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14 results on '"Hadj-Arab, Houria"'

2. Combined cytogenetic and molecular methods for taxonomic verification and description of Brassica populations deriving from different origins

Author

Falentin, Cyril, primary, Hadj-Arab, Houria, additional, Aissiou, Fella, additional, Bartoli, Claudia, additional, Bazan, Giuseppe, additional, Boudet, Matéo, additional, Bousset-Vaslin, Lydia, additional, Chwikhi, Marwa, additional, Coriton, Olivier, additional, Deniot, Gwénaelle, additional, Ferreira de Carvalho, Julie, additional, Gay, Laurène, additional, Geraci, Anna, additional, Glory, Pascal, additional, Huteau, Virginie, additional, Ilahy, Riadh, additional, Ilardi, Vincenzo, additional, Jarillo, José A., additional, Meglic, Vladimir, additional, Oddo, Elisabetta, additional, Pernas, Monica, additional, Pineiro, Manuel, additional, Pipan, Barbara, additional, Rhim, Thouraya, additional, Richer, Vincent, additional, Rizza, Fulvia, additional, Ronfort, Joelle, additional, Rousseau-Gueutin, Mathieu, additional, Schicchi, Rosario, additional, Sinkovic, Lovro, additional, Taburel, Maryse, additional, Terzi, Valeria, additional, Théréné, Sylvain, additional, Tiret, Mathieu, additional, Tlili, Imen, additional, Wagner, Marie-Hélène, additional, Werner Badeck, Franz, additional, and Chèvre, Anne-Marie, additional

Published
2024
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5. Genetic diversity in Mediterranean Brassica vegetables: seed phenotyping could be useful for sustainable crop production

Author

European Commission, Wagner, Marie Hélène [0000-0001-6224-5271], Badeck, Franz Werner [0000-0001-7821-8825], Deniot, Gwenaëlle [0009-0004-1196-3256], Ducournau, Sylvie [0000-0002-8515-7730], Dupont, Audrey [0000-0002-0993-7209], Falentin, Cyril [0000-0002-9901-3412], Gay, Laurene [0000-0002-9861-8188], Geraci, Anna [0000-0002-4860-487X], Hadj-Arab, Houria [0009-0005-7352-7553], Jarillo, José Antonio [0000-0002-2963-7641], Meglic, Vladimir [0000-0002-7739-0145], Morcia, Caterina [0000-0001-5316-7435], Pipan, Barbara [0000-0002-3860-119X], Sinkovič, Lovro [0000-0002-6123-8085], Oddo, Elisabetta [0000-0003-1548-2551], Pernas Ochoa, Mónica [0000-0002-6521-9164], Piñeiro, Manuel [0000-0002-4640-6511], Richer, Vincent [0000-0002-3115-1173], Rizza, Fulvia [0000-0003-2933-5480], Ronfort, Jöelle [0000-0002-1011-308X], Schicchi, Rosario [0000-0001-8295-3670], Terzi, Valeria [0000-0002-8006-6805], Chèvre, Anne Marie [0000-0001-5312-032X], Wagner, Marie Hélène, Aïsiou, F., Badeck, Franz Werner, Deniot, Gwenaëlle, Ducournau, Sylvie, Dupont, Audrey, Falentin, Cyril, Gay, Laurene, Geraci, Anna, Glory, Pascal, Hadj-Arab, Houria, Jarillo, José Antonio, Meglic, Vladimir, Morcia, Caterina, Pipan, Barbara, Sinkovič, Lovro, Oddo, Elisabetta, Pernas Ochoa, Mónica, Piñeiro, Manuel, Richer, Vincent, Rizza, Fulvia, Ronfort, Jöelle, Schicchi, Rosario, Terzi, Valeria, Chèvre, Anne Marie, European Commission, Wagner, Marie Hélène [0000-0001-6224-5271], Badeck, Franz Werner [0000-0001-7821-8825], Deniot, Gwenaëlle [0009-0004-1196-3256], Ducournau, Sylvie [0000-0002-8515-7730], Dupont, Audrey [0000-0002-0993-7209], Falentin, Cyril [0000-0002-9901-3412], Gay, Laurene [0000-0002-9861-8188], Geraci, Anna [0000-0002-4860-487X], Hadj-Arab, Houria [0009-0005-7352-7553], Jarillo, José Antonio [0000-0002-2963-7641], Meglic, Vladimir [0000-0002-7739-0145], Morcia, Caterina [0000-0001-5316-7435], Pipan, Barbara [0000-0002-3860-119X], Sinkovič, Lovro [0000-0002-6123-8085], Oddo, Elisabetta [0000-0003-1548-2551], Pernas Ochoa, Mónica [0000-0002-6521-9164], Piñeiro, Manuel [0000-0002-4640-6511], Richer, Vincent [0000-0002-3115-1173], Rizza, Fulvia [0000-0003-2933-5480], Ronfort, Jöelle [0000-0002-1011-308X], Schicchi, Rosario [0000-0001-8295-3670], Terzi, Valeria [0000-0002-8006-6805], Chèvre, Anne Marie [0000-0001-5312-032X], Wagner, Marie Hélène, Aïsiou, F., Badeck, Franz Werner, Deniot, Gwenaëlle, Ducournau, Sylvie, Dupont, Audrey, Falentin, Cyril, Gay, Laurene, Geraci, Anna, Glory, Pascal, Hadj-Arab, Houria, Jarillo, José Antonio, Meglic, Vladimir, Morcia, Caterina, Pipan, Barbara, Sinkovič, Lovro, Oddo, Elisabetta, Pernas Ochoa, Mónica, Piñeiro, Manuel, Richer, Vincent, Rizza, Fulvia, Ronfort, Jöelle, Schicchi, Rosario, Terzi, Valeria, and Chèvre, Anne Marie

