ArticlePlant biotechnology journal2023
Targeted manipulation of grain shape genes effectively improves outcrossing rate and hybrid seed production in rice.
Article in Plant biotechnology journal, 2023. 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, 37 citations in OpenAlex.
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- Transcriptional signatures associated with female receptivity and longevity in genetically male-sterile wheat (Triticum aestivum L.).Scientific reports · 2026Article
- Mutation in HER1 enhances stigma exsertion and hybrid seed production in rice.Nature communications · 2026Article
- Brassinosteroid and jasmonic acid pathways mediate the effect of high temperature on the outcrossing rate of photo-thermo-sensitive genic male-sterile rice lines.BMC plant biology · 2026Article
- Multiplex Gene Editing and Effect Analysis of Yield, Fragrance, and Blast Resistance Genes in Rice.Genes · 2026Article
- Identification of candidate gene controlling TSSL via BSA-seq and fine mapping and germplasm innovation in rice.BMC genomics · 2025Article
- QTL analysis of sorghum grain traits based on high-density genetic map.Journal of applied genetics · 2025Article
- Pollen Quantitative and Genetic Competitiveness of Rice (Plants (Basel, Switzerland) · 2025Article
- Combined Analysis of BSA-Seq and RNA-Seq Reveals Candidate Genes forPlants (Basel, Switzerland) · 2025Article
- Novel repetitive elements in plant-specific tails of Gγ proteins as the functional unit in G-protein signaling in crops.The Plant cell · 2025Article
- OsSPL5 promotes rice outcrossing efficiency by G-protein pathway.Plant biotechnology journal · 2025Article
- Improvement of the outcrossing ability of CMS lines by pyramiding QTLs for SER.Molecular breeding : new strategies in plant improvement · 2025Article
- Genetic Analysis and Fine Mapping of QTLs for Stigma Exsertion Rate in Rice.Rice (New York, N.Y.) · 2024Article
- Research Progress on the Trait of Stigma Exsertion in Rice.Plants (Basel, Switzerland) · 2024Review
- Four QTLs control stigma exsertion rate by changing stigma size in rice.Molecular breeding : new strategies in plant improvement · 2024Article
- Rapid improvement of grain appearance in three-line hybrid rice via CRISPR/Cas9 editing of grain size genes.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- The elite eating quality alleles WxPlant biotechnology journal · 2024Article
- Article
- To open early or late: Decoding the mystery of diurnal floret opening time in rice.Plant communications · 2024Article
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Authors and funding
11 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Stigma exsertion rate (SER) of the male sterile line is a key limiting factor for hybrid seed production in rice. Although a large number of quantitative trait loci associated with SER have been reported, few genes have been molecularly cloned and functionally characterized, severely hindering the genetic improvement of SER of the male sterile line and the breeding efficiency of hybrid rice. In this study, we identified three grain shape regulatory genes, GS3, GW8 and GS9, as potential candidate genes for targeted manipulation of grain shape and SER. We show that simultaneously knocking out these three genes could effectively increase SER by increasing the ratio of spikelet length/spikelet width and length of stigma and style, without negative impacts on other agronomic traits. Cellular examination and transcriptomic analyses revealed a role of these genes in coordinated regulation of transverse and longitudinal cell division in the pistils. Moreover, we demonstrate that targeted manipulation of these grain shape genes could significantly improve the outcrossing rate in both the ZH11 (a japonica variety) and Zhu6S (an indica male sterile line) backgrounds. Our results provide new insights into the mechanisms of rice SER regulation and develop an effective strategy to improve SER and out-crossing rate in rice, thus facilitating hybrid rice production.
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