[A single reverse mutation in the 126/183-kda replicase gene of the attenuated tomato strain V-69 of tobacco mosaic virus increases the virus pathogenicity].

Abstract excerpt

To determine the roles of the mutations that were earlier found in the structure of the attenuated tomato strain V-69 of tobacco mosaic virus (TMV), the nucleotide sequences of genomic RNAs of its four pathogenic revertants have been identified and analyzed. The comparison of the structures of viral genomes has demonstrated that all revertants studied have a single reverse mutation at position 1654 relative to...

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