Thymol Mitigates Cadmium Stress by Regulating Glutathione Levels and Reactive Oxygen Species Homeostasis in Tobacco Seedlings
文献类型: 外文期刊
第一作者: Ye, Xiefeng
作者: Ye, Xiefeng;Ling, Tianxiao;Xue, Yanfeng;Xu, Cunfa;Zhou, Wei;Hu, Liangbin;Chen, Jian;Shi, Zhiqi;Chen, Jian;Shi, Zhiqi
作者机构:
关键词: thymol;reactive oxygen species;cell death;glutathione;cadmium;tobacco
期刊名称:MOLECULES ( 影响因子:4.411; 五年影响因子:4.587 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Thymol is a famous plant-derived compound that has been widely used in pharmacy due to its antioxidant and antimicrobial properties. However, the modulation of intrinsic plant physiology by thymol remains unclear. It is a significant challenge to confer plant tolerance to Cd (cadmium) stress. In the present study physiological, histochemical, and biochemical methods were applied to investigate thymol-induced Cd tolerance in tobacco (Nicotiana tabacum) seedlings. Thymol was able to alleviate Cd-induced growth inhibition of tobacco seedlings in both dose-and time-dependent manners. Both histochemical detection and in-tube assays suggested that thymol treatment blocked Cd-induced over-generation of reactive oxygen species (ROS), lipid peroxidation, and loss of membrane integrity in both leaves and roots. Thymol decreased Cd-induced cell death that was indicated in vivo by propidium iodide (PI) and trypan blue, respectively. Thymol stimulated glutathione (GSH) biosynthesis by upregulating the expression of gamma-glutamylcysteine synthetase 1 (GSH1) in Cd-treated seedlings, which may contribute to the alleviation of Cd-induced oxidative injury. In situ fluorescent detection of intracellular Cd2+ revealed that thymol significantly decreased free Cd2+ in roots, which could be explained by the thymol-stimulated GSH biosynthesis and upregulation of the expression of phyochelatin synthase 1 (PCS1). Taken together, these results suggested that thymol has great potential to trigger plant resistant responses to combat heavy metal toxicity, which may help our understanding of the mechanism for thymol-modulated cell metabolic pathways in response to environmental stimuli.
分类号: O62
- 相关文献
作者其他论文 更多>>
-
Metabolomics and ionomics reveal the quality differences among peach, acacia and karaya gums
作者:Zhang, Kaiwei;Yu, Xiangyang;Zhang, Kaiwei;Chen, Meng;Zhang, Xue;Chen, Jian;Chen, Xiaolong;Li, Yong;Yu, Xiangyang;Zhang, Kaiwei;Chen, Meng;Zhang, Xue;Chen, Jian;Chen, Xiaolong;Li, Yong;Yu, Xiangyang;Liu, Xin
关键词:Gum; Metabolomics; Flavonoids; Total phenols content; Metabolites
-
Co-benefits of a customized nutrient management approach tailored to smallholder farming for cabbage (Brassica oleracea L.)
作者:Liu, Mengjiao;Yang, Binggeng;Wang, Xiya;Xu, Xinpeng;Ding, Wencheng;He, Ping;Zhou, Wei;Liu, Mengjiao;Yang, Binggeng;Wang, Xiya;Xu, Xinpeng;Ding, Wencheng;He, Ping;Zhou, Wei
关键词:Nutrient expert system; Cabbage; Yield response; Nutrient-recovery efficiency; Economic benefit
-
Chitooligosaccharide application enhanced the growth and phytoremediation efficiency of industrial hemp in Cd-contaminated soils
作者:Guo, Yuan;Zhao, Xinlin;Wang, Yuanchang;Wang, Chenyuan;Zhou, Wei;Huang, Rong;Guo, Yuan;Zhao, Xinlin;Wang, Yuanchang;Wang, Chenyuan;Zhou, Wei;Huang, Rong;Guo, Yuan;Zhao, Xinlin;Ouyang, Da;Gao, Shuaishuai;Tan, Xiaofei;Tan, Xiaofei;Tan, Xiaofei
关键词:Antioxidant; Bioconcentration; Biomass; Cannabis sativa; Heavy metal; Phytomanagement
-
Identification of Candidate Genes for Green Rind Color in Watermelon
作者:Zhou, Wei;Yi, Licong;Wang, Yunqiang;Wang, Hongsheng;Li, Qingke;Wu, Na;Dai, Zhaoyi;Zhou, Wei;Yi, Licong;Wang, Yunqiang;Wang, Hongsheng;Dai, Zhaoyi;Li, Qingke
关键词:watermelon (
Citrullus lanatus L.); fine mapping; rind color;ClAPRR2 -
Optimized fertilization for effective suppression of soil-borne disease: Differential effects on bulk and rhizosphere soils
作者:Qu, Xiaojing;Zhou, Wei;He, Ping;Zhang, Jun;Duan, Yu
关键词:Optimized fertilization; Soil-borne disease; Bulk and rhizosphere soil; Particulate organic matter; Microbial community
-
Effect of Multiyear Biodegradable Plastic Mulch on Soil Microbial Community, Assembly, and Functioning
作者:Liu, Xiaowei;Wen, Zongyu;Wen, Zongyu;Dong, Wentao;Ren, Huiqing;Liang, Gang;Gong, Wenwen;Zhou, Wei
关键词:biodegradable plastics; soil microorganisms; microbial diversity; ecological functions; nutrient cycling
-
Aggregate turnover in a dryland red soil after long-term application of chemical fertilizers or manure
作者:Qiu, Shaojun;Zhao, Shicheng;Xu, Xinpeng;Wang, Xiubin;He, Ping;Christie, Peter;Zhou, Wei;Yu, Xichu;Liu, Kailou;Menon, Manoj;Yang, Huiyi
关键词:carbon stocks; fertilizer practices; model simulation; red soil; soil aggregates