ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2012
Dynamic analysis of QTLs on tiller number in rice (Oryza sativa L.) with single segment substitution lines.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 48 citations in OpenAlex.
- Genetic Dissection of Epistatic Interactions Contributing Yield-Related Agronomic Traits in Rice Using the Compressed Mixed Model.Plants (Basel, Switzerland) · 2022Article
- Identification of quantitative trait loci for tillering, root, and shoot biomass at the maximum tillering stage in rice.Scientific reports · 2022Article
- Entailing the Next-Generation Sequencing and Metabolome for Sustainable Agriculture by Improving Plant Tolerance.International journal of molecular sciences · 2022Review
- Functional mapping of tillering QTLs using the Wang-Lan-Ding model and a SSSL population.Molecular genetics and genomics : MGG · 2021Article
- Article
- Unconditional and conditional analysis of epistasis between tillering QTLs based on single segment substitution lines in rice.Scientific reports · 2020Article
- A Region on Chromosome 7 Related to Differentiation of Rice (Frontiers in plant science · 2020Review
- Analysis of QTLs on heading date based on single segment substitution lines in rice (Oryza Sativa L.).Scientific reports · 2018Article
- Heterotic loci identified for maize kernel traits in two chromosome segment substitution line test populations.Scientific reports · 2018Article
- Analysis of Epistasis among QTLs on Heading Date based on Single Segment Substitution Lines in Rice.Scientific reports · 2018Article
- Utilization of a Wheat55K SNP Array for Mapping of Major QTL for Temporal Expression of the Tiller Number.Frontiers in plant science · 2018Article
- Substitution mapping of QTLs controlling seed dormancy using single segment substitution lines derived from multiple cultivated rice donors in seven cropping seasons.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- Fine mapping of a quantitative trait locus for spikelet number per panicle in a new plant type rice and evaluation of a near-isogenic line for grain productivity.Journal of experimental botany · 2017Article
- Identification of a low tiller gene from a new plant type cultivar in rice (Breeding science · 2016Article
- Development of a platform for breeding by design of CMS restorer lines based on an SSSL library in rice (Breeding science · 2016Article
- Genotype by watering regime interaction in cultivated tomato: lessons from linkage mapping and gene expression.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Detection and characterization of epistasis between QTLs on plant height in rice using single segment substitution lines.Breeding science · 2015Article
- What is crop heterosis: new insights into an old topic.Journal of applied genetics · 2015Review
- Quantitative trait locus mapping and candidate gene analysis for plant architecture traits using whole genome re-sequencing in rice.Molecules and cells · 2014Article
- Dynamic quantitative trait loci analysis of seed reserve utilization during three germination stages in rice.PloS one · 2013Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Twelve single segment substitution lines (SSSLs) in rice, which contain quantitative trait loci (QTLs) for tiller number detected previously, were used to study dynamic expression of the QTLs in this study. These SSSLs and their recipient, Hua-Jing-Xian 74 (HJX74), were used to produce 78 crossing combinations first, and then these combinations and their parents were grown in two planting seasons with three cropping densities. Tiller number was measured at seven developmental stages. QTL effects including main effects (additive, dominance and epistasis), QTL × season and QTL × density interaction effects were analyzed at each measured stage. The additive, dominant and epistatic effects of the 12 QTLs as well as their interaction effects with the seasons and with the densities all display dynamic changes with the development. Eight QTLs are detected with significant additive effects and/or additive × season and/or additive × density interaction effects at least at one developmental stage, and all QTLs have significant dominant and epistatic effects and/or interaction effects involved in. For most of the QTLs dominant effects are much bigger than additive effects, showing overdominance. Each QTL interacts at least with eight other QTLs. Additive and dominant effects of these QTLs are mostly positive while epistatic effects are negative and minor. Most of the QTLs show significant interactions with planting seasons and cropping densities, but the additive effects of QTLs Tn3-1 and Tn3-2, the dominant effects of QTL Tn7 and Tn8, and the epistatic effects of 14 pairs of QTLs are stable across seasons and the dominant effect of QTL Tn3-3 and the epistatic effects of QTL pairs Tn2-1/Tn6-2, Tn2-1/Tn9 and Tn3-3/Tn6-3 are nearly consistent across cropping densities. This paper is the first report of dynamics on dominances and epistasis of QTLs for tiller number in rice and provides abundant information, which is useful to improve rice tiller number via heterosis and/or QTL pyramiding.
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