Large-scale Genomics for Wheat ImprovementOctober 16, 2019
Improving bread wheat using genomic tools is vital in speeding up development of varieties with enhanced traits. Thus, Carlos Guzman from the International Maize And Wheat Improvement Center (CIMMYT) and other genetics experts used large scale genomics and looked into the validity of genomic selection to improve wheat with less field work and less lab work. Their findings are published in Nature Genetics.
The researchers reported the genomic predictabilities of 35 key traits and demonstrated the potential of genomic selection for wheat end-use quality. They also performed a large genome-wide association study that led them to the identification of several significant marker-trait association for 50 traits evaluated in South Asia, Africa, and the Americas. Moreover, they developed a reference wheat genotype-phenotype map, explored allele frequency dynamics over time and fingerprinted 44,624 wheat lines for trait-associated markers, coming up with over 7.6 million data points.
The results of the study provides a valuable resource to the wheat community for improving productivity and stress resilience.
Read the original article in Nature Genetics.
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