Spray of zinc marks fertilization

Spray of zinc marks fertilization

Outpouring of the metal kicks off embryonic development

By Rachel Ehrenberg, 15:12 PM May 5, 2011

View the video

Sex is often associated with metaphorical fireworks, but there’s a real shower of sparks at the moment of conception. Scientists have witnessed mammalian eggs explosively releasing zinc atoms just after fertilization in a series of brief, intense outbursts that appear to jumpstart embryonic development.

The research, reported in an upcoming ACS Chemical Biology, reveals new details about how a single cell eventually becomes a full-blown organism and highlights that metals ...

Source URL: https://www.sciencenews.org/article/spray-zinc-marks-fertilization