Now We Know

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High-tech DNA sequencing techniques allowed them to decode ancient DNA from the pathogen in samples stored as early as 1845.
These were compared with modern-day genetic types from Europe, Africa and the Americas, giving an insight into the evolution of the pathogen.
This strain was different from all the modern strains that we analysed – most likely it is new to science,” Prof Sophien Kamoun of The Sainsbury Laboratory told BBC News.
“We can’t be sure but most likely it’s gone extinct.”

 

Irish potato famine pathogen identified (BBC)

Thanks Beastly

 

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