Gene Expression Profiling Provides Insight into the Escape Behavior of Deepwater Rice During Submergence

被引：0
作者：
Soong-Taek Hwang
Yeon-Ki Kim
Seong-Han Sohn
Dongsu Choi
机构：
[1] Kunsan National University,Department of Biology
[2] Myongji University,Department of Biosciences and Bioinformatics
[3] Rural Development Administration,Genomics Division, Department of Agricultural Biotechnology, National Institute of Agricultural Sciences
[4] Rural Development Administration,Current address; National Agrobiodiversity Center, National Institute of Agricultural Sciences
来源：
Journal of Plant Biology | 2018年 / 61卷
关键词：
Deepwater rice; Microarray; Stem elongation; Submergence escape; Transcriptome;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Submergence harms plants by limiting gas exchange and decreasing incoming light. Upon prolonged flooding, deepwater rice (Oryza sativa) escapes complete submergence by rapid stem growth, but the mechanism of stem elongation in the early stages following submergence remains unclear. To elucidate changes in gene expression during early submergence-induced stem elongation, we performed transcriptome analysis using microarray system in deepwater rice. We compared gene expression between the control (0 h) and 1, 4 hour after submergence. We found 586 and 1,353 genes for Sub 1 h and 4 h treatments each that were up-regulated by at least two-fold, compared to the control (P < 0.05), submergence up-regulated gene expression related to at least 10 independent biological processes. Expression of deepwater rice genes related to energy production through fermentation increased with time after submergence, which likely ensures sufficient energy for rapid stem elongation. We provide the first report of initial and overall expression of deepwater rice genes related to the response specific to submergence escape.
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页码：374 / 382
页数：8
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