M" first="Marilena" last="Di Valentin">Marilena Di Valentin</name></author><author><name sortKey="Costa, Alex" sort="Costa, Alex" uniqKey="Costa A" first="Alex" last="Costa">Alex Costa</name></author><author><name sortKey="Pupillo, Paolo" sort="Pupillo, Paolo" uniqKey="Pupillo P" first="Paolo" last="Pupillo">Paolo Pupillo</name></author><author><name sortKey="Trost, Paolo" sort="Trost, Paolo" uniqKey="Trost P" first="Paolo" last="Trost">Paolo Trost</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">19386804</idno><idno type="pmc">2689961</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2689961</idno><idno type="RBID">PMC:2689961</idno><idno type="doi">10.1104/pp.109.139170</idno><date when="2009">2009</date><idno type="wicri:Area/Pmc/Corpus">000823</idno><idno type="wicri:Area/Pmc/Curation">000822</idno><idno type="wicri:Area/Pmc/Checkpoint">001031</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Auxin-Responsive Genes <italic>AIR12</italic> Code for a New Family of Plasma Membrane b-Type Cytochromes Specific to Flowering Plants<xref ref-type="fn" rid="fn1">1</xref><xref ref-type="fn" rid="fn3">[C]</xref><xref ref-type="fn" rid="fn4">[W]</xref><xref ref-type="fn" rid="fn5">[OA]</xref></title><author><name sortKey="Preger, Valeria" sort="Preger, Valeria" uniqKey="Preger V" first="Valeria" last="Preger">Valeria Preger</name></author><author><name sortKey="Tango, Nunzio" sort="Tango, Nunzio" uniqKey="Tango N" first="Nunzio" last="Tango">Nunzio Tango</name></author><author><name sortKey="Marchand, Christophe" sort="Marchand, Christophe" uniqKey="Marchand C" first="Christophe" last="Marchand">Christophe Marchand</name></author><author><name sortKey="Lemaire, Stephane D" sort="Lemaire, Stephane D" uniqKey="Lemaire S" first="Stéphane D." last="Lemaire">Stéphane D. Lemaire</name></author><author><name sortKey="Carbonera, Donatella" sort="Carbonera, Donatella" uniqKey="Carbonera D" first="Donatella" last="Carbonera">Donatella Carbonera</name></author><author><name sortKey="Di Valentin, Marilena" sort="Di Valentin, Marilena" uniqKey="Di Valentin M" first="Marilena" last="Di Valentin">Marilena Di Valentin</name></author><author><name sortKey="Costa, Alex" sort="Costa, Alex" uniqKey="Costa A" first="Alex" last="Costa">Alex Costa</name></author><author><name sortKey="Pupillo, Paolo" sort="Pupillo, Paolo" uniqKey="Pupillo P" first="Paolo" last="Pupillo">Paolo Pupillo</name></author><author><name sortKey="Trost, Paolo" sort="Trost, Paolo" uniqKey="Trost P" first="Paolo" last="Trost">Paolo Trost</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="2009">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>We report here on the identification of the major plasma membrane (PM) ascorbate-reducible b-type cytochrome of bean (<italic>Phaseolus vulgaris</italic>) and soybean (<italic>Glycine max</italic>) hypocotyls as orthologs of Arabidopsis (<italic>Arabidopsis thaliana</italic>) AIR12 (for auxin induced in root cultures). Soybean AIR12, which is glycosylated and glycosylphosphatidylinositol-anchored to the external side of the PM in vivo, was expressed in <italic>Pichia pastoris</italic> in a recombinant form, lacking the glycosylphosphatidylinositol modification signal and purified from the culture medium. Recombinant AIR12 is a soluble protein predicted to fold into a <italic>β</italic>-sandwich domain and belonging to the DOMON (for dopamine <italic>β</italic>-monooxygenase N terminus) domain superfamily. It is shown to be a b-type cytochrome with a symmetrical <italic>α</italic>-band at 561 nm, fully reduced by ascorbate, and fully oxidized by monodehydroascorbate radical. AIR12 is a high-potential cytochrome b showing a wide bimodal dependence from the redox potential between +80 mV and +300 mV. Optical absorption and electron paramagnetic resonance analysis indicate that AIR12 binds a single, highly axial low-spin heme, likely coordinated by methionine-91 and histidine-76, which are strongly conserved in AIR12 sequences. Phylogenetic analyses reveal that the auxin-responsive genes <italic>AIR12</italic> represent a new family of PM b-type cytochromes specific to flowering plants. Circumstantial evidence suggests that AIR12 may interact with other redox partners within the PM to constitute a redox link between cytoplasm and apoplast.