ArticleRice (New York, N.Y.)2019
Mutation in a putative glycosyltransferase-like gene causes programmed cell death and early leaf senescence in rice.
Article in Rice (New York, N.Y.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 29 citations in OpenAlex.
- Lesion Mimic Mutant: An Ideal Genetic Material for Deciphering the Balance Between Plant Immunity and Growth.Rice (New York, N.Y.) · 2025Review
- Mapping and Screening of Candidate Gene Regulating the Biomass Yield of Sorghum (International journal of molecular sciences · 2024Article
- PWL1, a G-type lectin receptor-like kinase, positively regulates leaf senescence and heat tolerance but negatively regulates resistance to Xanthomonas oryzae in rice.Plant biotechnology journal · 2023Article
- The MYB59 transcription factor negatively regulates salicylic acid- and jasmonic acid-mediated leaf senescence.Plant physiology · 2023Article
- Cold-upregulated glycosyltransferase gene 1 (OsCUGT1) plays important roles in rice height and spikelet fertility.Journal of plant research · 2023Article
- Phenotypic and Genotypic Diversity of Roots Response to Salt in Durum Wheat Seedlings.Plants (Basel, Switzerland) · 2023Article
- Mutation ofInternational journal of molecular sciences · 2022Article
- OsCOMT, encoding a caffeic acid O-methyltransferase in melatonin biosynthesis, increases rice grain yield through dual regulation of leaf senescence and vascular development.Plant biotechnology journal · 2022Article
- SDR7-6, a short-chain alcohol dehydrogenase/reductase family protein, regulates light-dependent cell death and defence responses in rice.Molecular plant pathology · 2022Article
- Sweet Modifications Modulate Plant Development.Biomolecules · 2021Review
- Altered Expression ofInternational journal of molecular sciences · 2021Article
- Systematic identification and characterization of circular RNAs involved in flag leaf senescence of rice.Planta · 2021Article
- FiveFrontiers in plant science · 2021Article
- Rice EARLY SENESCENCE 2, encoding an inositol polyphosphate kinase, is involved in leaf senescence.BMC plant biology · 2020Article
- ES5 is involved in the regulation of phosphatidylserine synthesis and impacts on early senescence in rice (Oryza sativa L.).Plant molecular biology · 2020Article
- Transcriptomic data-driven discovery of global regulatory features of rice seeds developing under heat stress.Computational and structural biotechnology journal · 2020Article
- Glycosyltransferase-Like RSE1 Negatively Regulates Leaf Senescence Through Salicylic Acid Signaling inFrontiers in plant science · 2020Article
- Rice Senescence-Induced Receptor-Like Kinase (International journal of molecular sciences · 2019Article
- A 3-bp deletion of WLS5 gene leads to weak growth and early leaf senescence in rice.Rice (New York, N.Y.) · 2019Article
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6 authors at 2 institutions in 2 countries.
Funding
Abstract
Leaf senescence is a genetically regulated, highly complex and ordered process. Although it has been extensively studied, the mechanism of leaf senescence is not well understood. In this study, we isolated a rice mutant, designated as premature senescence leaf (psl), which exhibits early senescence and spontaneous lesion mimic phenotype after flowering. The psl mutant displays programmed cell death with elevated accumulation of reactive oxygen species (ROS). Molecular and genetic analyses revealed that the phenotypes were caused by a phenylalanine deletion in the OsPSL (LOC_Os12g42420) that encode a putative core 2/I branching beta-1,6-N-acetylglucosaminyl transferase predicted to be involved in protein glycosylation modification. OsPSL mRNA levels increased as senescence progressed, with maximum accumulation of transcripts at late senescence stages in WT plants. Moreover, remarkedly down-regulated transcriptional levels of O-linked N-acetylglucosamine (O-GlcNAc) transferases (OGTs) genes were observed in psl mutant, supporting the occurrence of impaired O-glycosylation modification. Proteomic analysis showed that ethylene-related metabolic enzymes including S-adenosyl methionine (SAM) synthetase (SAMS) were significantly upregulated in the psl mutant compared with WT. Consistent with the proteomic results, ethylene concentration is higher in psl mutant than in wild-type plants, and transcript levels of ethylene synthesis and signal transduction genes were induced in psl mutant. The early leaf senescence of psl can be partially rescued by ethylene biosynthesis inhibitor aminoethoxyvinylglycine treatment. These results highlight the importance of protein O-glycosylation in PCD and leaf senescence, and suggest a possible role of OsPSL in ethylene signaling.
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