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News Release 11-148
Identical Virus, Host Populations Coexist for Centuries
Sediments buried beneath the Black Sea contain ancient virus and host DNA
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![the phytoplankton Emiliania huxleyi.](/news/mmg/media/images/virus_algal1_f.jpg)
The phytoplankton Emiliania huxleyi offers new clues about marine viruses and algae.
Credit: Natural History Museum of London
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![a coccolithovirus (pink dot) infecting the widespread ocean plankton Emiliania huxleyi.](/news/mmg/media/images/virus_algal2_f.jpg)
A coccolithovirus (pink dot) infects the widespread ocean plankton Emiliania huxleyi.
Credit: Wikimedia/Creative Commons
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![sediments beneath the Black Sea.](/news/mmg/media/images/virus_algal3_f.jpg)
Sediments beneath the Black Sea have preserved DNA signatures of a virus and its algal host.
Credit: Black Sea Education--Russia
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![a giant "gravity core" being removed from a core barrel.](/news/mmg/media/images/virus_algal4_f.jpg)
A giant "gravity core" is removed from a core barrel; it contains Black Sea sediments.
Credit: Cornelia Wuchter, WHOI
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![Photo of WHOI scientist Alan Gagnon preparing core samples.](/news/mmg/media/images/virus_algal5_f.jpg)
Aboard the research vessel Akademik, WHOI scientist Alan Gagnon prepares core samples.
Credit: Delcho Solakov, IO-BAS
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![July 22 cover of the journal Science](/news/mmg/media/images/science_072211_f2.jpg)
The researchers' findings are described in the July 22 issue of the journal Science.
Credit: Copyright AAAS 2011
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