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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
18/10/1994 |
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Data da última atualização: |
10/08/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GILBERTSON, R. L.; FARIA, J. C.; AHLQUIST, P.; MAXWELL, D. P. |
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Afiliação: |
ROBERT L. GILBERTSON, UNIVERSITY OF WISCONSIN; JOSIAS CORREA DE FARIA, CNPAF; PAUL AHLQUIST, UNIVERSITY OF WISCONSIN; DOUGLAS P. MAXWELL, UNIVERSITY OF WISCONSIN. |
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Título: |
Genetic diversity in geminiviruses causing bean golden mosaic disease: the nucleotide sequence of the infectious cloned DNA components of a brazilian isolate of bean golden mosaic geminivirus. |
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Ano de publicação: |
1993 |
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Fonte/Imprenta: |
Phytopathology, v. 83, n. 7, p. 709-715, July 1993. |
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ISSN: |
0031-949X |
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Idioma: |
Inglês |
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Conteúdo: |
The complete nucleotide (nt) sequence of a Brazilian isolate of bean golden mosaic geminivirus (BGMV-BZ) was determined from the infectious cloned DNA components. The genome of BGMV-BZ was divided between two DNA components, DNA-A (2,617 nt) and DNA-B (2,580 nt), which had little sequence identity except for a 181-nt common region present in both molecules. The genomic organization of BGMV-BZ was similar to that of other bipartite whitefly-transmitted geminiviruses, with six open reading frames (ORFs) encoding putative proteins >10 kDa, four on DNA-A (one in the viral [+] and three in the viral complementary sense [–]) and two on DNA-B (one in the viral and one in the viral complementary sense). All six BGMV-BZ ORFs were analogous to corresponding ORFs in other whitefly-transmitted geminiviruses. The homology between BGMV-BZ sequences and those of a BGMV isolate from Puerto Rico (PR) were relatively low. BGMV-BZ sequences were no more closely related to BGMV-PR than to other distinct geminiviruses from South America, such as tomato golden mosaic geminivirus. Pseudo-recombinants made by mixing the infectious cloned DNAs of BGMV-BZ and a BGMV isolate from Guatemala (GA), which was very similar to BGMV-PR, were not infectious. These results support previous observations of differences in sap-transmissibility and bean genotype reactions between BGMV isolates and indicate that at least two distinct types of BGMV exist, designated type I and II. |
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Palavras-Chave: |
Geminivirus. |
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Thesagro: |
DNA; Doença; Feijão; Mosaico Dourado; Phaseolus Vulgaris; Vírus. |
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Thesaurus Nal: |
Beans; Nucleotides. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02289naa a2200277 a 4500
001 1197633
005 2024-08-10
008 1993 bl uuuu u00u1 u #d
022 $a0031-949X
100 1 $aGILBERTSON, R. L.
245 $aGenetic diversity in geminiviruses causing bean golden mosaic disease$bthe nucleotide sequence of the infectious cloned DNA components of a brazilian isolate of bean golden mosaic geminivirus.
260 $c1993
520 $aThe complete nucleotide (nt) sequence of a Brazilian isolate of bean golden mosaic geminivirus (BGMV-BZ) was determined from the infectious cloned DNA components. The genome of BGMV-BZ was divided between two DNA components, DNA-A (2,617 nt) and DNA-B (2,580 nt), which had little sequence identity except for a 181-nt common region present in both molecules. The genomic organization of BGMV-BZ was similar to that of other bipartite whitefly-transmitted geminiviruses, with six open reading frames (ORFs) encoding putative proteins >10 kDa, four on DNA-A (one in the viral [+] and three in the viral complementary sense [–]) and two on DNA-B (one in the viral and one in the viral complementary sense). All six BGMV-BZ ORFs were analogous to corresponding ORFs in other whitefly-transmitted geminiviruses. The homology between BGMV-BZ sequences and those of a BGMV isolate from Puerto Rico (PR) were relatively low. BGMV-BZ sequences were no more closely related to BGMV-PR than to other distinct geminiviruses from South America, such as tomato golden mosaic geminivirus. Pseudo-recombinants made by mixing the infectious cloned DNAs of BGMV-BZ and a BGMV isolate from Guatemala (GA), which was very similar to BGMV-PR, were not infectious. These results support previous observations of differences in sap-transmissibility and bean genotype reactions between BGMV isolates and indicate that at least two distinct types of BGMV exist, designated type I and II.
650 $aBeans
650 $aNucleotides
650 $aDNA
650 $aDoença
650 $aFeijão
650 $aMosaico Dourado
650 $aPhaseolus Vulgaris
650 $aVírus
653 $aGeminivirus
700 1 $aFARIA, J. C.
700 1 $aAHLQUIST, P.
700 1 $aMAXWELL, D. P.
773 $tPhytopathology$gv. 83, n. 7, p. 709-715, July 1993.
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