| Title: | First molecular evidence of Leishmania parasites in sand flies (Diptera: Phlebotominae) from Slovenia |
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| Authors: | ID Bongiorno, Gioia (Author)
ID Adam, Katja (Author)
ID Bernardini, Ilaria (Author)
ID Mangiapelo, Claudia (Author)
ID Fiorentino, Eleonora (Author)
ID Di Muccio, Trentina (Author)
ID Ivović, Vladimir (Author) |
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| Files: |  RAZ_Bongiorno_Gioia_2025.pdf (1,30 MB)
MD5: 6277DC39FD6B990F2090874378C52F42
 https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-025-07006-4
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FAMNIT - Faculty of Mathematics, Science and Information Technologies
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| Abstract: | Background Sand flies (Diptera: Phlebotominae) are vectors of Leishmania spp., protozoan parasites that cause leish- maniasis, a zoonosis endemic in the Mediterranean region. Although Slovenia is not considered endemic, its proximity to affected areas and the presence of competent vectors underscore the importance of entomological surveillance. As part of the CLIMOS project, we investigated sand fly species composition, seasonal abundance, and the presence of Leishmania parasites at two sites in southwestern Slovenia: Cetore and Velike Žablje. Methods From May to October 2023, adult sand flies were collected using Centers for Disease Control and Preven- tion (CDC) miniature light traps. Specimens were morphologically identified and screened for Leishmania spp. DNA using quantitative polymerase chain reaction (PCR) targeted kinetoplast DNA, followed by species confirmation with ITS-1 nested PCR and restriction fragment length polymorphism (RFLP) analysis. Results A total of 274 sand flies were collected, predominantly Phlebotomus neglectus, P. perniciosus, and P. mascittii. Abundance peaked in July in Cetore and August in Velike Žablje, likely reflecting local climatic differences. Among 25 pools of female sand flies analyzed, Leishmania DNA was detected in three pools (12.0%), specifically in P. neglectus and P. mascittii. The cycle threshold values (Ct 35–37) indicated low parasite DNA loads. ITS-1 amplification was unsuc- cessful, likely due to low DNA concentration. Conclusions This study provides the first molecular evidence of Leishmania DNA in sand flies from Slovenia. The detection of Leishmania in P. mascittii, a species with uncertain vector competence, is particularly noteworthy and warrants further investigation. Although species identification of the parasite was not possible, the findings suggest potential for autochthonous transmission and highlight the need for continued surveillance and research in the region. |
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| Keywords: | sand flies, Leishmania, Slovenia, vector surveillance, seasonality |
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| Publication date: | 22.08.2025 |
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| Year of publishing: | 2025 |
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| Number of pages: | str. 1-8 |
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| Numbering: | ǂVol.ǂ18, article no. ǂ359 |
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| PID: | 20.500.12556/RUP-21626  |
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| UDC: | 595.77 |
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| ISSN on article: | 1756-3305 |
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| DOI: | 10.1186/s13071-025-07006-4 |
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| COBISS.SI-ID: | 246939395 |
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| Publication date in RUP: | 28.08.2025 |
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| Views: | 471 |
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| Downloads: | 4 |
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