In situ cryo-electron tomography reveals filamentous actin within the microtubule lumen
In situ cryo-electron tomography reveals filamentous actin within the microtubule lumen
复制标题
原位冷冻电子断层扫描揭示微管腔内的丝状肌动蛋白
DOI:
10.1101/844043
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Paul D
中科院分区:
文献类型:
--
作者:
Paul D
Microtubules and filamentous (F-) actin engage in complex interactions to drive many cellular processes from subcellular organization to cell division and migration. This is thought to be largely controlled by proteins that interface between the two structurally distinct cytoskeletal components. Here, we use cryo-electron tomography to demonstrate that the microtubule lumen can be occupied by extended segments of F-actin in small molecule–induced, microtubule-based, cellular projections. We uncover an unexpected versatility in cytoskeletal form that may prompt a significant development of our current models of cellular architecture and offer a new experimental approach for the in situ study of microtubule structure and contents.
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影响因子:
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