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Nangru A, Maharana BR, Vohra S, Kumar B, Ganguly A, Sahu S, Singh H, Ruhil S, Khichar V. Identification, molecular characterization and risk factors of Theileria infection among sheep: a first comprehensive report from North India. Anim Biotechnol 2023; 34:3658-3670. [PMID: 36946877 DOI: 10.1080/10495398.2023.2189928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
The present study was aimed at the identification, molecular characterization, and risk factor assessment of Theileria infection among sheep of Haryana province, north India. A total of 402 blood samples were collected from three different climatic zones of Haryana from March 2020 to September 2021. Light microscopy of blood smears revealed Theileria spp. infection in 47.26% (n = 190), while 60.94% (n = 245) of blood samples were positive using nested PCR. Extensive molecular characterization of Theileria infection using four pairs of species-specific primers indicated the dominance of T. ovis (29.1%) followed by T. lestoquardi (12.69%), T. luwenshuni (5.97%) and T. annulata (1.49%). Mixed infection was detected in 11.69% of cases. Bidirectional sequencing and phylogeny further confirmed the presence of these four Theileria spp. in the investigated area under study. Hematology indicated a significant (p < 0.01) reduction in various haematological indices of animals infected with T. luwenshuni and T. lestoquardi compared to the healthy control group. Risk factors like age, sex, and zone were significantly associated with Theileria infection in sheep. The present investigation depicts the first comprehensive molecular report of ovine Theileria spp., which warrants further study to develop suitable control strategies against these haemoparasitic infections.
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Affiliation(s)
- Aman Nangru
- Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | | | - Sukhdeep Vohra
- Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | - Binod Kumar
- College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, India
| | - Anita Ganguly
- Referral Veterinary Diagnostic and Extension Centre, LUVAS, Karnal, India
| | - Subhasish Sahu
- College of Veterinary Science and Animal Husbandry, OUAT, Bhubaneswar, India
| | - Harpreet Singh
- Referral Veterinary Diagnostic and Extension Centre, LUVAS, Karnal, India
| | - Swati Ruhil
- Referral Veterinary Diagnostic and Extension Centre, LUVAS, Karnal, India
| | - Vikas Khichar
- Department of Animal Husbandry and Dairying, Government of Haryana, Chandigarh, India
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Ma Z, Ceylan O, Galon EM, Mohanta UK, Ji S, Li H, Do TT, Umemiya-Shirafuji R, El-Sayed SAES, Zafar I, Liu M, Sevinc F, Xuan X. Molecular Identification of Piroplasmids in Ticks from Infested Small Ruminants in Konya Province, Turkey. Pathogens 2023; 12:1123. [PMID: 37764931 PMCID: PMC10537647 DOI: 10.3390/pathogens12091123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 08/28/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
Ticks play a pivotal role in propagating a diverse spectrum of infectious agents that detrimentally affect the health of both humans and animals. In the present study, a molecular survey was executed of piroplasmids in ticks collected from small ruminants in four districts within Konya province, Turkey. Microscopic examination identified 1281 adult ticks, which were categorized into 357 pools based on their species, sexes, host animals, and collection site before DNA extraction. The infection rates were calculated by using a maximum likelihood estimate (MLE) with 95% confidence intervals (CI). Hyalomma detritum, H. excavatum, Rhipicephalus bursa, R. sanguineus, and R. turanicus were identified in this study. Among the five tick species identified here, R. turanicus exhibited the highest infestation rate in both goats and sheep. The presence of Babesia ovis and Theileria ovis based on 18S rRNA was confirmed using molecular assay. The overall MLE of infection rates for B. ovis and T. ovis was 2.49% (CI 1.72-3.46) and 1.46% (CI 0.87-2.23), respectively. The MLE of B. ovis and T. ovis infection rates in R. bursa was 10.80% (CI 7.43-14.90) and 0.33% (CI 0.02-1.42), respectively, while that in R. turanicus was 0.12% (CI 0.01-0.51) and 2.08% (CI 1.25-3.22). This study further confirms that R. turanicus and R. sanguineus can act as vectors for B. ovis, thus advancing our comprehension of tick-borne piroplasmids epidemiology and providing valuable insights for the development of effective control strategies for ticks and tick-borne diseases in Turkey.
