ArticlePlant, cell & environment2020
A point mutation in LTT1 enhances cold tolerance at the booting stage in rice.
Article in Plant, cell & environment, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 54 citations in OpenAlex.
- OsbHLH6 regulates OsMADS57 and amino acid metabolism to impair cold tolerance in rice.Plant cell reports · 2026Article
- Natural variation in WRKY53 confers cold tolerance at the booting stage between japonica and indica rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Energy-sensing kinase OsSnRK1b and its regulator OsCTK1 promote chilling-induced stomatal closure and cold tolerance.Nature communications · 2026Article
- The Rice Cis-Natural Antisense Transcript NAT1850 of Pri-miR1850 Negatively Regulates Cold Tolerance by Repressing NPR3.Plant biotechnology journal · 2026Article
- The Pentatricopeptide Repeat Protein OsPPR7 Confers Cold Tolerance at the Booting Stage in Rice by Regulating ABA and ROS Homeostasis.Rice (New York, N.Y.) · 2026Article
- Stress Granule-Associated ZmCTU2 Confers Thermotolerance in Maize via Coordinated Regulation of Proteostasis and ROS Homeostasis.Plant biotechnology journal · 2026Article
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- Genome-wide identification of mFrontiers in plant science · 2026Article
- Low-Temperature-Induced Changes in Rice Panicle Architectures and Their Robustness in Extremely Cold-Tolerant Cultivars.Plants (Basel, Switzerland) · 2025Article
- Combining QTL mapping and transcriptomics to identify candidate genes for cold tolerance during the budding and seedling stages in rice.BMC genomics · 2025Article
- Article
- Plant Defense Proteins: Recent Discoveries and Applications.Plants (Basel, Switzerland) · 2025Review
- Rice-specific miR1850.1 targets NPR3 to regulate cold stress response.Plant communications · 2025Article
- Natural variation in CTF1 conferring cold tolerance at the flowering stage in rice.Plant biotechnology journal · 2025Article
- Overexpression ofPlants (Basel, Switzerland) · 2025Article
- CTB6 Confers Cold Tolerance at the Booting Stage by Maintaining Tapetum Development in Rice.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Natural variation of CTB5 confers cold adaptation in plateau japonica rice.Nature communications · 2025Article
- Integrated transcriptome and co-expression network analysis revealed the molecular mechanism of cold tolerance in japonica rice at booting stage.Frontiers in plant science · 2025Article
- Integrated effects of cold acclimation: physiological mechanisms, psychological adaptations, and potential applications.Frontiers in physiology · 2025Review
- MicroRNA identification and expression analysis of wheat thermo-sensitive male sterile line BNS366 for fertility transformation.Frontiers in plant science · 2025Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The cold tolerance of rice at the booting stage is a main factor determining sustainability and regional adaptability. However, relatively few cold tolerance genes have been identified that can be effectively used in breeding programmes. Here, we show that a point mutation in the low-temperature tolerance 1 (LTT1) gene improves cold tolerance by maintaining tapetum degradation and pollen development, by activation of systems that metabolize reactive oxygen species (ROS). Cold-induced ROS accumulation is therefore prevented in the anthers of the ltt1 mutants allowing correct development. In contrast, exposure to cold stress dramatically increases ROS accumulation in the wild type anthers, together with the expression of genes encoding proteins associated with programmed cell death and with the accelerated degradation of the tapetum that ultimately leads to pollen abortion. These results demonstrate that appropriate ROS management is critical for the cold tolerance of rice at the booting stage. Hence, the ltt1 mutation can significantly improve the seed setting ability of cold-sensitive rice varieties under low-temperature stress conditions, with little yield penalty under optimal temperature conditions. This study highlights the importance of a valuable genetic resource that may be applied in rice breeding programmes to enhance cold tolerance.
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