Abstract

The European BrasExplor project aims to explore the genetic diversity present in two economically important Brassica crop species, Brassica oleracea and B. rapa, for sustainable crop production. This diversity is present in wild populations but also in cultivated landraces and has been shaped by contrasting environments. An international consortium of 11 partners has begun to collect and multiply wild populations extending from the French North Atlantic coast to the southern Algerian desert as well as local cultivars from 6 contributing countries in order to characterize the genetic diversity available over a wide soil-climate gradient. A total of 100 populations has been obtained for each species. Identifying the genetic variation and understanding the basis for it will allow the development of breeding strategies for a better adaptation of turnip (Brassica rapa) and cabbage (Brassica oleracea var. capitata) to climate change. One third of the collection has been already phenotyped for its germination traits of native seeds harvested in 2020 for wild populations or of local landraces provided by farmers and seed banks. In favourable conditions, a high diversity in germination capacity and germination rate was observed independently of seed age. The two species have a different germination profile: some turnip seeds can stand higher temperature and lower water potential than most cabbage seeds. Variation in flowering time has also been documented in these plants.

Published
2023

7. Warnings/Cautions when collecting Brassica diversity along a large climatic gradient

Author

Falentin, Cyril, primary, Hadj-Arab, Houria, additional, Aissiou, Fella, additional, Bartoli, Claudia, additional, Bazan, Giuseppe, additional, Boudet, Mateo, additional, Bousset-Vaslin, Lydia, additional, Chwikhi, Marwa, additional, Coriton, Olivier, additional, Deniot, Gwenaelle, additional, Ferreira de Carvalho, Julie, additional, Gay, Laurene, additional, Geraci, Anna, additional, Glory, Pascal, additional, Huteau, Virginie, additional, Ilahy, Riadh, additional, Ilardi, Vicenzo, additional, Jarillo, Jose A., additional, Meglic, Vladimir, additional, Oddo, Elisabetta, additional, Pernas, Monica, additional, Manuel, Pineiro, additional, Pipan, Barbara, additional, Rhim, Thouraya, additional, Richer, Vincent, additional, Rizza, Fulvia, additional, Ronfort, Joelle, additional, Rousseau-Gueutin, Mathieu, additional, Schicchi, Rosario, additional, Sinkovic, Lovro, additional, Taburel, Maryse, additional, Terzi, Valeria, additional, Therene, Sylvain, additional, Tiret, Mathieu, additional, Tlili, Imen, additional, Werner Badeck, Franz, additional, and Chevre, Anne-Marie, additional

Published
2023
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9. Shift to self-compatibility in synthetic allopolyploid Brassica napus

Author

Azibi, Thanina, Rousseau-Gueutin, Mathieu, Trotoux, Gwenn, Lodé-Taburel, Maryse, Ferreira De Carvalho, Julie, Gilet, Marie-Madeleine, Hadj-Arab, Houria, Chèvre, Anne-Marie, Institut de Génétique, Environnement et Protection des Plantes (IGEPP), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), 24105 Bab Ezzouar, Université des Sciences et de la Technologie Houari Boumediene [Alger] (USTHB), Institut National de la Recherche Agronomique (INRA)-Université de Rennes (UR)-AGROCAMPUS OUEST, and Université des Sciences et de la Technologie Houari Boumediene = University of Sciences and Technology Houari Boumediene [Alger] (USTHB)

Subjects
[SDV.GEN.GPL]Life Sciences [q-bio]/Genetics/Plants genetics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2018

10. New insights into the genetic diversity and reproduction of Brassica rapa L

Author

Aïssiou, F., Rousseau-Gueutin, Mathieu, Laperche, Anne, Falentin, Cyril, Lodé-Taburel, Maryse, Deniot, Gwenaëlle, Regnier, F., Trotoux, Gwenn, Huteau, Virginie, Coriton, Olivier, Chèvre, Anne-Marie, Hadj-Arab, Houria, University of Sciences and Technology Houari Boumediene [Alger] (USTHB), Institut de Génétique, Environnement et Protection des Plantes (IGEPP), Institut National de la Recherche Agronomique (INRA)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Université des Sciences et de la Technologie Houari Boumediene = University of Sciences and Technology Houari Boumediene [Alger] (USTHB), and Institut National de la Recherche Agronomique (INRA)-Université de Rennes (UR)-AGROCAMPUS OUEST

