|Table of Contents|

The Effect of Exogenous Silicon on Expression of Stress Related Transcription Factors in Soybean Under Adverse Stress(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2020年03期
Page:
352-360
Research Field:
Publishing date:

Info

Title:
The Effect of Exogenous Silicon on Expression of Stress Related Transcription Factors in Soybean Under Adverse Stress
Author(s):
LI Huan-li;  MA Yan-bin;  LUO Xiao-li;  WU Xia;  WANG Xin-sheng
(Institute of Cotton, Shanxi Academy of Agricultural Sciences, Yuncheng 044000, China)
Keywords:
Soybean;  Exogenous silicon;  Salt;  Drought;  NAC transcription factors;  WRKY transcription factors
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2020.03.0352
Abstract:
In order to explore the expression analysis of exogenous silicon on soybean transcription factors under adverse stress, this study analyzed the expression of GmNAC2, GmNAC3, GmNAC4, GmNAC5 from NAC transcription factors family and GmWRKY1, GmWRKY25, GmWRKY38, and GmWRKY54 from WRKY family in Jindou 37 soybean seedlings under salt, drought stress and exogenous silicon treatment. The results showed that soybean plant growth was inhibited under salt and drought stress. Compared with the control group, the fresh weight, dry weight, plant height, leaf number and relative water content under stress decreased to different degree, while the addition of exogenous silicon under stress increased significantly compared with the stress alone. The eight transcription factors were all expressed in soybean leaves, stems and roots. Under salt and drought stress, the expression of GmNAC2, GmNAC3, GmNAC4, GmNAC5 and GmWRKY1, GmWRKY25, GmWRKY38, GmWRKY54 was significantly lower than the amount of control, while the expression along with the exogenous silicon under stress was significantly higher than the single stress value, and with prolonged adversity stress, the expression of transcription factor quantity trends were basically identical. There was no significant difference between silicon alone treatment and the control treatment during the different time in the experiment. It is suggested that exogenous silicon can affect the expression of related transcription factors under salt and drought stress.

References:

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Last Update: 2020-07-14