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Molecular evidence that the aphid-transmitted Tomato mild mottle virus belongs to the Potyviridae family but not the Potyvirus genus

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Summary.

 Molecular studies have been carried out on Tomato mild mottle virus (TMMV) and 2322 nucleotides of the aphid-transmitted virus have been sequenced. This translates to a 2187 nucleotide open reading frame and a 135 nucleotide untranslated region (UTR) followed by a poly A tail. The sequence is consistent with the NIb and coat protein regions of a member of the Potyviridae family of viruses. Sequence comparisons show this virus to have no close relationship with any previously sequenced aphid-transmitted virus; the highest identity was found with the whitefly-transmitted Ipomoviruses. The vector of transmission and the low level of sequence identity with other aphid-transmitted viruses suggest TMMV does not belong to any existing genus of the Potyviridae family.

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Authors and Affiliations

  1.  School of Biological Sciences, University of Bristol, Bristol, U.K., , , , , , GB

    W. A. Monger & G. D. Foster

  2.  Horticulture Research International, Wellesbourne, Warwick, U.K. , , , , , , GB

    N. J. Spence

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  1. W. A. Monger
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  2. N. J. Spence
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  3. G. D. Foster
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Received March 26, 2001 Accepted August 6, 2001

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Monger, W., Spence, N. & Foster, G. Molecular evidence that the aphid-transmitted Tomato mild mottle virus belongs to the Potyviridae family but not the Potyvirus genus. Arch. Virol. 146, 2435–2441 (2001). https://doi.org/10.1007/s007050170013

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  • DOI: https://doi.org/10.1007/s007050170013

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