ArticlePlant biotechnology journal2025
A novel transcription factor OsMYB73 affects grain size and chalkiness by regulating endosperm storage substances' accumulation-mediated auxin biosynthesis signalling pathway in rice.
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Article in Plant biotechnology journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed.
- OsMYB94 functions as a master regulator of metabolic pathways associated with rice caryopsis maturation and quality formation.The New phytologist · 2026Article
- Functional characterization of the MdMYB73L gene in drought and salt stress tolerance in apple.Plant molecular biology · 2026Article
- Genetic diversity, GWAS, and candidate genes identification for plant architecture traits in maize (Zea mays L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- The OsMYB4 transcription factor enables coordinated improvement of grain yield and quality in rice.Nature communications · 2026Article
- Lipid metabolism-driven regulatory networks involved in cone senescence and seed maturation in pine (Pinus massoniana).Communications biology · 2026Article
- Genome-wide characterization and expression analysis of the MYB transcription factor family in mung bean (Vigna radiata).BMC plant biology · 2026Article
- Genome-Wide Identification of Ovarian Tumor Proteases Gene Family and Knockout ofPlants (Basel, Switzerland) · 2026Article
- Uncover the genetic basis of processing quality related traits in common wheat (Frontiers in plant science · 2026Article
- Wearable sensors: in situ detection tools for plant physiological markers and growth environment information.Mikrochimica acta · 2025Review
- Nuclear factor-Y transcription factors in crops: Biological roles, regulation, and breeding applications.Plant communications · 2025Review
- Overexpression of thePlants (Basel, Switzerland) · 2025Article
- Genomic signatures of adaptation in seed traits in the wild plant Brassica incana.Communications biology · 2025Article
- Molecular analysis of the emergence of Allium cepa L. Seeds response to saline stress and treatment with essential oil of Cordia verbenacea.Scientific reports · 2025Article
- Upregulation of an IAA-GlucosyltransferasePlants (Basel, Switzerland) · 2025Article
- Creating a SuperiorFoods (Basel, Switzerland) · 2025Article
- Carbohydrate flow during grain filling: Phytohormonal regulation and genetic control in rice (Oryza sativa).Journal of integrative plant biology · 2025Review
- Research progress on the synergistic regulation of MYB transcription factor-mediated developmental plasticity and stress responses in rice.Frontiers in plant science · 2025Review
- NAC25 transcription factor regulates the degeneration of cytoplasmic membrane integrity and starch biosynthesis in rice endosperm through interacting with MADS29.Frontiers in plant science · 2025Article
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Authors and funding
23 authors.
Song Liu *State Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.ORCID https://orcid.org/0009-0004-4220-0614
Jiamin Wu *State Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Amos Musyoki Mawia *State Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Xiangjin Wei *State Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.ORCID https://orcid.org/0000-0002-1190-5222
Ruijie Cao *State Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Guiai JiaoState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Yawen WuState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Jian ZhangState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.ORCID https://orcid.org/0000-0003-2804-0162
Lihong XieState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Zhonghua ShengState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.ORCID https://orcid.org/0000-0002-5960-8307
Shikai HuState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Sanfeng LiState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Yusong LvState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Feifei LuState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Yujuan ChenState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Sajid FiazState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.ORCID https://orcid.org/0000-0001-9097-4359
Javaria TabassumState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Zhimin DuState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Fangyuan GaoEnvironment-friendly Crop Germplasm Innovation and Genetic Improvement Key Laboratory of Sichuan Province, Key Laboratory of Tianfu Seed Industry Innovation (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Crop Research Institute (Sichuan Provincial Germplasm Center), Sichuan Academy of Agricultural Sciences, Chengdu, China.
Guangjun RenEnvironment-friendly Crop Germplasm Innovation and Genetic Improvement Key Laboratory of Sichuan Province, Key Laboratory of Tianfu Seed Industry Innovation (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Crop Research Institute (Sichuan Provincial Germplasm Center), Sichuan Academy of Agricultural Sciences, Chengdu, China.
Gaoneng ShaoState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Peisong HuState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.
Shaoqing TangState Key Laboratory of Rice Biology (State Key Laboratory of Rice Biology and Breeding), China-IRRI Joint Research Center on Rice Quality and Nutrition, Key Laboratory of Rice Biology and Genetics Breeding of Ministry of Agriculture, China National Center for Rice Improvement, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China.ORCID https://orcid.org/0009-0003-3324-6728
Funding
Central Public-interest Scientific Institution Basal Research Fund CPSIBRF-CNRRI-202403Key Research and Development Program of Zhejiang Province 2022C02011National Natural Science Foundation of China 32071991National Natural Science Foundation of China 32188102Open Project of Environment-friendly Crop Germplasm Innovation and Genetic Improvement Key Laboratory of Sichuan Province 2024LYKF07Sichuan Provincial Financial Independent Innovation Project 2022ZZCX001The "1+9" Open Competition Project of Sichuan Academy of Agricultural Sciences to Select the Best Candidates 1+9 KJGG001The Earmarked Fund for China Agriculture Research System CARS-01-13Zhejiang Provincial Science and Technology Project 2020R51007
Abstract
Enhanced grain yield and quality traits are everlasting breeding goals. It is therefore of great significance to uncover more genetic resources associated with these two important agronomic traits. Plant MYB family transcription factors play important regulatory roles in diverse biological processes. However, studies on genetic functions of MYB in rice yield and quality are rarely to be reported. Here, we investigated a nucleus-localized transcription factor OsMYB73 which is preferentially expressed in the early developing pericarp and endosperm. We generated targeted mutagenesis of OsMYB73 in rice, and the mutants had longer grains with obvious white-belly chalky endosperm appearance phenotype. The mutants displayed various changes in starch physicochemical characteristics and lipid components. Transcriptome sequencing analysis showed that OsMYB73 was chiefly involved in cell wall development and starch metabolism. OsMYB73 mutation affects the expression of genes related to grain size, starch and lipid biosynthesis and auxin biosynthesis. Moreover, inactivation of OsMYB73 triggers broad changes in secondary metabolites. We speculate that rice OsMYB73 and OsNF-YB1 play synergistic pivotal role in simultaneously as transcription activators to regulate grain filling and storage compounds accumulation to affect endosperm development and grain chalkiness through binding OsISA2, OsLTPL36 and OsYUC11. The study provides important germplasm resources and theoretical basis for genetic improvement of rice yield and quality. In addition, we enriches the potential biological functions of rice MYB family transcription factors.
Indexed as
Edible GrainEndospermIndoleacetic AcidsOryzaPlant ProteinsTranscription FactorsGene Expression Regulation, PlantSignal TransductionStarchIndoleacetic AcidsPlant ProteinsStarchTranscription Factorsauxin biosynthesisendosperm starch and lipid biosynthesisgrain filling and endosperm developmentgrain size and chalkinessOsMYB73yield and quality
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