ArticlePhotosynthesis research2015
D1 fragmentation in photosystem II repair caused by photo-damage of a two-step model.
Article in Photosynthesis research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 49 citations in OpenAlex.
- A FtsH-Like Zinc Metalloprotease, OsFtsH1, Coordinates Chloroplast Development and Photosystem II Homeostasis in Rice.Rice (New York, N.Y.) · 2026Article
- Structural basis for an early stage of the photosystem II repair cycle in Chlamydomonas reinhardtii.Nature communications · 2024Article
- Photosystems under high light stress: throwing light on mechanism and adaptation.Photosynthetica · 2023Review
- High-Light-Induced Degradation of Photosystem II Subunits' Involvement in the Albino Phenotype in Tea Plants.International journal of molecular sciences · 2022Article
- Enzymes degraded under high light maintain proteostasis by transcriptional regulation inProceedings of the National Academy of Sciences of the United States of America · 2022Article
- Article
- Analysis of the changes of electron transfer and heterogeneity of photosystem II in Deg1-reduced Arabidopsis plants.Photosynthesis research · 2021Article
- Current Knowledge on Mechanisms Preventing Photosynthesis Redox Imbalance in Plants.Antioxidants (Basel, Switzerland) · 2021Review
- A theoretical framework of the hybrid mechanism of photosystem II photodamage.Photosynthesis research · 2021Article
- Glycinebetaine mitigated the photoinhibition of photosystem II at high temperature in transgenic tomato plants.Photosynthesis research · 2021Article
- Impaired PSII proteostasis triggers a UPR-like response in the var2 mutant of Arabidopsis.Journal of experimental botany · 2019Article
- A Genotypic Comparison Reveals That the Improvement in Nitrogen Remobilization Efficiency in Oilseed Rape Leaves Is Related to Specific Patterns of Senescence-Associated Protease Activities and Phytohormones.Frontiers in plant science · 2019Article
- Differential Roles of the Thylakoid Lumenal Deg Protease Homologs in Chloroplast Proteostasis.Plant physiology · 2018Article
- Chlorophyll fluorescence analysis revealed essential roles of FtsH11 protease in regulation of the adaptive responses of photosynthetic systems to high temperature.BMC plant biology · 2018Article
- FtsH Protease in the Thylakoid Membrane: Physiological Functions and the Regulation of Protease Activity.Frontiers in plant science · 2018Review
- Lethal effect of blue light on strawberry leaf beetle, Galerucella grisescens (Coleoptera: Chrysomelidae).Scientific reports · 2017Article
- Chloroplast Proteases: Updates on Proteolysis within and across Suborganellar Compartments.Plant physiology · 2016Review
- Insights into the Cyanobacterial Deg/HtrA Proteases.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Light energy drives photosynthesis, but it simultaneously inactivates photosynthetic mechanisms. A major target site of photo-damage is photosystem II (PSII). It further targets one reaction center protein, D1, which is maintained efficiently by the PSII repair cycle. Two proteases, FtsH and Deg, are known to contribute to this process, respectively, by efficient degradation of photo-damaged D1 protein processively and endoproteolytically. This study tested whether the D1 cleavage accomplished by these proteases is affected by different monochromic lights such as blue and red light-emitting-diode light sources, remaining mindful that the use of these lights distinguishes the current models for photoinhibition: the excess-energy model and the two-step model. It is noteworthy that in the two-step model, primary damage results from the absorption of light energy in the Mn-cluster, which can be enhanced by a blue rather than a red light source. Results showed that blue and red lights affect D1 degradation differently. One prominent finding was that D1 fragmentation that is specifically generated by luminal Deg proteases was enhanced by blue light but not by red light in the mutant lacking FtsH2. Although circumstantial, this evidence supports a two-step model of PSII photo-damage. We infer that enhanced D1 fragmentation by luminal Deg proteases is a response to primary damage at the Mn-cluster.
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