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RING E3 ligases: key regulatory elements are involved in abiotic stress responses in plants
Seok Keun Cho1,#, Moon Young Ryu1,#, Jong Hum Kim1, Seong Soo Hong1, Tae Rin Oh1, Woo Taek Kim1, SEONG WOOK YANG1,2,*
1Department of Systems Biology, College of Life Science and Biotechnology, Yonsei University,
2Section of Plant Biochemistry, Department of Plant and Environmental Sciences, Faculty of Sciences, University of Copenhagen
Abstract
Plants are constantly exposed to a variety of abiotic stresses, such as drought, heat, cold, flood, and salinity. To survive under such unfavorable conditions, plants have evolutionarily developed their own resistant-mechanisms. For several decades, many studies have clarified specific stress response pathways of plants through various molecular and genetic studies. In particular, it was recently discovered that ubiquitin proteasome system (UPS), a regulatory mechanism for protein turn over, is greatly involved in the stress responsive pathways. In the UPS, many E3 ligases play key roles in recognizing and tethering poly-ubiquitins on target proteins for subsequent degradation by the 26S proteasome. Here we discuss the roles of RING ligases that have been defined in related to abiotic stress responses in plants.
Abstract, Accepted Manuscript [Submitted on July 11, 2017, Accepted on July 13, 2017]
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