ArticleThe Plant cell2023
BOTRYOID POLLEN 1 regulates ROS-triggered PCD and pollen wall development by controlling UDP-sugar homeostasis in rice.
Article in The Plant cell, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 47 citations in OpenAlex.
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- Loss of the plastidial hexokinase CsHXK3 triggers metabolic starvation and ROS imbalance leading to pollen abortion in cucumber.The Plant journal : for cell and molecular biology · 2026Article
- Unlocking wheat fertility: map-based cloning spotlights anther-specific TaAGO5c as a master modulator.The Plant journal : for cell and molecular biology · 2026Article
- Allelic variation in UVR8 modulates thermotolerance-yield tradeoffs in plants.Cell research · 2026Article
- Dehydrogenase WRD1 regulates plant growth by modulating cell wall formation, ROS homeostasis, and auxin signaling in rice.The Plant journal : for cell and molecular biology · 2026Article
- HSP101-encoding NEO-TETRAPLOID RICE FERTILITY GENE 1 regulates tapetum development through interaction with SAPK2 in polyploid rice.Journal of integrative plant biology · 2026Article
- GmTGA9-GmDYT1 Regulates Anther Wall Development to Affect Male Fertility in Soybean.Plants (Basel, Switzerland) · 2026Article
- OsMT2b Regulates Pollen Development and ROS Homeostasis in a Photoperiod-Dependent Manner.Plant biotechnology journal · 2026Article
- Two to tango: DTT1 regulates barley tapetum transition as part of a paired key.The Plant cell · 2025Article
- Non-Target Metabolomics Reveals Changes in Metabolite Profiles in Distant Hybrid Incompatibility BetweenPlants (Basel, Switzerland) · 2025Article
- Natural variation in CTF1 conferring cold tolerance at the flowering stage in rice.Plant biotechnology journal · 2025Article
- Uridine diphosphate glucose confers oxidative stress tolerance in microalgae.BMC plant biology · 2025Article
- Disruption of the endoplasmic reticulum-localized fatty acyl-ACP thioesterase IPF1 caused partial male sterility in rice.Plant molecular biology · 2025Article
- Molecular Mechanism ofMetabolites · 2025Article
- CTB6 Confers Cold Tolerance at the Booting Stage by Maintaining Tapetum Development in Rice.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Identification of the new allele ptc1-2 and analysis of the regulatory role of PTC1 gene in rice anther development.BMC plant biology · 2024Article
- Genome-Wide Analysis and Characterization of theInternational journal of molecular sciences · 2024Article
Corrections and comments
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Authors and funding
19 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Uridine diphosphate (UDP)-sugars are important metabolites involved in the biosynthesis of polysaccharides and may be important signaling molecules. UDP-glucose 4-epimerase (UGE) catalyzes the interconversion between UDP-Glc and UDP-Gal, whose biological function in rice (Oryza sativa) fertility is poorly understood. Here, we identify and characterize the botryoid pollen 1 (bp1) mutant and show that BP1 encodes a UGE that regulates UDP-sugar homeostasis, thereby controlling the development of rice anthers. The loss of BP1 function led to massive accumulation of UDP-Glc and imbalance of other UDP-sugars. We determined that the higher levels of UDP-Glc and its derivatives in bp1 may induce the expression of NADPH oxidase genes, resulting in a premature accumulation of reactive oxygen species (ROS), thereby advancing programmed cell death (PCD) of anther walls but delaying the end of tapetal degradation. The accumulation of UDP-Glc as metabolites resulted in an abnormal degradation of callose, producing an adhesive microspore. Furthermore, the UDP-sugar metabolism pathway is not only involved in the formation of intine but also in the formation of the initial framework for extine. Our results reveal how UDP-sugars regulate anther development and provide new clues for cellular ROS accumulation and PCD triggered by UDP-Glc as a signaling molecule.
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