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Updated: Jul 16, 2026

Isolation of Fidelity Variants of RNA Viruses and Characterization of Virus Mutation Frequency
Published on: June 16, 2011
Molecular basis of the attenuation exhibited by molecularly cloned highly passaged chicken anemia virus isolates
Daniel Todd1, Alistair N J Scott, Neris W Ball
1Department of Agriculture and Rural Development for Northern Ireland, Veterinary Sciences Division, the Queen's University of Belfast, Stormont, United Kingdom. Daniel.Todd@dardni.gov.uk
Abstract:
Chimeric virus experiments indicated that the pathogenicity and monoclonal antibody reactivity differences between two molecularly cloned, highly passaged chicken anemia virus isolates could be attributed to the VP1 amino acid change at residue 89. The introduction of this change into a pathogenic cloned low-passage isolate was not sufficient to cause attenuation.

