{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["104(3)"],"submitter":["Guinea Diaz M"],"pubmed_abstract":["Various regulatory mechanisms have evolved in plants to optimize photosynthetic activity under fluctuating light. Thioredoxins (TRX) are members of the regulatory network balancing activities of light and carbon fixation reactions in chloroplasts. We have studied the impact of two chloroplast TRX systems, the ferredoxin-dependent TRX reductase (FTR) and the NADPH-dependent TRX reductase C (NTRC) on regulation of photosynthesis by mutants lacking or overexpressing a component of either system. Plants were subjected to image-based phenotyping and chlorophyll fluorescence measurements that allow long-term monitoring of the development and photosynthetic activity of the rosettes, respectively. Our experiments demonstrate that NTRC and FTR systems respond differently to variation of light inten"],"journal":["The Plant journal : for cell and molecular biology"],"pagination":["718-734"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7693050"],"repository":["biostudies-literature"],"pubmed_title":["Two chloroplast thioredoxin systems differentially modulate photosynthesis in Arabidopsis depending on light intensity and leaf age."],"pmcid":["PMC7693050"],"pubmed_authors":["Nikkanen L","Guinea Diaz M","Himanen K","Toivola J","Rintamaki E"],"additional_accession":[]},"is_claimable":false,"name":"Two chloroplast thioredoxin systems differentially modulate photosynthesis in Arabidopsis depending on light intensity and leaf age.","description":"Various regulatory mechanisms have evolved in plants to optimize photosynthetic activity under fluctuating light. Thioredoxins (TRX) are members of the regulatory network balancing activities of light and carbon fixation reactions in chloroplasts. We have studied the impact of two chloroplast TRX systems, the ferredoxin-dependent TRX reductase (FTR) and the NADPH-dependent TRX reductase C (NTRC) on regulation of photosynthesis by mutants lacking or overexpressing a component of either system. Plants were subjected to image-based phenotyping and chlorophyll fluorescence measurements that allow long-term monitoring of the development and photosynthetic activity of the rosettes, respectively. Our experiments demonstrate that NTRC and FTR systems respond differently to variation of light inten","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Nov","modification":"2026-05-04T23:40:25.43Z","creation":"2025-04-19T10:01:15.897Z"},"accession":"S-EPMC7693050","cross_references":{"pubmed":["32772439"],"doi":["10.1111/tpj.14959"]}}