ArticleBMC genomics2020
Genomic diversity in pearl millet inbred lines derived from landraces and improved varieties.
Article in BMC genomics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Whole genome sequence data on diverse pearl millet accessions across the African continent.Data in brief · 2026Article
- Article
- Harnessing genetic diversity for drought tolerance and forage yield improvement in pearl millet germplasms through a prebreeding framework.Scientific reports · 2025Article
- Millets for a sustainable future.Journal of experimental botany · 2025Review
- Genomic resources, opportunities, and prospects for accelerated improvement of millets.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Review
- Milletomics: a metabolomics centered integrated omics approach toward genetic progression.Functional & integrative genomics · 2024Review
- Omics-driven utilization of wild relatives for empowering pre-breeding in pearl millet.Planta · 2024Review
- Understanding genetic diversity in drought-adaptive hybrid parental lines in pearl millet.PloS one · 2024Article
- Gene Coexpression Analysis Identifies Genes Associated with Chlorophyll Content and Relative Water Content in Pearl Millet.Plants (Basel, Switzerland) · 2023Article
- Genetic insights in pearl millet breeding in the genomic era: challenges and prospects.Plant biotechnology reports · 2023Review
- Breeding Drought-Tolerant Pearl Millet Using Conventional and Genomic Approaches: Achievements and Prospects.Frontiers in plant science · 2022Review
- Identifying Anti-Oxidant Biosynthesis Genes in Pearl Millet [Frontiers in plant science · 2021Article
- Pearl Millet: A Climate-Resilient Nutricereal for Mitigating Hidden Hunger and Provide Nutritional Security.Frontiers in plant science · 2021Review
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Authors and funding
8 authors.
Funding
Abstract
backgroundGenetic improvement of pearl millet is lagging behind most of the major crops. Development of genomic resources is expected to expedite breeding for improved agronomic traits, stress tolerance, yield, and nutritional quality. Genotyping a breeding population with high throughput markers enables exploration of genetic diversity, population structure, and linkage disequilibrium (LD) which are important preludes for marker-trait association studies and application of genomic-assisted breeding.
resultsGenotyping-by-sequencing (GBS) libraries of 309 inbred lines derived from landraces and improved varieties from Africa and India generated 54,770 high quality single nucleotide polymorphism (SNP) markers. On average one SNP per 29 Kb was mapped in the reference genome, with the telomeric regions more densely mapped than the pericentromeric regions of the chromosomes. Population structure analysis using 30,208 SNPs evenly distributed in the genome divided 309 accessions into five subpopulations with different levels of admixture. Pairwise genetic distance (GD) between accessions varied from 0.09 to 0.33 with the average distance of 0.28. Rapid LD decay implied low tendency of markers inherited together. Genetic differentiation estimates were the highest between subgroups 4 and 5, and the lowest between subgroups 1 and 2.
conclusionsPopulation genomic analysis of pearl millet inbred lines derived from diverse geographic and agroecological features identified five subgroups mostly following pedigree differences with different levels of admixture. It also revealed the prevalence of high genetic diversity in pearl millet, which is very useful in defining heterotic groups for hybrid breeding, trait mapping, and holds promise for improving pearl millet for yield and nutritional quality. The short LD decay observed suggests an absence of persistent haplotype blocks in pearl millet. The diverse genetic background of these lines and their low LD make this set of germplasm useful for traits mapping.
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