ArticlePlant cell reports2011
Cloning and characterization of a maize SnRK2 protein kinase gene confers enhanced salt tolerance in transgenic Arabidopsis.
Article in Plant cell reports, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 68 citations in OpenAlex.
- CpSnRK2.7 interacts with CpPP2Cs to enhance salt tolerance via modulating oxidative stress in Cucurbita pepo.Plant cell reports · 2025Article
- A SnRK2-HAK regulatory module confers natural variation of salt tolerance in maize.Nature communications · 2025Article
- Grape SnRK2.7 Positively Regulates Drought Tolerance in TransgenicInternational journal of molecular sciences · 2024Article
- Article
- Genome-Wide Identification and Expression Profile Analysis of the SnRK2 Gene Family in Nicotiana tabacum.Biochemical genetics · 2022Article
- Heterologous expression of a Fraxinus velutina SnRK2 gene in Arabidopsis increases salt tolerance by modifying root development and ion homeostasis.Plant cell reports · 2022Article
- Recent developments in multi-omics and breeding strategies for abiotic stress tolerance in maize (Frontiers in plant science · 2022Review
- Genome-Wide Identification and Characterization of theFrontiers in plant science · 2022Article
- Genome-wide identification of ZmSnRK2 genes and functional analysis of ZmSnRK2.10 in ABA signaling pathway in maize (Zea mays L).BMC plant biology · 2021Article
- Genome-wide survey of sucrose non-fermenting 1-related protein kinase 2 in Rosaceae and expression analysis of PbrSnRK2 in response to ABA stress.BMC genomics · 2020Article
- Heterologous expression of an3 Biotech · 2020Article
- Interaction network of core ABA signaling components in maize.Plant molecular biology · 2018Article
- Regulation of Seed Germination and Abiotic Stresses by Gibberellins and Abscisic Acid.Frontiers in plant science · 2018Review
- Sucrose non-ferment 1 related protein kinase 2 (SnRK2) genes could mediate the stress responses in potato (Solanum tuberosum L.).BMC genetics · 2017Article
- The Protein KinaseFrontiers in plant science · 2017Article
- A NAC Transcription Factor Represses Putrescine Biosynthesis and Affects Drought Tolerance.Plant physiology · 2016Article
- The sucrose non-fermenting 1-related kinase 2 gene SAPK9 improves drought tolerance and grain yield in rice by modulating cellular osmotic potential, stomatal closure and stress-responsive gene expression.BMC plant biology · 2016Article
- Contrasting transcriptional responses of PYR1/PYL/RCAR ABA receptors to ABA or dehydration stress between maize seedling leaves and roots.BMC plant biology · 2016Article
- Overexpression ofPlant molecular biology reporter · 2014Article
- Bioengineering for salinity tolerance in plants: state of the art.Molecular biotechnology · 2013Review
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Authors and funding
8 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
SnRK2 (sucrose non-fermenting 1-related protein kinases 2) represents a unique family of protein kinase in regulating signaling transduction in plants. Although the regulatory mechanisms of SnRK2 have been well demonstrated in Arabidopsis thaliana, their functions in maize are still unknown. In our study, we cloned an SnRK2 gene from maize, ZmSAPK8, which encoded a putative homolog of the rice SAPK8 protein. ZmSAPK8 had two copies in the maize genome and harbored eight introns in its coding region. We demonstrated that ZmSAPK8 expressed differentially in various organs of maize plants and was up-regulated by high-salinity and drought treatment. A green fluorescent protein (GFP)-tagged ZmSAPK8 showed subcellular localization in the cell membrane, cytoplasm and nucleus. In vitro kinase assays indicated that ZmSAPK8 preferred Mn(2+) to Mg(2+) as cofactor for phosphorylation, and Ser-182 and Thr-183 in activation loop was important for its activity. Heterologous overexpression of ZmSAPK8 in Arabidopsis could significantly strengthen tolerance to salt stress. Under salt treatment, ZmSAPK8-overexpressed transgenic plants exhibited higher germination rate and proline content, low electrolyte leakage and higher survival rate than wild type. Further analysis indicated that transgenic plants showed increased transcription of the stress-related genes, RD29A, RD29B, RAB18, ABI1, DREB2A and P5CS1, under high-salinity conditions. The results demonstrated that ZmSAPK8 was involved in diverse stress signal transduction. Moreover, no obvious adverse effects on growth and development in the ZmSAPK8-overexpressed transgenic plants implied that ZmSAPK8 was potentially useful in transgenic breeding to improve salt tolerance in crops.
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