ArticleBMC plant biology2024
Dissecting genomic regions and underlying candidate genes in groundnut MAGIC population for drought tolerance.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Whole genome sequencing-based multi-locus association mapping for kernel iron, zinc and protein content in groundnut.Scientific reports · 2026Article
- Water stress tolerance, genomic selection and identification of genomic regions in a MAGIC population of eggplant.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Physiological and Yield Responses of Peanut (Plants (Basel, Switzerland) · 2026Article
- Understanding the genetics of quality traits in groundnut: GWAS highlights drought-responsive markers and candidate genes.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Shaping the Plant Specialized Metabolites Through Modern Breeding Technique.Molecular biotechnology · 2026Review
- Genome wide association study uncovers significant SNPs and candidate genes for kernel grades in groundnut (Arachis hypogaea L.).BMC genomics · 2025Article
- Resequencing and phenotyping of the first highly inbred eggplant multiparent population revealHorticulture research · 2025Article
- Genome-wide association analysis in peanut accessions uncovers the genetic basis regulating oil and fatty acid variation.BMC plant biology · 2025Article
- Dissecting genomic regions and candidate genes for pod borer resistance and component traits in pigeonpea minicore collection.Frontiers in plant science · 2025Article
- Realized genetic gain for yield and yield attributes in groundnut breeding at ICRISAT from an ERA trial.Frontiers in plant science · 2025Article
- Understanding the impacts of drought on peanutsFrontiers in genetics · 2024Review
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15 authors.
Funding
Abstract
backgroundGroundnut is mainly grown in the semi-arid tropic (SAT) regions worldwide, where abiotic stress like drought is persistent. However, a major research gap exists regarding exploring the genetic and genomic underpinnings of tolerance to drought. In this study, a multi-parent advanced generation inter-cross (MAGIC) population was developed and evaluated for five seasons at two locations for three consecutive years (2018-19, 2019-20 and 2020-21) under drought stress and normal environments.
resultsPhenotyping data of drought tolerance related traits, combined with the high-quality 10,556 polymorphic SNPs, were used to perform multi-locus model genome-wide association study (GWAS) analysis. We identified 37 significant marker-trait associations (MTAs) (Bonferroni-corrected) accounting, 0.91- 9.82% of the phenotypic variance. Intriguingly, 26 significant MTAs overlap on four chromosomes (Ah03, Ah07, Ah10 and Ah18) (harboring 70% of MTAs), indicating genomic hotspot regions governing drought tolerance traits. Furthermore, important candidate genes associated with leaf senescence (NAC transcription factor), flowering (B3 domain-containing transcription factor, Ulp1 protease family, and Ankyrin repeat-containing protein), involved in chlorophyll biosynthesis (FAR1 DNA-binding domain protein), stomatal regulation (Rop guanine nucleotide exchange factor; Galacturonosyltransferases), and associated with yield traits (Fasciclin-like arabinogalactan protein 11 and Fasciclin-like arabinogalactan protein 21) were found in the vicinity of significant MTAs genomic regions.
conclusionThe findings of our investigation have the potential to provide a basis for significant MTAs validation, gene discovery and development of functional markers, which could be employed in genomics-assisted breeding to develop climate-resilient groundnut varieties.
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