Matteo Ripamonti

Matteo Ripamonti
Luxembourg Institute of Science and Technology (LIST) | LIST · Environmental Research & Innovation (ERIN)

Ph.D. Agricultural entomology
Plant pathogens and insect vectors: grapevine-leafhoppers-phytoplasmas, tomato&cucurbits-whiteflies-viruses

About

19
Publications
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Introduction
Plant pathogens and insect vectors: grapevine-leafhoppers-phytoplasmas, tomato&cucurbits-whiteflies-viruses

Publications

Publications (19)
Article
To study the role of wild areas around the vineyards in the epidemiology of flavescence dorée (FD) and track the origin of new foci, two phytoplasma genetic markers, dnaK and malG, were developed for FD phytoplasma (FDp) characterization. The two genes and the vmpA locus were used to genetically characterize FDp populations at seven agroecosystems...
Article
Full-text available
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 (FD). Seven sites were selected for the investigations in the Piedmont Region of Italy. They were characterized b...
Article
Aim of the work was to evaluate the susceptibility to Flavescence dorée (FD) of 12 Vitis vinifera cultivars, grown in Piedmont and representative of the wine making tradition of this area. The experiments were conducted under controlled conditions to ensure constant infection pressure. Test plants were ex-vitro potted vines, singly inoculated with...
Article
Full-text available
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. titanus transcriptome and injection of ATP synthase β dsRNAs into adults caused gene silencing, starting three...
Article
Scaphoideus titanus (Ball) is a grapevine-feeder leafhopper, and the most important vector of Flavescence dorée of grapevine (FD), a disease associated with phytoplasmas belonging to ribosomal subgroups 16Sr-V–C and –D. FD is a major constraint to viticulture in several European countries and, so far, its control has relied on roguing of infected p...
Article
Scaphoideus titanus (Ball) is a Nearctic leafhopper (Cicadellidae: Deltocephalinae), monophagous on Vitis spp., naturalized in European vineyards since the 20th century. Following its introduction and establishment in Europe, S. titanus became the main vector of Flavescence dorée phytoplasma (FDp) to grapevine. FDp causes heavy economic losses to v...
Preprint
Full-text available
Scaphoideus titanus (Ball) is a grapevine-feeder leafhopper, and the most important vector of Flavescence dorée of grapevine (FD), a disease associated with phytoplasmas belonging to ribosomal subgroups 16Sr-V–C and –D. FD is a major constraint to viticulture in several European countries and, so far, its control has relied on roguing of infected p...
Article
Full-text available
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 α and β subunits during phytoplasma infection of the vector species. Gene silencing of ATP synthase β was obtai...
Preprint
Full-text available
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 α and β subunits during phytoplasma infection of the vector species. Gene silencing of ATP synthase β was obtai...
Article
Full-text available
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 substitution with certified material. Some grapevine cultivars show a spontaneous remission of symptoms (recovery). To det...
Article
Aims: In this study, binding between the immunodominant membrane protein Imp of the 16SrV-D phytoplasma associated with Flavescence dorée disease (FD-Dp) and insect proteins of vectors and non-vectors of FD-Dp was tested. Methods and results: Six Auchenorrhyncha species, from distantly related groups were selected: Scaphoideus titanus, Euscelidi...
Article
Artificial diets represent an essential tool for investigations on the intimate relationship between plant pathogens and their vectors. Previous research failed in devising an artificial diet delivery system for the meadow spittlebug Philaenus spumarius, to date considered the most important vector of the bacterium Xylella fastidiosa in Europe. Her...
Article
The involvement of immunodominant membrane protein Imp of 16SrV-D phytoplasma (16SrV-Dp) in the interaction with insect proteins were investigated. The his-tagged Imp protein and a rabbit polyclonal antibody was produced and used in Far-Western dot Blot (FWdB) assays. Total Native Proteins were extracted from batches of six insect species (Scaphoid...
Article
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 phytoplasma and a laboratory vector of flavescence dorée phytoplasma. Phytoplasmas are insect-borne bacterial plant p...
Conference Paper
Philaenus spumarius, a highly polyphagous xylem-sap feeder spittlebug, is the only proven vector of the CoDiRO strain (subsp. pauca) of Xylella fastidiosa in the Apulian olive orchards. The presence of X. fastidiosa-infected plants (subsp. multiplex) has been recently reported in Corse and PACA Regions of France. The spittlebug is ubiquitous and lo...

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