ArticlePlant physiology2013
An S-domain receptor-like kinase, OsSIK2, confers abiotic stress tolerance and delays dark-induced leaf senescence in rice.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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59 citing papers in PubMed, 169 citations in OpenAlex.
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- The OsAGO2-OsNAC300-OsNAP module regulates leaf senescence in rice.Journal of integrative plant biology · 2024Article
- Identification and Characterization of miRNAs and lncRNAs Associated with Salinity Stress in Rice Panicles.International journal of molecular sciences · 2024Article
- Leaf Senescence Regulation Mechanism Based on Comparative Transcriptome Analysis in Foxtail Millet.International journal of molecular sciences · 2024Article
- The Receptor Kinases DRUS1 and DRUS2 Behave Distinctly in Osmotic Stress Tolerance by Modulating the Root System Architecture via Auxin Signaling.Plants (Basel, Switzerland) · 2024Article
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- PWL1, a G-type lectin receptor-like kinase, positively regulates leaf senescence and heat tolerance but negatively regulates resistance to Xanthomonas oryzae in rice.Plant biotechnology journal · 2023Article
- Identification of the early leaf senescence gene ELS3 in bread wheat (Triticum aestivum L.).Planta · 2023Article
- Emerging Roles of Receptor-like Protein Kinases in Plant Response to Abiotic Stresses.International journal of molecular sciences · 2023Review
- Genome-wide identification, classification, and characterization of lectin gene superfamily in sweet orange (Citrus sinensis L.).PloS one · 2023Article
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- Salt Tolerance of Rice Is Enhanced by theInternational journal of molecular sciences · 2022Article
- Identification and Functional Analysis of Key Autophosphorylation Residues of Arabidopsis Senescence Associated Receptor-like Kinase.International journal of molecular sciences · 2022Article
- Know when and how to die: gaining insights into the molecular regulation of leaf senescence.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Review
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Authors and funding
13 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Receptor-like kinases play important roles in plant development and defense responses; however, their functions in other processes remain unclear. Here, we report that OsSIK2, an S-domain receptor-like kinase from rice (Oryza sativa), is involved in abiotic stress and the senescence process. OsSIK2 is a plasma membrane-localized protein with kinase activity in the presence of Mn(2+). OsSIK2 is expressed mainly in rice leaf and sheath and can be induced by NaCl, drought, cold, dark, and abscisic acid treatment. Transgenic plants overexpressing OsSIK2 and mutant sik2 exhibit enhanced and reduced tolerance to salt and drought stress, respectively, compared with the controls. Interestingly, a truncated version of OsSIK2 without most of the extracellular region confers higher salt tolerance than the full-length OsSIK2, likely through the activation of different sets of downstream genes. Moreover, seedlings of OsSIK2-overexpressing transgenic plants exhibit early leaf development and a delayed dark-induced senescence phenotype, while mutant sik2 shows the opposite phenotype. The downstream PR-related genes specifically up-regulated by full-length OsSIK2 or the DREB-like genes solely enhanced by truncated OsSIK2 are all induced by salt, drought, and dark treatments. These results indicate that OsSIK2 may integrate stress signals into a developmental program for better adaptive growth under unfavorable conditions. Manipulation of OsSIK2 should facilitate the improvement of production in rice and other crops.
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