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Molecular characterisation and evolutionary relationships of a potyvirus infecting Crotalaria in Brazil

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Summary.

 The 3′ terminal genomic region of a potyvirus causing mosaic disease in several Crotalaria species has been cloned and sequenced. Comparisons of the nucleotide and deduced amino acid (aa) sequences of the cloned cDNA with those from other potyviruses show that the Crotalaria-infecting virus (designated Crotalaria mosaic virus; CrMV) is closely related to Cowpea aphid-borne mosaic virus (CABMV). Maximum identity (95.4%) at the coat protein (CP) aa level was observed between CrMV and a Brazilian strain of CABMV. Phylogenetic analyses derived from the sequence alignments of the CP and 3′ untranslated region confirmed the identification of CrMV as a strain of CABMV and the name CABMV-Cr is suggested.

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Authors and Affiliations

  1.  Departamento de Fisiologia Vegetal, Universidade Estadual de Campinas, Campinas, SP, Brazil, , , , , , BR

    D. S. Freitas & J. Vega

  2.  Centro de Biologia Molecular e Engenharia Genética, Universidade Estadual de Campinas, Campinas, SP, Brazil, , , , , , BR

    I. G. Maia & P. Arruda

Authors
  1. D. S. Freitas
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  2. I. G. Maia
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  3. P. Arruda
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  4. J. Vega
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Received April 24, 2001 Accepted October 5, 2001

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Freitas, D., Maia, I., Arruda, P. et al. Molecular characterisation and evolutionary relationships of a potyvirus infecting Crotalaria in Brazil. Arch. Virol. 147, 411–417 (2002). https://doi.org/10.1007/s705-002-8329-1

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  • DOI: https://doi.org/10.1007/s705-002-8329-1

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