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New step to cloning of extinct predator

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A bid to clone the extinct Tasmanian tiger has moved a step closer with the successful extraction of DNA from a tooth and a small piece of bone belonging to two preserved animals.

The latest success is part of an ongoing project by scientists at the Australian Museum in Sydney to bring the Tasmanian tiger, which has been extinct since 1936, back to life.

The Tasmanian tiger, or thylacine, was the world's largest carnivorous marsupial, a wolf-like creature with a large head and a slim, striped body.

Last year the museum extracted DNA from a Tasmanian tiger pup which had been preserved in ethanol for 134 years.

But scientists say the DNA recently extracted from a tooth and part of a femur is of much higher quality.

The tooth and shard of leg bone were crushed in an ordinary coffee grinder and treated with enzymes and other chemicals to remove everything except the animal's genetic material.

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