Kinesin-5 in Drosophila embryo mitosis: sliding filament or spindle matrix mechanism?
Kinesin-5 in Drosophila embryo mitosis: sliding filament or spindle matrix mechanism?
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DOI:
10.1002/cm.20349
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发表时间:
2009-08
影响因子:
--
通讯作者:
Scholey, Jonathan M.
中科院分区:
文献类型:
--
作者:
Scholey, Jonathan M.
The Drosophila syncytial embryo uses multiple astral mitotic spindles that are specialized for rapid mitosis. The homotetrameric kinesin-5, KLP61F contributes to various aspects of mitosis in this system, all of which are consistent with it exerting outward forces on spindle poles. In principle, kinesin-5 could accomplish this by (i) sliding microtubules (MTs), minus end leading, relative to a static spindle matrix or (ii) crosslinking and sliding apart adjacent pairs of antiparallel interpolar (ip) MTs. Here, I critically review data on the biochemistry of purified KLP61F, its localization and dynamic properties within spindles, and quantitative modeling of KLP61F function. While a matrix-based mechanism may operate in some systems, the work tends to support the latter “sliding filament” mechanism for KLP61F action in Drosophila embryo spindles.
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DOI:
10.1083/jcb.150.2.f63
发表时间:
2000-07-24
期刊:
The Journal of cell biology
影响因子:
--
作者:
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通讯作者:
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影响因子:
64.8
作者:
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通讯作者:
Scholey, JM
影响因子:
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通讯作者:
Surrey, Thomas
影响因子:
7.8
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通讯作者:
GOLDSTEIN, LSB
影响因子:
7.8
作者:
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通讯作者:
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