{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T07:40:33Z","timestamp":1792654833903,"version":"4.5.0"},"reference-count":0,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2025,12,17]],"date-time":"2025-12-17T00:00:00Z","timestamp":1765929600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Parasitology"],"abstract":"Abstract<\/jats:title>\n \n Rattus rattus<\/jats:italic>\n is a known reservoir of zoonotic pathogens, including\n Bartonella<\/jats:italic>\n and\n Rickettsia<\/jats:italic>\n , transmitted by ectoparasites such as fleas, mites, lice and ticks. The circulation of\n Bartonella<\/jats:italic>\n and\n Rickettsia<\/jats:italic>\n in these vectors in Chile remains poorly characterized. To evaluate the association between ectoparasite abundance, prevalence and diversity (including lice, fleas, mites and ticks) and the presence of\n Bartonella<\/jats:italic>\n and\n Rickettsia<\/jats:italic>\n within ectoparasites collected from\n R. rattus<\/jats:italic>\n across different anthropogenic gradients in Chile, a total of 1,339 ectoparasites were collected from 411\u00a0\n R. rattus<\/jats:italic>\n individuals across 27 localities. Ectoparasites were identified morphologically, and molecular detection of bacteria was performed using conventional and qPCR, targeting multiple genetic markers. Haplotype diversity and phylogenetic relationships were assessed.\n Bartonella<\/jats:italic>\n and\n Rickettsia<\/jats:italic>\n DNA were detected in fleas, ticks, mites and lice of\n R. rattus<\/jats:italic>\n , with prevalence values reported separately for pooled and individually analysed ectoparasites.\n Bartonella tribocorum, B. rochalimae<\/jats:italic>\n and\n B. mastomydis<\/jats:italic>\n were identified.\n Rickettsia felis<\/jats:italic>\n was confirmed in multiple ectoparasite groups. High haplotype diversity was observed in\n Bartonella<\/jats:italic>\n but not in\n Rickettsia<\/jats:italic>\n . Urbanization and tick prevalence were negatively associated with\n Bartonella<\/jats:italic>\n occurrence; flea and tick prevalences were negatively associated with\n Rickettsia. Rattus rattus<\/jats:italic>\n and their ectoparasites harbour a diverse range of potentially zoonotic\n Bartonella<\/jats:italic>\n and\n Rickettsia<\/jats:italic>\n species. These findings highlight the need for integrated surveillance and vector control strategies, especially in areas with variable human-wildlife interaction.\n <\/jats:p>","DOI":"10.1017\/s0031182025101406","type":"journal-article","created":{"date-parts":[[2025,12,17]],"date-time":"2025-12-17T14:30:52Z","timestamp":1765981852000},"page":"1-19","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":2,"title":["Ectoparasite-borne\n Bartonella<\/i>\n and\n Rickettsia<\/i>\n in Chilean populations of\n Rattus rattus<\/i>\n : prevalence, genetic diversity and environmental associations"],"prefix":"10.1017","author":[{"given":"Elaine Monalize","family":"Serafim de Castro","sequence":"first","affiliation":[{"name":"Universidad de Concepci\u00f3n"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2100-6594","authenticated-orcid":false,"given":"Ananda","family":"M\u00fcller","sequence":"additional","affiliation":[{"name":"Lewyt College of Veterinary Medicine, Long Island University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ricardo","family":"Guti\u00e9rrez","sequence":"additional","affiliation":[{"name":"One Health Center for Zoonoses and Tropical Veterinary Medicine, Ross University, School of Veterinary Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda Carolina","family":"Silva-de la Fuente","sequence":"additional","affiliation":[{"name":"Universidad Cat\u00f3lica del Maule"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebasti\u00e1n","family":"Mu\u00f1oz-Leal","sequence":"additional","affiliation":[{"name":"Universidad de Concepci\u00f3n"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mario","family":"Espinoza-Carniglia","sequence":"additional","affiliation":[{"name":"Universidad Nacional de La Plata"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3159-4916","authenticated-orcid":false,"given":"Lucila","family":"Moreno","sequence":"additional","affiliation":[{"name":"Universidad de Concepci\u00f3n"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2025,12,17]]},"container-title":["Parasitology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0031182025101406","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T07:34:05Z","timestamp":1768203245000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0031182025101406\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,12,17]]},"references-count":0,"alternative-id":["S0031182025101406"],"URL":"https:\/\/doi.org\/10.1017\/s0031182025101406","relation":{},"ISSN":["0031-1820","1469-8161"],"issn-type":[{"value":"0031-1820","type":"print"},{"value":"1469-8161","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,12,17]]},"assertion":[{"value":"\u00a9 The Author(s), 2025. Published by Cambridge University Press.","name":"copyright","label":"Copyright","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http:\/\/creativecommons.org\/licenses\/by\/4.0), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.","name":"license","label":"License","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This content has been made available to all.","name":"free","label":"Free to read"}]}}