Fusing a lasting relationship between ER tubules.

Fusing a lasting relationship between ER tubules.
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DOI:
10.1016/j.tcb.2011.03.009
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发表时间:
2011-07
影响因子:
19
通讯作者:
McNew JA
McNew JA
中科院分区:
生物学1区
文献类型:
--
作者:
Moss TJ;Daga A;McNew JA

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Atlastin is an integral membrane GTPase localized to the endoplasmic reticulum (ER). In vitro and in vivo analyses indicate that atlastin is a membrane fusogen capable of driving membrane fusion, suggesting a role in ER structure and maintenance. Interestingly, mutations in the human atlastin-1 gene, SPG3A, cause a form of autosomal dominant hereditary spastic paraplegia (HSP). The etiology of HSP is unclear but two predominant forms of the disorder are caused by mutant proteins that affect ER structure, formation, and maintenance in motor neurons. In this review, we describe what is known about the molecular mechanism of atlastin function and its potential role in HSP. Greater understanding of the function of atlastin and associated proteins should lend significant insight into normal ER biogenesis and maintenance, as well as the pathology of disease.
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