Abstract
The RNAs 2 of an Arabis mosaic virus (ArMV) and a grapevine fanleaf virus (GFLV) isolate, originating from South West of Germany near Neustadt an der Weinstrasse (NW), were sequenced. They are 3820 and 3775 nucleotides long respectively, and both contain one open reading frame encoding a polypeptide of 1110 amino acids. Their 5′ non-coding regions contain conserved and repeated sequences, which are able to form stem-loop structures. Nucleotide sequence comparisons between the full-length RNAs 2 revealed homology levels of 84 and 82% between the ArMV-NW and the ArMV-L and -U, respectively, 90% between GFLV-NW and GFLV-F13, and 72% between ArMV-NW and GFLV-NW. Amino acid sequence comparisons showed that the greatest difference was found between the 2A proteins of the different ArMV isolates, the 2A protein of the ArMV-NW showing more similarity to the 2A protein of GFLV-NW than to those of ArMV-L2 or -U2.
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