ArticlePlant physiology2016
Thylakoid-Bound FtsH Proteins Facilitate Proper Biosynthesis of Photosystem I.
Article in Plant physiology, 2016. 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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Who cites it
28 citing papers in PubMed, 31 citations in OpenAlex.
- Chloroplast Protein Degradation Pathways During Leaf Senescence: Coordination and Roles in Nitrogen Remobilization.Plants (Basel, Switzerland) · 2026Review
- A FtsH-Like Zinc Metalloprotease, OsFtsH1, Coordinates Chloroplast Development and Photosystem II Homeostasis in Rice.Rice (New York, N.Y.) · 2026Article
- Exploring the role of BpPIN3 in hormonal regulation and branching morphogenesis of Betula pendula.BMC plant biology · 2025Article
- Proteostasis and protein quality control in chloroplasts: mechanisms and novel insights related to protein mislocalization.Journal of experimental botany · 2025Review
- Chloroplast ATP-dependent metalloprotease FtsH5/VAR1 confers cold-stress tolerance through singlet oxygen and salicylic acid signaling.Plant communications · 2025Article
- Structure, function, and assembly of PSI in thylakoid membranes of vascular plants.The Plant cell · 2024Review
- Genome-wide analysis of filamentous temperature-sensitive H protease (ftsH) gene family in soybean.BMC genomics · 2024Article
- Genome-Wide Identification and Comprehensive Analysis of theInternational journal of molecular sciences · 2023Article
- FtsH4 protease controls biogenesis of the PSII complex by dual regulation of high light-inducible proteins.Plant communications · 2023Article
- Chloroplast proteostasis: A story of birth, life, and death.Plant communications · 2023Review
- Low Light Facilitates Cyclic Electron Flows around PSI to Assist PSII against High Temperature Stress.Plants (Basel, Switzerland) · 2022Article
- Yang cycle enzyme DEP1: its moonlighting functions in PSI and ROS production during leaf senescence.Molecular horticulture · 2022Article
- Heat-induced down-regulation of photosystem II protects photosystem I in honeysuckle (Lonicera japonica).Journal of plant research · 2021Article
- The essential roles of OsFtsH2 in developing the chloroplast of rice.BMC plant biology · 2021Article
- Impacts of Nitrogen Deficiency on Wheat (Frontiers in plant science · 2021Article
- A point mutation in the photosystem I P700 chlorophyll a apoprotein A1 gene confers variegation in Helianthus annuus L.Plant molecular biology · 2020Article
- Article
- The highly efficient NDH-dependent photosystem I cyclic electron flow pathway in the marine angiosperm Zostera marina.Photosynthesis research · 2020Article
- A novel chloroplast super-complex consisting of the ATP synthase and photosystem I reaction center.PloS one · 2020Article
- Proteolysis mediated by the membrane-integrated ATP-dependent protease FtsH has a unique nonlinear dependence on ATP hydrolysis rates.Protein science : a publication of the Protein Society · 2019Article
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Thylakoid membrane-bound FtsH proteases have a well-characterized role in degradation of the photosystem II (PSII) reaction center protein D1 upon repair of photodamaged PSII. Here, we show that the Arabidopsis (Arabidopsis thaliana) var1 and var2 mutants, devoid of the FtsH5 and FtsH2 proteins, respectively, are capable of normal D1 protein turnover under moderate growth light intensity. Instead, they both demonstrate a significant scarcity of PSI complexes. It is further shown that the reduced level of PSI does not result from accelerated photodamage of the PSI centers in var1 or var2 under moderate growth light intensity. On the contrary, radiolabeling experiments revealed impaired synthesis of the PsaA/B reaction center proteins of PSI, which was accompanied by the accumulation of PSI-specific assembly factors. psaA/B transcript accumulation and translation initiation, however, occurred in var1 and var2 mutants as in wild-type Arabidopsis, suggesting problems in later stages of PsaA/B protein expression in the two var mutants. Presumably, the thylakoid membrane-bound FtsH5 and FtsH2 have dual functions in the maintenance of photosynthetic complexes. In addition to their function as a protease in the degradation of the photodamaged D1 protein, they also are required, either directly or indirectly, for early assembly of the PSI complexes.
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