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  4. 中科院海岸带环境过程与生态修复重点实验室
Phytohormone signaling pathway for eliciting leaf phenolic synthesis in honeysuckle (Lonicera japonica Thunb.) under coastal saline environment

文献类型：期刊论文

作者Yan, Kun3; Bian, Lanxing2,3; He, Wenjun3; Han, Guangxuan3; Zhang, Zishan1; Sun, Zheng4; Liang, Likun2; Jia, Hongxin2; Wang, Guangmei3
刊名INDUSTRIAL CROPS AND PRODUCTS
出版日期2020-12-01
卷号157页码:8
ISSN号0926-6690
关键词Chinese medicinal crop Coastal saline land Field trial Gene transcription Phenolic synthesis Signal transduction
DOI10.1016/j.indcrop.2020.112929
通讯作者Yan, Kun(kyan@yic.ac.cn) ; Wang, Guangmei(gmwang@yic.ac.cn)
英文摘要To date, it remains unclear how saline stress induces leaf phenolic synthesis in honeysuckle (Lonicera japonica Thunb.), a traditional Chinese medicinal crop. This study was to investigate hormone signaling for salt-induced leaf phenolic synthesis in honeysuckle from molecular, physiological and ecological levels by pot experiments and field trials. As a major ingredient of soil salinity in coastal land, NaCl was used in salt treatment for simulating coastal saline environment. NaCl stress significantly increased leaf abscisic acid (ABA) and salicylic acid (SA) concentrations, potentiated leaf phenolic synthesis by elevating phenylalanine ammonialyase (PAL) activity and PALs transcription, and enhanced leaf phenolic accumulation. Under NaCl stress, tungstate and paclobutrazol pretreatments inhibited leaf ABA and SA accumulation, respectively, and lowered PAL activity, PALs transcription, and phenolic accumulation. Thus, ABA and SA participated in transducing salt-induced leaf phenolic synthesis. Paclobutrazol pretreatment hardly influenced leaf ABA concentration in salt-treated plants, but tungstate pretreatment abated salt-induced leaf SA accumulation, indicating that ABA was an upstream signal of SA. Under NaC1 stress, SA application restored leaf SA level with no effect on ABA level but incompletely restored PAL activity and phenolic accumulation in tungstate-pretreated plants, confirming the downstream role of SA and implying the existence of other downstream signals. Leaf ABA and SA concentrations were higher in plants in coastal saline plots than non-saline plots, and the roles of ABA and SA in mediating salt-induced leaf phenolic synthesis passed ecological test, according to a significant positive correlation of leaf ABA and SA levels with phenolic concentration. In conclusion, ABA acted as an upstream signal of SA to elicit leaf phenolic synthesis in honeysuckle under coastal saline environment.
WOS关键词INDUCED FLAVONOID BIOSYNTHESIS ; EXOGENOUS ABSCISIC-ACID ; SALICYLIC-ACID ; ANTIOXIDANT ACTIVITY ; WATER-DEFICIT ; STRESS ; SALT ; ACCUMULATION ; RESPONSES ; ABA
资助项目Shandong Provincial Natural Science Foundation, China[ZR2017QC005] ; National Natural Science Foundation of China[41201292] ; Yantai Science and Technology Innovation Development Plan[2020MSGY065] ; National Key Research & Development Program in China[2019YFD1002702] ; Key Deployment Project of Chinese Academy of Sciences[KFZD-SW-113]
WOS研究方向Agriculture
语种英语
WOS记录号WOS:000587922300034
资助机构Shandong Provincial Natural Science Foundation, China ; National Natural Science Foundation of China ; Yantai Science and Technology Innovation Development Plan ; National Key Research & Development Program in China ; Key Deployment Project of Chinese Academy of Sciences
源URL[http://ir.yic.ac.cn/handle/133337/28317]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
烟台海岸带研究所_近岸生态与环境实验室
通讯作者Yan, Kun; Wang, Guangmei
作者单位1.Shandong Agr Univ, Coll Life Sci, State Key Lab Crop Biol, Shandong Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China
2.Yantai Univ, Coll Life Sci, Yantai 264005, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Shandong Key Lab Coastal Environm Proc,YICCAS, Yantai 264003, Shandong, Peoples R China
4.Dongjiakou Port Customs, Qingdao, Peoples R China
推荐引用方式
GB/T 7714		 Yan, Kun,Bian, Lanxing,He, Wenjun,et al. Phytohormone signaling pathway for eliciting leaf phenolic synthesis in honeysuckle (Lonicera japonica Thunb.) under coastal saline environment[J]. INDUSTRIAL CROPS AND PRODUCTS,2020,157:8.
APA Yan, Kun.,Bian, Lanxing.,He, Wenjun.,Han, Guangxuan.,Zhang, Zishan.,...&Wang, Guangmei.(2020).Phytohormone signaling pathway for eliciting leaf phenolic synthesis in honeysuckle (Lonicera japonica Thunb.) under coastal saline environment.INDUSTRIAL CROPS AND PRODUCTS,157,8.
MLA Yan, Kun,et al."Phytohormone signaling pathway for eliciting leaf phenolic synthesis in honeysuckle (Lonicera japonica Thunb.) under coastal saline environment".INDUSTRIAL CROPS AND PRODUCTS 157(2020):8.

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来源：烟台海岸带研究所

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