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NSU researcher part of team to sequence the genome of the leopard


Credit: Nikolay Zinoviev
Study Take-Aways:
Different African populations were genetically interrelated suggesting abundant gene flow across Africa such that all African population should be considered together as single subspecies.
There appeared a striking genomic distance between leopards living in Asia vs. leopards in Africa.
Asian leopards are more genetically separated from African leopards than brown bear species are from polar bear species, the researchers found.
The two leopard groups actually diverged around the same time as Neanderthals split apart from modern humans.
The genetic differences between African and Asian leopards have been maintained since 500,000 to 600,000 years ago. Asian leopards retain markedly less overall genetic variation than is seen in African leopards. ....

United States , Fort Myers , Puerto Rico , Fort Lauderdale , Sankt Peterburg , United Kingdom , Palm Beach , Stephenj Obrien , Johanna Paijmans , Axel Barlow , Halmos College Of Arts , National Academy Of Sciences , University Of Cambridge , Nottingham Trent University , Alvin Sherman Library , Guy Harvey Oceanographic Research Center , Art Museum Fort Lauderdale , University Of Potsdam , Information Technology Center , University Of Leicester , Petersburg State University , University School , Nova Southeastern University , Carnegie Community Engagement Classification , Halmos College , Carnegie Foundation For The Advancement Of Teaching ,

We sequenced the cave bear genome using a 360,000-year-old ear bone and had to rewrite their evolutionary history


Cave bears were giant plant eating bears that roamed Europe and northern Asia, and went extinct around 25 thousand years ago. They hibernated in caves during the winter. This was a dangerous time, as those which had failed to fatten up enough during the summer would not survive hibernation.
As a result, many caves across Europe and northern Asia are now filled with the bones of cave bears, each one containing potentially thousands of individuals. In our new study, we analysed a bone from a cave in the Caucasus Mountains.
Our team recovered the genome from a 360,000-year-old cave bear, revealing new details of the animals’ evolutionary history and almost rewriting their entire evolutionary tree. As well as what it can tell us about cave bear evolution, this discovery is a breakthrough for the field of ancient DNA. ....

Axel Barlow , Johanna Paijmans , Middle Pleistocene , Gennady Baryshnikov , அச்சு பார்லோ ,