ArticleBMC plant biology2020
Genome-wide association mapping reveals novel genes associated with coleoptile length in a worldwide collection of barley.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 21 citations in OpenAlex.
- Genome-wide association study of pre-indicative agronomic traits affecting malt quality in Ethiopian barley (Hordeum vulgare L.) germplasm.BMC genomics · 2026Article
- High-throughput phenotyping of wheat root angle and coleoptile length at different temperatures using 3D-printed equipment.BMC plant biology · 2025Article
- The Mechanism of Exogenous Salicylic Acid and 6-Benzylaminopurine Regulating the Elongation of Maize Mesocotyl.International journal of molecular sciences · 2024Article
- Article
- Identification of a novel and plant height-independent QTL for coleoptile length in barley and validation of its effect using near isogenic lines.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Precision phenotyping of a barley diversity set reveals distinct drought response strategies.Frontiers in plant science · 2024Article
- New semi-dwarfing alleles with increased coleoptile length by gene editing of gibberellin 3-oxidase 1 using CRISPR-Cas9 in barley (Hordeum vulgare L.).Plant biotechnology journal · 2023Article
- The Role of Aquaporins in Plant Growth under Conditions of Oxygen Deficiency.International journal of molecular sciences · 2022Review
- Position Validation of the Dwarfing GeneFrontiers in plant science · 2021Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDrought is projected to become more frequent and severe in a changing climate, which requires deep sowing of crop seeds to reach soil moisture. Coleoptile length is a key agronomic trait in cereal crops such as barley, as long coleoptiles are linked to drought tolerance and improved seedling establishment under early water-limited growing conditions.
resultsIn this study, we detected large genetic variation in a panel of 328 diverse barley (Hordeum vulgare L.) accessions. To understand the overall genetic basis of barley coleoptile length, all accessions were germinated in the dark and phenotyped for coleoptile length after 2 weeks. The investigated barleys had significant variation for coleoptile length. We then conducted genome-wide association studies (GWASs) with more than 30,000 molecular markers and identified 8 genes and 12 intergenic loci significantly associated with coleoptile length in our barley panel. The Squamosa promoter-binding-like protein 3 gene (SPL3) on chromosome 6H was identified as a major candidate gene. The missense variant on the second exon changed serine to alanine in the conserved SBP domain, which likely impacted its DNA-binding activity.
conclusionThis study provides genetic loci for seedling coleoptile length along with candidate genes for future potential incorporation in breeding programmes to enhance early vigour and yield potential in water-limited environments.
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