Abstract
A novel enamovirus was identified in common bean plants with disease symptoms. Its genome of 5,781 nucleotides (nt) contains five open reading frames. This virus and other members of the genus Enamovirus share 50.4-68.4% nucleotide sequence identity in the complete genome and 19.9-51.9% amino acid sequence identity in the P0 protein, 24.9-52.5% in P1, 33.4-62.9% in P1-P2, 30.6-81.1% in P3, and 32.3-74.2% in P3-P5. Phylogenetic analysis showed that the virus is most closely related to alfalfa enamovirus 1 and pea enation mosaic virus 1 in the genus Enamovirus of the family Solemoviridae. These results suggest that this virus, tentatively named "bean enamovirus 1", should be classified as a member of a new species in the genus Enamovirus.
Highlights
Common bean (Phaseolus vulgaris L.), called French bean, is a herbaceous annual crop in the family Fabaceae
Phylogenetic analysis showed that the virus is most closely related to Alfalfa enamovirus 1 and Pea enation mosaic virus 1 in the genus Enamovirus within family Solemoviridae
These results suggest that the virus should be considered as a novel species in the genus Enamovirus and tentatively named as “bean enamovirus 1”
Summary
Common bean (Phaseolus vulgaris L.), called French bean, is a herbaceous annual crop in the family Fabaceae. A novel enamovirus was identified from bean plants with disease symptoms. The virus and other species of the genus Enamovirus share identities of 50.4%-68.4% at the complete genome, and 19.9%-51.9% of P0, 24.9%-52.5% of P1, 33.4%-62.9% of P1-P2, 30.6%-81.1% of P3, 32.3%-74.2% of P3-P5 at amino acid sequence level, respectively.
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