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| Registros recuperados : 92 | |
| 21. |  | SILVA, I. P.; BARBOSA, F. F. L.; ABREU, E. F. M.; BARBOSA, C. de J. Dinâmica espacial da clorose variegada dos citros no Recôncavo Baiano, Brasil. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 48.; CONGRESSO BRASILEIRO DE PATOLOGIA PÓS-COLHEITA, 2., 2015, São Pedro. Fitopatologia de precisão: fronteiras da ciência: anais. Brasília, DF: Sociedade Brasileira de Fitopatologia, 2015. 1 CD-ROM.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 22. | | FRÓES, T. L.; TUMELERO, A. I.; ABREU, E. F. M.; BARBOSA, C. de J. Dinâmica da interação Cowpea aphid-borne mosaic virus vs Passiflora edulis (maracujá), Vigna unguiculata (Feijão-caupi) e Canavalia ensiformis (Feijão-de-Porco). In: JORNADA CIENTÍFICA EMBRAPA MANDIOCA E FRUTICULTURA, 8., 2014, Cruz das Almas, Ba. Pesquisa: despertando mentes para a inovação e transformando o futuro :[anais]. Cruz das Almas, BA, Embrapa Mandioca e Fruticultura, 2014.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 27. | | CERQUEIRA, L. R. de S.; ABREU, E. F. M.; ANDRADE, E. C. de. Desenvolvimento de métodos diagnósticos para os vírus causadores da murcha do abacaxizeiro (PMWAV -1, 2 e 3). In: JORNADA CIENTÍFICA EMBRAPA MANDIOCA E FRUTICULTURA, 8., 2014, Cruz das Almas, Ba. Pesquisa: despertando mentes para a inovação e transformando o futuro :[anais]. Cruz das Almas, Ba, Embrapa Mandioca e Fruticultura, 2014.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 34. | | JESUS, C. C.; ARAGAO, F. J. L.; ANDRADE, E. C. de; VIANNA, G. R.; ABREU, E. F. M. Estabelecimento de um protocolo de regeneração por embriogênse somática de Carica Papaya L. VAR. Sunrise. In: REUNIÃO ANUAL DE CIÊNCIA, TECNOLOGIA, INOVAÇÃO E CULTURA NO RECÔNCAVO DA BAHIA - RECITEC RECÔNCAVO. 1., 2011, Cruz das Almas. Anais... Cruz das Almas: Universidade Federal do Recôncavo da Bahia, 2011. 1 CD-ROM. 2 p. Em paralelo aconteceram também os seguintes eventos: V Seminário de Pesquisa do Recôncavo da Bahia; V Seminário Estudantil de Pesquisa da UFRB; V Seminário da Pós-Graduação da UFRB; II Seminário Regional de Pesquisa da EBDA; 5ª Jornada...| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 38. | | ARAÚJO, T. da S.; ABREU, E. F. M.; OLIVEIRA, S. A. S. de; ABREU, E. J. de O. Identificação e diagnose molecular de fitoplasmas associados ao couro-de-sapo e superbrotamento da mandioca (Manihot esculenta Crantz). In: JORNADA CIENTÍFICA EMBRAPA MANDIOCA E FRUTICULTURA, 8., 2014, Cruz das Almas, Ba. Pesquisa: despertando mentes para a inovação e transformando o futuro : [anais]. Cruz das Almas, BA, Embrapa Mandioca e Fruticultura, 2014.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 39. | | SILVA, I. P.; BARBOSA, F. F. L.; ABREU, E. F. M.; FERNANDES, A. M.; BARBOSA, C. de J. Padrão temporal da clorose variegada dos citros no Recôncavo Baiano, Brasil. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 48.; CONGRESSO BRASILEIRO DE PATOLOGIA PÓS-COLHEITA, 2., 2015, São Pedro. Fitopatologia de precisão: fronteiras da ciência: anais. Brasília, DF: Sociedade Brasileira de Fitopatologia, 2015. 1 CD-ROM.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 40. | | ABREU, E. F. M.; BARBOSA, A. O.; JESUS, O. N. de; BARBOSA, C. de J.; ARAGAO, F. J. L. Molecular comparison among isolates of Cowpea aphid-borne mosaic virus (CABMV) in the Northeastern Region of Brazil. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 45., 2012, Manaus. Fito 2012. Tropical Plant Pathology, Brasília, DF, v. 37, 2012. Suplemento. Resumo 416. 1 CD-ROM.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
27/04/2011 |
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Data da última atualização: |
29/04/2011 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
ABREU, E. F. M.; ANDRADE, E. C. de; ARAGAO, F. J. L. |
