Abstract
We determined the complete genome sequence of a new virus infecting Ecballium elaterium ('cohombrillo amargo') plants, a weed species common on the borders of cultivated fields in the Mediterranean region. The genome of this virus is composed of two molecules of monocistronic positive-sense RNA, 6,934 and 3,501 nucleotides in length, excluding their poly(A) tails. The highest amino acid sequence similarity (50% identity) in the Pro-Pol core region encoded by RNA 1 was observed in the corresponding protein of strawberry latent ringspot virus. Based on pairwise comparisons and phylogenetic analysis, this virus, tentatively named "cohombrillo-associated virus" (CoAV), appears to be a member of a new species in the genus Stralarivirus (family Secoviridae), for which the name "Stralarivirus elaterii" is proposed. This new virus has different putative cleavage patterns from members of other species belonging to this genus.
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