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| Registros recuperados : 182 | |
| 46. |  | LEASTRO, M. O.; CASTRO, D. Y. O.; ASTUA, J. de F.; KITAJIMA, E. W.; PALLÁS, V.; SÁNCHEZ-NAVARRO, J. Á. Citrus LEPROSIS virus c codifica três proteínas com atividades supressoras de silenciamento gênico Citrus Leprosis Virus C encodes three proteins with gene silencing suppression activity. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 52., 2021. Anais... [Brasília, DF]: Sociedade Brasileira de Fitopatologia, 2021. p. 190. Evento online.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 48. | | ARENA, G. D.; BERGAMINI, M. P.; TASSI, A. D.; KITAJIMA, E. W.; KUBO, K. S.; ASTUA, J. de F. Citrus leprosis virus c infects arabidopsis thaliana, the model for plant-pathogen interactions. Journal of Plant Pathology, 95, n. 2, p.447-452, 2013. Disease Note.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 52. | | GARITA, L. C.; TASSI, A. D.; CALEGARIO, R. F.; KITAJIMA, E. W.; CARBONELL, S. A. M.; ASTUA, J. de F. Common bean: experimental indicator plant for Citrus leprosis virus C and some other Cytoplasmic-type brevipalpus-transmitted viruses. Plant Disease, v. 97, n. 10, p. 1346, 2013.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 53. | | RAMOS-GONZÁLEZ, P. L.; KONDO, H.; MOROZOV, S.; VASILAKIS, N.; VARSANI, A.; CAO, M.; ASTUA, J. de F. The Border between kitavirids and nege-like viruses: tracking the evolutionary pace of plant- and arthropod-infecting viruses. Frontiers in Plant Science, v.3, 932523, May, 2022. doi: il. PDF.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 56. | | MAFRA, V.; MARTINS, P. K.; FRANSCISCO, C. S.; RIBEIRO-ALVES, M.; ASTUA, J. de F.; MACHADO, M. A. Candidatus Liberibacter americanus induces significant reprogramming of the transcriptome of the susceptible citrus genotype. In; INTERNATIONAL RESEARCH CONFERENCE ON HUANGLONGBING , 3., 2013, Orlando, Flórida, USA. IRC HLB III. Proceedings. Orlando, Flórida, USA, 2013, (online).| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 57. | | KITAJIMA, E. W.; TASSI, A. D.; SAITO, M. S. G.; SALAROLI, R. B.; CHABI-JESUS, C.; ASTUA, J. de F. Novas espécies hospedeiras do vírus da leprose do ligustro (Ligustrum leprosis virus-LigLV). In: CONGRESSO PAULISTA DE FITOPATOLOGIA, 40., 2017, Campinas. SP: Instituro Agronômico, 2017| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 58. | | BALBINOTTE, J.; LOPES, J. R. S.; PONTES, R. G. M. S. de; PRACA, L. B.; ASTUA, J. de F. Movimentação de Bacillus thuringiensis em plantas cítricas e aquisição por Diaphorina citri Kuwayama (HEMIPTERA: PSYLLIDAE). In: CONGRESSO BRASILEIRO DE ENTOMOLOGIA, 23., 2010, Natal, RN. Anais... Natal: Sociedade Brasileira de Entomologia, 2010. 1 CD-ROM| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 59. | | NUNES, M. A.; CUNHA, B. A. da; KITAJIMA, E. W.; ASTUA, J. de F.; BASTIANEL, M.; NOVELLI, V. M. Morphological observations of Brevipalpus phoenicis embryos. In: SYMPOSIUM OF THE EUROPEAN ASSOCIATION OF ACAROLOGISTS, 7., 2012, Viena. Abstracts... Vienna, Austria, 2012. Anais Web.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 60. | | SILVA, S. X. de B.; BARBOSA, F. F. L.; ASTUA, J. de F.; ALMEIDA, D. de O.; MOTTA, R. S. Leprose dos citros no Estado da Bahia: identificação do vetor e do agente causal. 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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| Registros recuperados : 182 | |
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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: |
25/08/2020 |
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Data da última atualização: |
25/08/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
LEASTRO, M. O.; CASTRO, D. Y. O.; ASTUA, J. de F.; KITAJIMA, E. W.; PALLÁS, V.; SÁNCHEZ-NAVARRO, J. Á. |
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Afiliação: |
MIKHAIL OLIVEIRA LEASTRO, Instituto Biológico; DEIBIS YORLENIS ORTEGA CASTRO, Universidad Politécnica de Valencia; JULIANA DE FREITAS ASTUA, CNPMF; ELLIOT WATANABE KITAJIMA, ESALQ; VICENTE PALLÁS, Universidad Politécnica de Valencia; JESÚS ÁNGEL SÁNCHEZ-NAVARRO, Universidad Politécnica de Valencia. |
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Título: |
Citrus Leprosis Virus C Encodes Three Proteins With Gene Silencing Suppression Activity. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Frontiers in Microbiology, June 2020. |
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ISSN: |
1664-302X |
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DOI: |
https://doi.org/10.3389/fmicb.2020.01231 |
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Idioma: |
Inglês |
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Conteúdo: |
