ArticleThe Plant cell2012
The Arabidopsis thylakoid ADP/ATP carrier TAAC has an additional role in supplying plastidic phosphoadenosine 5'-phosphosulfate to the cytosol.
Article in The Plant cell, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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Who cites it
45 citing papers in PubMed, 88 citations in OpenAlex.
- Sulfur metabolism-dependent retrograde signaling for oxidative stress acclimation.Journal of experimental botany · 2026Review
- Turning over a green leaf: integrating light signals toward chloroplast establishment.Plant physiology · 2026Review
- Modulation of SAL retrograde signalling promotes yield and water productivity responses in dynamic field environments.The New phytologist · 2026Article
- Chloroplast Fibrillin-Mediated α-Tocopherol Biosynthesis Impaired by a Virus to Enhance Infection and to Improve Drought Tolerance.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Regulation of co-translational mRNA decay by PAP and DXO1 in Arabidopsis.BMC plant biology · 2025Article
- Catalysts for sulfur: understanding the intricacies of enzymes orchestrating plant sulfur anabolism.Planta · 2024Review
- Adaptive modifications in plant sulfur metabolism over evolutionary time.Journal of experimental botany · 2024Review
- Photosynthetic machinery under salinity stress: Trepidations and adaptive mechanisms.Photosynthetica · 2023Review
- Plant environmental sensing relies on specialized plastids.Journal of experimental botany · 2022Review
- A metabolic, phylogenomic and environmental atlas of diatom plastid transporters from the model speciesFrontiers in plant science · 2022Article
- The versatility of plant organic acid metabolism in leaves is underpinned by mitochondrial malate-citrate exchange.The Plant cell · 2021Article
- New Insights on the Regulation of Glucosinolate BiosynthesisFrontiers in plant science · 2021Article
- Dissecting the Role of SAL1 in Metabolizing the Stress Signaling Molecule 3'-Phosphoadenosine 5'-Phosphate in Different Cell Compartments.Frontiers in molecular biosciences · 2021Article
- Plant Mitochondrial Carriers: Molecular Gatekeepers That Help to Regulate Plant Central Carbon Metabolism.Plants (Basel, Switzerland) · 2020Review
- Oxygen and ROS in Photosynthesis.Plants (Basel, Switzerland) · 2020Review
- Nucleotide Transport and Metabolism in Diatoms.Biomolecules · 2019Review
- Sulfated plant peptide hormones.Journal of experimental botany · 2019Review
- Sulfation pathways from red to green.The Journal of biological chemistry · 2019Review
- Loss of Arabidopsis Halotolerance 2-like (AHL), a 3'-phosphoadenosine-5'-phosphate phosphatase, suppresses insensitive response of Arabidopsis thaliana ring zinc finger 1 (atrzf1) mutant to abiotic stress.Plant molecular biology · 2019Article
- Too Much, Take it Back: PAP Moves from the Cytosol to Plastids and Mitochondria for Degradation via PAPST2.The Plant cell · 2019Article
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
Abstract
3'-Phosphoadenosine 5'-phosphosulfate (PAPS) is the high-energy sulfate donor for sulfation reactions. Plants produce some PAPS in the cytosol, but it is predominantly produced in plastids. Accordingly, PAPS has to be provided by plastids to serve as a substrate for sulfotransferase reactions in the cytosol and the Golgi apparatus. We present several lines of evidence that the recently described Arabidopsis thaliana thylakoid ADP/ATP carrier TAAC transports PAPS across the plastid envelope and thus fulfills an additional function of high physiological relevance. Transport studies using the recombinant protein revealed that it favors PAPS, 3'-phosphoadenosine 5'-phosphate, and ATP as substrates; thus, we named it PAPST1. The protein could be detected both in the plastid envelope membrane and in thylakoids, and it is present in plastids of autotrophic and heterotrophic tissues. TAAC/PAPST1 belongs to the mitochondrial carrier family in contrast with the known animal PAPS transporters, which are members of the nucleotide-sugar transporter family. The expression of the PAPST1 gene is regulated by the same MYB transcription factors also regulating the biosynthesis of sulfated secondary metabolites, glucosinolates. Molecular and physiological analyses of papst1 mutant plants indicate that PAPST1 is involved in several aspects of sulfur metabolism, including the biosynthesis of thiols, glucosinolates, and phytosulfokines.
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