Whole-genome resequencing of 292 pigeonpea accessions identifies genomic regions associated with domestication and agronomic traits

Nature Genetics
Rajeev K VarshneySwapan K Datta

Abstract

Pigeonpea (Cajanus cajan), a tropical grain legume with low input requirements, is expected to continue to have an important role in supplying food and nutritional security in developing countries in Asia, Africa and the tropical Americas. From whole-genome resequencing of 292 Cajanus accessions encompassing breeding lines, landraces and wild species, we characterize genome-wide variation. On the basis of a scan for selective sweeps, we find several genomic regions that were likely targets of domestication and breeding. Using genome-wide association analysis, we identify associations between several candidate genes and agronomically important traits. Candidate genes for these traits in pigeonpea have sequence similarity to genes functionally characterized in other plants for flowering time control, seed development and pod dehiscence. Our findings will allow acceleration of genetic gains for key traits to improve yield and sustainability in pigeonpea.

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Citations

Apr 1, 2018·Plant, Cell & Environment·Mahsa Mousavi-DerazmahallehDavid Edwards
Feb 8, 2019·The New Phytologist·Emily J Warschefsky, Eric J B von Wettberg
Jan 12, 2020·Plant Biotechnology Journal·Pallavi SinhaRajeev K Varshney
Feb 6, 2020·Plant Biotechnology Journal·Junliang ZhaoRajeev K Varshney
Mar 13, 2020·Plant Biotechnology Journal·Wolfram WeckwerthRajeev K Varshney
May 27, 2020·Plant Biotechnology Journal·Pallavi SinhaRajeev K Varshney
Sep 3, 2020·Plant Biotechnology Journal·Abhishek BohraRajeev Kumar Varshney
Jun 8, 2018·Breeding Science·Kul Bhushan SaxenaRajeev K Varshney
Sep 12, 2018·Genome Biology·Yanting ShenZhixi Tian
Dec 4, 2019·Plant Breeding = Zeitschrift Für Pflanzenzüchtung·Chris OjiewoRajeev K Varshney
Sep 3, 2018·Molecular Genetics and Genomics : MGG·Jimmy ObalaRajeev K Varshney
Jul 5, 2018·BMC Genomics·Dongwei XieJianguang Su
Dec 19, 2018·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Rajeev K VarshneyRachit K Saxena
Nov 5, 2019·Frontiers in Plant Science·Rakesh KumarRajeev K Varshney
Apr 8, 2020·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Manish RoorkiwalRajeev K Varshney
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Oct 21, 2020·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Rachit K SaxenaRajeev K Varshney
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Dec 29, 2020·Journal of Plant Physiology·Federico ScossaAlisdair R Fernie
Dec 22, 2020·Molecular Plant·Chu-Yu Ye, Longjiang Fan

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