ArticlePloS one2012
The rice HGW gene encodes a ubiquitin-associated (UBA) domain protein that regulates heading date and grain weight.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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36 citing papers in PubMed, 69 citations in OpenAlex.
- QTL-Seq and pyramiding of yield-related loci from wild rice (Molecular breeding : new strategies in plant improvement · 2026Article
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- Grain shape in rice: a Genome-wide association study of the effector genes.BMC plant biology · 2025Article
- A Novel OsMPK6-OsMADS47-PPKL1/3 Module Controls Grain Shape and Yield in Rice.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Panicle transcriptome of high-yield mutant indica rice reveals physiological mechanisms and novel candidate regulatory genes for yield under reproductive stage drought stress.BMC plant biology · 2023Article
- Integration of miRNA dynamics and drought tolerant QTLs in rice reveals the role of miR2919 in drought stress response.BMC genomics · 2023Article
- SLG2 specifically regulates grain width through WOX11-mediated cell expansion control in rice.Plant biotechnology journal · 2023Article
- Cytological, transcriptome and miRNome temporal landscapes decode enhancement of rice grain size.BMC biology · 2023Article
- Genetic Localization and Homologous Genes Mining for Barley Grain Size.International journal of molecular sciences · 2023Review
- A super pan-genomic landscape of rice.Cell research · 2022Article
- Emerging roles of the ubiquitin-proteasome pathway in enhancing crop yield by optimizing seed agronomic traits.Plant cell reports · 2022Review
- Omics: a tool for resilient rice genetic improvement strategies.Molecular biology reports · 2022Review
- Grain Size Associated Genes and the Molecular Regulatory Mechanism in Rice.International journal of molecular sciences · 2022Review
- qTGW12a, a naturally varying QTL, regulates grain weight in rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Dissection of Closely Linked Quantitative Trait Locis Controlling Grain Size in Rice.Frontiers in plant science · 2021Article
- Genetic and Molecular Factors Determining Grain Weight in Rice.Frontiers in plant science · 2021Review
- Transcriptome and genome sequencing elucidates the molecular basis for the high yield and good quality of the hybrid rice variety Chuanyou6203.Scientific reports · 2020Article
- Ubiquitinome Profiling Reveals the Landscape of Ubiquitination Regulation in Rice Young Panicles.Genomics, proteomics & bioinformatics · 2020Article
- The Conserved Effector UvHrip1 interacts with OsHGW, and Infection ofInternational journal of molecular sciences · 2020Article
- Marker-assisted selection for grain number and yield-related traits of rice (Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Review
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Heading date and grain weight are two determining agronomic traits of crop yield. To date, molecular factors controlling both heading date and grain weight have not been identified. Here we report the isolation of a hemizygous mutation, heading and grain weight (hgw), which delays heading and reduces grain weight in rice. Analysis of hgw mutant phenotypes indicate that the hemizygous hgw mutation decreases latitudinal cell number in the lemma and palea, both composing the spikelet hull that is known to determine the size and shape of brown grain. Molecular cloning and characterization of the HGW gene showed that it encodes a novel plant-specific ubiquitin-associated (UBA) domain protein localized in the cytoplasm and nucleus, and functions as a key upstream regulator to promote expressions of heading date- and grain weight-related genes. Moreover, co-expression analysis in rice and Arabidopsis indicated that HGW and its Arabidopsis homolog are co-expressed with genes encoding various components of ubiquitination machinery, implying a fundamental role for the ubiquitination pathway in heading date and grain weight control.
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