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Afiliação: |
Emanuel Felipe Medereiros Abreu, UnB; EDUARDO CHUMBINHO DE ANDRADE, CNPMF; FRANCISCO JOSE LIMA ARAGAO, CENARGEN. |
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Título: |
Molecular comparison between isolates of Cowpea severe mosaic virus and Cowpea aphid borne mosaic virus from Northeast Brazil. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
In: SIMPÓSIO BRASILEIRO DE GENÉTICA MOLECULAR DE PLANTAS, 3, 2011, Ilhéus. Resumos. [S. l.]: Sociedade Brasileira de Genética, 2011. 1 CD-ROM. |
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Idioma: |
Inglês |
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Notas: |
pdf 34699 |
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Conteúdo: |
Cowpea (Vigna unguiculata) is an important plant crop in Northeast Brazil being traditionally cultivated by small farmers. Virus diseases are considered to be the main factor limiting cowpea yield in the region. The severe mosaic disease caused by the Cowpea severe mosaic virus (CpSMV), family Comoviridae, genus Comovirus, seems to be one of the most prevalent diseases leading to high yield losses in this crop. The CABMV belongs to the genus Potyvirus in the Potyviridae family, and infects cowpea worldwide. In the northeastern Region of Brazil, both viruses can be found in cowpea planted areas. The aim of the present study was to access the degree of homology among a 2500 and 1500bp region of different isolates of CpSMV and CABMV, respectively; obtained in different northeastern regions in Brazil, and to compare it to isolates throughout the world. Plants with CPSMV and CABMV symptoms from the states of Piauí, Ceará, Rio Grande do Norte, Paraiba, Pernambuco, Alagoas, Sergipe and Bahia were collected, and the isolates were identified by RT-PCR analysis. Total RNA was extracted from infected tissue with Trizol Reagent (Invitrogen) according to manufacturer's recommendations, and afterwards used for synthesis of cDNA fragments by RT-PCR using the Superscript® III Reverse Polymerase and Taq DNA Polymerase (Invitrogen), according to manufacturer?s recommendations. The synthesized primers were able to amplify fragments of 2500 and 1500bp of the CpSMV and CABMV virus, respectively, by RT-PCR. Amplification products were directly cloned into the pGEMT-Easy plasmid vector (Promega), according to the manufacturer?s instructions. Cloned fragments were sequenced in both orientations. Deduced amino acid sequences of the virus were compared to sequences available from GenBank. Multiple sequence alignments were obtained with Clustal W. Phylogenetic trees using the MEGA version 4.1 software package and the neighbour-joining method with Poisson correction. Tree branches were bootstrapped with 1000 permutations. CpSMV and CABMV diseases remain as limiting factors in this crop in Brazil, and breeding programs, either by conventional or engineered approaches, should be targeted at establishing resistance of cowpeas to CpSMV and CABMV. MenosCowpea (Vigna unguiculata) is an important plant crop in Northeast Brazil being traditionally cultivated by small farmers. Virus diseases are considered to be the main factor limiting cowpea yield in the region. The severe mosaic disease caused by the Cowpea severe mosaic virus (CpSMV), family Comoviridae, genus Comovirus, seems to be one of the most prevalent diseases leading to high yield losses in this crop. The CABMV belongs to the genus Potyvirus in the Potyviridae family, and infects cowpea worldwide. In the northeastern Region of Brazil, both viruses can be found in cowpea planted areas. The aim of the present study was to access the degree of homology among a 2500 and 1500bp region of different isolates of CpSMV and CABMV, respectively; obtained