Research Report

The Expression Pattern of ArgAH1 and ArgAH2 Genes in Arabidopsis thaliana  

XiangLian Shen1 , Tetsuo Takano2 , Shenkui Liu3 , Yuanyuan Bu1
1 Key Laboratory of Saline-Alkali Vegetation Ecology Restoration in Oil Field (SAVER), Ministry of Education, Alkali Soil Natural Environmental Science Center (ASNESC), Northeast Forestry University, Harbin 150040, P.R. China
2 Asian Natural Environmental Science Center (ASNESC), The University of Tokyo, Tokyo 188-0002, Japan
3 State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an, Hangzhou 311300, China
Author    Correspondence author
Genomics and Applied Biology, 2018, Vol. 9, No. 3   doi: 10.5376/gab.2018.09.0003
Received: 18 Apr., 2018    Accepted: 23 May, 2018    Published: 11 May, 2018
© 2018 BioPublisher Publishing Platform
This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

 Shen X.L., Takano T., Liu S.K., and Bu Y.Y., 2018, The expression pattern of ArgAH1 and ArgAH2 genes in Arabidopsis thaliana, Genomics and Applied Biology, 9(3): 13-18 (doi: 10.5376/gab.2018.09.0003)

Abstract

Urea is the major nitrogen form supplied as fertilizer in agricultural production and also an important nitrogen metabolite in plants. Urea can be generated from Arginine breakdown by Arginase in germinating seeds under salt stress. To better understanding the biological functions of Arginase gene, here, we carried out the expression analysis of ArgAH1 and ArgAH2 genes in response to salt stress and different nitrogen source during early seed germination and seedling growth stage. Our results show that ArgAH1 and ArgAH2 were highly expressed in root and siliques of Arabidopsis under normal conditions, respectively. However, the expression levels of ArgAH1 and ArgAH2 was up-regulated by salt stress in both roots and cotyledons. In addition, the expression levels of ArgAH1 and ArgAH2 were also found to response to different nitrogen sources (e.g. NH4Cl, urea, arginine), different expression pattern are shown in both the roots and cotyledons under these treatment conditions. These results suggest that two arginase genes have different biological function in response to abiotic stresses in plants.

Keywords
Arginase; Arabidopsis thaliana; Expression; Abiotic stress
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