Search Results - "João R. S. Lopes"

Species composition and prevalence of sharpshooters and spittlebugs potential vectors of Xylella fastidiosa in olive orchards of southeastern Brazil by Joyce A. Froza, Pedro H. A. Moura, Luiz F. O. Silva, Gabriel Mejdalani, João R. S. Lopes

“…ABSTRACT Xylem sap-feeding auchenorrhynchans, e.g. sharpshooters and spittlebugs (Hemiptera: Cicadellinae and Cercopoidea, respectively), are considered…”
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Retention Sites for Xylella fastidiosa in Four Sharpshooter Vectors (Hemiptera: Cicadellidae) Analyzed by Scanning Electron Microscopy by Alves, Eduardo, Leite, Breno, Marucci, Rosangela C, Pascholati, Sérgio F, Lopes, João R. S, Andersen, Peter C

“…Xylella fastidiosa is a xylem-limited bacterium that causes citrus variegated chlorosis (CVC), Pierce's disease of grapevine, and leaf scald of coffee and plum…”
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Phytoplasma SAP11 effector destabilization of TCP transcription factors differentially impact development and defence of Arabidopsis versus maize by Pecher, Pascal, Moro, Gabriele, Canale, Maria Cristina, Capdevielle, Sylvain, Singh, Archana, MacLean, Allyson, Sugio, Akiko, Kuo, Chih-Horng, Lopes, Joao R S, Hogenhout, Saskia A

“…Phytoplasmas are insect-transmitted bacterial pathogens that colonize a wide range of plant species, including vegetable and cereal crops, and herbaceous and…”
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Homologous Recombination and Xylella fastidiosa Host-Pathogen Associations in South America by Coletta-Filho, Helvécio D, Francisco, Carolina S, Lopes, João R S, Muller, Christiane, Almeida, Rodrigo P P

“…Homologous recombination affects the evolution of bacteria such as Xylella fastidiosa, a naturally competent plant pathogen that requires insect vectors for…”
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Temporal progression of 'Candidatus Liberibacter asiaticus' infection in citrus and acquisition efficiency by Diaphorina citri by Coletta-Filho, Helvecio D, Daugherty, Matthew P, Ferreira, Cléderson, Lopes, João R S

“…Over the last decade, the plant disease huanglongbing (HLB) has emerged as a primary threat to citrus production worldwide. HLB is associated with infection by…”
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Genetic Structure and Biology of Xylella fastidiosa Strains Causing Disease in Citrus and Coffee in Brazil by Almeida, Rodrigo P.P, Nascimento, Fernanda E, Chau, John, Prado, Simone S, Tsai, Chi-Wei, Lopes, Sílvio A, Lopes, Joao R.S

“…Xylella fastidiosa is a vector-borne, plant-pathogenic bacterium that causes disease in citrus (citrus variegated chlorosis [CVC]) and coffee (coffee leaf…”
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The psyllid fauna (Hemiptera: Psylloidea) of vegetable fields in Brazil by Kuhn, Taciana M de A, Burckhardt, Daniel, Queiroz, Dalva L, Antolínez, Carlos A, Teresani, Gabriela R, Lopes, João R S

“…Some psyllids transmit 'Candidatus Liberibacter solanacearum' (Lso), the causal agent of devastating plant diseases of cultivated Solanaceae and Apiaceae. The…”
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Thiamethoxam and imidacloprid drench applications on sweet orange nursery trees disrupt the feeding and settling behaviour of Diaphorina citri (Hemiptera: Liviidae) by Miranda, Marcelo P, Yamamoto, Pedro T, Garcia, Rafael B, Lopes, João PA, Lopes, João RS

“…BACKGROUND Chemical control is the method most used for management of Diaphorina citri, the vector of the phloem‐limited bacteria associated with citrus…”
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First Report of a Mastrevirus ( Geminiviridae ) Transmitted by the Corn Leafhopper by Vilanova, Euclides S, Ramos, Anderson, de Oliveira, Maria C Souza, Esteves, Mariana B, Gonçalves, Marcos C, Lopes, João R S

“…Maize striate mosaic virus (MSMV; genus ) was recently reported in maize plants in Brazil and also detected by metagenomic analyses in the corn leafhopper,…”
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Transmission Efficiency of Xylella fastidiosa by Sharpshooters (Hemiptera: Cicadellidae) in Coffee and Citrus by Marucci, Rosangela C, Lopes, João R. S, Cavichioli, Rodney R

