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Molecular characterization of Sunflower chlorotic mottle virus: a member of a distinct species in the genus Potyvirus

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Abstract

The complete nucleotide (nt) and deduced amino acid (aa) sequences of the C (common) and CRS (chlorotic ringspot) Argentine strains of SuCMoV have been determined. The SuCMoV-C RNA genome consists of 9,965 nt, whereas indels within the P1 coding region of SuCMoV-CRS make its genomic length 15 nt shorter. Nucleotide and aa sequence identities between the polyproteins of the C and CRS strains of SuCMoV were 92.3 and 95.6%, respectively. Pairwise comparisons between the polyproteins of the C and CRS strains of SuCMoV and the viruses of the Potato virus Y (PVY) subgroup revealed identities of 66.5–66.9% at the nt level and 69.7–69.8% at the aa level. These results and phylogenetic analyses show that although SuCMoV strains cluster together with the potyviruses belonging to the PVY subgroup, SuCMoV should be considered a member of a distinct species in the genus Potyvirus.

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Acknowledgments

We thank FONCyT (PICT2004-25982) for financial support. We are grateful to Dr. E. Taleisnik for editing the manuscript and to Dr. R. French and Dr. F. Morales for critical reading of the manuscript. N. Bejerman is a doctoral student in the Doctorado en Ciencias Biológicas program of the Universidad Nacional de Córdoba, Córdoba, Argentina.

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Authors and Affiliations

  1. Instituto de Fitopatología y Fisiología Vegetal (IFFIVE-INTA), Cno 60 cuadras Km. 5.5, X5020ICA, Córdoba, Argentina

    N. Bejerman, F. Giolitti, S. de Breuil & S. Lenardon

  2. Facultad de Agronomía y Veterinaria, Universidad Nacional de Río Cuarto, 5800, Río Cuarto, Córdoba, Argentina

    S. Lenardon

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  1. N. Bejerman
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  2. F. Giolitti
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  3. S. de Breuil
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  4. S. Lenardon
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Correspondence to S. Lenardon.

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Bejerman, N., Giolitti, F., de Breuil, S. et al. Molecular characterization of Sunflower chlorotic mottle virus: a member of a distinct species in the genus Potyvirus . Arch Virol 155, 1331–1335 (2010). https://doi.org/10.1007/s00705-010-0703-3

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