KYOTO, Japan, Jan. 13 (UPI) -- The extinct woolly mammoth could be brought back to life in as little as four years thanks to a breakthrough in cloning technology, a Japanese researcher says.
Akira Iritani, a professor at Kyoto University, says he wants to resurrect the species that died out 5,000 years ago by recovering nuclei from cells in the skin and muscle tissue of mammoths found in Siberian permafrost and inserting the nuclei into the egg cells of an African elephant, which will act as the surrogate mother for the mammoth, Britain's Daily Telegraph reported Thursday.
Previous efforts in the 1990s to recover nuclei from Siberian mammoths failed because they had been too badly damaged by the extreme cold.
However, a technique pioneered at the Riken Center for Developmental Biology in Kobe, Japan, was successful in cloning a mouse from the cells of another mouse that had been frozen for 16 years.
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