Extinct Tasmanian Tiger Gene Resurrected

May 20, 2008 -- Scientists said Tuesday they had "resurrected" a gene from the extinct Tasmanian tiger by implanting it in a mouse, raising the future possibility of bringing animals such as dinosaurs back to life.

In what they describe as a world first, researchers from Australian and U.S. universities extracted a gene from a preserved specimen of the dog-like marsupial -- formally known as a thylacine -- and revived it in a mouse embryo.

"This is the first time that DNA from an extinct species has been used to induce a functional response in another living organism," said research leader Andrew Pask of the University of Melbourne.

The announcement was hailed here as raising the possibility of recreating extinct animals.

Mike Archer, dean of science at the University of New South Wales, who led an attempt to clone the thylacine when he was director of the Australian Museum, called it "one very significant step in that direction."

"I'm personally convinced this is going to happen," he told the Australian Broadcasting Corporation. "I've got another group working on another extinct Australian animal and we think this is highly probable."

Pask said in a telephone interview that while recreating extinct animals might be possible one day, it could not be done with the technique his team used on the Tasmanian tiger.

"We can look at the function of one gene within that animal. Most animals have about 30,000 genes," he said.

"We hope that with advances in techniques that maybe one day that might be possible, but certainly as science stands at the moment, we are not able to do that, unfortunately," he said.

"We've now created a technique people can use to look at the function of DNA from any extinct species, so you could use it from mammoth or Neanderthal man or even dinosaurs if there's some intact DNA there."