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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15174

Title: Transcriptional Regulation of A Rice Mitogen-Activated Protein Kinase Gene, OsMAPK4, in Response to Environmental Stresses
Authors: Fu, Shin-Feng;Chou, Wan-Chi;Huang, Dinq-Ding;Huang, Hao-Jen
Contributors: 生物學系
Keywords: Environmental stresses;Mitogen-activated protein kinase;Oryza sativa;Phosphorylation;Sugar starvation
Date: 2002
Issue Date: 2013-01-07T02:28:39Z
Publisher: Japanese Society of Plant Physiologists
Abstract: Mitogen-activated protein kinase (MAPK) cascades play important roles in signal transduction of extracellular stimuli in eukaryotes. However, stimulatory signals for plant MAPKs have not been well elucidated. Here, a cDNA clone, termed Oryza sativa MAPK4 (OsMAPK4), from rice encoding a protein that showed homology with the eukaryotic MAPKs was isolated. According to the phylogenetic analysis, OsMAPK4 belongs to subgroup IV MAPK in plants. OsMAPK4 transcripts were expressed strongly in mature leaves and weakly in young leaves and panicles. The gene was also differentially expressed in roots at different developmental stages. In addition, the mRNA level of OsMAPK4 was up-regulated under sugar starvation, high salinity and cold treatments. These results suggest that this OsMAPK4 functions not only in developmental programs but also in stress-signaling pathways.
Relation: Plant and Cell Physiology, 43(8): 958-963
Appears in Collections:[生物學系] 期刊論文

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