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AutorArena, Gabriella D.
AutorRamos-González, Pedro L.
AutorRogerio, Luana A.
AutorRibeiro-Alves, Marcelo
AutorCasteel, Clare L.
AutorFreitas-Astúa, Juliana
AutorMachado, Marcos A.
Fecha de acceso2018-09-19T14:50:21Z
Fecha de disponibilización2018-09-19T14:50:21Z
Fecha de publicación2018
ReferenciaARENA, Gabriella D. et al. Making a Better Home: Modulation of Plant Defensive Response by Brevipalpus Mites. Frontiers in Plant Science, v. 9, p. 1-19, 15 Aug. 2018.pt_BR
ISSN1664-462Xpt_BR
URIhttps://www.arca.fiocruz.br/handle/icict/28891
Idiomaengpt_BR
Derechos de autoropen accesspt_BR
TítuloMaking a Better Home: Modulation of Plant Defensive Response by Brevipalpus Mitespt_BR
Tipo del documentoArticlept_BR
DOI10.3389/fpls.2018.01147
Resumen en InglésFalse-spider mites of the genus Brevipalpus are highly polyphagous pests that attack hundreds of plant species of distinct families worldwide. Besides causing direct damage, these mites may also act as vectors of many plant viruses that threaten high-value ornamental plants like orchids and economically important crops such as citrus and coffee. To better understand the molecular mechanisms behind plant-mite interaction we used an RNA-Seq approach to assess the global response of Arabidopsis thaliana (Arabidopsis) plants along the course of the infestation with Brevipalpus yothersi, the main vector species within the genus. Mite infestation triggered a drastic transcriptome reprogramming soon at the beginning of the interaction and throughout the time course, deregulating 1755, 3069 and 2680 genes at 6 hours after infestation (hai), 2 days after infestation (dai), and 6 dai, respectively. Gene set enrichment analysis revealed a clear modulation of processes related to the plant immune system. Co-expressed genes correlated with specific classes of transcription factors regulating defense pathways and developmental processes. Up-regulation of defensive responses correlated with the down-regulation of growth-related processes, suggesting the triggering of the growth-defense crosstalk to optimize plant fitness. Biological processes (BPs) enriched at all time points were markedly related to defense against herbivores and other biotic stresses involving the defense hormones salicylic acid (SA) and jasmonic acid (JA). Levels of both hormones were higher in plants challenged with mites than in the non-infested ones, supporting the simultaneous induction of genes from both pathways. To further clarify the functional relevance of the plant hormonal pathways on the interaction, we evaluated the mite performance on Arabidopsis mutants impaired in SA- or JA-mediated response. Mite oviposition was lower on mutants defective in SA biosynthesis (sid2) and signaling (npr1), showing a function for SA pathway in improving the mite reproduction, an unusual mechanism compared to closely-related spider mites. Here we provide the first report on the global and dynamic plant transcriptome triggered by Brevipalpus feeding, extending our knowledge on plant-mite interaction. Furthermore, our results suggest that Brevipalpus mites manipulate the plant defensive response to render the plant more susceptible to their colonization by inducing the SA-mediated pathway.pt_BR
AfiliaciónInstituto Agronômico de Campinas. Laboratório de Biotecnologia. Centro de Citricultura Sylvio Moreira. Cordeirópolis, SP, Brazil / Universidade Estadual de Campinas. Instituto de Biologia. Campinas, SP, Brazil.pt_BR
AfiliaciónInstituto Biológico. Laboratório de Bioquímica Fitopatológica.São Paulo, SP, Brazil.pt_BR
AfiliaciónInstituto Agronômico de Campinas. Laboratório de Biotecnologia. Centro de Citricultura Sylvio Moreira. Cordeirópolis, SP, Brazil.pt_BR
AfiliaciónFundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em DST/AIDS. Rio de Janeiro, RJ, Brasil.pt_BR
AfiliaciónUniversity of California. Department of Plant Pathology. Davis, CA, USA.pt_BR
AfiliaciónInstituto Biológico, São Paulo. Laboratório de Bioquímica Fitopatológica. São Paulo, SP, Brazil / Embrapa Mandioca e Fruticultura, Cruz das Almas, São Paulo, SP, Brazil.pt_BR
AfiliaciónInstituto Agronômico de Campinas. Laboratório de Biotecnologia. Centro de Citricultura Sylvio Moreira. Cordeirópolis, SP, Brazil.pt_BR
Palavras clave en InglêsPlant–herbivore interactionpt_BR
Palavras clave en InglêsPlant hormonespt_BR
Palavras clave en InglêsDefense pathwayspt_BR
Palavras clave en InglêsSalicylic acidpt_BR
Palavras clave en InglêsJasmonic acidpt_BR
Palavras clave en InglêsCross-talkpt_BR
Palavras clave en InglêsTetranychuspt_BR
Palavras clave en InglêsRNA-Seqpt_BR


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