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An Evaluation of the Basis and Consequences of a Stay-Green Mutation in the navel negra Citrus Mutant Using Transcriptomic and Proteomic Profiling and Metabolite Analysis1[W]

Identifieur interne : 000819 ( Pmc/Corpus ); précédent : 000818; suivant : 000820

An Evaluation of the Basis and Consequences of a Stay-Green Mutation in the navel negra Citrus Mutant Using Transcriptomic and Proteomic Profiling and Metabolite Analysis1[W]

Auteurs : Enriqueta Al S ; María Roca ; Domingo José Iglesias ; Maria Isabel Mínguez-Mosquera ; Cynthia Maria Borges Damasceno ; Theodore William Thannhauser ; Jocelyn Kenneth Campbell Rose ; Manuel Tal N ; Manuel Cerc S

Source :

RBID : PMC:2442528

Abstract

A Citrus sinensis spontaneous mutant, navel negra (nan), produces fruit with an abnormal brown-colored flavedo during ripening. Analysis of pigment composition in the wild-type and nan flavedo suggested that typical ripening-related chlorophyll (Chl) degradation, but not carotenoid biosynthesis, was impaired in the mutant, identifying nan as a type C stay-green mutant. nan exhibited normal expression of Chl biosynthetic and catabolic genes and chlorophyllase activity but no accumulation of dephytylated Chl compounds during ripening, suggesting that the mutation is not related to a lesion in any of the principal enzymatic steps in Chl catabolism. Transcript profiling using a citrus microarray indicated that a citrus ortholog of a number of SGR (for STAY-GREEN) genes was expressed at substantially lower levels in nan, both prior to and during ripening. However, the pattern of catabolite accumulation and SGR sequence analysis suggested that the nan mutation is distinct from those in previously described stay-green mutants and is associated with an upstream regulatory step, rather than directly influencing a specific component of Chl catabolism. Transcriptomic and comparative proteomic profiling further indicated that the nan mutation resulted in the suppressed expression of numerous photosynthesis-related genes and in the induction of genes that are associated with oxidative stress. These data, along with metabolite analyses, suggest that nan fruit employ a number of molecular mechanisms to compensate for the elevated Chl levels and associated photooxidative stress.


