Recent advances in plant membrane-bound transcription factor research: Emphasis on intracellular movement

查看全文 作　　者：Pil Joon [1,2,3]Seo

机构地区：[1]Department of Bioactive Material Sciences,Chonbuk National University;[2]Research Center of Bioactive Materials, Chonbuk National University;[3]Department of Chemistry and Research Institute of Physics and Chemistry,Chonbuk National University

出　　处：《Journal of Integrative Plant Biology》索引2014年第56卷第4期,共9页

基　　金：supported by Basic Science Research Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Education(NRF-2013R1A1A1004831);research funds of Chonbuk National University in 2012 摘　　要：Transcription factors constitute numerous signal transduction networks and play a central role in gene expression regulation.Recent studies have shown that a limited portion of transcription factors are anchored in the cellular membrane,storing as dormant forms.Upon exposure to environmental and developmental cues,these transcription factors are released from the membrane and translocated to the nucleus,where they regulate associated target genes.As this process skips both transcriptional and translational regulations,it guarantees prompt response to external and internal signals.Membrane-bound transcription factors(MTFs)undergo several uniquesteps that are not involved in the action of canonical nuclear transcription factors:proteolytic processing and intracellular movement.Recently,alternative splicing has also emerged as a mechanism to liberate MTFs from the cellular membranes,establishing an additional activation scheme independent of proteolytic processing.Multiple layers of MTF regulation add complexity to transcriptional regulatory scheme and ensure elaborate action of MTFs.In this review,we provide an overview of recent findings on MTFs in plants and highlight the molecular mechanisms underlying MTF liberation from cellular membranes with an emphasis on intracellular movement. 关键词：核转录因子细胞内运动膜结合植物信号转导网络调制传递函数点对基因表达调节

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Recent advances in plant membrane-bound transcription factor research: Emphasis on intracellular movement

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