ArticlePhysiologia plantarum2014
AtFKBP16-1, a chloroplast lumenal immunophilin, mediates response to photosynthetic stress by regulating PsaL stability.
Article in Physiologia plantarum, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 27 citations in OpenAlex.
- Integrated Multi-Omic Analyses Uncover a Regulatory Link Between Photosynthesis and Drought Tolerance in Field-Grown Sorghum.Plant, cell & environment · 2026Article
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- Lipo-chitooligosaccharide and thuricin 17 act as plant growth promoters and alleviate drought stress inFrontiers in microbiology · 2023Article
- Genome-Wide Identification and Analysis of FKBP Gene Family in Wheat (International journal of molecular sciences · 2022Article
- Genome-Wide Investigation of theFrontiers in plant science · 2022Article
- Gene Coexpression Network Analysis Indicates that Hub Genes Related to Photosynthesis and Starch Synthesis Modulate Salt Stress Tolerance inInternational journal of molecular sciences · 2021Article
- Conserved Residues in the C-Terminal Domain Affect the Structure and Function of CYP38 in Arabidopsis.Frontiers in plant science · 2021Article
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- Photosystem I-LHCII megacomplexes respond to high light and aging in plants.Photosynthesis research · 2018Article
- Overexpression of Golgi Protein CYP21-4s Improves Crop Productivity in Potato and Rice by Increasing the Abundance of Mannosidic Glycoproteins.Frontiers in plant science · 2017Article
- Chloroplast immunophilins.Protoplasma · 2016Review
- Recent advances in understanding photosynthesis.F1000Research · 2016Review
- Article
- Overexpression of OsCYP19-4 increases tolerance to cold stress and enhances grain yield in rice (Oryza sativa).Journal of experimental botany · 2016Article
- OsCYP21-4, a novel Golgi-resident cyclophilin, increases oxidative stress tolerance in rice.Frontiers in plant science · 2015Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
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Abstract
Arabidopsis contains 16 putative chloroplast lumen-targeted immunophilins (IMMs). Proteomic analysis has enabled the subcellular localization of IMMs experimentally, but the exact biological and physiological roles of most luminal IMMs remain to be discovered. FK506-binding protein (FKBP) 16-1, one of the lumenal IMMs containing poorly conserved amino acid residues for peptidyl-prolyl isomerase (PPIase) activity, was shown to play a possible role in chloroplast biogenesis in Arabidopsis, and was also found to interact with PsaL in wheat. In this study, further evidence is provided for the notion that Arabidopsis FKBP16-1 (AtFKBP16-1) is transcriptionally and post-transcriptionally regulated by environmental stresses including high light (HL) intensity, and that overexpression of AtFKBP16-1 plants exhibited increased photosynthetic stress tolerance. A blue native-polyacrylamide gel electrophoresis/two-dimensional (BN-PAGE/2-D) analysis revealed that the increase of AtFKBP16-1 affected the levels of photosystem I (PSI)-light harvesting complex I (LHCI) and PSI-LHCI-light harvesting complex II (LHCII) supercomplex, and consequently enhanced tolerance under conditions of HL stress. In addition, plants overexpressing AtFKBP16-1 showed increased accumulation of PsaL protein and enhanced drought tolerance. Using a protease protection assay, AtFKBP16-1 protein was found to have a role in PsaL stability. The AtPsaL levels also responded to abiotic stresses derived from drought, and from methyl viologen stresses in wild-type plants. Taken together, these results suggest that AtFKBP16-1 plays a role in the acclimation of plants under photosynthetic stress conditions, probably by regulating PsaL stability.
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