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Kinetic and photonic techniques to study chemotactic signaling in sea urchin sperm

MPG-Autoren

Hamzeh,  Hussein
Department of Molecular Sensory Systems, Center of Advanced European Studies and Research (caesar), Max Planck Society;

Alvarez,  Luis
Department of Molecular Sensory Systems, Center of Advanced European Studies and Research (caesar), Max Planck Society;

Seifert,  Reinhard
Department of Molecular Sensory Systems, Center of Advanced European Studies and Research (caesar), Max Planck Society;

Kaupp,  U. Benjamin
Department of Molecular Sensory Systems, Center of Advanced European Studies and Research (caesar), Max Planck Society;

Externe Ressourcen

https://www.sciencedirect.com/science/article/pii/S0091679X1830181X
(Zusammenfassung)

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Zitation

Hamzeh, H., Alvarez, L., Strünker, T., Kierzek, M., Brenker, C., Deal, P. E., et al. (2019). Kinetic and photonic techniques to study chemotactic signaling in sea urchin sperm. Methods in Cell Biology, 151, 487-517. doi:10.1016/bs.mcb.2018.12.001.


Zitierlink: https://hdl.handle.net/21.11116/0000-0003-51C2-6
Zusammenfassung
Sperm from sea urchins are attracted by chemical cues released by the egg—a mechanism called chemotaxis. We describe here the signaling pathway and molecular components endowing sperm with single-molecule sensitivity. Chemotactic signaling and behavioral responses occur on a timescale of a few milliseconds to seconds. We describe the techniques and chemical tools used to resolve the signaling events in time. The techniques include rapid-mixing devices, rapid stroboscopic microscopy, and photolysis of caged second messengers and chemoattractants.