Transcriptomic analysis on cucumber tendril reveals GLRs play important roles in thigmotropism and thigmomorphogenesis  

作　　者：Mengzhuo Zhang Bowen Wang Shenhao Wang Tongxu Xin Keyi Ye Sanwen Huang Xueyong Yang 

机构地区：[1]State Key Laboratory of Vegetable Biobreeding,Institute of Vegetables and Flowers,Chinese Academy of Agricultural Sciences,Beijing 100081,China [2]Shenzhen Branch,Guangdong Laboratory of Lingnan Modern Agriculture,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs,Agricultural Genomics Institute at Shenzhen,Chinese Academy of Agricultural Sciences,Shenzhen,Guangdong 518120,China [3]College of Horticulture,Northwest A&F University,Yangling,Shaanxi 712100,China

出　　处：《Horticultural Plant Journal》2024年第5期1177-1186,共10页园艺学报（英文版）

基　　金：National Key R&D Program of China(Grant No.2019YFA0906200);the Science and Technology Innovation Team of Shaanxi(Grant No.2021TD-32);the Science and Technology Innovation Program of the Chinese Academy of Agricultural Sciences(Grant Nos.CAAS-ASTIP and CAAS-ZDRW202009).

摘　　要：Thigmotropism and thigmomorphogenesis are two related and pervasive processes that play crucial roles in plant adaptation to the environment.However,there have been few investigations into the molecular regulatory mechanisms of these phenomena.Cucumber(Cucumis sativus L.)tendrils are ideal material for studying thigmotropism and thigmomorphogenesis because they display a combination of the two processes.Here,we generated the transcriptome profiles of cucumber tendrils at the young,stretch,and coiling stages.Genes related to receptor proteins,transmembrane transport,and ion transport were significantly enriched among those differentially expressed between stages.Pharmacological assays illustrated that three GLUTAMATE RECEPTOR(GLR)genes might play a vital function in perceiving or transducing touch stimulation signals.Comparing the transcriptomes of tendrils and roots after touch stimulation,we found that genes related to extracellular stimulus and xyloglucan metabolism might have conserved functions in the regulation of thigmomorphogenesis.The transcriptome atlas of thigmotropism and thigmomorphogenesis of cucumber tendrils constructed in this study will help further elucidate the molecular mechanisms behind these processes.

关 键 词：CUCUMBER Thigmotropism Thigmomorphogenesis TRANSCRIPTOME TENDRIL GLUTAMATE RECEPTOR 

分 类 号：S642.2[农业科学—蔬菜学]