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- A degenerate primer allows amplification of part of the 3 '-terminus of three distinct carlavirus species
- Universidade Estadual Paulista (UNESP)
- Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
- Universidade de São Paulo (USP)
- Sequences of the coat protein amino acids of definitive and tentative species of carlaviruses deposited in GenBank were aligned and a region of seven amino acids (GLGVPTE) was found to be conserved. The corresponding nucleotides were aligned, allowing the design of a degenerate primer that together with an oligo dT anti-sense primer, was effective for the detection of three distinct carlavirus species, two transmitted by aphids and one by whitefly. These primers have the advantage that about 940 nt from the 3'-terminus, comprising part of the CP gene (about 60%), the 11 K gene, and the terminal untranslated region can be amplified for sequencing. The fact that this amino acid sequence is conserved in almost all of the sequenced carlaviruses, allows the prediction that this primer pair will be useful as a diagnostic tool for carlavirus species. (C) 2007 Elsevier B.V. All rights reserved.
- Journal of Virological Methods. Amsterdam: Elsevier B.V., v. 148, n. 1-2, p. 283-285, 2008.
- Elsevier B.V.
- carlavirus identification
- Acesso restrito
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