Mutation of the GKS motif of the RNA-dependent RNA polymerase from potato virus X disables or eliminates virus replication

acide glutamique alanina alanine amino acids asparagina asparagine enfermedades de las plantas enzimas enzyme enzymes genetic stability glicina glutamic acid glycine (amino acid) lisina lysine maladie des plantes mutation nucleotide sequence pathogens pcr plant diseases plant viruses polymerase chain reaction potato x potexvirus potexvirus x de la patata potexvirus x pomme de terre protoplaste protoplastos protoplasts replication tabac tabaco tobacco transferasas transferase transferases virus de las plantas