ArticleThe New phytologist2025
UV RESISTANCE LOCUS 8 signalling enhances photosynthetic resilience to herbicide-induced damage in Arabidopsis thaliana.
Article in The New phytologist, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Phosphorylation of the plant photoreceptor UVR8 regulates its dimer/monomer status and enhances UV-B signaling across species.The Plant cell · 2026Article
- Review
- Involvement of the Light Signalling Components HY5 and BIC1,2 and SPA1 in Plant Responses to Elevated Daytime UV-B Doses.International journal of molecular sciences · 2026Article
- Effects of blue light and UV-B radiation during growth on photochemical yields during exposure to bright sunlight.BMC plant biology · 2026Article
- Time-resolved transcriptomic analysis suggests candidate hub gene modules and putative regulatory pathways in tobacco under dicamba stress.Frontiers in plant science · 2026Article
- Transcriptomic Insights into the Dual-Modulatory Role of EGCG in Alleviating Glyphosate-Induced Oxidative Stress inInternational journal of molecular sciences · 2025Article
- Adaptation of Plants to UV-B Radiation with Altitude in Tuha Basin: Synergistic Regulation of Epidermal Structure, Secondary Metabolites, and Organic Element Allocation.Life (Basel, Switzerland) · 2025Article
- Sensing a rainbow of colors: algal photoreceptors.Frontiers in plant science · 2025Review
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Authors and funding
2 authors.
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Abstract
Perception of low irradiance ultraviolet B (UV-B) light (280-315 nm) by the UV RESISTANCE LOCUS 8 (UVR8) photoreceptor initiates signalling pathways that enhance plant defences to UV-B damage, mitigating the effects of higher photon irradiances. We therefore questioned whether UVR8 signalling could also prime plants against herbicide-induced damage, promoting postspray survival. We assessed the effects of a 2 d, low irradiance UV-B pretreatment on the photosynthetic resilience and survival of Arabidopsis thaliana plants treated with herbicides promoting photosynthetic disruption and oxidative stress. UV-B acclimation increased leaf carotenoid production, antioxidant activity and nonphotochemical quenching (NPQ) and delayed herbicide-induced reductions in electron transport rate (ETR), facilitating postspray regrowth and enhancing plant survival. In the absence of UV-B, this protection declined within 4 d, suggesting that it is unlikely to result from structural modifications. UV-B-mediated enhancement of photosynthetic resilience was abolished in the uvr8-6 mutant and increased in the UV-B hyper-responsive repressor of UV-B photomorphogenesis1/2 (rup1rup2) mutant, highlighting the involvement of UVR8 signalling. UV-B filtering during daylight acclimation also increased herbicide efficacy in Chenopodium, suggesting similar responses in agricultural weeds. UV-B-induced photoprotection enhances the resilience of plant photosystems to herbicide damage, providing a key target for increasing product efficacy and reducing usage.
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