Rickettsia spp. and Anaplasmataceae in Ticks From Domestic Animals in Northern Colombia.

IF 2.4 2区 农林科学 Q3 INFECTIOUS DISEASES
Maria Badillo-Viloria, Salim Mattar, Susana Remesar, Steffania de la Rosa-Jaramillo, Ignacio García-Bocanegra, Jorge Miranda, Aránzazu Portillo, Cristina Cervera-Acedo, José Antonio Oteo, David Cano-Terriza
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引用次数: 0

Abstract

Introduction: Tick-borne diseases have a significant impact on public and animal health and represent a considerable financial burden on livestock farming. However, in many regions of Latin America, comprehensive epidemiological data, including species identification, geographical distribution and molecular profiling of ticks and their associated pathogens, remain scarce. The aims of the present study were: 1) to establish the distribution of tick species collected from domestic animals and 2) to molecularly characterise the rickettsial bacteria present in ticks from the department of Atlántico, area Caribe, Colombia.

Methods: Between January 2021 and March 2022, ticks were collected from 216 cattle and 72 sympatric domestic animals (38 dogs, 31 equids and 3 goats) on 28 farms. Specimens were identified and grouped into 297 pools. Molecular detection and characterisation of the pathogens were carried out by targeting the partial gltA, ompA, ompB and 16S rRNA genes of Rickettsia and the partial 23S rRNA and 16S rRNA genes of Anaplasmataceae.

Results: A total of 1541 ticks were collected, and four species belonging to the genera Rhipicephalus, Dermacentor and Amblyomma were identified. A total of 137 out of 288 animals (47.6%) were infested with a mean infection rate of 9.7 ± SD 6.8 ticks per animal. Rickettsia spp. and Anaplasmataceae DNA were detected in 2.7% (MIR: 0.5%) and 15.5% (MIR: 0.3%) of the tick pools, respectively. The obtained sequences showed high nucleotide identity (99%-100%) with sequences of Candidatus Rickettsia colombiensis, Anaplasma marginale, Anaplasma platys, Ehrlichia canis and Ehrlichia minasensis.

Conclusion: Our data represent the first description of Dermacentor nitens and Amblyomma patinoi in the Atlantic region of the Colombian Caribbean. Considering the risk that the tick and rickettsial species represent for public and animal health, monitoring and control programmes are necessary to prevent the spread of tick-borne pathogenic bacteria to humans.

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来源期刊
Zoonoses and Public Health
Zoonoses and Public Health 医学-传染病学
CiteScore
5.30
自引率
4.20%
发文量
115
审稿时长
6-12 weeks
期刊介绍: Zoonoses and Public Health brings together veterinary and human health researchers and policy-makers by providing a venue for publishing integrated and global approaches to zoonoses and public health. The Editors will consider papers that focus on timely collaborative and multi-disciplinary research in zoonoses and public health. This journal provides rapid publication of original papers, reviews, and potential discussion papers embracing this collaborative spirit. Papers should advance the scientific knowledge of the sources, transmission, prevention and control of zoonoses and be authored by scientists with expertise in areas such as microbiology, virology, parasitology and epidemiology. Articles that incorporate recent data into new methods, applications, or approaches (e.g. statistical modeling) which enhance public health are strongly encouraged.
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