The aim of this study was to investigate the presence of rickettsial pathogens in ticks from Central Italy. A total of 113 ticks hailed from Latium and Tuscany regions were identified and tested by PCR to detect gltA, ompA, ompB genes of Rickettsia. Positive amplicons were sequenced and identified at species level. Ticks were analyzed individually or in pools. The percentage of positivity for SFG rickettsiae was 12.4%, expressed as minimum infection rate (MIR) assuming that one tick was positive in each positive pool. Rickettsia aeschlimannii was detected in Hyalomma marginatum, Rickettsia monacensis in Ixodes ricinus and Rickettsia massiliae and Rickettsia conorii in Rhipicephalus sanguineus sensu lato. These findings confirm the circulation of pathogenic rickettsiae in Latium and Tuscany regions. To our knowledge this is the first report of R. massiliae in Latium region.

Scarpulla, M., Barlozzari, G., Marcario, A., Salvato, L., Blanda, V., De Liberato, C., et al. (2016). Molecular detection and characterization of spotted fever group rickettsiae in ticks from Central Italy. TICKS AND TICK-BORNE DISEASES, 7(5), 1052-1056 [10.1016/j.ttbdis.2016.06.003].

Molecular detection and characterization of spotted fever group rickettsiae in ticks from Central Italy

D'Agostini, C.;
2016-01-01

Abstract

The aim of this study was to investigate the presence of rickettsial pathogens in ticks from Central Italy. A total of 113 ticks hailed from Latium and Tuscany regions were identified and tested by PCR to detect gltA, ompA, ompB genes of Rickettsia. Positive amplicons were sequenced and identified at species level. Ticks were analyzed individually or in pools. The percentage of positivity for SFG rickettsiae was 12.4%, expressed as minimum infection rate (MIR) assuming that one tick was positive in each positive pool. Rickettsia aeschlimannii was detected in Hyalomma marginatum, Rickettsia monacensis in Ixodes ricinus and Rickettsia massiliae and Rickettsia conorii in Rhipicephalus sanguineus sensu lato. These findings confirm the circulation of pathogenic rickettsiae in Latium and Tuscany regions. To our knowledge this is the first report of R. massiliae in Latium region.
2016
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore MED/07
Settore MEDS-03/A - Microbiologia e microbiologia clinica
English
Italy; Ticks; Latium; Spotted fever group rickettsiae; Rickettsia massiliae; PCR
Scarpulla, M., Barlozzari, G., Marcario, A., Salvato, L., Blanda, V., De Liberato, C., et al. (2016). Molecular detection and characterization of spotted fever group rickettsiae in ticks from Central Italy. TICKS AND TICK-BORNE DISEASES, 7(5), 1052-1056 [10.1016/j.ttbdis.2016.06.003].
Scarpulla, M; Barlozzari, G; Marcario, A; Salvato, L; Blanda, V; De Liberato, C; D'Agostini, C; Torina, A; Macri, G
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/413264
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