ArticleBMC genetics2017
Identification of putative markers linked to grain plumpness in rice (Oryza sativa L.) via association mapping.
Article in BMC genetics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Natural Genetic Variation Underlying Tiller Development in Barley (G3 (Bethesda, Md.) · 2020Article
- Favorable Alleles ofPlant physiology · 2019Article
- Favorable alleles mining for gelatinization temperature, gel consistency and amylose content in Oryza sativa by association mapping.BMC genetics · 2019Article
- Identification and Analysis of Rice Yield-Related Candidate Genes by Walking on the Functional Network.Frontiers in plant science · 2018Article
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Authors and funding
9 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundPoor grain plumpness (GP) is one of the main constraints to reaching the yield potential of hybrid rice.
resultsIn this study, the GP of 177 rice varieties was investigated in three locations across 2 years. By combining the genotype data of 261 simple sequence repeat (SSR) markers, association mapping was conducted to identify the marker-GP association loci. Among 31 marker-GP association loci detected in two or more environments and determined using general linear model (GLM) analyses, seven association loci were also detected using mixed linear model (MLM) analyses. The seven common loci detected by the two analytical methods were located on chromosomes 2, 3 (2), 7, 8 and 12 (2) and explained 7.24~22.28% of the variance. Of these 7 association loci, five markers linked to GP were newly detected: RM5340 on Chr2, RM5480 and RM148 on Chr3, RM1235 on Chr8, and RM5479 on Chr12.
conclusionsFive marker-GP association loci were newly detected using both the GLM and MLM analytical methods. Elite allele RM505-170 bp had the highest average phenotypic effect on increasing the GP, and the typical carrier variety was 'Maozitou'. Based on the distribution of the elite alleles among the carrier varieties, the top 10 parental combinations for improving the GP in rice via cross-breeding were predicted.
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