ArticlePloS one2012
Two homologous putative protein tyrosine phosphatases, OsPFA-DSP2 and AtPFA-DSP4, negatively regulate the pathogen response in transgenic plants.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 23 citations in OpenAlex.
- Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates.FEBS letters · 2026Review
- DSPicable V: TuMV exploits a dual-specificity phosphatase to suppress MAPK signaling and host resistance.The Plant cell · 2025Article
- The assembly and annotation of two teinturier grapevine varieties, Dakapo and Rubired.GigaByte (Hong Kong, China) · 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
- A structural exposé of noncanonical molecular reactivity within the protein tyrosine phosphatase WPD loop.Nature communications · 2022Article
- Inactivating transcription factor OsWRKY5 enhances drought tolerance through abscisic acid signaling pathways.Plant physiology · 2022Article
- AtPFA-DSP5 interacts with MPK3/MPK6 and negatively regulates plant salt responses.Plant signaling & behavior · 2021Article
- High-resolution mapping of genes involved in plant stage-specific partial resistance of barley to leaf rust.Molecular breeding : new strategies in plant improvement · 2017Article
- Role of Protein Tyrosine Phosphatases in Plants.Current genomics · 2015Article
- The role of autophagy in chloroplast degradation and chlorophagy in immune defenses during Pst DC3000 (AvrRps4) infection.PloS one · 2013Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Protein phosphatases, together with protein kinases, regulate protein phosphorylation and dephosphorylation, and play critical roles in plant growth and biotic stress responses. However, little is known about the biological functions of plant protein tyrosine dual-specificity phosphatase (PFA-DSP) in biotic stresses. Here, we found that OsPFA-DSP2 was mainly expressed in calli, seedlings, roots, and young panicles, and localized in cytoplasm and nucleus. Ectopic overexpression of OsPFA-DSP2 in rice increased sensitivity to Magnaporthe grisea (M. grisea Z1 strain), inhibited the accumulation of hydrogen peroxide (H(2)O(2)) and suppressed the expression of pathogenesis-related (PR) genes after fungal infection. Interestingly, transgenic Arabidopsis plants overexpressing AtPFA-DSP4, which is homologous to OsPFA-DSP2, also exhibited sensitivity to Pseudomonas syringae pv. tomato DC3000 (Pst DC3000), reduced accumulation of H(2)O(2) and decreased photosynthesic capacity after infection compared with Col-0. These results indicate that OsPFA-DSP2 and AtPFA-DSP4 act as negative regulators of the pathogen response in transgenic plants.
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