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Registro Completo |
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
31/01/2013 |
Data da última atualização: |
25/05/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
NUNES, M. A.; OLIVEIRA, C. A. L. de; OLIVEIRA, M. L. de; KITAJIMA, E. W.; HILF, M. E.; GOTTWALD, T. R.; ASTUA, J. de F. |
Afiliação: |
M. A. NUNES, IAC; C. A. L. DE OLIVEIRA, UNESP; M. L. DE OLIVEIRA, UNESP; E. W. KITAJIMA, ESALQ; M. E. HILF, Agricultural Research Service USHRL; T. R. GOTTWALD, Agricultural Research Service USHRL; JULIANA DE FREITAS ASTUA, CNPMF. |
Título: |
Transmission of Citrus leprosis virus C by Brevipalpus phoenicis (Geijskes) to Alternative Host Plants Found in Citrus Orchards. |
Ano de publicação: |
2012 |
Fonte/Imprenta: |
Plant Disease, v. 96, n. 7., 2012. |
ISSN: |
0191-2917 |
DOI: |
10.1094/PDIS-06-11-0538 |
Idioma: |
Inglês |
Conteúdo: |
The equivalent of US$75 million is spent each year in Brazil to control Brevipalpus phoenicis, a mite vector of Citrus leprosis virus C (CiLVC). In this study, we investigated the possibility that hedgerows and windbreaks normally found in citrus orchards could host CiLV-C. Mites confined by an adhesive barrier were reared on sweet orange fruit with leprosis symptoms then were transferred to leaves of Hibiscus rosa-sinensis, Malvaviscus arboreus, Grevilea robusta, Bixa orellana, and Citrus sinensis. Ninety days post infestation, the descendant mites were transferred to Pera sweet orange plants to verify the transmissibility of the virus back to citrus. Nonviruliferous mites which had no feeding access to diseased tissue were used as controls. Local chlorotic or necrotic spots and ringspots, symptoms of leprosis disease, appeared in most plants tested. Results generated by reversetranscription polymerase chain reaction with primers specific for CiLVC and by electron microscope analyses confirmed the susceptibility of these plants to CiLV-C. |
Thesaurus Nal: |
Citrus. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01754naa a2200229 a 4500 001 1947160 005 2023-05-25 008 2012 bl uuuu u00u1 u #d 022 $a0191-2917 024 7 $a10.1094/PDIS-06-11-0538$2DOI 100 1 $aNUNES, M. A. 245 $aTransmission of Citrus leprosis virus C by Brevipalpus phoenicis (Geijskes) to Alternative Host Plants Found in Citrus Orchards.$h[electronic resource] 260 $c2012 520 $aThe equivalent of US$75 million is spent each year in Brazil to control Brevipalpus phoenicis, a mite vector of Citrus leprosis virus C (CiLVC). In this study, we investigated the possibility that hedgerows and windbreaks normally found in citrus orchards could host CiLV-C. Mites confined by an adhesive barrier were reared on sweet orange fruit with leprosis symptoms then were transferred to leaves of Hibiscus rosa-sinensis, Malvaviscus arboreus, Grevilea robusta, Bixa orellana, and Citrus sinensis. Ninety days post infestation, the descendant mites were transferred to Pera sweet orange plants to verify the transmissibility of the virus back to citrus. Nonviruliferous mites which had no feeding access to diseased tissue were used as controls. Local chlorotic or necrotic spots and ringspots, symptoms of leprosis disease, appeared in most plants tested. Results generated by reversetranscription polymerase chain reaction with primers specific for CiLVC and by electron microscope analyses confirmed the susceptibility of these plants to CiLV-C. 650 $aCitrus 700 1 $aOLIVEIRA, C. A. L. de 700 1 $aOLIVEIRA, M. L. de 700 1 $aKITAJIMA, E. W. 700 1 $aHILF, M. E. 700 1 $aGOTTWALD, T. R. 700 1 $aASTUA, J. de F. 773 $tPlant Disease$gv. 96, n. 7., 2012.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
20/12/2010 |
Data da última atualização: |
19/01/2011 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
LOCALI-FABRIS, E. C.; MAFRA, V. S.; MARTINS, P. K.; RIBEIRO- ALVES, M.; FRANCISCO, C. S.; FREITAS ASTUA, J. de; KISHI, L. T.; MACHADO, M. A. |
Afiliação: |
Eliane Cristina Locali-Fabris, APTA; Valéria S. Mafra, APTA; Polyana Kelly. Martins, APTA; Marcelo Ribeiro-Alves, Fiocruz; Carolina S. Francisco, APTA; JULIANA DE FREITAS ASTUA, CNPMF; Luciano T. Kishi, APTA; Marcelo A. Machado, APTA. |
Título: |
Gene set enrichment analysis in sweet orange plants infected by Candidatus Liberibacter americanus. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
In: CONFERENCE INTERNATIONAL ORGANIZATION CITRUS VIROLOGISTS, 18., Campinas, SP, 2010. Proceedings... Campinas: IOCV, 2010. 1 CD-ROM. |
Idioma: |
Inglês |
Notas: |
0058 PSO
Publicado também em: Citrus Research & Technology, Cordeirópolis, v. 31, Suplemento, 2010 |
Conteúdo: |
