Virgin birth? Scientists induce parthoneogenesis in mice to study congenital diseases

Credit: The Daily Beast/Yanchang Wei
Credit: The Daily Beast/Yanchang Wei

The bible is no longer the only place where you’ll read testimonies about a virgin birth.

In a new study published in the Proceedings of the National Academy of Sciences on [March 7], researchers at Shanghai Jiao Tong University report the results of a new experiment where they were able to make a female mouse give birth to a baby mouse that grew from an unfertilized egg—something that has never before been accomplished in mammals. 

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In the wild, this form of reproduction is a common sight among invertebrates like worms and honey bees; and sometimes among vertebrates like sharks, California condors, and anacondas. But parthoneogenesis isn’t natural for mammals, due to what’s called genomic imprinting. 

“I think there are people who will look at this and say, ‘Oh, is this going to replace reproduction? Get rid of men?’ No, it’s not,” [molecular biologist Marisa] Bartolomei, who also was not involved in the study, told The Daily Beast.

But what the new study may do is help scientists study a family of congenital diseases caused by genomic imprinting, like Prader-Willi syndrome (where children are born with a constant sense of hunger and developmental issues), or Beckwith-Wiedemann syndrome (a disorder that is characterized by a childhood risk for cancer).

This is an excerpt. Read the original post here. 

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