Viscoelastic voyages - Biophysical perspectives on cell intercalation during Drosophila gastrulation.

Viscoelastic voyages - Biophysical perspectives on cell intercalation during Drosophila gastrulation.
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DOI:
10.1016/j.semcdb.2019.11.005
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发表时间:
2020-04
影响因子:
7.3
通讯作者:
Blankenship JT
Blankenship JT
中科院分区:
生物学2区
文献类型:
--
作者:
Loerke D;Blankenship JT

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发育过程是由细胞质、皮质和表面相关力的组合驱动的。然而,区分这些力的贡献以及粘弹性细胞如何响应长期以来一直是发育生物学的关键问题。应用生物物理学方法解决这些问题的最新进展导致人们对形态发生有了全新的理解。在这篇综述中,我们讨论了实验结果的计算分析和果蝇原肠胚形成过程的计算机模拟如何导致对早期胚胎中起作用的物理原理的更深入理解。我们还总结了许多允许进行生物物理分析的新兴方法以及那些提供力方向和大小的直接和间接测量的方法。最后,我们研究了用于模拟组织和细胞行为的多个框架。
Developmental processes are driven by a combination of cytoplasmic, cortical, and surface-associated forces. However, teasing apart the contributions of these forces and how a viscoelastic cell responds has long been a key question in developmental biology. Recent advances in applying biophysical approaches to these questions is leading to a fundamentally new understanding of morphogenesis. In this review, we discuss how computational analysis of experimental findings and in silico modeling of Drosophila gastrulation processes has led to a deeper comprehension of the physical principles at work in the early embryo. We also summarize many of the emerging methodologies that permit biophysical analysis as well as those that provide direct and indirect measurements of force directions and magnitudes. Finally, we examine the multiple frameworks that have been used to model tissue and cellular behaviors.
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