Url:
DOI: 10.1104/pp.108.119917
PubMed: 18467459
PubMed Central: 2442528

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PMC:2442528

Le document en format XML

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<title xml:lang="en">An Evaluation of the Basis and Consequences of a Stay-Green Mutation in the
<italic>navel negra</italic>
Citrus Mutant Using Transcriptomic and Proteomic Profiling and Metabolite Analysis
<xref ref-type="fn" rid="fn1">1</xref>
<xref ref-type="fn" rid="fn3">[W]</xref>
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<name sortKey="Iglesias, Domingo Jose" sort="Iglesias, Domingo Jose" uniqKey="Iglesias D" first="Domingo José" last="Iglesias">Domingo José Iglesias</name>
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<name sortKey="Minguez Mosquera, Maria Isabel" sort="Minguez Mosquera, Maria Isabel" uniqKey="Minguez Mosquera M" first="Maria Isabel" last="Mínguez-Mosquera">Maria Isabel Mínguez-Mosquera</name>
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<name sortKey="Damasceno, Cynthia Maria Borges" sort="Damasceno, Cynthia Maria Borges" uniqKey="Damasceno C" first="Cynthia Maria Borges" last="Damasceno">Cynthia Maria Borges Damasceno</name>
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<name sortKey="Rose, Jocelyn Kenneth Campbell" sort="Rose, Jocelyn Kenneth Campbell" uniqKey="Rose J" first="Jocelyn Kenneth Campbell" last="Rose">Jocelyn Kenneth Campbell Rose</name>
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<name sortKey="Tal N, Manuel" sort="Tal N, Manuel" uniqKey="Tal N M" first="Manuel" last="Tal N">Manuel Tal N</name>
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<title xml:lang="en" level="a" type="main">An Evaluation of the Basis and Consequences of a Stay-Green Mutation in the
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Citrus Mutant Using Transcriptomic and Proteomic Profiling and Metabolite Analysis
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<xref ref-type="fn" rid="fn3">[W]</xref>
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<name sortKey="Iglesias, Domingo Jose" sort="Iglesias, Domingo Jose" uniqKey="Iglesias D" first="Domingo José" last="Iglesias">Domingo José Iglesias</name>
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<name sortKey="Minguez Mosquera, Maria Isabel" sort="Minguez Mosquera, Maria Isabel" uniqKey="Minguez Mosquera M" first="Maria Isabel" last="Mínguez-Mosquera">Maria Isabel Mínguez-Mosquera</name>
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<name sortKey="Damasceno, Cynthia Maria Borges" sort="Damasceno, Cynthia Maria Borges" uniqKey="Damasceno C" first="Cynthia Maria Borges" last="Damasceno">Cynthia Maria Borges Damasceno</name>
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<author>
<name sortKey="Thannhauser, Theodore William" sort="Thannhauser, Theodore William" uniqKey="Thannhauser T" first="Theodore William" last="Thannhauser">Theodore William Thannhauser</name>
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<name sortKey="Rose, Jocelyn Kenneth Campbell" sort="Rose, Jocelyn Kenneth Campbell" uniqKey="Rose J" first="Jocelyn Kenneth Campbell" last="Rose">Jocelyn Kenneth Campbell Rose</name>
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<name sortKey="Tal N, Manuel" sort="Tal N, Manuel" uniqKey="Tal N M" first="Manuel" last="Tal N">Manuel Tal N</name>
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<series>
<title level="j">Plant Physiology</title>
<idno type="ISSN">0032-0889</idno>
<idno type="eISSN">1532-2548</idno>
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<date when="2008">2008</date>
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<front>
<div type="abstract" xml:lang="en">
<p>A
<italic>Citrus sinensis</italic>
spontaneous mutant,
<italic>navel negra</italic>
(
<italic>nan</italic>
), produces fruit with an abnormal brown-colored flavedo during ripening. Analysis of pigment composition in the wild-type and
<italic>nan</italic>
flavedo suggested that typical ripening-related chlorophyll (Chl) degradation, but not carotenoid biosynthesis, was impaired in the mutant, identifying
<italic>nan</italic>
as a type C stay-green mutant.
<italic>nan</italic>
exhibited normal expression of Chl biosynthetic and catabolic genes and chlorophyllase activity but no accumulation of dephytylated Chl compounds during ripening, suggesting that the mutation is not related to a lesion in any of the principal enzymatic steps in Chl catabolism. Transcript profiling using a citrus microarray indicated that a citrus ortholog of a number of
<italic>SGR</italic>
(for
<italic>STAY-GREEN</italic>
) genes was expressed at substantially lower levels in
<italic>nan</italic>
, both prior to and during ripening. However, the pattern of catabolite accumulation and
<italic>SGR</italic>
sequence analysis suggested that the
<italic>nan</italic>
mutation is distinct from those in previously described stay-green mutants and is associated with an upstream regulatory step, rather than directly influencing a specific component of Chl catabolism. Transcriptomic and comparative proteomic profiling further indicated that the
<italic>nan</italic>
mutation resulted in the suppressed expression of numerous photosynthesis-related genes and in the induction of genes that are associated with oxidative stress. These data, along with metabolite analyses, suggest that
<italic>nan</italic>
fruit employ a number of molecular mechanisms to compensate for the elevated Chl levels and associated photooxidative stress.</p>
</div>
</front>
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<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>
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<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">18467459</article-id>
<article-id pub-id-type="pmc">2442528</article-id>
<article-id pub-id-type="publisher-id">119917</article-id>
