Genomics‐assisted breeding: The next‐generation wheat breeding era

Author:

Sun Congwei1,Hu Huiting1,Cheng Yongzhen1,Yang Xi1,Qiao Qi1,Wang Canguan1,Zhang Leilei1,Chen Daiying1,Zhao Simin1,Dong Zhongdong1,Chen Feng1ORCID

Affiliation:

1. National Key Laboratory of Wheat and Maize Crop Science/Henan International Joint Laboratory of Wheat Yield and Quality improvement, Agronomy College Henan Agricultural University Zhengzhou China

Abstract

AbstractCommon wheat provides approximately 20% of the total dietary calorie intake of human beings. Recent technological advances in whole‐genome sequencing and their application in wheat and its progenitor species provide new opportunities to uncover the genetic variation of wheat traits and to accelerate the traditional breeding (TB) strategies in the context of genomics‐assisted breeding (GAB). Integration of TB, marker‐assisted selection (MAS) and genomic selection (GS) with high‐density SNP markers is expected to accelerate the breeding process and to further enhance genetic gain. With the assistance of the next‐ or third‐generation sequencing technologies and high‐throughput phenotyping platforms, GAB can now realistically be considered in the following area: (i) genome sequencing and high‐quality assembly to uncover new variations, (ii) whole‐genome sequence‐based association studies, (iii) gene function (or functional gene) identification and (iv) integration of whole genomic breeding information, utilizing multi‐omics data and different breeding strategies. We argue that GAB is becoming the preferred strategy in pursuit of new wheat cultivars with superior traits on high yielding, high nutritional quality, climate‐resilience and so on.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Publisher

Wiley

Subject

Plant Science,Genetics,Agronomy and Crop Science

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