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DETECTION OF XYLELLA FASTIDIOSA IN OLIVE TREES BY MOLECULAR AND SEROLOGICAL METHODS
TLDR
The identification of X. fastidiosa in OQDS-affected trees represents the first confirmed detection of this bacterium in the European Union (EU), but its exact role in the aetiology of this disease is yet to be determined.
Genetic variability and population structure of Grapevine leafroll-associated virus 3 isolates.
TLDR
Estimation of genetic diversity and phylogenetic analysis disclosed the possible existence of vines with mixed infections by diverging sequence variants, showing, in some cases, possible recombination events.
Genome-Wide Analysis Provides Evidence on the Genetic Relatedness of the Emergent Xylella fastidiosa Genotype in Italy to Isolates from Central America.
TLDR
A comparative analysis based on single nucleotide polymorphisms and the study of the pan-genome of the 27 currently public available whole genome sequences of X. fastidiosa found the clustering and distinctiveness of the ST53 isolates supports the hypothesis of their common origin, and the limited genetic diversity among these isolates suggests this is an emerging clade within subsp.
Detection of Olive-Infecting Viruses in the Mediterranean Basin
TLDR
Investigations were conducted for gathering information on the prevalence and distribution of olive viruses in the Mediterranean basin based on the presence of double stranded RNA (dsRNAs) and the three nepoviruses, OLYaV and OLV-1.
On the presence and distribution of olive viruses in Lebanon
TLDR
A survey for viruses was carried out in 2003 in the main olive-growing areas of Lebanon and a high variability was detected in the HSP70 gene of Lebanese and Italian OLYaV isolates, for at least nine different patterns were obtained when this genomic region was subjected to single-strand conformation polymorphism (SSCP) analysis.
Production and characterization of a monoclonal antibody specific to the M serotype of plum pox potyvirus
TLDR
A monoclonal antibody to an Albanian isolate of plum pox potyvirus (PPV) was obtained, that specifically recognized strain M of this virus, and is an useful addition to the panel of PPV-specific MAbs available to date.
Properties of Grapevine Fanleaf Virus
Summary Purified preparations of grapevine fanleaf virus consist of three serologically indistinguishable centrifugal components, T, M and B, with sedimentation coefficients of 50, 86 and 120S
Production of a monoclonal antibody specific to the El Amar strain of plum pox virus.
TLDR
There is now available a set of monoclonal antibodies which are highly specific to the four currently known groups of PPV strains, supporting the hypothesis of an additional specific PPV group.
Isolation and pathogenicity of Xylella fastidiosa associated to the olive quick decline syndrome in southern Italy
TLDR
Needle-inoculation experiments under different environmental conditions proved that the Salentinian isolate De Donno belonging to the subspecies pauca is able to multiply and systemically invade artificially inoculated hosts, reproducing symptoms observed in the field.
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