Os02g0640500
The rice Os02g0640500 was reported as OsSIT1 in 2014 [1] by researchers from China.
Contents
Annotated Information
Function
- The rice (Oryza sativa) Salt Intolerance 1 ('SIT1('), a lectin receptor-like kinase expressed mainly in root epidermal cells, mediates salt sensitivity.
- NaCl rapidly activates SIT1, and in the presence of salt, as SIT1 kinase activity increased, plant survival decreased.
- Rice MPK3 and MPK6 function as the downstream effectors of SIT1.
- SIT1 phosphorylates MPK3 and 6, and their activation by salt requires SIT1. SIT1 mediates ethylene production and salt-induced ethylene signaling. SIT1 promotes accumulation of reactive oxygen species (ROS), leading to growth inhibition and plant death under salt stress, which occurred in an MPK3/6- and ethylene signaling-dependent manner in Arabidopsis thaliana.
Expression
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Evolution
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Labs working on this gene
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References
- ↑ Li CH, Wang G, Zhao JL, Zhang LQ, Ai LF, Han YF, Sun DY, Zhang SW, Sun Y. The Receptor-Like Kinase SIT1 Mediates Salt Sensitivity by Activating MAPK3/6 and Regulating Ethylene Homeostasis in Rice. Plant Cell. 2014 Jun 6;26(6):2538-2553. [Epub ahead of print] PubMed PMID: 24907341; PubMed Central PMCID: PMC4114950.
