ArticleJournal of experimental botany2014
A chloroplast-targeted DnaJ protein contributes to maintenance of photosystem II under chilling stress.
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 77 papers.
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77 citing papers in PubMed, 176 citations in OpenAlex.
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- Nitrogen-Doped Carbon Dots Alleviate Pesticide Toxicity in Tomato by Regulating Antioxidant Systems.International journal of molecular sciences · 2025Article
- Light and Shadows: Insights from Large-Scale Visual Screens for Arabidopsis Leaf Morphology Mutants.International journal of molecular sciences · 2025Review
- Genome-wide analysis of the DnaJ gene family and their expression profiles under salt stress in potato.BMC genomics · 2025Article
- Characterization of DnaJ gene family in Castanea mollissima and functional analysis of CmDnaJ27 under cold and heat stresses.BMC plant biology · 2025Article
- Transcriptome Analysis of Genes Responsive to Nutrient Level Changes in the Marine Red Alga Pyropia yezoensis (Nori).Marine biotechnology (New York, N.Y.) · 2025Article
- Proteomic analysis of oat (Avena sativa L.) under drought stress using tandem mass tag labeling.PloS one · 2025Article
- Response strategies of Ochroma lagopus to short-term low-temperature stress and rewarming: a photosynthesis-antioxidant-carbon network analysis.Frontiers in plant science · 2025Article
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- Exogenous strigolactones alleviate low-temperature stress in peppers seedlings by reducing the degree of photoinhibition.BMC plant biology · 2024Article
- Genome-Wide Identification and Analysis of MaizePlants (Basel, Switzerland) · 2024Article
- SlTrxh functions downstream of SlMYB86 and positively regulates nitrate stress tolerance via S-nitrosation in tomato seedling.Horticulture research · 2024Article
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- Concordant Gene Expression and Alternative Splicing Regulation under Abiotic Stresses in Arabidopsis.Genes · 2024Article
- 5-Aminolevulinic acid improves cold resistance through regulation of SlMYB4/SlMYB88-SlGSTU43 module to scavenge reactive oxygen species in tomato.Horticulture research · 2024Article
- Differential heat-response characteristics of two plastid isoforms of triose phosphate isomerase in tomato.Plant biotechnology journal · 2024Article
- Identification of genetic loci and candidate genes underlying freezing tolerance in wheat seedlings.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
17 more citing papers are in PubMed but not listed here.
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6 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
DnaJ proteins act as essential molecular chaperones in protein homeostasis and protein complex stabilization under stress conditions. The roles of a tomato (Lycopersicon esculentum) chloroplast-targeted DnaJ protein (LeCDJ1), whose expression was upregulated by treatment at 4 and 42 °C, and with high light, NaCl, polyethylene glycol, and H2O2, were investigated here using sense and antisense transgenic tomatoes. The sense plants exhibited not only higher chlorophyll content, fresh weight and net photosynthetic rate, but also lower accumulation of reactive oxygen species and membrane damage under chilling stress. Moreover, the maximal photochemistry efficiency of photosystem II (PSII) (F v/F m) and D1 protein content were higher in the sense plants and lower in the antisense plants, and the photoinhibitory quenching was lower in the sense plants and higher in the antisense plants, suggesting that the inhibition of PSII was less severe in the sense plants and more severe in the antisense plants compared with the wild type. Furthermore, the PSII protein complexes were also more stable in the sense plants. Interestingly, the sense plants treated with streptomycin (SM), an inhibitor of organellar translation, still showed higher F v/F m, D1 protein content and PSII stability than the SM-untreated antisense plants. This finding suggested that the protective effect of LeCDJ1 on PSII was, at least partially, independent of D1 protein synthesis. Furthermore, chloroplast heat-shock protein 70 was identified as the partner of LeCDJ1. These results indicate that LeCDJ1 has essential functions in maintaining PSII under chilling stress.
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