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Bare-naked Viroids
The Scientist 2004, 18(16):19
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Theodor Diener's 1971 discovery of viroids was hard sell. The now-retired Diener, who was working as a plant pathologist with the Agricultural Research Service in Maryland, was trying to isolate the infectious agent responsible for potato spindle tuber disease. He presumed it was a virus. Instead, he detected a novel pathogen, which, unlike viruses, was not protected by a protein coat and appeared to comprise a single RNA molecule.[1]
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