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To find egg cells, moss sperm cells require a receptor found in human neurons.

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Uploaded on Jul 24, 2017

A paper by Cell Biology and Molecular Genetics' José Feijó suggests that a family of signal receptors used by human neurons is also essential for reproduction in the moss Physcomitrella patens.

At left, a wild-type (normal) P. patens sperm cell (red circle) swims toward—and eventually enters—the archegonia, which contains the moss' eggs. On the right, a mutant sperm cell without the receptors (green circle) swims but does not approach the archegonia.

Video: Carlos Ortiz-Ramírez, Instituto Gulbenkian de Ciência.

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