Chromoplast Differentiation: Current Status and Perspectives
Identifieur interne : 000110 ( France/Analysis ); précédent : 000109; suivant : 000111Chromoplast Differentiation: Current Status and Perspectives
Auteurs : Isabel Egea [France] ; Cristina Barsan [France] ; Wanping Bian [France] ; Eduardo Purgatto [Brésil] ; Alain Latché [France] ; Christian Chervin [France] ; Mondher Bouzayen [France] ; Jean-Claude Pech [France]Source :
- Plant and Cell Physiology [ 0032-0781 ] ; 2010-10.
Abstract
Chromoplasts are carotenoid-accumulating plastids conferring color to many flowers and fruits as well as to some tubers and roots. Chromoplast differentiation proceeds from preexisting plastids, most often chloroplasts. One of the most prominent changes is remodeling of the internal membrane system associated with the formation of carotenoid-accumulating structures. During the differentiation process the plastid genome is essentially stable and transcriptional activity is restricted. The buildup of the chromoplast for specific metabolic characteristics is essentially dependent upon the transcriptional activity of the nucleus. Important progress has been made in terms of mediation of the chloroplast-to-chromoplast transition with the discovery of the crucial role of the Or gene. In this article we review recent developments in the structural, biochemical and molecular aspects of chromoplast differentiation and also consider the reverse differentiation of chromoplasts into chloroplast-like structures during the regreening process occurring in some fruit. Future perspectives toward a full understanding of chromoplast differentiation include in-depth knowledge of the changes occurring in the plastidial proteome during chromoplastogenesis, elucidation of the role of hormones and the search for signals that govern the dialog between the nuclear and the chromoplastic genome.
Url:
DOI: 10.1093/pcp/pcq136
Affiliations:
- Brésil, France
- Midi-Pyrénées, Occitanie (région administrative), État de São Paulo
- São Paulo
- Université de São Paulo
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ISTEX:00E5302A84BC74E3181867F83436959EEE4F7AD8Le document en format XML
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ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Chromoplasts are carotenoid-accumulating plastids conferring color to many flowers and fruits as well as to some tubers and roots. Chromoplast differentiation proceeds from preexisting plastids, most often chloroplasts. One of the most prominent changes is remodeling of the internal membrane system associated with the formation of carotenoid-accumulating structures. During the differentiation process the plastid genome is essentially stable and transcriptional activity is restricted. The buildup of the chromoplast for specific metabolic characteristics is essentially dependent upon the transcriptional activity of the nucleus. Important progress has been made in terms of mediation of the chloroplast-to-chromoplast transition with the discovery of the crucial role of the Or gene. In this article we review recent developments in the structural, biochemical and molecular aspects of chromoplast differentiation and also consider the reverse differentiation of chromoplasts into chloroplast-like structures during the regreening process occurring in some fruit. Future perspectives toward a full understanding of chromoplast differentiation include in-depth knowledge of the changes occurring in the plastidial proteome during chromoplastogenesis, elucidation of the role of hormones and the search for signals that govern the dialog between the nuclear and the chromoplastic genome.</div></front></TEI><affiliations><list><country><li>Brésil</li><li>France</li></country><region><li>Midi-Pyrénées</li><li>Occitanie (région administrative)</li><li>État de São Paulo</li></region><settlement><li>São Paulo</li></settlement><orgName><li>Université de São Paulo</li></orgName></list><tree><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Egea, Isabel" sort="Egea, Isabel" uniqKey="Egea I" first="Isabel" last="Egea">Isabel Egea</name></region><name sortKey="Barsan, Cristina" sort="Barsan, Cristina" uniqKey="Barsan C" first="Cristina" last="Barsan">Cristina Barsan</name><name sortKey="Barsan, Cristina" sort="Barsan, Cristina" uniqKey="Barsan C" first="Cristina" last="Barsan">Cristina Barsan</name><name sortKey="Bian, Wanping" sort="Bian, Wanping" uniqKey="Bian W" first="Wanping" last="Bian">Wanping Bian</name><name sortKey="Bian, Wanping" sort="Bian, Wanping" uniqKey="Bian W" first="Wanping" last="Bian">Wanping Bian</name><name sortKey="Bouzayen, Mondher" sort="Bouzayen, Mondher" uniqKey="Bouzayen M" first="Mondher" last="Bouzayen">Mondher Bouzayen</name><name sortKey="Bouzayen, Mondher" sort="Bouzayen, Mondher" uniqKey="Bouzayen M" first="Mondher" last="Bouzayen">Mondher Bouzayen</name><name sortKey="Chervin, Christian" sort="Chervin, Christian" uniqKey="Chervin C" first="Christian" last="Chervin">Christian Chervin</name><name sortKey="Chervin, Christian" sort="Chervin, Christian" uniqKey="Chervin C" first="Christian" last="Chervin">Christian Chervin</name><name sortKey="Egea, Isabel" sort="Egea, Isabel" uniqKey="Egea I" first="Isabel" last="Egea">Isabel Egea</name><name sortKey="Egea, Isabel" sort="Egea, Isabel" uniqKey="Egea I" first="Isabel" last="Egea">Isabel Egea</name><name sortKey="Latche, Alain" sort="Latche, Alain" uniqKey="Latche A" first="Alain" last="Latché">Alain Latché</name><name sortKey="Latche, Alain" sort="Latche, Alain" uniqKey="Latche A" first="Alain" last="Latché">Alain Latché</name><name sortKey="Pech, Jean Claude" sort="Pech, Jean Claude" uniqKey="Pech J" first="Jean-Claude" last="Pech">Jean-Claude Pech</name><name sortKey="Pech, Jean Claude" sort="Pech, Jean Claude" uniqKey="Pech J" first="Jean-Claude" last="Pech">Jean-Claude Pech</name><name sortKey="Pech, Jean Claude" sort="Pech, Jean Claude" uniqKey="Pech J" first="Jean-Claude" last="Pech">Jean-Claude Pech</name></country><country name="Brésil"><region name="État de São Paulo"><name sortKey="Purgatto, Eduardo" sort="Purgatto, Eduardo" uniqKey="Purgatto E" first="Eduardo" last="Purgatto">Eduardo Purgatto</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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