Marika Rossi
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View article: The impact of fatty acid synthase on HSV-1 infection dynamics
The impact of fatty acid synthase on HSV-1 infection dynamics Open
Herpes simplex virus type-1 (HSV-1) is a widespread human pathogen that relies on host cell pathways, including those involved in metabolism to support replication. Here, we demonstrate that de novo lipogenesis is essential for HSV-1 infec…
View article: Natterin-like and legumain insect gut proteins promote the multiplication of a vector-borne bacterial plant pathogen
Natterin-like and legumain insect gut proteins promote the multiplication of a vector-borne bacterial plant pathogen Open
Phytoplasmas are phloem-limited plant pathogenic bacteria causing diseases in many plant species. They are transmitted by Hemipteran insect species in a persistent-propagative manner. Phytoplasmas are wall-less, and their membrane proteins…
View article: Lab-scale method for plant-mediated delivery of dsRNAs to phloem-feeding leafhoppers
Lab-scale method for plant-mediated delivery of dsRNAs to phloem-feeding leafhoppers Open
RNA interference (RNAi) regulates gene expression in eukaryotes, and it is an emerging tool in crop protection by exogenous applications of double-stranded RNAs (dsRNAs) to silence the expression of essential pest genes. Nevertheless, deli…
View article: Competition among Flavescence Dorée Phytoplasma Strains in the Experimental Insect Vector Euscelidius variegatus
Competition among Flavescence Dorée Phytoplasma Strains in the Experimental Insect Vector Euscelidius variegatus Open
Phytoplasmas are plant pathogenic wall-less bacteria transmitted in a persistent propagative manner by hemipteran insects, mainly belonging to the suborder Auchenorrhyncha (Fulgoromorpha and Cicadomorpha). Flavescence dorée (FD) is a quara…
View article: Metatranscriptomic Assessment of the Microbial Community Associated With the Flavescence dorée Phytoplasma Insect Vector Scaphoideus titanus
Metatranscriptomic Assessment of the Microbial Community Associated With the Flavescence dorée Phytoplasma Insect Vector Scaphoideus titanus Open
Phytoplasmas are insect-borne pathogenic bacteria that cause major economic losses to several crops worldwide. The dynamic microbial community associated with insect vectors influences several aspects of their biology, including their vect…
View article: Silencing of ATP Synthase β Impairs Egg Development in the Leafhopper Scaphoideus titanus, Vector of the Phytoplasma Associated with Grapevine Flavescence Dorée
Silencing of ATP Synthase β Impairs Egg Development in the Leafhopper Scaphoideus titanus, Vector of the Phytoplasma Associated with Grapevine Flavescence Dorée Open
Scaphoideus titanus (Hemiptera: Cicadellidae) is the natural vector of Flavescence dorée phytoplasma, a quarantine pest of grapevine with severe impact on European viticulture. RNA interference (RNAi) machinery components are present in S.…
View article: Silencing of ATP synthase β induces female sterility in a leafhopper phytoplasma vector
Silencing of ATP synthase β induces female sterility in a leafhopper phytoplasma vector Open
The leafhopper Euscelidius variegatus Kirschbaum (Hemiptera: Cicadellidae) is a natural vector of the 'Candidatus Phytoplasma asteris' and a laboratory vector of the phytoplasma associated with grapevine Flavescence dorée.Previous studies …
View article: Bacteriophage-Host Association in the Phytoplasma Insect Vector Euscelidius variegatus
Bacteriophage-Host Association in the Phytoplasma Insect Vector Euscelidius variegatus Open
Insect vectors transmit viruses and bacteria that can cause severe diseases in plants and economic losses due to a decrease in crop production. Insect vectors, like all other organisms, are colonized by a community of various microorganism…
View article: Competitive Exclusion of Flavescence dorée Phytoplasma Strains in Catharanthus roseus Plants
Competitive Exclusion of Flavescence dorée Phytoplasma Strains in Catharanthus roseus Plants Open
Flavescence dorée phytoplasmas (FDp, 16SrV-C and -D) are plant pathogenic non-cultivable bacteria associated with a severe grapevine disease. The incidence of the two reference strains on cultivated grapevines is unbalanced, and mixed infe…
