This is the best summary I could come up with:
A company called Colossal plans to pioneer the de-extinction business, taking species that have died within the past few thousand years and restoring them through the use of DNA editing and stem cells.
It's grabbed headlines recently by announcing some compelling targets: the thylacine, an extinct marsupial predator, and an icon of human carelessness, the dodo.
But there are some major practical hurdles as well, most of them the product of the distinct and extremely slow reproductive biology of the mammoth's closest living relatives, the elephants.
It will be difficult to ensure that we've identified all of the key genetic changes that make for a distinct species; editing in only a portion of them might produce unviable organisms.
But Colossal is forging ahead and cleared one of the many hurdles it faces: It created the first induced stem cells from elephants and will be placing a draft manuscript describing the process on a public repository on Wednesday.
That has proven effective in a variety of species but has a couple of drawbacks due to the fact that the four genes can potentially stick around, interfering with later development steps.
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