Ca2+ spikes in the flagellum control chemotactic behavior of sperm
Martin Böhmer, Qui Van, Ingo Weyand, Volker Hagen, Michael Beyermann, Midori Matsumoto, Motonori Hoshi, Eilo Hildebrand, Ulrich Benjamin Kaupp
The EMBO Journal 24, 2741–2752 (2005)
doi: 10.1038/sj.emboj.7600744
The film shows the changes in [Ca2+]i and swimming trajectory of sea urchin sperm after the intracellular release of caged cGMP.
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![The film shows the changes in [Ca2+]i and swimming trajectory of sea urchin sperm after the intracellular release of caged cGMP](/emboj/focus/imaging/figures/7600744s2.jpg)