</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="publisher-id">plantphysiol</journal-id><journal-title>Plant Physiology</journal-title><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">19386804</article-id><article-id pub-id-type="pmc">2689961</article-id><article-id pub-id-type="publisher-id">139170</article-id><article-id pub-id-type="doi">10.1104/pp.109.139170</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject><subj-group><subject>Biochemical Processes and Macromolecular Structures</subject></subj-group></subj-group></article-categories><title-group><article-title>Auxin-Responsive Genes <italic>AIR12</italic> Code for a New Family of Plasma Membrane b-Type Cytochromes Specific to Flowering Plants<xref ref-type="fn" rid="fn1">1</xref><xref ref-type="fn" rid="fn3">[C]</xref><xref ref-type="fn" rid="fn4">[W]</xref><xref ref-type="fn" rid="fn5">[OA]</xref></article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Preger</surname><given-names>Valeria</given-names></name><xref ref-type="fn" rid="fn2">2</xref><xref ref-type="corresp" rid="cor1">*</xref></contrib><contrib contrib-type="author"><name><surname>Tango</surname><given-names>Nunzio</given-names></name><xref ref-type="fn" rid="fn2">2</xref></contrib><contrib contrib-type="author"><name><surname>Marchand</surname><given-names>Christophe</given-names></name></contrib><contrib contrib-type="author"><name><surname>Lemaire</surname><given-names>Stéphane D.</given-names></name></contrib><contrib contrib-type="author"><name><surname>Carbonera</surname><given-names>Donatella</given-names></name></contrib><contrib contrib-type="author"><name><surname>Di Valentin</surname><given-names>Marilena</given-names></name></contrib><contrib contrib-type="author"><name><surname>Costa</surname><given-names>Alex</given-names></name></contrib><contrib contrib-type="author"><name><surname>Pupillo</surname><given-names>Paolo</given-names></name></contrib><contrib contrib-type="author"><name><surname>Trost</surname><given-names>Paolo</given-names></name></contrib></contrib-group><aff id="N0x40a96e0N0x45ae1c0">Laboratory of Molecular Plant Physiology, Department of Experimental Evolutionary Biology, University of Bologna, Bologna 40126, Italy (V.P., N.T., P.P., P.T.); Institut de Biochimie et Biophysique Moléculaire et Cellulaire, UMR 8619 (C.M.), and Institut de Biotechnologie des Plantes, UMR 8618 (S.D.L.), CNRS, Université Paris-Sud 11, Orsay F–91405 cedex, France; and Dipartimento di Scienze Chimiche (D.C., M.D.V.) and Dipartimento di Biologia (A.C.), Università di Padova, Padova 35131, Italy</aff><author-notes><fn id="cor1"><label>*</label><p>Corresponding author; e-mail <email>valeria.preger@unibo.it</email>.</p></fn><fn id="fn2"><label>2</label><p>These authors contributed equally to the article.