View article: Silencing of ATP synthase β reduces phytoplasma multiplication in the leafhopper vector<i>Euscelidius variegatus</i>
Silencing of ATP synthase β reduces phytoplasma multiplication in the leafhopper vector<i>Euscelidius variegatus</i> Open
The leafhopper Euscelidius variegatus is a natural vector of the chrysanthemum yellows phytoplasma (CYp) and a laboratory vector of the Flavescence dorée phytoplasma (FDp). Previous studies indicated a crucial role for insect ATP synthase …
View article: Recovery from Grapevine Flavescence Dorée in Areas of High Infection Pressure
Recovery from Grapevine Flavescence Dorée in Areas of High Infection Pressure Open
Flavescence dorée (FD) is a quarantine grapevine disease caused by a phytoplasma transmitted by the leafhopper Scaphoideus titanus Ball. FD management relies on compulsory insecticide treatments, roguing of infected plants, and substitutio…
View article: Prevalence of Flavescence Dorée Phytoplasma-Infected Scaphoideus titanus in Different Vineyard Agroecosystems of Northwestern Italy
Prevalence of Flavescence Dorée Phytoplasma-Infected Scaphoideus titanus in Different Vineyard Agroecosystems of Northwestern Italy Open
Quantitative estimates of vector populations and their infectivity in the wild and in cultivated compartments of agroecosystems have been carried out to elucidate the role of the wild compartment in the epidemiology of Flavescence dorée (F…
View article: Biological characterization of Euscelidius variegatus iflavirus 1
Biological characterization of Euscelidius variegatus iflavirus 1 Open
Virus-based biocontrol technologies represent sustainable alternatives to pesticides and insecticides. Phytoplasmas are prokaryotic plant pathogens causing severe losses to crops worldwide. Novel approaches are needed since insecticides ag…
View article: Evidence suggesting interactions between immunodominant membrane protein Imp of Flavescence dorée phytoplasma and protein extracts from distantly related insect species
Evidence suggesting interactions between immunodominant membrane protein Imp of Flavescence dorée phytoplasma and protein extracts from distantly related insect species Open
Integrating knowledge on host-pathogen protein-protein interactions and on insect phylogeny would help to identify the actual range of vectors of phytoplasma strains of economic importance.
View article: Genetic Diversity of Flavescence Dorée Phytoplasmas at the Vineyard Scale
Genetic Diversity of Flavescence Dorée Phytoplasmas at the Vineyard Scale Open
Flavescence dorée, a threatening disease of grapevine caused by FD phytoplasma (FDp), is distributed within the most important wine-producing areas of Europe and has severe effects on both vineyard productivity and landscape management. FD…
View article: RNA interference of muscle actin and ATP synthase beta increases mortality of the phytoplasma vector <i>Euscelidius variegatus</i>
RNA interference of muscle actin and ATP synthase beta increases mortality of the phytoplasma vector <i>Euscelidius variegatus</i> Open
BACKGROUND RNA interference (RNAi) techniques have emerged as powerful tools to develop novel management strategies for the control of insect pests. The leafhopper Euscelidius variegatus is a natural vector of chrysanthemum yellows phytopl…
View article: miRVIT: A Novel miRNA Database and Its Application to Uncover Vitis Responses to Flavescence dorée Infection
miRVIT: A Novel miRNA Database and Its Application to Uncover Vitis Responses to Flavescence dorée Infection Open
Micro(mi)RNAs play crucial roles in plant developmental processes and in defense responses to biotic and abiotic stresses. In the last years, many works on small RNAs in grapevine (Vitis spp.) were published, and several conserved and puta…
View article: Two Phytoplasmas Elicit Different Responses in the Insect Vector Euscelidius variegatus Kirschbaum
Two Phytoplasmas Elicit Different Responses in the Insect Vector Euscelidius variegatus Kirschbaum Open
Phytoplasmas are plant-pathogenic bacteria transmitted by hemipteran insects. The leafhopper Euscelidius variegatus is a natural vector of chrysanthemum yellows phytoplasma (CYp) and a laboratory vector of flavescence dorée phytoplasma (FD…