ArticleThe Plant cell2011
Pollen semi-sterility1 encodes a kinesin-1-like protein important for male meiosis, anther dehiscence, and fertility in rice.
Article in The Plant cell, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.
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Who cites it
74 citing papers in PubMed, 147 citations in OpenAlex.
- The architecture of resilience: a genome assembly of Myrothamnus flabellifolia sheds light on desiccation tolerance and sex determination.The New phytologist · 2026Article
- Genome wide association mapping and haplotype analysis identify genetic loci and candidate genes associated with yield related traits in rice (Frontiers in plant science · 2026Article
- Mutation of OsKIF14.3, a Kinesin-14 Subfamily Protein, Altered Starch Metabolism and Caused Yellowish Leaf in Rice.International journal of molecular sciences · 2025Article
- OsBRK1-mediated phosphorylation of OsPFN2 regulates meiotic spindle-actin assembly and rice fertility.Plant communications · 2025Article
- Identification of the cytoplasmic motor-LINC complex involved in rapid chromosome movements during meiotic prophase in Arabidopsis thaliana.Nature plants · 2025Article
- Genetic and molecular mechanisms underlying the male sterility in rice.Journal of applied genetics · 2025Review
- A Dual-localized Fructose Bisphosphate Aldolase is Essential for Chloroplast Development and Carbon Metabolism in Rice.Rice (New York, N.Y.) · 2025Article
- Article
- Molecular mechanisms and regulation of recombination frequency and distribution in plants.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Review
- The RING Domain of Rice HEI10 is Essential for Male, But Not Female Fertility.Rice (New York, N.Y.) · 2024Article
- A synthetic light-inducible photorespiratory bypass enhances photosynthesis to improve rice growth and grain yield.Plant communications · 2023Article
- Mutation of DEFECTIVE EMBRYO SAC1 results in a low seed-setting rate in rice by regulating embryo sac development.Journal of experimental botany · 2023Article
- A retrotransposon insertion in MUTL-HOMOLOG 1 affects wild rice seed set and cultivated rice crossover rate.Plant physiology · 2022Article
- Receptor for Activated C Kinase1B (OsRACK1B) Impairs Fertility in Rice through NADPH-Dependent HInternational journal of molecular sciences · 2022Article
- Phenotypic variation and genome-wide association studies of main culm panicle node number, maximum node production rate, and degree-days to heading in rice.BMC genomics · 2022Article
- The kinesin-13 protein BR HYPERSENSITIVE 1 is a negative brassinosteroid signaling component regulating rice growth and development.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Impact of Pre-Anthesis Drought Stress on Physiology, Yield-Related Traits, and Drought-Responsive Genes in Green Super Rice.Frontiers in genetics · 2022Article
- Mapping chromosomal regions associated with anther indehiscence with exerted stigmas in CRI-48 and Jasmine 85 cross of rice (Heliyon · 2021Article
- Integrated Isoform Sequencing and Dynamic Transcriptome Analysis Reveals Diverse Transcripts Responsible for Low Temperature Stress at Anther Meiosis Stage in Rice.Frontiers in plant science · 2021Article
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14 more citing papers are in PubMed but not listed here.
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Authors and funding
21 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In flowering plants, male meiosis produces four microspores, which develop into pollen grains and are released by anther dehiscence to pollinate female gametophytes. The molecular and cellular mechanisms regulating male meiosis in rice (Oryza sativa) remain poorly understood. Here, we describe a rice pollen semi-sterility1 (pss1) mutant, which displays reduced spikelet fertility (~40%) primarily caused by reduced pollen viability (~50% viable), and defective anther dehiscence. Map-based molecular cloning revealed that PSS1 encodes a kinesin-1-like protein. PSS1 is broadly expressed in various organs, with highest expression in panicles. Furthermore, PSS1 expression is significantly upregulated during anther development and peaks during male meiosis. The PSS1-green fluorescent protein fusion is predominantly localized in the cytoplasm of rice protoplasts. Substitution of a conserved Arg (Arg-289) to His in the PSS1 motor domain nearly abolishes its microtubule-stimulated ATPase activity. Consistent with this, lagging chromosomes and chromosomal bridges were found at anaphase I and anaphase II of male meiosis in the pss1 mutant. Together, our results suggest that PSS1 defines a novel member of the kinesin-1 family essential for male meiotic chromosomal dynamics, male gametogenesis, and anther dehiscence in rice.
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