</p></fn></author-notes><pub-date pub-type="ppub"><month>6</month><year>2009</year></pub-date><volume>150</volume><issue>2</issue><fpage>606</fpage><lpage>620</lpage><history><date date-type="received"><day>31</day><month>3</month><year>2009</year></date><date date-type="accepted"><day>15</day><month>4</month><year>2009</year></date></history><permissions><copyright-statement>Copyright © 2009, American Society of Plant Biologists</copyright-statement></permissions><abstract><p>We report here on the identification of the major plasma membrane (PM) ascorbate-reducible b-type cytochrome of bean (<italic>Phaseolus vulgaris</italic>) and soybean (<italic>Glycine max</italic>) hypocotyls as orthologs of Arabidopsis (<italic>Arabidopsis thaliana</italic>) AIR12 (for auxin induced in root cultures). Soybean AIR12, which is glycosylated and glycosylphosphatidylinositol-anchored to the external side of the PM in vivo, was expressed in <italic>Pichia pastoris</italic> in a recombinant form, lacking the glycosylphosphatidylinositol modification signal and purified from the culture medium. Recombinant AIR12 is a soluble protein predicted to fold into a <italic>β</italic>-sandwich domain and belonging to the DOMON (for dopamine <italic>β</italic>-monooxygenase N terminus) domain superfamily. It is shown to be a b-type cytochrome with a symmetrical <italic>α</italic>-band at 561 nm, fully reduced by ascorbate, and fully oxidized by monodehydroascorbate radical. AIR12 is a high-potential cytochrome b showing a wide bimodal dependence from the redox potential between +80 mV and +300 mV. Optical absorption and electron paramagnetic resonance analysis indicate that AIR12 binds a single, highly axial low-spin heme, likely coordinated by methionine-91 and histidine-76, which are strongly conserved in AIR12 sequences. Phylogenetic analyses reveal that the auxin-responsive genes <italic>AIR12</italic> represent a new family of PM b-type cytochromes specific to flowering plants. Circumstantial evidence suggests that AIR12 may interact with other redox partners within the PM to constitute a redox link between cytoplasm and apoplast.</p></abstract></article-meta><notes><fn-group><fn id="fn1"><label>1</label><p>This work was supported by the Ministero della Pubblica Istruzione (grants FIRB 2004 and PRIN 2007).</p></fn><fn><p>The author responsible for the 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="www.plantphysiol.org">www.plantphysiol.org</ext-link>) is: Valeria Preger (<email>valeria.preger@unibo.it</email>).</p></fn><fn id="fn3"><label>[C]</label><p>Some figures in this article are displayed in color online but in black and white in the print edition.</p></fn><fn id="fn4"><label>[W]</label><p>The online version of this article contains Web-only data.</p></fn><fn id="fn5"><label>[OA]</label><p>Open access articles can be viewed online without a subscription.</p></fn><fn><p><ext-link ext-link-type="uri" xlink:href="www.plantphysiol.org/cgi/doi/10.1104/pp.109.139170">www.plantphysiol.org/cgi/doi/10.1104/pp.109.139170</ext-link></p></fn></fn-group></notes></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Carbonera, Donatella" sort="Carbonera, Donatella" uniqKey="Carbonera D" first="Donatella" last="Carbonera">Donatella Carbonera</name><name sortKey="Costa, Alex" sort="Costa, Alex" uniqKey="Costa A" first="Alex" last="Costa">Alex Costa</name><name sortKey="Di Valentin, Marilena" sort="Di Valentin, Marilena" uniqKey="Di Valentin M" first="Marilena" last="Di Valentin">Marilena Di Valentin</name><name sortKey="Lemaire, Stephane D" sort="Lemaire, Stephane D" uniqKey="Lemaire S" first="Stéphane D." last="Lemaire">Stéphane D. Lemaire</name><name sortKey="Marchand, Christophe" sort="Marchand, Christophe" uniqKey="Marchand C" first="Christophe" last="Marchand">Christophe Marchand</name><name sortKey="Preger, Valeria" sort="Preger, Valeria" uniqKey="Preger V" first="Valeria" last="Preger">Valeria Preger</name><name sortKey="Pupillo, Paolo" sort="Pupillo, Paolo" uniqKey="Pupillo P" first="Paolo" last="Pupillo">Paolo Pupillo</name><name sortKey="Tango, Nunzio" sort="Tango, Nunzio" uniqKey="Tango N" first="Nunzio" last="Tango">Nunzio Tango</name><name sortKey="Trost, Paolo" sort="Trost, Paolo" uniqKey="Trost P" first="Paolo" last="Trost">Paolo Trost</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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