Publications of NIPGR Scientists

Permanent URI for this communityhttps://ndkr-library.nipgr.ac.in/handle/123456789/1

Browse

Author: search.filters.author.Padhy, Asish KumarSubject: search.filters.subject.seed weight

Search Results

Now showing 1 - 2 of 2
  • Thumbnail Image
    Item
    Analysis of genomic-transcriptomic dynamics delineates key molecular signatures modulating seed size and weight in lentil
    (John Wiley & Sons, 2026) Padhy, Asish Kumar; Singh, Sangeeta; Tripathi, Kuldeep; Parida, Swarup K.; Bhatia, Sabhyata
    Delineating key genetic determinants associated with seed size/weight is crucial for increasing productivity. In this study, the advantages of an integrated approach combining QTL mapping, GWAS and transcriptomics to identify robust candidates governing seed size and weight were demonstrated in lentil, an important grain legume. QTL mapping identified three stable QTLs harbouring 5113 genes. GWAS identified 42 MTAs (5 consistent) containing 192 underlying genes. Comparative transcriptome analysis identified 1202 differentially expressed transcripts. Integrated analysis of the results obtained from QTL mapping and GWAS revealed nine SNPs located in the three robust QTLs harbouring 32 candidate genes. Upon integration with transcriptome data, only one (LcWDL1) was identified as the most promising candidate. LcWDL1 (a member of TPX2 family involved in microtubule organisation and cell expansion) and its predicted interacting partners that is, LcGLIPs are known to function as regulators of seed size. Candidate gene-based association analysis identified a SNP on second exon of LcWDL1 to be significantly associated with seed size and weight of lentil. The genomic loci/candidate gene identified in the study will serve to expedite the molecular breeding and gene editing programs for enhancing seed size and seed weight in lentils.
  • Thumbnail Image
    Item
    Key determinants of seed size for enhancing genetic gain in legumes
    (John Wiley & Sons, 2026) Padhy, Asish Kumar; Singh, Ananya; Chaurasia, Shiksha; Parida, Swarup Kumar; Tripathi, Kuldeep; Bhatia, Sabhyata
    Legumes play a pivotal role in human nutrition due to their high nutritional value, especially protein content. Therefore, enhancing the productivity of grain legumes is desirable for ensuring food and nutritional security. Seed size and seed weight are key factors influencing productivity. This article consolidates the substantial amount of research conducted to uncover the molecular signatures associated with seed size into a structured format, providing a one-stop platform of available resources for enhancing genetic gains in legumes. The advent of NGS technologies enabled the decryption of genomes and transcriptomes of important grain legumes. Moreover, molecular signatures such as SSRs, SNPs, transcription factors, methylation patterns and so forth scanned from phenotypically and genotypically well-characterized natural and mapping populations helped identify the QTLs, MTAs and candidate genes associated with seed size. Many of these QTLs and candidate genes have been utilized in marker-assisted breeding for achieving larger seeds and enhanced yield in legumes. Besides, the characterization of legume orthologs of candidate genes from other crops using different omics approaches helped in understanding the regulatory pathways involved in seed size determination in legumes. This review provides a direction for the effective utilization of available resources to enhance legume productivity.