Anisotropic Diffusion of Macromolecules in the Contiguous Nucleocytoplasmic Fluid during Eukaryotic Cell Division
Anisotropic Diffusion of Macromolecules in the Contiguous Nucleocytoplasmic Fluid during Eukaryotic Cell Division
复制标题
真核细胞分裂过程中连续核浆液中大分子的各向异性扩散
DOI:
10.1016/j.cub.2014.06.072
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发表时间:
2014
期刊:
影响因子:
9.2
通讯作者:
M. Weiss
中科院分区:
文献类型:
--
作者:
N. Pawar;C. Donth ;M. Weiss
Character and rapidity of protein diffusion in intracellular fluids are key determinants of the dynamics and steady state of a plethora of biochemical reactions [1, 2]. So far, an anomalous diffusion in cytoplasmic fluids with viscoelastic and even glassy characteristics has been reported in a variety of organisms on several length scales and timescales [3–6]. Here, we show that the contiguous fluid of former cytoplasm and nucleoplasm features an anisotropically varying diffusion of macromolecules during eukaryotic cell division. In metaphase, diffusion in the contiguous nucleocytoplasmic fluid appears less anomalous along the spindle axis as compared to perpendicular directions. As a consequence, the long-time diffusion of macromolecules preferentially points along the spindle axis, leading to prolonged residence of macromolecules in the spindle region. Based on our experimental data, we suggest that anisotropic diffusion facilitates the encounter and interaction of spindle-associated proteins, e.g., during the formation of a dynamic spindle matrix [7].
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影响因子:
7.8
作者:
Lenart, Peter;Rabut, Gwenael;Daigle, Nathalie;Hand, Arthur R;Terasaki, Mark;Ellenberg, Jan
通讯作者:
Ellenberg, Jan
影响因子:
7.5
作者:
Nina Schweizer;M. Weiss;H. Maiato
通讯作者:
H. Maiato
影响因子:
3.4
作者:
Yamada, S;Wirtz, D;Kuo, SC
通讯作者:
Kuo, SC
影响因子:
2.7
作者:
Malchus, Nina;Weiss, Matthias
通讯作者:
Weiss, Matthias
影响因子:
7.3
作者:
Gatlin JC;Bloom K
通讯作者:
Bloom K