Subjects
[SDV.GEN.GPL]Life Sciences [q-bio]/Genetics/Plants genetics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2018

11. Brassica rapa genetic resources from Algeria: diversity and population structure based on SSR markers

Author

Aïssiou, F., Falentin, Cyril, Laperche, Anne, Rousseau-Gueutin, Mathieu, Chèvre, Anne-Marie, Hadj-Arab, Houria, University of Sciences and Technology Houari Boumediene [Alger] (USTHB), Institut de Génétique, Environnement et Protection des Plantes (IGEPP), Institut National de la Recherche Agronomique (INRA)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), Université des Sciences et de la Technologie Houari Boumediene = University of Sciences and Technology Houari Boumediene [Alger] (USTHB), and Institut National de la Recherche Agronomique (INRA)-Université de Rennes (UR)-AGROCAMPUS OUEST

Subjects
[SDV.GEN.GPL]Life Sciences [q-bio]/Genetics/Plants genetics, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2017

12. Impact of whole genome triplication on the evolutionary history and the functional dynamics of regulatory genes involved in Brassicaself-incompatibility signalling pathway

Author

Azibi, Thanina, Hadj-Arab, Houria, Lodé, Maryse, Ferreira de Carvalho, Julie, Trotoux, Gwenn, Nègre, Sylvie, Gilet, Marie-Madeleine, Boutte, Julien, Lucas, Jérémy, Vekemans, Xavier, Chèvre, Anne-Marie, and Rousseau-Gueutin, Mathieu

Abstract

Polyploidy or whole genome duplication is a frequent and recurrent phenomenon in flowering plants that has played a major role in their diversification, adaptation and speciation. The adaptive success of polyploids relates to the different evolutionary fates of duplicated genes. In this study, we explored the impact of the whole genome triplication (WGT) event in the Brassiceae tribe on the genes involved in the self-incompatibility (SI) signalling pathway, a mechanism allowing recognition and rejection of self-pollen in hermaphrodite plants. By taking advantage of the knowledge acquired on this pathway as well as of several reference genomes in Brassicaceae species, we determined copy number of the different genes involved in this pathway and investigated their structural and functional evolutionary dynamics. We could infer that whereas most genes involved in the SI signalling returned to single copies after the WGT event (i.e. ARC1, JDP1, THL1, THL2, Exo70A01) in diploid Brassicaspecies, a few were retained in duplicated (GLO1and PLDα) or triplicated copies (MLPK). We also carefully studied the gene structure of these latter duplicated genes (including the conservation of functional domains and active sites) and tested their transcription in the stigma to identify which copies seem to be involved in the SI signalling pathway. By taking advantage of these analyses, we then explored the putative origin of a contrasted SI phenotype between two Brassica rapavarieties that have been fully sequenced and shared the same S-allele (S60).

Published
2020
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14. Variability of the self-incompatibility reaction in Brassica oleracea L. with S 15 haplotype.

Author

Hadj-Arab, Houria, Chèvre, Anne-Marie, Gaude, Thierry, and Chable, Véronique

Subjects
*PLANT self-incompatibility, *EVOLUTIONARY theories, *COLE crops, *BIOLOGICAL variation, *POLLEN
Abstract

Self-incompatibility (SI) is thought to have played a key role in the evolution of species as it promotes their outcrossing through the recognition and rejection of self-pollen grains. In most species, SI is under the control of a complex, multiallelic S-locus. The recognition system is associated with quantitative variations of the strength of the SI reaction; the origin of these variations is still not elucidated. To define the genetic regulations involved, we studied the variability of the SI response in homozygous S 15 S 15 plants in cauliflower. These plants were obtained from a self-progeny of a self-compatible (SC) plant heterozygous for S 15, which was generated after five selfing generations from one strongly self-incompatible initial plant. We found a continuous phenotypic variation for SI response in the offspring plants homozygous for the S 15 haplotype, from the strict SI reaction to self-compatibility, with a great proportion of the plants being partially self-compatible (PSC). Decrease in SI levels was also observed during the life of the flower. The number of pollen tubes passing through the stigma barrier was higher when counted 3 or 5 days after pollination than one day after pollination. Analysis of the expression of the two key genes regulating self-pollen recognition in cauliflower, the S-locus receptor kinase (SRK) and S-locus cysteine-rich (SCR/SP11) genes, revealed that self-compatibility or PSC was associated with decreased SRK or SCR/SP11 expression. Our work shows the particularly high level of phenotypic plasticity of the SI response associated with certain S-haplotypes in cauliflower. [ABSTRACT FROM AUTHOR]

Published
2010
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