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Imaging cell signalling and movement in development

机译:成像细胞信号传导和发育中的运动

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摘要

Imaging is a method of choice to investigate the complex spatio-temporal cellular dynamics and the signalling pathways that control them during development. The ability to tag many proteins in vivo makes it possible to analyse the detailed dynamics of these interactions ranging over several orders of magnitude; from the study of single molecule events on the millisecond and nanometre scale up to the complex three-dimensional behaviour of cells in tissues on the millimetre scale over time periods of hours to days. Great advances are being made in the detailed study of molecular processes using high resolution imaging techniques in transparent samples close to the surface of cells or tissues, where light scattering is minimal. The major challenge is to translate some of these methods to the study of cells and tissues in their native 3D environment. These imaging methods require novel and innovative analysis methods to fully exploit the information available in these data. We will illustrate some of these points in the investigation of the development of the cellular slime mould Dictyostelium discoideum and the study of cell behaviours during gastrulation in the chick embryo.
机译:成像是研究复杂的时空细胞动力学及其在发育过程中控制它们的信号传导途径的一种选择方法。在体内标记许多蛋白质的能力使得可以分析这些相互作用的详细动力学过程,变化范围达几个数量级。从研究毫秒级和纳米级的单分子事件到数小时至数天的时间段内,毫米级的组织中细胞的复杂三维行为。使用高分辨率成像技术在靠近细胞或组织表面且光散射最小的透明样品中进行分子过程的详细研究方面,正在取得重大进展。主要挑战是将这些方法中的某些方法转化为研究其天然3D环境中的细胞和组织。这些成像方法需要新颖和创新的分析方法,以充分利用这些数据中可用的信息。我们将在研究细胞粘液霉菌盘基网柄菌的发展以及在鸡胚的胃形成过程中的细胞行为研究中阐明其中一些观点。

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