“…Xylella fastidiosa (Wells, Raju, Hung, Weisburg, Mandelco-Paul, and Brenner) is a bacterial pathogen transmitted by several sharpshooters in two tribes of…”
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Distribution and Genetic Diversity of Xylella fastidiosa subsp. pauca Associated with Olive Quick Syndrome Symptoms in Southeastern Brazil by Safady, Nágela Gomes, Lopes, João R S, Francisco, Carolina S, Coletta-Filho, Helvécio Della

“…In Brazil, the host expansion of Xylella fastidiosa subsp. pauca was recently demonstrated with the report of diseased olive trees (Olea europaea), whose…”
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Complete Genome Sequence of "Candidatus Sulcia muelleri" ML, an Obligate Nutritional Symbiont of Maize Leafhopper (Dalbulus maidis) by Chang, Hsing-Hua, Cho, Shu-Ting, Canale, Maria C, Mugford, Sam T, Lopes, João R S, Hogenhout, Saskia A, Kuo, Chih-Horng

“…"Candidatus Sulcia muelleri" is a symbiont of sap-feeding insects in the suborder Auchenorrhyncha. The strain "Ca. Sulcia muelleri" ML is associated with the…”
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Context-dependent transmission of a generalist plant pathogen: host species and pathogen strain mediate insect vector competence by Lopes, João R. S., Daugherty, Matthew P., Almeida, Rodrigo P. P.

“…The specificity of pathogen–vector–host interactions is an important element of disease epidemiology. For generalist pathogens, different pathogen strains,…”
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Transmission Efficiency of Xylella fastidiosa subsp. pauca Sequence Types by Sharpshooter Vectors after In Vitro Acquisition by Esteves, Mariana B, Kleina, Heloisa T, Sales, Tiago de Melo, Oliveira, Thiago P, de Lara, Idemauro A R, Almeida, Rodrigo P P, Coletta-Filho, Helvécio D, Lopes, João R S

“…Xylella fastidiosa subsp. pauca is genetically diverse and has many vector species. However, there is limited information on vector specificity and efficiency…”
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Factors associated with Diaphorina citri immigration into commercial citrus orchards in São Paulo State, Brazil by Zorzenon, Fernando P. F., Tomaseto, Arthur F., Daugherty, Matthew P., Lopes, João R. S., Miranda, Marcelo P.

“…Seasonality often influences multiple aspects of vector‐borne plant diseases. With respect to the management of plant disease vectors, an understanding of the…”
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Strain-specific alfalfa water stress induced by Xylella fastidiosa by Daugherty, Matthew P, Lopes, Joao R. S, Almeida, Rodrigo P. P

“…Differences in the virulence of a pathogen among host species can occur because hosts differ in their resistance or tolerance to infection or because of…”
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THE BIOLOGY OF XYLEM FLUID-FEEDING INSECT VECTORS OF XYLELLA FASTIDIOSA AND THEIR RELATION TO DISEASE EPIDEMIOLOGY by Redak, Richard A, Purcell, Alexander H, Lopes, João R.S, Blua, Matthew J, Mizell III, Russell F, Andersen, Peter C

“…Xylophagous leafhopppers are common and abundant insects of tropical and subtropical environments and play important ecological roles in these ecosystems. The…”
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Latency and incubation of ‘Candidatus Liberibacter asiaticus’ in citrus after vector inoculation by Canale, Maria Cristina, Komada, Karen M. A., Lopes, João R. S.

“…Huanglongbing (HLB) is a bacterial disease of citrus, transmitted by the Asian citrus psyllid Diaphorina citri . In Brazil, the disease is managed by…”
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Tomato Infection by Whitefly-Transmitted Circulative and Non-Circulative Viruses Induce Contrasting Changes in Plant Volatiles and Vector Behaviour by Fereres, Alberto, Peñaflor, Maria Fernanda G V, Favaro, Carla F, Azevedo, Kamila E X, Landi, Carolina H, Maluta, Nathalie K P, Bento, José Mauricio S, Lopes, Joao R S

“…Virus infection frequently modifies plant phenotypes, leading to changes in behaviour and performance of their insect vectors in a way that transmission is…”
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Aphid transmission of maize yellow mosaic virus: an emerging polerovirus by Gonçalves, Marcos C., Ramos, Anderson, Nascimento, Thaina, Harakava, Ricardo, Duarte, Aildson P., Lopes, João R. S.

“…Maize yellow mosaic virus, provisionally referred to MaYMV, is a novel polerovirus reported in China, Brazil, Ecuador, and more recently in Africa. Despite the…”
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