in different northeastern regions in Brazil, and to compare it to isolates throughout the world. Plants with CPSMV and CABMV symptoms from the states of Piauí, Ceará, Rio Grande do Norte, Paraiba, Pernambuco, Alagoas, Sergipe and Bahia were collected, and the isolates were identified by RT-PCR analysis. Total RNA was extracted from infected tissue with Trizol Reagent (Invitrogen) according to manufacturer's recommendations, and afterwards used for synthesis of cDNA fragments by RT-PCR using the Superscript® III Reverse Polymerase and Taq DNA Polymerase (Invitrogen), according to manufacturer?s recommendations. The synthesized primers were able to amplify fragments of 2500 and 1500bp of the CpSMV and CABMV virus, respectively,... Mostrar Tudo |
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Palavras-Chave: |
CABMV; Cowpea; CpSMV; Molecular and RT-PCR analysis; Virus diseases. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
|
Marc: |
LEADER 02977nam a2200205 a 4500
001 1886945
005 2011-04-29
008 2011 bl uuuu u00u1 u #d
100 1 $aABREU, E. F. M.
245 $aMolecular comparison between isolates of Cowpea severe mosaic virus and Cowpea aphid borne mosaic virus from Northeast Brazil.
260 $aIn: SIMPÓSIO BRASILEIRO DE GENÉTICA MOLECULAR DE PLANTAS, 3, 2011, Ilhéus. Resumos. [S. l.]: Sociedade Brasileira de Genética, 2011. 1 CD-ROM.$c2011
500 $apdf 34699
520 $aCowpea (Vigna unguiculata) is an important plant crop in Northeast Brazil being traditionally cultivated by small farmers. Virus diseases are considered to be the main factor limiting cowpea yield in the region. The severe mosaic disease caused by the Cowpea severe mosaic virus (CpSMV), family Comoviridae, genus Comovirus, seems to be one of the most prevalent diseases leading to high yield losses in this crop. The CABMV belongs to the genus Potyvirus in the Potyviridae family, and infects cowpea worldwide. In the northeastern Region of Brazil, both viruses can be found in cowpea planted areas. The aim of the present study was to access the degree of homology among a 2500 and 1500bp region of different isolates of CpSMV and CABMV, respectively; obtained in different northeastern regions in Brazil, and to compare it to isolates throughout the world. Plants with CPSMV and CABMV symptoms from the states of Piauí, Ceará, Rio Grande do Norte, Paraiba, Pernambuco, Alagoas, Sergipe and Bahia were collected, and the isolates were identified by RT-PCR analysis. Total RNA was extracted from infected tissue with Trizol Reagent (Invitrogen) according to manufacturer's recommendations, and afterwards used for synthesis of cDNA fragments by RT-PCR using the Superscript® III Reverse Polymerase and Taq DNA Polymerase (Invitrogen), according to manufacturer?s recommendations. The synthesized primers were able to amplify fragments of 2500 and 1500bp of the CpSMV and CABMV virus, respectively, by RT-PCR. Amplification products were directly cloned into the pGEMT-Easy plasmid vector (Promega), according to the manufacturer?s instructions. Cloned fragments were sequenced in both orientations. Deduced amino acid sequences of the virus were compared to sequences available from GenBank. Multiple sequence alignments were obtained with Clustal W. Phylogenetic trees using the MEGA version 4.1 software package and the neighbour-joining method with Poisson correction. Tree branches were bootstrapped with 1000 permutations. CpSMV and CABMV diseases remain as limiting factors in this crop in Brazil, and breeding programs, either by conventional or engineered approaches, should be targeted at establishing resistance of cowpeas to CpSMV and CABMV.
653 $aCABMV
653 $aCowpea
653 $aCpSMV
653 $aMolecular and RT-PCR analysis
653 $aVirus diseases
700 1 $aANDRADE, E. C. de
700 1 $aARAGAO, F. J. L.
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