Huanglongbing (HLB) is known as the most devastating disease of citrus. Two species of Candidatus Liberibacter have been reported in Brazil, Ca. L. asiaticus (CaLas) and Ca. L. americanus (CaLam). Since CaLas is prevalent worldwide, most of the studies have focused that species and very little information is available on CaLam. With the objective to investigate differences in metabolic pathways of Citrus sinensis in response to CaLam, we used a genome- wide microarray approach to identify differentially expressed genes in symptomatic plants when compared to control plants. Hybridizations were performed by Roche Nimblegen with a customized 385K chip containing 32,000 unigenes of C. sinensis. The raw data were pre-processed using the Robust Multiarray Average (RMA). Normalized data were imported to R/Bioconductor where statistical analyses were performed. A Bayesian moderated t-test was calculated and p-values were adjusted for multiple comparisons by the false discovery rate correction. A total of 634 genes with P-values ?0.05, fold change |FC| ? 2.0 and odds probability ? 0.95 were considered differentially expressed. From those, 419 were up- and 215 down-regulated in symptomatic plants. In order to identify enriched gene ontologies regulated in infected plants we applied a gene set enrichment analysis approach and found 45 different biological processes including those involved in response to jasmonic acid stimulus, signaling and metabolism, 17 molecular functions, including oxygen binding, monooxygenase activity and oxidoreductase activity, 6 cellular components, mostly related to chloroplast, enriched at a statistically significant level of 0.001. MenosHuanglongbing (HLB) is known as the most devastating disease of citrus. Two species of Candidatus Liberibacter have been reported in Brazil, Ca. L. asiaticus (CaLas) and Ca. L. americanus (CaLam). Since CaLas is prevalent worldwide, most of the studies have focused that species and very little information is available on CaLam. With the objective to investigate differences in metabolic pathways of Citrus sinensis in response to CaLam, we used a genome- wide microarray approach to identify differentially expressed genes in symptomatic plants when compared to control plants. Hybridizations were performed by Roche Nimblegen with a customized 385K chip containing 32,000 unigenes of C. sinensis. The raw data were pre-processed using the Robust Multiarray Average (RMA). Normalized data were imported to R/Bioconductor where statistical analyses were performed. A Bayesian moderated t-test was calculated and p-values were adjusted for multiple comparisons by the false discovery rate correction. A total of 634 genes with P-values ?0.05, fold change |FC| ? 2.0 and odds probability ? 0.95 were considered differentially expressed. From those, 419 were up- and 215 down-regulated in symptomatic plants. In order to identify enriched gene ontologies regulated in infected plants we applied a gene set enrichment analysis approach and found 45 different biological processes including those involved in response to jasmonic acid stimulus, signaling and metabolism, 17 molecular functions, includin... Mostrar Tudo |
Palavras-Chave: |
Huanglongbing; Plant disease. |
Thesagro: |
Doença de Planta; Fruta Cítrica. |
Thesaurus NAL: |
Candidatus Liberibacter; Citrus. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
Marc: |
LEADER 02656nam a2200277 a 4500 001 1870461 005 2011-01-19 008 2010 bl uuuu u00u1 u #d 100 1 $aLOCALI-FABRIS, E. C. 245 $aGene set enrichment analysis in sweet orange plants infected by Candidatus Liberibacter americanus. 260 $aIn: CONFERENCE INTERNATIONAL ORGANIZATION CITRUS VIROLOGISTS, 18., Campinas, SP, 2010. Proceedings... Campinas: IOCV, 2010. 1 CD-ROM.$c2010 500 $a0058 PSO Publicado também em: Citrus Research & Technology, Cordeirópolis, v. 31, Suplemento, 2010 520 $aHuanglongbing (HLB) is known as the most devastating disease of citrus. Two species of Candidatus Liberibacter have been reported in Brazil, Ca. L. asiaticus (CaLas) and Ca. L. americanus (CaLam). Since CaLas is prevalent worldwide, most of the studies have focused that species and very little information is available on CaLam. With the objective to investigate differences in metabolic pathways of Citrus sinensis in response to CaLam, we used a genome- wide microarray approach to identify differentially expressed genes in symptomatic plants when compared to control plants. Hybridizations were performed by Roche Nimblegen with a customized 385K chip containing 32,000 unigenes of C. sinensis. The raw data were pre-processed using the Robust Multiarray Average (RMA). Normalized data were imported to R/Bioconductor where statistical analyses were performed. A Bayesian moderated t-test was calculated and p-values were adjusted for multiple comparisons by the false discovery rate correction. A total of 634 genes with P-values ?0.05, fold change |FC| ? 2.0 and odds probability ? 0.95 were considered differentially expressed. From those, 419 were up- and 215 down-regulated in symptomatic plants. In order to identify enriched gene ontologies regulated in infected plants we applied a gene set enrichment analysis approach and found 45 different biological processes including those involved in response to jasmonic acid stimulus, signaling and metabolism, 17 molecular functions, including oxygen binding, monooxygenase activity and oxidoreductase activity, 6 cellular components, mostly related to chloroplast, enriched at a statistically significant level of 0.001. 650 $aCandidatus Liberibacter 650 $aCitrus 650 $aDoença de Planta 650 $aFruta Cítrica 653 $aHuanglongbing 653 $aPlant disease 700 1 $aMAFRA, V. S. 700 1 $aMARTINS, P. K. 700 1 $aRIBEIRO- ALVES, M. 700 1 $aFRANCISCO, C. S. 700 1 $aFREITAS ASTUA, J. de 700 1 $aKISHI, L. T. 700 1 $aMACHADO, M. A.
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