ArticlePlant molecular biology2007
Isolation and molecular characterization of a Spotted leaf 18 mutant by modified activation-tagging in rice.
Article in Plant molecular biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.
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52 citing papers in PubMed, 131 citations in OpenAlex.
- Characterization, genetic analysis and gene identification of an EMS-mutagenized lesion-mimic mutant with enhanced powdery mildew resistance in bread wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Large-Scale Rice Mutant Establishment and High-Throughput Mutant Manipulation Help Advance Rice Functional Genomics.Plants (Basel, Switzerland) · 2025Review
- Lesion Mimic Mutant: An Ideal Genetic Material for Deciphering the Balance Between Plant Immunity and Growth.Rice (New York, N.Y.) · 2025Review
- CRISPR activation: identifying and using novel genes for plant disease resistance breeding.Frontiers in genome editing · 2025Review
- Lesion mimic geneFrontiers in plant science · 2025Article
- Genetic characterization and linkage analysis of spotted leaf 6,liguleless and lax panicle traits in mutant rice.Journal of genetics · 2024Article
- Disruption of the Novel Small Protein RBR7 Leads to Enhanced Plant Resistance to Blast Disease.Rice (New York, N.Y.) · 2023Article
- Isolation and Characterization ofPlants (Basel, Switzerland) · 2023Article
- Advances in the Genetic Basis and Molecular Mechanism of Lesion Mimic Formation in Rice.Plants (Basel, Switzerland) · 2022Review
- Assessment of Rice Sheath Blight Resistance Including Associations with Plant Architecture, as Revealed by Genome-Wide Association Studies.Rice (New York, N.Y.) · 2022Article
- Rice Lesion Mimic Gene Cloning and Association Analysis for Disease Resistance.Current issues in molecular biology · 2022Review
- Characterization and fine mapping of a lesion mimic mutant (Lm5) with enhanced stripe rust and powdery mildew resistance in bread wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- A MaizeGenes · 2022Article
- Identification and fine mapping of lesion mimic mutantBreeding science · 2021Article
- Characterization of evolutionarily distinct rice BAHD-Acyltransferases provides insight into their plausible role in rice susceptibility to Rhizoctonia solani.The plant genome · 2021Article
- Enhanced SA and CaMolecular genetics and genomics : MGG · 2021Article
- Rice Lesion Mimic Mutants (LMM): The Current Understanding of Genetic Mutations in the Failure of ROS Scavenging during Lesion Formation.Plants (Basel, Switzerland) · 2021Review
- SPL36 Encodes a Receptor-like Protein Kinase that Regulates Programmed Cell Death and Defense Responses in Rice.Rice (New York, N.Y.) · 2021Article
- Genetic characterization for lesion mimic and other traits in relation to spot blotch resistance in spring wheat.PloS one · 2020Article
- Deployment of Genetic and Genomic Tools Toward Gaining a Better Understanding of Rice-Frontiers in plant science · 2020Review
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A lesion mimic mutant that we designated Spotted leaf 18 (Spl18) was isolated from 13,000 activation-tagging lines of rice produced by our modified activation-tagging vector and further characterized. Spl18 was dominant and its phenotype was linked to the T-DNA insertion. An ORF was located about 500 bp downstream of the inserted T-DNA, and the deduced protein, designated OsAT1, showed sequence similarity to an acyltransferase whose expression is induced by hypersensitive reaction in tobacco. The transcriptional level of OsAT1 was very low in the WT leaf blade but high in Spl18 leaf blade. In wild-type rice, OsAT1 was transcribed mainly in the young panicle, in the panicle just after heading, and in the leaf sheath. In addition, transcription of the genes for PR protein was upregulated in Spl18, accumulation of phytoalexins (both momilactone A and sakuranetin) was increased, and resistance to blast disease was improved. We then combined OsAT1 genomic DNA downstream of the modified 35S promoter and re-transformed it into rice. Lesion mimic and blast resistance phenotypes were detected in the transgenic lines produced, clearly indicating that overexpression of OsAT1 caused the Spl18 phenotypes. In addition, plants overexpressing OsAT1 showed resistance to bacterial blight.
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