Fast fluorescence microscopy for imaging the dynamics of embryonic development

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Abstract
Live imaging has gained a pivotal role in developmental biology since it increasingly allows real‐time observation of cell behavior in intact organisms. Microscopes that can capture the dynamics of ever‐faster biological events, fluorescent markers optimal for in vivo imaging, and, finally, adapted reconstruction and analysis programs to complete data flow all contribute to this success. Focusing on temporal resolution, we discuss how fast imaging can be achieved with minimal prejudice to spatial resolution, photon count, or to reliably and automatically analyze images. In particular, we show how integrated approaches to imaging that combine bright fluorescent probes, fast microscopes, and custom post‐processing techniques can address the kinetics of biological systems at multiple scales. Finally, we discuss remaining challenges and opportunities for further advances in this field.