<p>Dogs may have been domesticated much earlier than thought, finds an interesting study, adding that their special relationship to humans may go back 27,000 to 40,000 years.<br /><br /></p>.<p>This debunks earlier genome-based estimates that suggested that the ancestors of modern-day dogs diverged from wolves no more than 16,000 years ago after the last Ice Age.<br /><br />The genome from the wolf from Taimyr Peninsula in Siberia, which has been radiocarbon dated to 35,000 years ago, represents the most recent common ancestor of modern wolves and dogs.<br /><br />"Dogs may have been domesticated much earlier than is generally believed," said Love Dalen from the Swedish Museum of Natural History.<br /><br />The DNA evidence also shows that modern-day Siberian dogs share an unusually large number of genes with the ancient Taimyr wolf.<br /><br />The researchers made these discoveries based on a small piece of bone picked up during an expedition to the Taimyr Peninsula in Siberia.<br /><br />Initially, they did not realise the bone fragment came from a wolf at all; this was only determined using a genetic test back in the laboratory.<br /><br />But wolves are common on the Taimyr Peninsula, and the bone could have easily belonged to a modern-day wolf.<br /><br />On a hunch, the researchers decided to radiocarbon date the bone anyway.It was only then that they realised what they had - a 35,000-year-old bone from an ancient Taimyr wolf.<br /><br />"The power of DNA can provide direct evidence that a Siberian Husky you see walking down the street shares ancestry with a wolf that roamed Northern Siberia 35,000 years ago," added Pontus Skoglund of the Harvard Medical School and the Broad Institute.<br /><br />To put that in perspective, "this wolf lived just a few thousand years after Neandertals disappeared from Europe and modern humans started populating Europe and Asia. The paper has been reported in the Cell Press journal Current Biology.</p>
<p>Dogs may have been domesticated much earlier than thought, finds an interesting study, adding that their special relationship to humans may go back 27,000 to 40,000 years.<br /><br /></p>.<p>This debunks earlier genome-based estimates that suggested that the ancestors of modern-day dogs diverged from wolves no more than 16,000 years ago after the last Ice Age.<br /><br />The genome from the wolf from Taimyr Peninsula in Siberia, which has been radiocarbon dated to 35,000 years ago, represents the most recent common ancestor of modern wolves and dogs.<br /><br />"Dogs may have been domesticated much earlier than is generally believed," said Love Dalen from the Swedish Museum of Natural History.<br /><br />The DNA evidence also shows that modern-day Siberian dogs share an unusually large number of genes with the ancient Taimyr wolf.<br /><br />The researchers made these discoveries based on a small piece of bone picked up during an expedition to the Taimyr Peninsula in Siberia.<br /><br />Initially, they did not realise the bone fragment came from a wolf at all; this was only determined using a genetic test back in the laboratory.<br /><br />But wolves are common on the Taimyr Peninsula, and the bone could have easily belonged to a modern-day wolf.<br /><br />On a hunch, the researchers decided to radiocarbon date the bone anyway.It was only then that they realised what they had - a 35,000-year-old bone from an ancient Taimyr wolf.<br /><br />"The power of DNA can provide direct evidence that a Siberian Husky you see walking down the street shares ancestry with a wolf that roamed Northern Siberia 35,000 years ago," added Pontus Skoglund of the Harvard Medical School and the Broad Institute.<br /><br />To put that in perspective, "this wolf lived just a few thousand years after Neandertals disappeared from Europe and modern humans started populating Europe and Asia. The paper has been reported in the Cell Press journal Current Biology.</p>