A Single Nucleotide Substitution Converts Potato Spindle Tuber Viroid (PSTVd) from a Noninfectious to an Infectious RNA for Nicotiana tabacum
Michael Wassenegger, Reiner Spieker, Sabine Thalmeir, Frank‐Ulrich Gast, Leonhard Riedel, Heinz L. Sänger
Abstract
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