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Open AccessReview

Advances in Genomic Interventions for Wheat Biofortification: A Review

Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana 141004, India
Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, 46022 Valencia, Spain
Nagano University, 1088 Komaki, Ueda, Nagano 386-0031, Japan
Author to whom correspondence should be addressed.
Agronomy 2020, 10(1), 62;
Received: 27 November 2019 / Revised: 14 December 2019 / Accepted: 19 December 2019 / Published: 2 January 2020
(This article belongs to the Special Issue Biofortification of Crops)
Wheat is an essential constituent of cereal-based diets, and one of the most significant sources of calories. However, modern wheat varieties are low in proteins and minerals. Biofortification is a method for increasing the availability of essential elements in the edible portions of crops through agronomic or genetic and genomic interventions. Wheat biofortification, as a research topic, has become increasingly prevalent. Recent accomplishments in genomic biofortification could potentially be helpful for the development of biofortified wheat grains, as a sustainable solution to the issue of “hidden hunger”. Genomic interventions mainly include quantitative trait loci (QTL) mapping, marker-assisted selection (MAS), and genomic selection (GS). Developments in the identification of QTL and in the understanding of the physiological and molecular bases of the QTLs controlling the biofortification traits in wheat have revealed new horizons for the improvement of modern wheat varieties. Markers linked with the QTLs of desirable traits can be identified through QTL mapping, which can be employed for MAS. Besides MAS, a powerful tool, GS, also has great potential for crop improvement. We have compiled information from QTL mapping studies on wheat, carried out for the identification of the QTLs associated with biofortification traits, and have discussed the present status of MAS and different prospects of GS for wheat biofortification. Accelerated mapping studies, as well as MAS and GS schemes, are expected to improve wheat breeding efficiency further. View Full-Text
Keywords: wheat; biofortification; QTLs; genomic selection; protein; minerals wheat; biofortification; QTLs; genomic selection; protein; minerals
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Saini, D.K.; Devi, P.; Kaushik, P. Advances in Genomic Interventions for Wheat Biofortification: A Review. Agronomy 2020, 10, 62.

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