The complete nucleotide sequence of isolate BYMV-GDD of Bean yellow mosaic virus, and comparison to other potyviruses

Summary. The complete nucleotide sequence of Bean yellow mosaic virus (BYMV) gladiolus isolate GDD was determined and compared to broad bean isolates BYMV-MB4 and BYMV-S. The BYMV-GDD genome (9528nt) was more similar to BYMV-MB4 (9532nt) than to BYMV-S (9547nt), which has atypical symptom expression and host range. The greatest variability occurred in the 5 untranslated region, P1 protein, and NIa-VPg protein, the N-terminal two thirds of HC-Pro, and the C-terminal one third of P3. Each of these regions has been correlated with symptom or host differences between isolates of other potyviruses, and may contribute to the atypical nature of BYMV-S.