Carotenoid accumulation in postharvest "Cara Cara" navel orange (Citrus sinensis Osbeck) fruits stored at different temperatures was transcriptionally regulated in a tissue-dependent manner
Identifieur interne : 001624 ( Main/Exploration ); précédent : 001623; suivant : 001625Carotenoid accumulation in postharvest "Cara Cara" navel orange (Citrus sinensis Osbeck) fruits stored at different temperatures was transcriptionally regulated in a tissue-dependent manner
Auteurs : NENGGUO TAO [République populaire de Chine] ; CHANGFENG WANG [République populaire de Chine] ; JUAN XU [République populaire de Chine] ; YUNJIANG CHENG [République populaire de Chine]Source :
- Plant cell reports : (Print) [ 0721-7714 ] ; 2012.
Descripteurs français
- Pascal (Inist)
- Wicri :
English descriptors
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Abstract
The main objective of this work was to investigate the effect of storage temperature (4 and 20 °C) on carotenoid accumulation and on the expression levels of seven carotenoid biosynthetic genes (Psy, Pds, Zds, Lcyb, Lcye, Hyb and Zep) in postharvest 'Cara Cara' navel orange (C. sinensis Osbeck) fruits. Storage at 20 °C rapidly increased the carotenoid content in the peel, whereas the content remained unchanged in the pulp before 35 days of storage. By contrast, storage at 4 °C maintained the carotenoid content in the peel before 35 days of storage, after which it slightly increased as time progressed. However, the content in the pulp gradually increased over the entire storage period. In the peel, the gene expressions of Psy and Lcyb were up-regulated at 20 °C but remained unchanged at 4 °C. In addition, the gene expressions of Zds, Hyb, and Zep were repressed at both temperatures before the early storage, followed by a rapid increase only at 20 °C. Then the expressions remained constant level at both temperatures, with the expression level at 20 °C higher than that at 4 °C. Low temperature (4 °C) apparently induced the expression of all the test carotenoid biosynthetic genes in the pulp, in contrast to the nearly stable level at 20 °C. Our present study suggests that the carotenoid biosynthesis in postharvest 'Cara Cara' fruits is transcriptionally regulated, and storage temperature affects the carotenoid accumulation and gene expression in a tissue-dependent manner. Key message Temperature could affect the carotenoid biosynthesis in postharvest 'Cara Cara' fruits in a tissue-dependent manner. The carotenoid biosynthesis in postharvest 'Cara Cara' fruits was transcriptionally regulated by correlated genes.
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sortKey="Nengguo Tao" sort="Nengguo Tao" uniqKey="Nengguo Tao" last="Nengguo Tao">NENGGUO TAO</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>College of Chemical Engineering, Xiangtan University</s1><s2>411105 Xiangtan</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>411105 Xiangtan</wicri:noRegion></affiliation></author><author><name sortKey="Changfeng Wang" sort="Changfeng Wang" uniqKey="Changfeng Wang" last="Changfeng Wang">CHANGFENG WANG</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>College of Chemical Engineering, Xiangtan University</s1><s2>411105 Xiangtan</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>411105 Xiangtan</wicri:noRegion></affiliation></author><author><name sortKey="Juan Xu" sort="Juan Xu" uniqKey="Juan Xu" last="Juan Xu">JUAN XU</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University</s1><s2>430070 Wuhan</s2><s3>CHN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>430070 Wuhan</wicri:noRegion></affiliation></author><author><name sortKey="Yunjiang Cheng" sort="Yunjiang Cheng" uniqKey="Yunjiang Cheng" last="Yunjiang Cheng">YUNJIANG CHENG</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University</s1><s2>430070 Wuhan</s2><s3>CHN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>430070 Wuhan</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Plant cell reports : (Print)</title><title level="j" type="abbreviated">Plant cell rep. : (Print)</title><idno type="ISSN">0721-7714</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Plant cell reports : (Print)</title><title level="j" type="abbreviated">Plant cell rep. : (Print)</title><idno type="ISSN">0721-7714</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Accumulation</term><term>Biosynthesis</term><term>Carotenoid</term><term>Citrus fruit</term><term>Citrus sinensis</term><term>Fruit</term><term>Gene expression</term><term>Orange</term><term>Postharvest</term><term>Regulation(control)</term><term>Temperature</term><term>Vegetals</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Caroténoïde</term><term>Accumulation</term><term>Après récolte</term><term>Citrus sinensis</term><term>Orange</term><term>Agrume</term><term>Température</term><term>Régulation</term><term>Biosynthèse</term><term>Expression génique</term><term>Fruit</term><term>Végétal</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Agrume</term><term>Fruit</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The main objective of this work was to investigate the effect of storage temperature (4 and 20 °C) on carotenoid accumulation and on the expression levels of seven carotenoid biosynthetic genes (Psy, Pds, Zds, Lcyb, Lcye, Hyb and Zep) in postharvest 'Cara Cara' navel orange (C. sinensis Osbeck) fruits. Storage at 20 °C rapidly increased the carotenoid content in the peel, whereas the content remained unchanged in the pulp before 35 days of storage. By contrast, storage at 4 °C maintained the carotenoid content in the peel before 35 days of storage, after which it slightly increased as time progressed. However, the content in the pulp gradually increased over the entire storage period. In the peel, the gene expressions of Psy and Lcyb were up-regulated at 20 °C but remained unchanged at 4 °C. In addition, the gene expressions of Zds, Hyb, and Zep were repressed at both temperatures before the early storage, followed by a rapid increase only at 20 °C. Then the expressions remained constant level at both temperatures, with the expression level at 20 °C higher than that at 4 °C. Low temperature (4 °C) apparently induced the expression of all the test carotenoid biosynthetic genes in the pulp, in contrast to the nearly stable level at 20 °C. Our present study suggests that the carotenoid biosynthesis in postharvest 'Cara Cara' fruits is transcriptionally regulated, and storage temperature affects the carotenoid accumulation and gene expression in a tissue-dependent manner. Key message Temperature could affect the carotenoid biosynthesis in postharvest 'Cara Cara' fruits in a tissue-dependent manner. The carotenoid biosynthesis in postharvest 'Cara Cara' fruits was transcriptionally regulated by correlated genes.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Nengguo Tao" sort="Nengguo Tao" uniqKey="Nengguo Tao" last="Nengguo Tao">NENGGUO TAO</name></noRegion><name sortKey="Changfeng Wang" sort="Changfeng Wang" uniqKey="Changfeng Wang" last="Changfeng Wang">CHANGFENG WANG</name><name sortKey="Juan Xu" sort="Juan Xu" uniqKey="Juan Xu" last="Juan Xu">JUAN XU</name><name sortKey="Yunjiang Cheng" sort="Yunjiang Cheng" uniqKey="Yunjiang Cheng" last="Yunjiang Cheng">YUNJIANG CHENG</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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