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Old 15-02-2019, 11:16 AM
gary
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DNA from Darwin's rabbit helps to explain evolutionary fightback against myxomatosis

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Originally Posted by February 14, 2019, University of Cambridge
Nearly seventy years after myxomatosis decimated the rabbit populations of Australia, Britain and France, a new study reveals how the species has evolved genetic resistance to the disease through natural selection.


An unprecedented study of rabbit DNA spanning 150 years and thousands of miles has revealed the genetic basis for the animal's fightback against the deadly myxoma virus. Using the latest technology, an international team led by the University of Cambridge and CIBIO Institute in Porto, extracted DNA from nearly 200 rabbits dating from 1865-2013, including one owned by Charles Darwin. The scientists then sequenced nearly 20,000 genes to pinpoint mutations that have emerged since the myxomatosis pandemics of the 1950s.

The study, published today in the journal Science, establishes that modern rabbits in Australia, the UK and France have acquired resistance to myxomatosis through the same genetic changes. The scientists also discovered that this resistance relies on the cumulative impact of multiple mutations of different genes.
Story here :-
https://phys.org/news/2019-02-darwin...xomatosis.html
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