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Metallobiology

Zinc differently

An extracellular ejection of zinc, known as a zinc spark, is triggered by the fertilization of a mammalian egg; however, the origin of this zinc was not clear. Now, a combination of four complementary techniques has revealed the source and provided an unprecedented quantification of the distribution of zinc in a maturing mammalian oocyte.

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Figure 1: The release of zinc from vesicles in a fertilized mammalian oocyte.

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Correspondence to Amy E. Palmer.

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Carter, K., Palmer, A. Zinc differently. Nature Chem 7, 96–97 (2015). https://doi.org/10.1038/nchem.2165

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