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Genome-wide transcriptional adaptation to salt stress in Populus
Liu, Jin-Gui; Han, Xiao1; Yang, Tong; Cui, Wen-Hui; Wu, Ai-Min; Fu, Chun-Xiang; Wang, Bai-Chen; Liu, Li-Jun
Source PublicationBMC PLANT BIOLOGY
AbstractBackground: Adaptation to abiotic stresses is crucial for the survival of perennial plants in a natural environment. However, very little is known about the underlying mechanisms. Here, we adopted a liquid culture system to investigate plant adaptation to repeated salt stress in Populus trees. Results: We first evaluated phenotypic responses and found that plants exhibit better stress tolerance after pretreatment of salt stress. Time-course RNA sequencing (RNA-seq) was then performed to profile changes in gene expression over 12 h of salt treatments. Analysis of differentially expressed genes (DEGs) indicated that significant transcriptional reprogramming and adaptation to repeated salt treatment occurred. Clustering analysis identified two modules of co-expressed genes that were potentially critical for repeated salt stress adaptation, and one key module for salt stress response in general. Gene Ontology (GO) enrichment analysis identified pathways including hormone signaling, cell wall biosynthesis and modification, negative regulation of growth, and epigenetic regulation to be highly enriched in these gene modules. Conclusions: This study illustrates phenotypic and transcriptional adaptation of Populus trees to salt stress, revealing novel gene modules which are potentially critical for responding and adapting to salt stress.
KeywordAbiotic stress Adaptation Perennial plants Populus Gene module
Subject AreaPlant Sciences
Indexed BySCI
WOS Research AreaPlant Sciences
WOS IDWOS:000483241500001
Publication PlaceLONDON
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31700583] ; Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm of South China Agricultural University
Corresponding Author Emaillijunliu@sdau.edu.cn
OAGreen Published, gold
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Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Shandong Agr Univ, Coll Forestry, State Forestry & Grassland Adm, Key Lab Silviculture Downstream Areas Yellow Rive, Tai An 271018, Shandong, Peoples R China
2.Zhejiang A&F Univ, Coll Forestry & Biotechnol, State Key Lab Subtrop Silviculture, Hangzhou 311300, Zhejiang, Peoples R China
3.South China Agr Univ, Coll Forestry & Landscape Architecture, Guangdong Key Lab Innovat Dev & Utilizat Forest P, Guangzhou 510642, Guangdong, Peoples R China
4.Chinese Acad Sci, Qingdao Engn Res Ctr Biomass Resources & Environm, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuels, Qingdao 266101, Shandong, Peoples R China
5.Chinese Acad Sci, Photosynth Res Ctr, Inst Bot, Key Lab Photobiol, Beijing 100093, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jin-Gui,Han, Xiao,Yang, Tong,et al. Genome-wide transcriptional adaptation to salt stress in Populus[J]. BMC PLANT BIOLOGY,2019,19(1).
APA Liu, Jin-Gui.,Han, Xiao.,Yang, Tong.,Cui, Wen-Hui.,Wu, Ai-Min.,...&Liu, Li-Jun.(2019).Genome-wide transcriptional adaptation to salt stress in Populus.BMC PLANT BIOLOGY,19(1).
MLA Liu, Jin-Gui,et al."Genome-wide transcriptional adaptation to salt stress in Populus".BMC PLANT BIOLOGY 19.1(2019).
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