Non-thermal plasma enhances rice seed germination, seedling development, and root growth under low-temperature stress
文献类型： 外文期刊
作者： Bian, Jing-Yang 1 ; Guo, Xiao-Yu 2 ; Lee, Dong Hun 3 ; Sun, Xing-Rong 1 ; Liu, Lin-Shuai 1 ; Shao, Kai 1 ; Liu, Kai 1 ; Sun, Hu-Nan 2 ; Kwon, Taeho 4 ;
作者机构： 1.Heilongjiang Acad Agr Sci, Daqing Branch, Daqing 163319, Heilongjiang, Peoples R China
2.Heilongjiang Bayi Agr Univ, Coll Life Sci & Biotechnol, Stem Cell & Regenerat Biol Lab, Daqing 163319, Heilongjiang, Peoples R China
3.Chonnam Natl Univ, Res Ctr Ecomimet, Dept Biol Sci, Gwangju 61186, South Korea
4.Korea Res Inst Biosci & Biotechnol KRIBB, Primate Resources Ctr, Jeongeup Si 56216, Jeonbuk, South Korea
5.Korea Univ Sci & Technol UST, KRIBB Sch Biosci, Dept Funct Genom, Daejeon 34113, South Korea
关键词： Non-thermal plasma; Rice (Oryza sativa L.) root; Antioxidant enzyme; Growth-regulating factor
期刊名称：APPLIED BIOLOGICAL CHEMISTRY （ 影响因子：3.2； 五年影响因子：2.8 ）
ISSN： 2468-0834
年卷期： 2024 年 67 卷 1 期
页码：
收录情况： SCI
摘要： Recently, non-thermal plasma (NTP) technologies have found widespread application across diverse fields, including plant growth, medical science, and biological and environmental research. Rice (Oryza sativa L.) is exceptionally sensitive to temperature changes. Notably, low-temperature stress primarily affects the germination and reproductive stages of rice, often leading to reduced crop yield. This study aimed to identify optimal conditions for enhancing rice seed germination and seedling growth under low temperatures using NTP technology. Our research indicated that NTP treatment at 15.0 kV for 30 s optimally promotes rice seed germination and growth under low-temperature stress. Furthermore, NTP treatment increases the activity and expression of antioxidant enzymes, such as superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD), under low-temperature conditions. Moreover, it downregulates the expression of beta-ketoacyl-[acyl carrier protein] synthase I (KASI) and cis-epoxy carotenoid dioxygenase 3 (NCED3) and upregulates the expression of alternative oxidase (AOX1B), BREVIS RADIX-like homologous gene (BRXL2), WRKY transcription factor 29 (WRKY29), and EREBP transcription factor 2 (EREBP2) in roots after tandem 7 days low-temperature (16 celcius) and 7 days room-temperature (28 celcius) treatments. Transcriptomic analysis revealed the involvement of various key genes in phosphotransferase activity, phosphate-containing compound metabolic processes, and defense responses. These analyses provide comprehensive information on gene expression at the transcriptional level, offering new insights for a deeper understanding of candidate genes required for root growth in rice.
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