ArticleJournal of experimental botany2020
The mitochondrial aldehyde dehydrogenase OsALDH2b negatively regulates tapetum degeneration in rice.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- A leucine-rich-repeat receptor-like kinase SERL1 phosphorylates and stabilizes OsALDH2B1 to promote alkaline tolerance and grain size in rice.Journal of integrative plant biology · 2026Article
- Interplay of different signaling mechanisms in regulating programmed cell death during plant development and in response to stresses.Protoplasma · 2026Review
- Dual stress (waterlogging and salinity) resilience in Arabidopsis thaliana conferred by overexpression of a putative daylily (Hemerocallis spp.) betaine aldehyde dehydrogenase gene.Journal of plant research · 2026Article
- Genome-wide analysis of the ALDH superfamily inFrontiers in plant science · 2026Article
- Identification of Aldehyde Dehydrogenase Gene Family inInternational journal of molecular sciences · 2025Article
- Morphophysiological and transcriptomic analyses during the development of microspores and megaspores inFrontiers in plant science · 2025Article
- Genome-Wide Identification and Expression Analysis of the Melon Aldehyde Dehydrogenase (ALDH) Gene Family in Response to Abiotic and Biotic Stresses.Plants (Basel, Switzerland) · 2024Article
- Functional Characterization of Aldehyde Dehydrogenase inMicroorganisms · 2023Article
- Developmental Differences between Anthers of Diploid and Autotetraploid Rice at Meiosis.Plants (Basel, Switzerland) · 2022Article
- Comparative genomic analysis of the aldehyde dehydrogenase gene superfamily inFrontiers in plant science · 2022Article
- Genetic mapping reveals BjRf as a candidate gene controlling fertility restoration of the oxa CMS in Brassica juncea.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Transcriptional Regulation and Signaling of Developmental Programmed Cell Death in Plants.Frontiers in plant science · 2021Review
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8 authors.
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Abstract
Timely degradation of anther tapetal cells is a prerequisite for normal pollen development in flowering plants. Although several genes involved in tapetum development have been identified, the molecular basis of tapetum degeneration regulation remains poorly understood. In this study, we identified and characterized the nucleus-encoded, conserved mitochondrial aldehyde dehydrogenase OsALDH2b as a key regulator of tapetum degeneration in rice (Oryza sativa). OsALDH2b was highly expressed in anthers from meiosis to the early microspore stage. Mutation of OsALDH2b resulted in excess malonaldehyde accumulation and earlier programmed cell death in the tapetum, leading to premature tapetum degeneration and abnormal microspore development. These results demonstrate that OsALDH2b negatively regulates tapetal programmed cell death and is required for male reproductive development, providing insights into the regulation of tapetum development in plants.
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