Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm
In wheat, remobilization of nitrogen absorbed before anthesis and regulation of monocarpic senescence is a major issue in breeding for nutrient use efficiency. We identified natural variants of NAM-A1, a gene having the same role as its well-characterized homoeolog NAM-B1, a NAC transcription factor associated with senescence kinetics and nutrient remobilization to the grain. Differences in haplotype frequencies between a worldwide core collection and a panel of European elite varieties were assessed and discussed. Moreover, hypotheses for the loss of function of the most common haplotype in elite European germplasm are discussed.
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Subjects: | F30 - Génétique et amélioration des plantes, Triticum turgidum, Triticum aestivum, Triticum, Transcription génique, germoplasme, http://aims.fao.org/aos/agrovoc/c_7958, http://aims.fao.org/aos/agrovoc/c_7951, http://aims.fao.org/aos/agrovoc/c_7950, http://aims.fao.org/aos/agrovoc/c_35128, http://aims.fao.org/aos/agrovoc/c_3249, |
Online Access: | http://agritrop.cirad.fr/587090/ http://agritrop.cirad.fr/587090/1/NAM-A1.pdf |
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dig-cirad-fr-5870902024-01-29T05:42:41Z http://agritrop.cirad.fr/587090/ http://agritrop.cirad.fr/587090/ Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm. Cormier Fabien, Throude Mickaël, Ravel Catherine, Le Gouis Jacques, Leveugle Magalie, Lafarge Stéphane, Exbrayat Florence, Duranton Nadine, Praud Sébastien. 2015. Agronomy (Basel), 5 (4) : 143-151.https://doi.org/10.3390/agronomy5020143 <https://doi.org/10.3390/agronomy5020143> Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm Cormier, Fabien Throude, Mickaël Ravel, Catherine Le Gouis, Jacques Leveugle, Magalie Lafarge, Stéphane Exbrayat, Florence Duranton, Nadine Praud, Sébastien eng 2015 Agronomy (Basel) F30 - Génétique et amélioration des plantes Triticum turgidum Triticum aestivum Triticum Transcription génique germoplasme http://aims.fao.org/aos/agrovoc/c_7958 http://aims.fao.org/aos/agrovoc/c_7951 http://aims.fao.org/aos/agrovoc/c_7950 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_3249 In wheat, remobilization of nitrogen absorbed before anthesis and regulation of monocarpic senescence is a major issue in breeding for nutrient use efficiency. We identified natural variants of NAM-A1, a gene having the same role as its well-characterized homoeolog NAM-B1, a NAC transcription factor associated with senescence kinetics and nutrient remobilization to the grain. Differences in haplotype frequencies between a worldwide core collection and a panel of European elite varieties were assessed and discussed. Moreover, hypotheses for the loss of function of the most common haplotype in elite European germplasm are discussed. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/587090/1/NAM-A1.pdf text Cirad license info:eu-repo/semantics/openAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.3390/agronomy5020143 10.3390/agronomy5020143 info:eu-repo/semantics/altIdentifier/doi/10.3390/agronomy5020143 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.3390/agronomy5020143 |
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F30 - Génétique et amélioration des plantes Triticum turgidum Triticum aestivum Triticum Transcription génique germoplasme http://aims.fao.org/aos/agrovoc/c_7958 http://aims.fao.org/aos/agrovoc/c_7951 http://aims.fao.org/aos/agrovoc/c_7950 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_3249 F30 - Génétique et amélioration des plantes Triticum turgidum Triticum aestivum Triticum Transcription génique germoplasme http://aims.fao.org/aos/agrovoc/c_7958 http://aims.fao.org/aos/agrovoc/c_7951 http://aims.fao.org/aos/agrovoc/c_7950 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_3249 |
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F30 - Génétique et amélioration des plantes Triticum turgidum Triticum aestivum Triticum Transcription génique germoplasme http://aims.fao.org/aos/agrovoc/c_7958 http://aims.fao.org/aos/agrovoc/c_7951 http://aims.fao.org/aos/agrovoc/c_7950 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_3249 F30 - Génétique et amélioration des plantes Triticum turgidum Triticum aestivum Triticum Transcription génique germoplasme http://aims.fao.org/aos/agrovoc/c_7958 http://aims.fao.org/aos/agrovoc/c_7951 http://aims.fao.org/aos/agrovoc/c_7950 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_3249 Cormier, Fabien Throude, Mickaël Ravel, Catherine Le Gouis, Jacques Leveugle, Magalie Lafarge, Stéphane Exbrayat, Florence Duranton, Nadine Praud, Sébastien Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm |
description |
In wheat, remobilization of nitrogen absorbed before anthesis and regulation of monocarpic senescence is a major issue in breeding for nutrient use efficiency. We identified natural variants of NAM-A1, a gene having the same role as its well-characterized homoeolog NAM-B1, a NAC transcription factor associated with senescence kinetics and nutrient remobilization to the grain. Differences in haplotype frequencies between a worldwide core collection and a panel of European elite varieties were assessed and discussed. Moreover, hypotheses for the loss of function of the most common haplotype in elite European germplasm are discussed. |
format |
article |
topic_facet |
F30 - Génétique et amélioration des plantes Triticum turgidum Triticum aestivum Triticum Transcription génique germoplasme http://aims.fao.org/aos/agrovoc/c_7958 http://aims.fao.org/aos/agrovoc/c_7951 http://aims.fao.org/aos/agrovoc/c_7950 http://aims.fao.org/aos/agrovoc/c_35128 http://aims.fao.org/aos/agrovoc/c_3249 |
author |
Cormier, Fabien Throude, Mickaël Ravel, Catherine Le Gouis, Jacques Leveugle, Magalie Lafarge, Stéphane Exbrayat, Florence Duranton, Nadine Praud, Sébastien |
author_facet |
Cormier, Fabien Throude, Mickaël Ravel, Catherine Le Gouis, Jacques Leveugle, Magalie Lafarge, Stéphane Exbrayat, Florence Duranton, Nadine Praud, Sébastien |
author_sort |
Cormier, Fabien |
title |
Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm |
title_short |
Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm |
title_full |
Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm |
title_fullStr |
Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm |
title_full_unstemmed |
Detection of NAM-A1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm |
title_sort |
detection of nam-a1 natural variants in bread wheat reveals differences in haplotype distribution between a worldwide core collection and european elite germplasm |
url |
http://agritrop.cirad.fr/587090/ http://agritrop.cirad.fr/587090/1/NAM-A1.pdf |
work_keys_str_mv |
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