Citrus leprosis virus C (CiLV-C) belongs to the genus Cilevirus, family Kitaviridae, and is considered the most devastating virus infecting citrus in Brazil, being the main viral pathogen responsible for citrus leprosis (CL), a severe disease that affects citrus orchards in Latin America. Here, proteins encoded by CiLV-C genomic RNA 1 and 2 were screened for potential RNA silencing suppressor (RSS) activity by five methods. Using the GFP-based reporter agroinfiltration assay, we have not found potential local suppressor activity for the five CiLV-C encoded proteins. However, when RSS activity was evaluated using the alfalfa mosaic virus (AMV) system, we found that the p29, p15, and p61 CiLV-C proteins triggered necrosis response and increased the AMV RNA 3 accumulation, suggesting a suppressive functionality. From the analysis of small interfering RNAs (siRNAs) accumulation, we observed that the ectopic expression of the p29, p15, and p61 reduced significantly the accumulation of GFP derived siRNAs. The use of the RSS defective turnip crinkle virus (TCV) system revealed that only the trans-expression of the p15 protein restored the cell-to-cell viral movement. Finally, the potato virus X (PVX) system revealed that the expression of p29, p15, and p61 increased the PVX RNA accumulation; in addition, the p29 and p15 enhanced the pathogenicity of PVX resulting in the death of tobacco plants. Furthermore, PVX-p61 infection resulted in a hypersensitive response (HR), suggesting that p61 could also activate a plant defense response mechanism. This is the first report describing the RSS activity for CiLV-C proteins and, moreover, for a member of the family Kitaviridae. MenosCitrus leprosis virus C (CiLV-C) belongs to the genus Cilevirus, family Kitaviridae, and is considered the most devastating virus infecting citrus in Brazil, being the main viral pathogen responsible for citrus leprosis (CL), a severe disease that affects citrus orchards in Latin America. Here, proteins encoded by CiLV-C genomic RNA 1 and 2 were screened for potential RNA silencing suppressor (RSS) activity by five methods. Using the GFP-based reporter agroinfiltration assay, we have not found potential local suppressor activity for the five CiLV-C encoded proteins. However, when RSS activity was evaluated using the alfalfa mosaic virus (AMV) system, we found that the p29, p15, and p61 CiLV-C proteins triggered necrosis response and increased the AMV RNA 3 accumulation, suggesting a suppressive functionality. From the analysis of small interfering RNAs (siRNAs) accumulation, we observed that the ectopic expression of the p29, p15, and p61 reduced significantly the accumulation of GFP derived siRNAs. The use of the RSS defective turnip crinkle virus (TCV) system revealed that only the trans-expression of the p15 protein restored the cell-to-cell viral movement. Finally, the potato virus X (PVX) system revealed that the expression of p29, p15, and p61 increased the PVX RNA accumulation; in addition, the p29 and p15 enhanced the pathogenicity of PVX resulting in the death of tobacco plants. Furthermore, PVX-p61 infection resulted in a hypersensitive response (HR), suggesting th... Mostrar Tudo |
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Thesagro: |
Doença de Planta; Fruta Cítrica. |
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Categoria do assunto: |
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Marc: |
LEADER 02381naa a2200229 a 4500
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024 7 $ahttps://doi.org/10.3389/fmicb.2020.01231$2DOI
100 1 $aLEASTRO, M. O.
245 $aCitrus Leprosis Virus C Encodes Three Proteins With Gene Silencing Suppression Activity.$h[electronic resource]
260 $c2020
520 $aCitrus leprosis virus C (CiLV-C) belongs to the genus Cilevirus, family Kitaviridae, and is considered the most devastating virus infecting citrus in Brazil, being the main viral pathogen responsible for citrus leprosis (CL), a severe disease that affects citrus orchards in Latin America. Here, proteins encoded by CiLV-C genomic RNA 1 and 2 were screened for potential RNA silencing suppressor (RSS) activity by five methods. Using the GFP-based reporter agroinfiltration assay, we have not found potential local suppressor activity for the five CiLV-C encoded proteins. However, when RSS activity was evaluated using the alfalfa mosaic virus (AMV) system, we found that the p29, p15, and p61 CiLV-C proteins triggered necrosis response and increased the AMV RNA 3 accumulation, suggesting a suppressive functionality. From the analysis of small interfering RNAs (siRNAs) accumulation, we observed that the ectopic expression of the p29, p15, and p61 reduced significantly the accumulation of GFP derived siRNAs. The use of the RSS defective turnip crinkle virus (TCV) system revealed that only the trans-expression of the p15 protein restored the cell-to-cell viral movement. Finally, the potato virus X (PVX) system revealed that the expression of p29, p15, and p61 increased the PVX RNA accumulation; in addition, the p29 and p15 enhanced the pathogenicity of PVX resulting in the death of tobacco plants. Furthermore, PVX-p61 infection resulted in a hypersensitive response (HR), suggesting that p61 could also activate a plant defense response mechanism. This is the first report describing the RSS activity for CiLV-C proteins and, moreover, for a member of the family Kitaviridae.
650 $aDoença de Planta
650 $aFruta Cítrica
700 1 $aCASTRO, D. Y. O.
700 1 $aASTUA, J. de F.
700 1 $aKITAJIMA, E. W.
700 1 $aPALLÁS, V.
700 1 $aSÁNCHEZ-NAVARRO, J. Á.
773 $tFrontiers in Microbiology, June 2020.
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