Visualizing Actin and Microtubule Coupling Dynamics In Vitro by Total Internal Reflection Fluorescence (TIRF) Microscopy.
Visualizing Actin and Microtubule Coupling Dynamics In Vitro by Total Internal Reflection Fluorescence (TIRF) Microscopy.
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DOI:
10.3791/64074
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发表时间:
2022-07-20
期刊:
影响因子:
--
通讯作者:
Henty-Ridilla JL
中科院分区:
文献类型:
--
作者:
Henty-Ridilla JL
Traditionally, the actin and microtubule cytoskeletons have been studied as separate entities, restricted to specific cellular regions or processes, and regulated by different suites of binding proteins unique for each polymer. Many studies now demonstrate that the dynamics of both cytoskeletal polymers are intertwined and that this crosstalk is required for most cellular behaviors. A number of proteins involved in actin-microtubule interactions have already been identified (i.e., Tau, MACF, GAS, formins, and more) and are well characterized with regard to either actin or microtubules alone. However, relatively few studies showed assays of actin-microtubule coordination with dynamic versions of both polymers. This may occlude emergent linking mechanisms between actin and microtubules. Here, a total internal reflection fluorescence (TIRF) microscopy-based in vitro reconstitution technique permits the visualization of both actin and microtubule dynamics from the one biochemical reaction. This technique preserves the polymerization dynamics of either actin filament or microtubules individually or in the presence of the other polymer. Commercially available Tau protein is used to demonstrate how actin-microtubule behaviors change in the presence of a classic cytoskeletal crosslinking protein. This method can provide reliable functional and mechanistic insights into how individual regulatory proteins coordinate actin-microtubule dynamics at a resolution of single filaments or higher-order complexes.
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影响因子:
4.6
作者:
Elie A;Prezel E;Guérin C;Denarier E;Ramirez-Rios S;Serre L;Andrieux A;Fourest-Lieuvin A;Blanchoin L;Arnal I
通讯作者:
Arnal I
影响因子:
3.3
作者:
HYMAN, AA;SALSER, S;MITCHISON, TJ
通讯作者:
MITCHISON, TJ
DOI:
10.1126/science.aaf1709
发表时间:
2016-05-20
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Henty-Ridilla JL;Rankova A;Eskin JA;Kenny K;Goode BL
通讯作者:
Goode BL
影响因子:
7.8
作者:
Bartolini, Francesca;Moseley, James B.;Schmoranzer, Jan;Cassimeris, Lynne;Goode, Bruce L.;Gundersen, Gregg G.
通讯作者:
Gundersen, Gregg G.
影响因子:
--
作者:
Hirst WG;Kiefer C;Abdosamadi MK;Schäffer E;Reber S
通讯作者:
Reber S