A company working on technologies to bring back extinct species has attracted more investors.
FILE - A rare fragment of a Dodo femur bone is displayed for photographs next to an image of a member of the extinct bird species at Christie's auction house's premises in London, March 27, 2013. Colossal Biosciences has raised an additional $150 million from investors to develop genetic technologies that the company claims will help to bring back some extinct species, including the dodo and the woolly mammoth.
The last dodo, a flightless bird about the size of a turkey, was killed in 1681 on the Indian Ocean island of Mauritius. For example, Colossal is now testing tools to tweak several parts of the genome simultaneously. It's also working on technologies for what is sometimes called an “artificial womb,” he said.
The team may then attempt to edit Nicobar pigeon cells to make them resemble dodo cells. It may be possible to put the tweaked cells into developing eggs of other birds, such as pigeons or chickens, to create offspring that may in turn naturally produce dodo eggs, said Shapiro. The concept is still in an early theoretical stage for dodos.
“There's a real hazard in saying that if we destroy nature, we can just put it back together again — because we can't,” said Duke University ecologist Stuart Pimm, who has no connection to Colossal.
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