ArticleBMC plant biology2018
A genome-wide association study using a Vietnamese landrace panel of rice (Oryza sativa) reveals new QTLs controlling panicle morphological traits.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed.
- Leaf Na+ effects and multi-trait GWAS point to salt exclusion as the key mechanism for reproductive stage salinity tolerance in rice.Annals of botany · 2025Article
- Genomic regions associated with flag leaf and panicle architecture in rice (Oryza sativa L.).BMC genomics · 2024Article
- Optimized nitrogen management improves grain yield of rice by regulating panicle architecture in South China.Heliyon · 2024Article
- New insights into QTNs and potential candidate genes governing rice yield via a multi-model genome-wide association study.BMC plant biology · 2024Article
- Quantitative trait loci for grain mineral element accumulation in Vietnamese rice landraces.PloS one · 2024Article
- Genomic introgressions from African rice (Oryza glaberrima) in Asian rice (O. sativa) lead to the identification of key QTLs for panicle architecture.BMC genomics · 2023Article
- Genome-wide association analysis identifies natural allelic variants associated with panicle architecture variation in African rice, Oryza glaberrima Steud.G3 (Bethesda, Md.) · 2023Article
- Review
- Genome-Wide Association Study Reveals Novel QTLs and Candidate Genes for Grain Number in Rice.International journal of molecular sciences · 2022Article
- The genetic basis for panicle trait variation in switchgrass (Panicum virgatum).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genomic regions and candidate genes selected during the breeding of rice in Vietnam.Evolutionary applications · 2022Article
- Effect of Panicle Morphology on Grain Filling and Rice Yield: Genetic Control and Molecular Regulation.Frontiers in genetics · 2022Review
- Genetic Diversity and Population Structure of Myanmar Rice (Plants (Basel, Switzerland) · 2021Article
- Dissection of the Genetic Basis of Rice Panicle Architecture Using a Genome-wide Association Study.Rice (New York, N.Y.) · 2021Article
- OsTPR boosts the superior grains through increase in upper secondary rachis branches without incurring a grain quality penalty.Plant biotechnology journal · 2021Article
- Importance of Landraces in Cereal Breeding for Stress Tolerance.Plants (Basel, Switzerland) · 2021Review
- Resequencing of 672 Native Rice Accessions to Explore Genetic Diversity and Trait Associations in Vietnam.Rice (New York, N.Y.) · 2021Article
- A cluster of Ankyrin and Ankyrin-TPR repeat genes is associated with panicle branching diversity in rice.PLoS genetics · 2021Article
- Genome-Wide Association Mapping of Salinity Tolerance at the Seedling Stage in a Panel of Vietnamese Landraces Reveals New Valuable QTLs for Salinity Stress Tolerance Breeding in Rice.Plants (Basel, Switzerland) · 2021Article
- Genome-wide association study and Mendelian randomization analysis provide insights for improving rice yield potential.Scientific reports · 2021Article
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16 authors.
Funding
Abstract
contextYield improvement is an important issue for rice breeding. Panicle architecture is one of the key components of rice yield and exhibits a large diversity. To identify the morphological and genetic determinants of panicle architecture, we performed a detailed phenotypic analysis and a genome-wide association study (GWAS) using an original panel of Vietnamese landraces.
resultsUsing a newly developed image analysis tool, morphological traits of the panicles were scored over two years: rachis length; primary, secondary and tertiary branch number; average length of primary and secondary branches; average length of internode on rachis and primary branch. We observed a high contribution of spikelet number and secondary branch number per panicle to the overall phenotypic diversity in the dataset. Twenty-nine stable QTLs associated with seven traits were detected through GWAS over the two years. Some of these QTLs were associated with genes already implicated in panicle development. Importantly, the present study revealed the existence of new QTLs associated with the spikelet number, secondary branch number and primary branch number traits.
conclusionsOur phenotypic analysis of panicle architecture variation suggests that with the panel of samples used, morphological diversity depends largely on the balance between indeterminate vs. determinate axillary meristem fate on primary branches, supporting the notion of differences in axillary meristem fate between rachis and primary branches. Our genome-wide association study led to the identification of numerous genomic sites covering all the traits studied and will be of interest for breeding programs aimed at improving yield. The new QTLs detected in this study provide a basis for the identification of new genes controlling panicle development and yield in rice.
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