Agriculture

Genome-wide association study uncovers genomic regions associated with grain iron, zinc and protein content in pearl millet

M. Pujar, S. Gangaprasad, et al.

This groundbreaking genome-wide association study by Mahesh Pujar and colleagues reveals essential marker-trait associations for iron, zinc, and protein content in pearl millet, highlighting significant genetic variation and promising avenues for biofortification in crops.

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Abstract

This genome-wide association study (GWAS) identified marker-trait associations (MTAs) for iron (Fe), zinc (Zn), and protein content (PC) in pearl millet. A diverse panel of 281 inbred lines showed high variability and heritability for these traits. 78 MTAs were identified, including four SNPs co-segregated for Fe and Zn. Promising genes involved in Fe and Zn homeostasis were identified, offering prospects for genomics-assisted biofortification breeding.

Publisher

Scientific Reports

Published On

Nov 10, 2020

Authors

Mahesh Pujar, S. Gangaprasad, Mahalingam Govindaraj, Sunil S. Gangurde, A. Kanatti, Himabindu Kudapa

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