germ cells
Researchers Cryopreserve Coral Sperm
Researchers Cryopreserve Coral Sperm
Catherine Offord | Feb 1, 2018
A project aims to preserve samples of the climate change–vulnerable animals for future restoration.
Sea Anemones Illuminate the Evolution of Embryo Development
Sea Anemones Illuminate the Evolution of Embryo Development
Abby Olena | Sep 11, 2017
A study of a simple marine animal suggests that the common ancestor of cnidarians and bilaterians may have had three germ layers instead of two.
From Stem Cell to Oocyte In a Dish
From Stem Cell to Oocyte In a Dish
Anna Azvolinsky | Oct 17, 2016
For the first time, scientists generate functional mouse eggs from stem cells in culture.
Sperm From Ovaries
Sperm From Ovaries
Anna Azvolinsky | Jun 11, 2015
With the deletion of a single gene, female Japanese rice fish can produce sperm. 
Erasing Mitochondrial Mutations
Erasing Mitochondrial Mutations
Jenny Rood | Apr 23, 2015
Researchers develop a method to selectively remove mutated mitochondrial DNA from the murine germline and single-celled mouse embryos.
Mouse Eggs Made with Stem Cells
Mouse Eggs Made with Stem Cells
Dan Cossins | Oct 4, 2012
Researchers claim to have successfully transformed stem cells into viable mouse oocytes that produced healthy, fertile pups.
Lab-Grown Sperm
Cristina Luiggi | Aug 4, 2011
Healthy mice are born from germ cell precursors grown in vitro.