A new study published in The Proceedings of the National Academy of Sciences argues that charting the DNA of modern dog breeds doesn’t likely hold the answer.
The study, authored by 20 scientists, concluded that testing the DNA of today’s dogs does not “get us any closer to understanding where and when and how dogs were domesticated.”
According to Greger Larson at the University of Durham in England, the DNA of modern dogs is so mixed up that it is useless in figuring out when and where dogs originated. Only with the analysis of DNA from fossilized dogs, now underway, will the answers be found, he says.
Larson and colleagues took DNA from 1,375 dogs of 121 breeds, and 19 wolves in connection with the study.
While it’s still unclear what, if any, breeds can rightfully be called “ancient,” the study did find six breeds the were labeled basal — the basenji, shar-pei, Saluki, Akita, Finnish spitz and Eurasier, according to the New York Times. That means their DNA was less mixed.
Among the dog breeds most commonly mentioned as ancient, or at least closest to their ancient predecessors are basenji, shar-pei, shiba inu, chow chow, Afghan hound, saluki, Siberian husky and Alaskan malamute, lhasa apso and samoyed.
Reports the Times:
“Just as DNA from Neanderthals has helped illuminate the origins of modern humans, DNA from ancient dog fossils should help illuminate the story of early dog domestication in the next few years.
“We’re not a million miles away,” said Larson. “We’re close.”
Posted by jwoestendiek May 22nd, 2012 under Muttsblog.
Tags: ancient, animals, breeds, dna, dog, dogs, domestication, fossilized, fossils, genetic, greger larson, modern, national academy of sciences, origin, pets, study, testing, university of durham, wolf