Article
cis -Acting Sequences Required for Coronavirus Infectious Bronchitis Virus Defective-RNA Replication and Packaging
1 Jan 2001
Abstract excerpt
The parts of the RNA genome of infectious bronchitis virus (IBV) required for replication and packaging of the RNA were investigated using deletion mutagenesis of a defective RNA (D-RNA) CD-61 (6.1 kb) containing a chloramphenicol acetyltransferase reporter gene. A D-RNA with the first 544, but not as few as 338, nucleotides (nt) of the 5' terminus was replicated; the 5' untranslated region (UTR) comprises 528...
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