Abstract
In this study, we determined the complete sequence of the genomic RNA of a Florida isolate of maracuja mosaic virus (MarMV-FL) and compared it to that of a Peru isolate of the virus (MarMV-P) and those of other known tobamoviruses. Complete sequence analysis revealed that the isolate should be considered a member of a new species and named passion fruit mosaic virus (PafMV). The genomic RNA of PafMV consists of 6,791 nucleotides and encodes four open reading frames (ORFs) coding for proteins of 125 kDa (1,101 aa), 184 kDa (1,612 aa), 34 kDa (311 aa) and 18 kDa (164 aa) in consecutive order from the 5’ to the 3’ end. The sequence homologies of the four ORFs of PafMV were from 78.8% to 81.6% to those of MarMV-P at the amino acid level. The sequence homologies of the four ORFs of PafMV ranged from 36.0% to 77.9% and from 21.7% to 81.6% to those of other tobamoviruses, at the nucleotide and amino acid level, respectively. Phylogenetic analysis revealed that these PafMV-encoded proteins are closely related to those of MarMV-P. In conclusion, the results indicate that PafMV and MarMV-P belong to different species within the genus Tobamovirus.
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Acknowledgments
This study was supported by a special grant from Seoul Women’s University in 2011. The authors thank Dr. F.W. Zetter and Dr. C. Baker (Division of Plant Industry, Florida, USA) for MarMV-FL.
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Song, Y.S., Ryu, K.H. The complete genome sequence and genome structure of passion fruit mosaic virus. Arch Virol 156, 1093–1095 (2011). https://doi.org/10.1007/s00705-011-0961-8
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DOI: https://doi.org/10.1007/s00705-011-0961-8