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Article

Detection of NAM-A1 Natural Variants in Bread Wheat Reveals Differences in Haplotype Distribution between a Worldwide Core Collection and European Elite Germplasm

1
Biogemma, Centre de recherche de Chappes, Route d'Ennezat CS90126, Chappes 63720, France
2
Institut National de la Recherche Agronomique, UMR 1095 Génétique, Diversité et Ecophysiologie des Céréales, 5 chemin de Beaulieu, Clermont-Ferrand F-63 039, France
3
Université Blaise Pascal, UMR1095 Génétique, Diversité et Ecophysiologie des Céréales, Aubière F-63177, France
*
Author to whom correspondence should be addressed.
Academic Editor: Bertrand Hirel
Agronomy 2015, 5(2), 143-151; https://doi.org/10.3390/agronomy5020143
Received: 20 February 2015 / Accepted: 23 April 2015 / Published: 29 April 2015
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. View Full-Text
Keywords: GPC-A1; NAC; remobilization; senescence; Triticum aestivum L. GPC-A1; NAC; remobilization; senescence; Triticum aestivum L.
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MDPI and ACS Style

Cormier, F.; Throude, M.; Ravel, C.; Gouis, J.L.; Leveugle, M.; Lafarge, S.; Exbrayat, F.; Duranton, N.; Praud, S. Detection of NAM-A1 Natural Variants in Bread Wheat Reveals Differences in Haplotype Distribution between a Worldwide Core Collection and European Elite Germplasm. Agronomy 2015, 5, 143-151. https://doi.org/10.3390/agronomy5020143

AMA Style

Cormier F, Throude M, Ravel C, Gouis JL, Leveugle M, Lafarge S, Exbrayat F, Duranton N, Praud S. Detection of NAM-A1 Natural Variants in Bread Wheat Reveals Differences in Haplotype Distribution between a Worldwide Core Collection and European Elite Germplasm. Agronomy. 2015; 5(2):143-151. https://doi.org/10.3390/agronomy5020143

Chicago/Turabian Style

Cormier, Fabien, Mickaël Throude, Catherine Ravel, Jacques L. Gouis, Magalie Leveugle, Stéphane Lafarge, Florence Exbrayat, Nadine Duranton, and Sébastien Praud. 2015. "Detection of NAM-A1 Natural Variants in Bread Wheat Reveals Differences in Haplotype Distribution between a Worldwide Core Collection and European Elite Germplasm" Agronomy 5, no. 2: 143-151. https://doi.org/10.3390/agronomy5020143

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