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Type: Artigo de periódico
Title: Potato Virus Yntn: A Coat And P1 Protein Sequences Analysis Of A Brazilian Isolate
Author: Sawazaki H.E.
de Souza-Dias J.A.C.
Lorenzen J.H.
Jeffries C.
Modolo D.G.
Machado D.S.
Abstract: Potato tubers (Solanum tuberosum L. cv. Monalisa) showing superficial necrotic rings typical of Potato virus YNTN (PVYNTN) infection were collected from commercial potato fields in the State of São Paulo (Brazil). An isolate named IAC-PVYNTN was characterized by sequencing 822 and 836 nucleotides from the coat protein and P1 protein coding genes, respectively. The IAC-PVYNTN was observed as a European/North American recombinant isolate closely related to three Eu-PVYNTN isolates that share an alternative recombination site in the coat protein cistron near position 144. Therefore, the IAC-PVYNTN isolate may represent a novel recombinant variant between PVYN N-605 Swiss (European) and PVY O-139 Canadian (North American). Cluster analysis of the P1 sequences found IAC-PVYNTN in the sub-cluster of Eu-PVYN/NTN/N:O. This study supports previous evidence of a common origin for PVYN/NTN in Europe and Brazil. © EAPR 2010.
Rights: fechado
Identifier DOI: 10.1007/s11540-009-9141-6
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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