ArticlePlant biotechnology journal2023
Low temperature compensates for defective tapetum initiation to restore the fertility of the novel TGMS line ostms15.
Article in Plant biotechnology journal, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 22 citations in OpenAlex.
- Molecular understanding of plant pollination, fertilization, seed development and protoplast regeneration.Science China. Life sciences · 2026Review
- Cysteine-rich receptor-like kinase and MADS-box co-regulation of programmed cell death drives apical spikelet degeneration in wheat.Plant physiology · 2026Article
- Anther middle layer fatty acid synthesis is essential for pollen development and fertility restoration at low temperature in Arabidopsis.Plant physiology · 2026Article
- Redundant Glycerol-3-Phosphate Acyltransferases Regulate Thermo-Sensitive Genic Male Sterility in Rice.Plant biotechnology journal · 2026Article
- TMS5-mediated R-loop dynamics regulate thermosensitive fertility conversion in rice.Nature communications · 2026Article
- Unraveling Advances in Rice Male Sterility Systems: From Genetic Basis to Hybrid Breeding Innovation.Plants (Basel, Switzerland) · 2026Review
- Advances in the Mechanistic Study of Environment-Sensitive Genic Male Sterility in Rice.Rice (New York, N.Y.) · 2026Review
- Heat stress impact on rice reproductive processes: challenges and new approaches.Frontiers in genome editing · 2026Review
- The OsRqc1-OsVms1 module regulates the temperature threshold in thermo-sensitive genic male-sterile rice lines.Science China. Life sciences · 2025Article
- Advancements in hybrid rice production: improvements in male sterility and synthetic apomixis for sustainable agriculture.Plant biotechnology journal · 2025Review
- Brems1 mutation induced tapetum deficiency leading to male sterility in Chinese cabbage (Brassica rapa L. ssp. pekinensis).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Transcriptome and WGCNA reveals the potential genetic basis of photoperiod-sensitive male sterility in soybean.BMC genomics · 2025Article
- Advances in plant male sterility for hybrid seed production: an overview of conditional nuclear male sterile lines and biotechnology-based male sterile systems.Frontiers in plant science · 2025Review
- Mutations in a Leucine-Rich Repeat Receptor-Like Kinase gene result in male sterility and reduction in the number and size of fruit warts in cucumber (Cucumis sativus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- How Rice Responds to Temperature Changes and Defeats Heat Stress.Rice (New York, N.Y.) · 2024Review
- Molecular mechanisms underlying the negative effects of transient heatwaves on crop fertility.Plant communications · 2024Review
- Temperature and light reverse the fertility of rice P/TGMS line ostms19 via reactive oxygen species homeostasis.Plant biotechnology journal · 2024Article
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Authors and funding
15 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In rice breeding, thermosensitive genic male sterility (TGMS) lines based on the tms5 locus have been extensively employed. Here, we reported a novel rice TGMS line ostms15 (Oryza sativa ssp. japonica ZH11) which show male sterility under high temperature and fertility under low temperature. Field evaluation from 2018 to 2021 revealed that its sterility under high temperature is more stable than that of tms5 (ZH11), even with occasional low temperature periods, indicating its considerable value for rice breeding. OsTMS15 encodes an LRR-RLK protein MULTIPLE SPOROCYTE1 (MSP1) which was reported to interact with its ligand to initiate tapetum development for pollen formation. In ostms15, a point mutation from GTA (Val) to GAA (Glu) in its TIR motif of the LRR region led to the TGMS phenotype. Cellular observation and gene expression analysis showed that the tapetum is still present in ostms15, while its function was substantially impaired under high temperature. However, its tapetum function was restored under low temperature. The interaction between mOsTMS15 and its ligand was reduced while this interaction was partially restored under low temperature. Slow development was reported to be a general mechanism of P/TGMS fertility restoration. We propose that the recovered protein interaction together with slow development under low temperature compensates for the defective tapetum initiation, which further restores ostms15 fertility. We used base editing to create a number of TGMS lines with different base substitutions based on the OsTMS15 locus. This work may also facilitate the mechanistic investigation and breeding of other crops.
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