Volume 17, Issue 2 (7-2022)
MGj 2022, 17(2): 215-225 |
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Ebrahimi M, Grami M, yoUnesi melerdi E, farhadi A. Expression of some genes involved in ABA signaling pathway in halophyte Aeluropus littoralis under salinity stress. MGj 2022; 17 (2) :215-225
URL: http://mg.genetics.ir/article-1-1671-en.html
URL: http://mg.genetics.ir/article-1-1671-en.html
Abstract: (815 Views)
The objective of the present study is to investigate the response of halophyte Aeluropus littoralis to salinity stress. This experiment was conducted in three levels of treatments containing control (without salt), 200 and 400 mM NaCl with three replications for each. The changes were measured at 6 and 24 h after applying salt treatment. The results showed that the soluble sugar content increased with increasing time and NaCl concentration. Also, The proline content also increased significantly in the both concentrations of NaCl 24 h compared to the 6 h after salt stress. On the other hand, protein content at 6 h and 200 mM concentration was no significantly different, but there was a significant decrease in protein content at 400 Mm treatment at the same time. In contrast, the protein content was significantly decreased in both concentrations of NaCl 24 h after treatment. The results of relative gene expression analysis showed that PYL gene expression was strongly affected by salinity stress and showed a significant decreasing trend (p <0.05). So that, the rate of this reduction at 6 hours is much higher than at 24 hours after salt treatment. ABF gene expression generally showed an increasing trend, which increased significantly in both treatments after 24 h. Therefore, it can be stated that soluble sugars and proline as adaptive compounds in response to salinity stress in Aeluropus littoralis plant and abscisic acid signaling pathway are strongly affected by salinity stress.
Type of Study: Applicable |
Subject:
Subject 01
Received: 2020/10/10 | Accepted: 2022/04/13 | Published: 2022/07/9
Received: 2020/10/10 | Accepted: 2022/04/13 | Published: 2022/07/9
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