ArticleJournal of experimental botany2014
Phytochrome B-mediated activation of lipoxygenase modulates an excess red light-induced defence response in Arabidopsis.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 41 citations in OpenAlex.
- Physiological and Transcriptomic Analysis of Shading Stress Responses inInternational journal of molecular sciences · 2026Article
- Red light enhances the storage quality and flavor of Chinese cabbage during a short shelf life.Current research in food science · 2025Article
- Dynamic molecular regulation of salt stress responses in maize (Frontiers in plant science · 2025Article
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- Genetic Dissection of Light-Regulated Adventitious Root Induction inInternational journal of molecular sciences · 2022Article
- Plant Defense Responses to Biotic Stress and Its Interplay With Fluctuating Dark/Light Conditions.Frontiers in plant science · 2021Review
- Prediction of condition-specific regulatory genes using machine learning.Nucleic acids research · 2020Article
- Identification of Callose Synthases in Stinging Nettle and Analysis of Their Expression in Different Tissues.International journal of molecular sciences · 2020Article
- Article
- TheHorticulture research · 2020Article
- Isolation and functional validation of the CmLOX08 promoter associated with signalling molecule and abiotic stress responses in oriental melon, Cucumis melo var. makuwa Makino.BMC plant biology · 2019Article
- ARSENATE INDUCED CHLOROSIS 1/ TRANSLOCON AT THE OUTER ENVOLOPE MEMBRANE OF CHLOROPLASTS 132 Protects Chloroplasts from Arsenic Toxicity.Plant physiology · 2018Article
- Digital Imaging Combined with Genome-Wide Association Mapping Links Loci to Plant-Pathogen Interaction Traits.Plant physiology · 2018Article
- Phytochrome B1-dependent control of SP5G transcription is the basis of the night break and red to far-red light ratio effects in tomato flowering.BMC plant biology · 2018Article
- Exposure to lower red to far-red light ratios improve tomato tolerance to salt stress.BMC plant biology · 2018Article
- Coordination Between ROS Regulatory Systems and Other Pathways Under Heat Stress and Pathogen Attack.Frontiers in plant science · 2018Review
- Cross-talk between high light stress and plant defence to the two-spotted spider mite in Arabidopsis thaliana.Experimental & applied acarology · 2017Article
- De novo Transcriptome Analysis of Rhizoctonia solani AG1 IA Strain Early Invasion in Zoysia japonica Root.Frontiers in microbiology · 2016Article
- LSD1 and HY5 antagonistically regulate red light induced-programmed cell death in Arabidopsis.Frontiers in plant science · 2015Article
- ROS-mediated enhanced transcription of CYP38 promotes the plant tolerance to high light stress by suppressing GTPase activation of PsbO2.Frontiers in plant science · 2015Article
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3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lipoxygenase (LOX), a non-haem-iron-containing dioxygenase, is activated under various biotic or abiotic stresses to trigger a series resistance response, but the molecular mechanism of LOX activation remains unclear. This work investigated the activation of LOX during the plant defence response induced by excess red light (RL). In conditions of RL-induced defence, Arabidopsis LOX activity and transcription levels of LOX2, LOX3, and LOX4 were both upregulated. Under RL, phytochrome B promoted the degradation of phytochrome-interacting factor 3 (PIF3), a factor that inhibited the expression levels of LOXs, and thus the transcription levels of LOX2, LOX3, and LOX4 were increased. Upon pathogen infection, the activity of mitogen-activated protein kinase 3 (MPK3) and MPK6 was increased in plants pre-treated with RL. Moreover, experiments with the inhibitor PD98059 and mutants mpk3 and mpk6-2 demonstrated that MPK3 and MPK6 were both responsible for LOX activation. Further results showed that, in response to RL, an increase in cytoplasmic calcium concentration and upregulation of calmodulin 3 (CaM3) transcript level occurred upstream of MPK3 and MPK6 activation. Collectively, these results suggested that activation of LOX both at the transcript level and in terms of activity modulates the defence response induced by RL, providing a new insight into the mechanistic study of LOX during plant defences.
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