In the USA, Przewalski's horse was cloned



In the USA, Przewalski's horse was cloned

In the USA, Przewalski's horse, which died about 40 years ago, was cloned. For the whole time, its gene was kept in the freezer. This was reported on Sunday, September 6, on the website of Revive & Restore, a company specializing in the preservation and restoration of genetic data of endangered animals.





A colt named Kurt, named after pathologist and geneticist Kurt Benirschke was born in early August in San Diego Zoo in California. Revive & Restore, together with ViaGen, was able to recover a gene that had been frozen in the 1980s.

“These were the cells of a stallion, born in 1975 in the UK, which was brought to the United States in 1978. He lived until 1998,” the organization's press office said.

American scientist, biologist Ben Novak wrote on his Twitter that this is the first cloning of Przewalski's horse in 17 years and that it is a “scientific breakthrough”.

Currently, there are about two thousand horses in the world, born from 12 Przewalski's horse and saved in the 1990s from absolute extinction. Stallion Kurt became the hope that in the future, scientists will be able to restore the population of red-listed animals.

In 2018, it was reported that scientists from China were going to clone a kitten using the same technology that was used in the reconstruction of the Dolly sheep. This method was developed in 1996. The unfertilized egg removed the nucleus, after which it transplanted the nucleus from a somatic cell, such as a fibroblast (connective tissue cells) embryo. It took scientists about 300 attempts before they could recreate a healthy embryo of Dolly's sheep.





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