Abstract
In 2016, Shi et al. (Nature 540:539–543. https://doi.org/10.1038/nature201672016) reported Hubei poty-like virus 1 (HuPLV1) to be a new member of the family Potyviridae. At that time, its polyprotein shared the highest sequence identity (80%) with sugarcane mosaic virus (SCMV). A year later, two isolates of SCMV from Canna sp. whose sequences were submitted to the GenBank database showed 91% identity to the HuPLV1 polyprotein sequence. Based on the species demarcation criteria for the family Potyviridae, HuPLV1 should possibly be considered an isolate of SCMV. To resolve this taxonomical inconsistency, we carried out a phylogenetic and recombination analysis and found that HuPLV1 is an interspecies recombinant of SCMV and bean yellow mosaic virus (BYMV).
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Acknowledgements
We thank Prof. Yong-Zhen Zhang and his team for information about the sources of the sequences.
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Handling Editor: Massimo Turina.
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705_2018_4047_MOESM1_ESM.docx
Supplementary file 1 includes a table of nucleotide sequence accession numbers of SCMV and BYMV. The recombinant sequence accession numbers are also indicated in the table. (DOCX 18 kb)
705_2018_4047_MOESM2_ESM.xlsx
Supplementary file 2 contains details about recombination events such as parental isolates, recombinants, breakpoint positions, detected events and the corresponding p values. Minor Parent = Parent contributing the smaller fraction of sequence. Major Parent = Parent contributing the larger fraction of sequence. Unknown = Only one parent and a recombinant need be in the alignment for a recombination event to be detectable. The sequence listed as unknown was used to infer the existence of a missing parental sequence. NS = No significant P-value was recorded for this recombination event. BYMV isolates are highlighted with yellow colour, SCMV isolates with green colour, the unknown sequences with red colour. (XLSX 37 kb)
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Sankaranarayanan, R., Palani, S.N. & Tennyson, J. Hubei poty-like virus 1 is likely an interspecies recombinant of sugarcane mosaic virus and putative bean yellow mosaic virus. Arch Virol 164, 261–265 (2019). https://doi.org/10.1007/s00705-018-4047-8
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DOI: https://doi.org/10.1007/s00705-018-4047-8