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CLONING WOOLY MAMMOTHS

November 4, 2008
More surprises in the field of cloning. The return of the Dodo Bird ?
clipped from www.reuters.com

Frozen mice cloned – are woolly mammoths next?

WASHINGTON (Reuters) – Japanese scientists have cloned mice whose bodies were frozen for as long 16 years and said on Monday it may be possible to use the technique to resurrect mammoths and other extinct species.

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Mouse cloning expert Teruhiko Wakayama and colleagues at the Center for Developmental Biology, at Japan’s RIKEN research institute in Yokohama, managed to clone the mice even though their cells had burst.

“Thus, nuclear transfer techniques could be used to ‘resurrect’ animals or maintain valuable genomic stocks from tissues frozen for prolonged periods without any cryopreservation,” they wrote in the Proceedings of the National Academy of Sciences.

Wakayama’s team used the classic nuclear transfer technique to make their mouse clones. This involves taking the nucleus out of an egg cell and replacing it with the nucleus of an ordinary cell from the animal to be cloned.

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