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Expansion de familles de gènes de la voie de l’éthylène chez le bananier
20/06/2014
Les duplications du génome entier sont très répandues chez les plantes. Les gènes ainsi dupliqués sont majoritairement éliminés au cours de l’évolution mais certains sont conservés en plusieurs copies. L’impact des trois duplications du génome entier du bananier sur l’évolution des gènes a été étudié à l’échelle d’une voie biologique, celle de l’éthylène, l’hormone végétale qui fait murir les fruits du bananier.
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19/05/2014
The aim of the present study was to perform a genomic analysis of non-specific lipid-transfer proteins (nsLTPs) in coffee. Several nsLTPs-encoding cDNA and gene sequences were cloned from Coffea arabica and Coffea canephora species.
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Certifié norme spécifique NFS96-900 aux Antilles
05/05/2014
Le Centre de ressources biologiques plantes tropicales (CRB-PT) géré aux Antilles par le Cirad et l’Inra vient d’être certifié selon la norme spécifique aux centres de ressources biologiques : NF S96-900. Un gage de professionnalisme et de qualité.
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Export of Quality management process in Senegal
08/04/2014
WAAPP / PPAAO (West African agricultural productivity program) asked for the experts of the Agap Joint Unit to realize quality analysis of their laboratories. Indeed, the World Bank finances a vast project of rehabilitation of researches facilities, provides that they obtain an international certification (ISO).
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Workshop on Phenotyping Data Management and Interoperability
03/04/2014
A Workshop on Crop Ontology and Phenotyping Data Interoperability will be held at CIRAD in Montpellier, France on 31 March-4th April 2014. Only the presentations of the 3rd April will be public (Cirad Campus de Lavalette, amphitheater, J. Alliot) and they will be focused on Phenotyping Data Management and Interoperability. Participants will include members of the Crop Ontology community and members of the GIS BV Thematic Committee “Bioinformatics and Data Management”.
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Two evolutionarily distinct classes of paleopolyploidy
26/02/2014
Cette étude porte sur l’évolution des gènes dupliqués après les derniers événements de paléo-polyploïdisation de 8 génomes de plantes (bananier, peuplier, soja, medicago, Arabidopsis, sorgho, brassica et maïs). La paléopolyploïdie fait référence à une duplication complète du génome survenue il y a plusieurs millions d’années. Ces évènements de polyploïdisation sont particulièrement fréquents chez les plantes et jouent un rôle majeur dans l’évolution des génomes.
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01/01/2014
The species Coffea canephora, which produces Robusta coffee, has substantial genetic diversity, which could almost certainly be better exploited in breeding programmes were it characterized better. A team from CIRAD recently analysed that diversity using microsatellite markers. This was the first truly comprehensive genetic study of the species. It confirmed the existence of diversity groups, analysed the relations between them and determined the genetic structure of the species, particularly the role played by refuge zones during the last glacial maximum and the effect of human intervention on its construction. The results are crucial for the management and use of genetic resource collections.
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17/12/2013
Christian Leclerc has been awarded the 2013 Paul Bouteiller Prize by the Académie des Sciences d’Outre Mer, for his book L'adoption de l'agriculture chez les Pygmées baka du Cameroun.
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05/11/2013
This congress proposes an overview of research projects studying plant tolerance to biotic and abiotic stresses in the Brazil and France by genomics, physiology and genetics approaches.
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