ArticlePlant cell reports2012
OsPFA-DSP1, a rice protein tyrosine phosphatase, negatively regulates drought stress responses in transgenic tobacco and rice plants.
Article in Plant cell reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 33 citations in OpenAlex.
- Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates.FEBS letters · 2026Review
- Water stress tolerance, genomic selection and identification of genomic regions in a MAGIC population of eggplant.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Comprehensive analysis of genomic loci associated with glaucousness in wheat (Physiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- Emerging Functions of Protein Tyrosine Phosphatases in Plants.International journal of molecular sciences · 2024Review
- Inositol pyrophosphate catabolism by three families of phosphatases regulates plant growth and development.PLoS genetics · 2024Article
- Transcriptome and Small RNA Sequencing Reveals the Basis of Response to Salinity, Alkalinity and Hypertonia in Quinoa (International journal of molecular sciences · 2023Article
- Importance of Tyrosine Phosphorylation in Hormone-Regulated Plant Growth and Development.International journal of molecular sciences · 2022Review
- A structural exposé of noncanonical molecular reactivity within the protein tyrosine phosphatase WPD loop.Nature communications · 2022Article
- Targeted and untargeted metabolomics reveals deep analysis of drought stress responses in needles and roots ofFrontiers in plant science · 2022Article
- AtPFA-DSP5 interacts with MPK3/MPK6 and negatively regulates plant salt responses.Plant signaling & behavior · 2021Article
- Molecular mapping and characterization of QBp.caas-3BL for black point resistance in wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Review
- Role of Protein Tyrosine Phosphatases in Plants.Current genomics · 2015Article
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
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Abstract
Dephosphorylation plays a pivotal role in regulating plant growth, development and abiotic/biotic stress responses. Here, we characterized a plant and fungi atypical dual-specificity phosphatase (PFA-DSP) subfamily member, OsPFA-DSP1, from rice. OsPFA-DSP1 was determined to be a functional protein tyrosine phosphatase (PTP) in vitro using phosphatase activity assays. Quantitative real-time PCR and GENEVESTIGATOR analysis showed that OsPFA-DSP1 mRNA was induced by drought stress. Transfection of rice protoplasts showed that OsPFA-DSP1 accumulated in both the cytoplasm and nucleus. Ectopic overexpression of OsPFA-DSP1 in tobacco increased sensitivity to drought stress and insensitivity to ABA-induced stomatal closure and inhibition of stomatal opening. Furthermore, overexpression of OsPFA-DSP1 in rice also increased sensitivity to drought stress. These results indicated that OsPFA-DSP1 is a functional PTP and may act as a negative regulator in drought stress responses.
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