文献类型：期刊文献

中文题名：Transcriptome-wide effect of Salix SmSPR1 in etiolated seedling of Arabidopsis

作者：Xiaoxia Liu[1,3] Jianguo Zhang[1,2,3] Li Xue[1,3] Guodong Rao[1,3]

第一作者：Xiaoxia Liu

机构：[1]State Key Laboratory of Tree Genetics and Breeding,Research Institute of Forestry,Chinese Academy of Forestry,Beijing 100091,People’s Republic of China;[2]Collaborative Innovation Center of Sustainable Forestry in Southern China,Nanjing Forestry University,Nanjing 210037,People’s Republic of China;[3]Key Laboratory of Tree Breeding and Cultivation,State Forestry Administration,Research Institute of Forestry,Chinese Academy of Forestry,Beijing 100091,People’s Republic of China

年份：2021

卷号：32

期号：3

起止页码：975-985

中文期刊名：林业研究：英文版

收录：CSTPCD;;Scopus;CSCD:【CSCD2021_2022】；

基金：supported by The Fundamental Research Funds for the Central Non-profit Research Institution of Chinese Academy of Forestry(CAFYBB2018QB001)。

语种：英文

中文关键词：Arabidopsis thaliana;Cell anisotropism;SmSPR1;Transcription factor;Transcriptome analysis

分类号：Q943.2

摘要：Microtubules and their regulatory proteins are involved in the regulation of plant cell morphology.SPIRAL1(SPR1),a plant-specific microtubule-binding protein,is critical in regulating the anisotropic growth of plant cells.Our previous study showed that overexpressed S alix SmS PR1 genes in Arabidopsis thaliana caused right-handed spiral elongation in etiolated seedlings,but there were no morphological differences between wild-type and transgenic seedlings under varied light conditions.We then studied the transcriptional regulation patterns in transgenic plants engineered with the S mSPR1 gene.Transcriptomic results showed that a large number of differentially expressed genes were involved in plant light signal reception,chlorophyll synthesis and photosystem structure.Eleven gene families with 42 photosynthesis-related genes and 6 light-responsive genes were involved in regulation of cell morphology.Our results showed that these genes in the SmSPR1-ox line were particularly down-regulated under dark conditions.In addition,33 TFs showed differences between S mSPR1-ox and wild-type lines.Taken together,the transcriptome analysis provides new insight into investigating the molecular mechanisms of light-induced cell morphological changes mediated by the microtubule binding protein SPR1.