<article-id pub-id-type="doi">10.1104/pp.108.119917</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Research Article</subject>
<subj-group>
<subject>Systems Biology, Molecular Biology, and Gene Regulation</subject>
</subj-group>
</subj-group>
</article-categories>
<title-group>
<article-title>An Evaluation of the Basis and Consequences of a Stay-Green Mutation in the
<italic>navel negra</italic>
Citrus Mutant Using Transcriptomic and Proteomic Profiling and Metabolite Analysis
<xref ref-type="fn" rid="fn1">1</xref>
<xref ref-type="fn" rid="fn3">[W]</xref>
</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Alós</surname>
<given-names>Enriqueta</given-names>
</name>
<xref ref-type="fn" rid="fn2">2</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Roca</surname>
<given-names>María</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Iglesias</surname>
<given-names>Domingo José</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Mínguez-Mosquera</surname>
<given-names>Maria Isabel</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Damasceno</surname>
<given-names>Cynthia Maria Borges</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Thannhauser</surname>
<given-names>Theodore William</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Rose</surname>
<given-names>Jocelyn Kenneth Campbell</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Talón</surname>
<given-names>Manuel</given-names>
</name>
<xref ref-type="corresp" rid="cor1">*</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Cercós</surname>
<given-names>Manuel</given-names>
</name>
</contrib>
</contrib-group>
<aff id="N0x1cd8f30N0x3ae5d28">Instituto Valenciano de Investigaciones Agrarias, Centro de Genómica, 46113 Moncada, Valencia, Spain (E.A., D.J.I., M.T., M.C.); Chemistry and Biochemistry Pigments Group, Food Biotechnology Department, Instituto de la Grasa, Consejo Superior de Investigaciones Científicas, 41012 Sevilla, Spain (M.R., M.I.M.-M.); Department of Plant Biology, Cornell University, Ithaca, New York 14853 (C.M.B.D., J.K.C.R.); and U.S. Department of Agriculture Plant, Soil, and Nutrition Laboratory, Cornell University, Ithaca, New York 14853 (T.W.T.)</aff>
<author-notes>
<fn id="cor1">
<label>*</label>
<p>Corresponding author; e-mail
<email>talon_man@gva.es</email>
.</p>
</fn>
<fn id="fn2">
<label>2</label>
<p>Present address: Department of Cell and Developmental Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK.</p>
</fn>
</author-notes>
<pub-date pub-type="ppub">
<month>7</month>
<year>2008</year>
</pub-date>
<volume>147</volume>
<issue>3</issue>
<fpage>1300</fpage>
<lpage>1315</lpage>
<history>
<date date-type="received">
<day>27</day>
<month>3</month>
<year>2008</year>
</date>
<date date-type="accepted">
<day>5</day>
<month>5</month>
<year>2008</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright © 2008, American Society of Plant Biologists</copyright-statement>
</permissions>
<abstract>
<p>A
<italic>Citrus sinensis</italic>
spontaneous mutant,
<italic>navel negra</italic>
(
<italic>nan</italic>
), produces fruit with an abnormal brown-colored flavedo during ripening. Analysis of pigment composition in the wild-type and
<italic>nan</italic>
flavedo suggested that typical ripening-related chlorophyll (Chl) degradation, but not carotenoid biosynthesis, was impaired in the mutant, identifying
<italic>nan</italic>
as a type C stay-green mutant.
<italic>nan</italic>
exhibited normal expression of Chl biosynthetic and catabolic genes and chlorophyllase activity but no accumulation of dephytylated Chl compounds during ripening, suggesting that the mutation is not related to a lesion in any of the principal enzymatic steps in Chl catabolism. Transcript profiling using a citrus microarray indicated that a citrus ortholog of a number of
<italic>SGR</italic>
(for
<italic>STAY-GREEN</italic>
) genes was expressed at substantially lower levels in
<italic>nan</italic>
, both prior to and during ripening. However, the pattern of catabolite accumulation and
<italic>SGR</italic>
sequence analysis suggested that the
<italic>nan</italic>
mutation is distinct from those in previously described stay-green mutants and is associated with an upstream regulatory step, rather than directly influencing a specific component of Chl catabolism. Transcriptomic and comparative proteomic profiling further indicated that the
<italic>nan</italic>
mutation resulted in the suppressed expression of numerous photosynthesis-related genes and in the induction of genes that are associated with oxidative stress. These data, along with metabolite analyses, suggest that
<italic>nan</italic>
fruit employ a number of molecular mechanisms to compensate for the elevated Chl levels and associated photooxidative stress.</p>
</abstract>
</article-meta>
<notes>
<fn-group>
<fn id="fn1">
<label>1</label>
<p>This work was supported by the Spanish Ministerio de Ciencia y Tecnología (grant nos. AGL2003–08502–C04–01 and GEN2001–4885–C05–03) and the Instituto Nacional de Investigaciones Agrarias (grant nos. RTA03–106, RTA04–013, and RTA05–247). E.A. was the recipient of an Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA) predoctoral fellowship, and D.J.I. and M.C. were the recipients of INIA-Comunidades Autónomas contracts. J.K.C.R. was supported by the National Science Foundation's Plant Genome Program (award no. DBI 0606595).</p>
</fn>
<fn>
<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="www.plantphysiol.org">www.plantphysiol.org</ext-link>
) is: Manuel Talón (
<email>talon_man@gva.es</email>
).</p>
</fn>
<fn id="fn3">
<label>[W]</label>
<p>The online version of this article contains Web-only data.</p>
</fn>
<fn>
<p>
<ext-link ext-link-type="uri" xlink:href="www.plantphysiol.org/cgi/doi/10.1104/pp.108.119917">www.plantphysiol.org/cgi/doi/10.1104/pp.108.119917</ext-link>
</p>
</fn>
</fn-group>
</notes>
</front>
</pmc>
</record>

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