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Animal: DNA Viruses |
Dipartimento di Sanità Pubblica Veterinaria e Patologia Animale, Università degli Studi di Bologna, Via Tolara di Sopra 50, 40064-Ozzano Emilia (BO), Italy1
Istituto Zooprofilattico Sperimentale delle Venezie, Via Romea 14/A, 35020-Legnaro (Padova), Italy2
Unità di Biocomputing Centro Interdipartimentale per le Ricerche Biotecnologiche (CIRB)3 and Dipartimento di Biologia4, Università degli Studi di Bologna, Via Irnerio 42, 40126-Bologna, Italy
Author for correspondence: Mara Battilani. Fax +39 051 792039. e-mail mbattilani{at}vet.unibo.it
The VP2 genes of Italian canine parvovirus (CPV) type 2 strains isolated from dogs and wolves were sequenced and a three-dimensional model of the VP2 capsid protein was constructed. Two mutations were detected in the VP2 sequences of the Italian strains: one at residue 297 and one at residue 265. Variant 297 is the predominant CPV isolate in Europe, whereas variant 265 has never been detected before. The mutation at residue 265 causes a disruption in a G strand of the
-barrel in the VP2 protein. Data on strains isolated from wolves demonstrated that the same strain of CPV can circulate among domestic and wild canids; therefore, this result leads us to exclude the possibility that a separate parvovirus pool exists in wild populations.
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