An isometric virus was identified in mulberry
leaves showing symptoms of mulberry mosaic leaf roll
(MMLR) disease. Its genome consists of two (?)ssRNAs.
RNA1 and RNA2 have 7183 and 3742 nucleotides,
excluding the 30-terminal poly(A) tail. Based on phylogenetic
analysis of the RNA1-encoded polyprotein and CP
amino acid sequences, the properties of the the 30-UTR of
RNA1 and RNA2, and 75 % identity in the CP amino
acid sequence, this virus is proposed to be a new member
of the genus Nepovirus, subgroup A. Since a causal relationship
between this virus and MMLR has not been
established, it is tentatively referred to as MMLR-associated
virus
An isometric virus was identified in mulberryleaves showing symptoms of mulberry mosaic leaf roll(MMLR) disease. Its genome consists of two (?)ssRNAs.RNA1 and RNA2 have 7183 and 3742 nucleotides,excluding the 30-terminal poly(A) tail. Based on phylogeneticanalysis of the RNA1-encoded polyprotein and CPamino acid sequences, the properties of the the 30-UTR ofRNA1 and RNA2, and 75 % identity in the CP aminoacid sequence, this virus is proposed to be a new memberof the genus Nepovirus, subgroup A. Since a causal relationshipbetween this virus and MMLR has not beenestablished, it is tentatively referred to as MMLR-associatedvirus
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