Detection of Anaplasma / Ehrlichia Species of Cattle and Ticks in Aydın Region

BackgroundTick-borne diseases are increasing all over the word, including Turkey. The aim of this study was to determine the bacterial and protozoan vector-borne pathogens in ticks infesting humans in the Corum province of Turkey.Methodology/Principal findingsFrom March to November 2014 a total of 322 ticks were collected from patients who attended the local hospitals with tick bites. Ticks were screened by real time-PCR and PCR, and obtained amplicons were sequenced. The dedected tick was belonging to the genus Hyalomma, Haemaphysalis, Rhipicephalus, Dermacentor and Ixodes. A total of 17 microorganism species were identified in ticks. The most prevalent Rickettsia spp. were: R. aeschlimannii (19.5%), R. slovaca (4.5%), R. raoultii (2.2%), R. hoogstraalii (1.9%), R. sibirica subsp. mongolitimonae (1.2%), R. monacensis (0.31%), and Rickettsia spp. (1.2%). In addition, the following pathogens were identified: Borrelia afzelii (0.31%), Anaplasma spp. (0.31%), Ehrlichia spp. (0.93%), Babesia microti (0.93%), Babesia ovis (0.31%), Babesia occultans (3.4%), Theileria spp. (1.6%), Hepatozoon felis (0.31%), Hepatozoon canis (0.31%), and Hemolivia mauritanica (2.1%). All samples were negative for Francisella tularensis, Coxiella burnetii, Bartonella spp., Toxoplasma gondii and Leishmania spp.Conclusions/SignificanceTicks in Corum carry a large variety of human and zoonotic pathogens that were detected not only in known vectors, but showed a wider vector diversity. There is an increase in the prevalence of ticks infected with the spotted fever group and lymphangitis-associated rickettsiosis, while Ehrlichia spp. and Anaplasma spp. were reported for the first time from this region. B. microti was detected for the first time in Hyalomma marginatum infesting humans. The detection of B. occultans, B. ovis, Hepatozoon spp., Theileria spp. and Hemolivia mauritanica indicate the importance of these ticks as vectors of pathogens of veterinary importance, therefore patients with a tick infestation should be followed for a variety of pathogens with medical importance.

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Bacterial and protozoal pathogens found in ticks collected from humans in Corum province of Turkey

Karasartova

Güreser

Gökçe

et al. 2018

PLoS Negl Trop Dis

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Determining the analytical sensitivity of polymerase chain reaction targeting Ehrlichia spp. disulfide oxidoreductase gene: Molecular diagnosis of ehrlichiosis in a dog clinically suspected with leishmaniasis

Karakavuk

Aykur

Can

et al. 2022

Veteriner Hekimler Derneği Dergisi

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Ehrlichia spp. is tick-borne zoonotic pathogen that can infect humans and animals. Nowadays, among the tests used in the diagnosis of ehrlichiosis, the importance of molecular methods is increasing steadily due to their high sensitivity and specificity. The aim of this study was to determine the analytical sensitivity of a conventional polymerase chain reaction (PCR) targeting Ehrlichia spp. disulfide oxidoreductase (DSB) gene. Ehrlichia spp. DSB gene was cloned into the TOPO vector. After TOPO plasmid containing DSB gene were serially diluted, PCR targeting the Ehrlichia spp. DSB gene was performed. While working on this research, blood and skin scraping samples of a stray dog clinically suspected with leishmaniasis as well as treated for leishmaniasis arrived to our laboratory. Thereafter, PCRs targeting Ehrlichia spp. DSB and 16S rRNA and Leishmania kinetoplast DNA (kDNA) genes were performed to identify the pathogen in blood and skin scraping samples of the stray dog. The analytical sensitivity of the PCR assay targeting Ehrlichia spp. DSB gene was 1 ≥ copy plasmid/reaction using serially diluted TOPO plasmid containing DSB gene. PCR targeting the Ehrlichia spp. DSB gene was positive and PCR targeting Leishmania spp. kDNA was negative in blood and skin samples of the stray dog clinically suspected with leishmaniasis. Using nested PCR targeting Ehrlichia spp. 16S rRNA, E. canis was identified in blood and skin scraping samples of the stray dog. In this study, PCR targeting Ehrlichia spp. DSB gene has been shown to have high sensitivity. Also it was shown molecular methods can help clinicians in differential diagnosis of ehrlichiosis and leishmaniasis to prevent inappropriate treatment.

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Primary Tick-Borne Protozoan and Rickettsial Infections of Animals in Turkey

Ceylan

Sevinç

2021

Pathogens

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Parasitic diseases caused by ticks constitute a barrier on global animal production, mainly in tropical and subtropical regions. As a country with a temperate and subtropical climate, Turkey has topography, climate, and pasture resources, and these resources are suitable for animal breeding and parasite–host–vector relationships throughout the country. This geography restricts the regulations on animal movements in the southeastern and eastern Anatolia because of the close contact with the neighboring states. The livestock resources in Turkey are regulated by strong foundations. Almost 30% of the agriculture-based gross domestic product is provided by the livestock industry. Parasitic diseases arising from ticks are endemic in Turkey, and they have a significant impact on the economy and animal health, particularly for ruminants. The main and economically-important tick-borne diseases (TBDs) suffered by animals include theileriosis, babesiosis, hepatozoonosis, and cytauxzoonosis caused by protozoa, and anaplasmosis and ehrlichiosis caused by rickettsiae. The most common hemoprotozoan and rickettsial agents are Anaplasma marginale, Anaplasma ovis, Anaplasma phagocytophilum, Anaplasma platys, Babesia bigemina, Babesia caballi, Babesia ovis, Cytauxzoon felis, Ehrlichia canis, Hepatozoon canis, Theileria annulata and Theileria equi. These diseases are basically controlled through treatment and measures for tick control. Vaccination can be performed for only tropical theileriosis caused in Turkey. We reviewed the studies published in domestic and international journals to gather epidemiological data regarding the major TBDs suffered by animals in Turkey.

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Detection of Anaplasma / Ehrlichia Species of Cattle and Ticks in Aydın Region

Cited by 6 publications

References 24 publications

Bacterial and protozoal pathogens found in ticks collected from humans in Corum province of Turkey

Bacterial and protozoal pathogens found in ticks collected from humans in Corum province of Turkey

Determining the analytical sensitivity of polymerase chain reaction targeting Ehrlichia spp. disulfide oxidoreductase gene: Molecular diagnosis of ehrlichiosis in a dog clinically suspected with leishmaniasis

Primary Tick-Borne Protozoan and Rickettsial Infections of Animals in Turkey

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