alpha-Tubulin Acetylation Restricts Axon Overbranching by Dampening Microtubule Plus-End Dynamics in Neurons
2018-09
发表期刊CEREBRAL CORTEX (IF:2.9[JCR-2023],3.7[5-Year])
ISSN1047-3211
卷号28期号:9页码:3332-3346
发表状态已发表
DOI10.1093/cercor/bhx225
摘要Axon growth is tightly controlled to establish functional neural circuits during brain development. Despite the belief that cytoskeletal dynamics is critical for cell morphology, how microtubule acetylation regulates axon development in the mammalian central nervous system remains unclear. Here, we report that loss of a-tubulin acetylation by ablation of MEC-17 in mice predisposes neurons to axon overbranching and overgrowth. Introduction of MEC-17(F183A) lacking alpha-tubulin acetyltransferase activity into MEC-17-deficient neurons failed to rescue axon defects. Moreover, loss of alpha-tubulin acetylation led to increases in microtubule debundling, microtubule invasion into filopodia and growth cones, and microtubule plus-end dynamics along the axon. Taxol application dampened microtubule hyperdynamics and suppressed axon overbranching and overgrowth in MEC-17-deficient neurons. Thus, our study reveals that alpha-tubulin acetylation acts as a brake for axon overbranching and overgrowth by dampening microtubule dynamics, providing insight into the role of microtubule post-translational modifications in regulating neural development.
关键词axon branching MEC-17 microtubule dynamics alpha-tubulin acetylation
收录类别SCI ; SCIE
语种英语
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB19000000]
WOS研究方向Neurosciences & Neurology
WOS类目Neurosciences
WOS记录号WOS:000443545600021
出版者OXFORD UNIV PRESS INC
WOS关键词MOLECULAR-BASIS ; ACETYLTRANSFERASE ; MEC-17 ; MECHANISMS ; INSTABILITY ; DEFICIENCY ; ELONGATION ; RESISTANCE ; MIGRATION ; TRANSPORT
原始文献类型Article
引用统计
被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/27695
专题生命科学与技术学院
生命科学与技术学院_特聘教授组_鲍岚组
生命科学与技术学院_特聘教授组_张旭组
生命科学与技术学院_硕士生
生命科学与技术学院_博士生
通讯作者Bao, Lan
作者单位
1.Chinese Acad Sci, CAS Ctr Excellence Mol Cell Sci, Shanghai Inst Biol Sci,Univ Chinese Acad Sci, State Key Lab Cell Biol,Inst Biochem & Cell Biol, Shanghai 200031, Peoples R China
2.Chinese Acad Sci, Inst Neurosci, Shanghai 200031, Peoples R China
3.Chinese Acad Sci, State Key Lab Neurosci, CAS Ctr Excellence Brain Sci, Shanghai Inst Biol Sci, Shanghai 200031, Peoples R China
4.ShanghaiTech Univ, Sch Life Sci & Technol, Shanghai 201210, Peoples R China
通讯作者单位生命科学与技术学院
推荐引用方式
GB/T 7714
Wei, Dan,Gao, Nannan,Li, Lei,et al. alpha-Tubulin Acetylation Restricts Axon Overbranching by Dampening Microtubule Plus-End Dynamics in Neurons[J]. CEREBRAL CORTEX,2018,28(9):3332-3346.
APA Wei, Dan.,Gao, Nannan.,Li, Lei.,Zhu, Jing-Xiang.,Diao, Lei.,...&Bao, Lan.(2018).alpha-Tubulin Acetylation Restricts Axon Overbranching by Dampening Microtubule Plus-End Dynamics in Neurons.CEREBRAL CORTEX,28(9),3332-3346.
MLA Wei, Dan,et al."alpha-Tubulin Acetylation Restricts Axon Overbranching by Dampening Microtubule Plus-End Dynamics in Neurons".CEREBRAL CORTEX 28.9(2018):3332-3346.
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