ArticleBMC genetics2020
Identification of QTL TGW12 responsible for grain weight in rice based on recombinant inbred line population crossed by wild rice (Oryza minuta) introgression line K1561 and indica rice G1025.
Article in BMC genetics, 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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9 citing papers in PubMed.
- Cold acclimation promotes the fatty acid desaturation and glycerophospholipid metabolism of the visceral adipose tissue in the Schizothorax prenanti.Fish physiology and biochemistry · 2026Article
- Fine mapping of interspecific secondary CSSL populations revealed key regulators for grain weight atPhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Genome wide association studies on seven yield-related traits of 183 rice varieties in Bangladesh.Plant direct · 2024Article
- Genetically Modified Rice Is Associated with Hunger, Health, and Climate Resilience.Foods (Basel, Switzerland) · 2023Review
- Three QTL from Oryza meridionalis Could Improve Panicle Architecture in Asian Cultivated Rice.Rice (New York, N.Y.) · 2023Article
- Whole genome sequencing of ASD 16 and ADT 43 to identify predominant grain size and starch associated alleles in rice.Molecular biology reports · 2022Article
- A meta-quantitative trait loci analysis identified consensus genomic regions and candidate genes associated with grain yield in rice.Frontiers in plant science · 2022Article
- Identification ofFrontiers in plant science · 2022Article
- Identifying Quantitative Trait Loci for Thousand Grain Weight in Eggplant by Genome Re-Sequencing Analysis.Frontiers in genetics · 2022Article
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8 authors.
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Abstract
backgroundLimited genetic resource in the cultivated rice may hinder further yield improvement. Some valuable genes that contribute to rice yield may be lost or lacked in the cultivated rice. Identification of the quantitative trait locus (QTL) for yield-related traits such as thousand-grain weight (TGW) from wild rice speices is desired for rice yield improvement.
resultsIn this study, sixteen TGW QTL were identified from a recombinant inbred line (RIL) population derived from the cross between the introgression line K1561 of Oryza minuta and the rice cultivar G1025. TGW12, One of most effective QTL was mapped to the region of 204.12 kb between the marker 2,768,345 and marker 2,853,491 of the specific locus amplified fragment (SLAF). The origin of TGW12 was tested using three markers nearby or within the TGW12 region, but not clarified yet. Our data indicated thirty-two open reading fragments (ORFs) were present in the region. RT-PCR analysis and sequence alignment showed that the coding domain sequences of ORF12, one MADS-box gene, in G1025 and K1561 were different due to alternative slicing, which caused premature transcription termination. The MADS-box gene was considered as a candidate of TGW12.
conclusionThe effective QTL, TGW12, was mapped to a segment of 204.12 kb using RILs population and a MADS-box gene was identified among several candidate genes in the segment. The region of TGW12 should be further narrowed and creation of transgenic lines will reveal the gene function. TGW12 could be applied for improvement of TGW in breeding program.
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