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Affiliation(s)
- Zhuowei Ma
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
| | - Onur Ceylan
- Department of Parasitology, Faculty of Veterinary Medicine, Selcuk University, 42250 Konya, Turkey;
| | - Eloiza May Galon
- College of Veterinary Medicine and Biomedical Sciences, Cavite State University, Indang 4122, Philippines;
| | - Uday Kumar Mohanta
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
- Department of Microbiology and Parasitology, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, Bangladesh
| | - Shengwei Ji
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
| | - Hang Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
| | - Thanh Thom Do
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
| | - Rika Umemiya-Shirafuji
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Iqra Zafar
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
| | - Mingming Liu
- School of Basic Medicine, Hubei University of Arts and Science, Xiangyang 441053, China
| | - Ferda Sevinc
- Department of Parasitology, Faculty of Veterinary Medicine, Selcuk University, 42250 Konya, Turkey;
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (Z.M.); (U.K.M.); (S.J.); (H.L.); (T.T.D.); (R.U.-S.); (S.A.E.-S.E.-S.); (I.Z.); (X.X.)
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Altay K, Erol U, Sahin OF, Aydin MF, Aytmirzakizi A, Dumanli N. First Molecular Evidence of Babesia vogeli, Babesia vulpes, and Theileria ovis in Dogs from Kyrgyzstan. Pathogens 2023; 12:1046. [PMID: 37624006 PMCID: PMC10460036 DOI: 10.3390/pathogens12081046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 08/26/2023] Open
Abstract
Tick-borne parasitic diseases cause mild to severe infections among vertebrate hosts, including dogs. Species in the genus Babesia are important tick-borne pathogens and have worldwide distributions. Although there are data on the prevalence and distribution of Babesia species among dogs around the world, there is no information available in Kyrgyzstan, according to a literature review. In this study, 337 dogs were screened by nested PCR for the presence of the 18S small subunit ribosomal RNA (18S SSU rRNA) gene of piroplasm species. Overall prevalence was 6.23% (21/337) for Babesia/Theileria spp. DNA sequencing of positively tested samples revealed that eighteen samples were infected with Babesia vogeli (B. vogeli) (5.34%), two samples with B. vulpes (0.59%), and one sample with Theileria ovis (T. ovis) (0.29%). The phylogenetic analyses and nucleotide sequences in contrast with those present in GenBank revealed that two nucleotide substitutions (594th and 627th) were found between B. vogeli isolates, including ours, indicating that the mutation is relatively rare. The sequences of other pathogens obtained in this study confirmed 100% nucleotide identity with B. vulpes and T. ovis sequences in GenBank. To the best of our knowledge, B. vogeli, B. vulpes, and T. ovis were detected for the first time in dogs from Kyrgyzstan, and it is thought that results will contribute to the understanding of the epidemiology of canine tick-borne pathogens in the country.
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Affiliation(s)
- Kursat Altay
- Department of Parasitology, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, 58140 Sivas, Türkiye; (U.E.); (O.F.S.)
| | - Ufuk Erol
- Department of Parasitology, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, 58140 Sivas, Türkiye; (U.E.); (O.F.S.)
| | - Omer Faruk Sahin
- Department of Parasitology, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, 58140 Sivas, Türkiye; (U.E.); (O.F.S.)
| | - Mehmet Fatih Aydin
- Department of Public Health, Faculty of Health Sciences, Karamanoğlu Mehmetbey University, 70100 Karaman, Türkiye;
| | - Ayperi Aytmirzakizi
- Faculty of Veterinary Medicine, Kyrgyz-Turkish Manas University, Bishkek 720044, Kyrgyzstan;
| | - Nazir Dumanli
- Department of Parasitology, Faculty of Veterinary Medicine, Firat University, 23119 Elazig, Türkiye;
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Orkun Ö. Comprehensive screening of tick-borne microorganisms indicates that a great variety of pathogens are circulating between hard ticks (Ixodoidea: Ixodidae) and domestic ruminants in natural foci of Anatolia. Ticks Tick Borne Dis 2022; 13:102027. [PMID: 35970093 DOI: 10.1016/j.ttbdis.2022.102027] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/27/2022] [Accepted: 07/29/2022] [Indexed: 11/17/2022]
Abstract
Grazing domestic ruminants serve as important reservoirs and/or amplificatory hosts in the ecology of tick-borne pathogens (TBPs) and tick vectors in the natural foci; however, many enzootic life cycles including ruminants and ticks are still unknown. This study investigated a wide range of TBPs circulating among ticks and grazing ruminants in the natural foci of Anatolia, Turkey. Tick specimens (n = 1815) were collected from cattle, sheep, and goats in three ecologically distinct areas (wooded, transitional, and semi-arid zones) of Anatolia and identified by species: Dermacentor marginatus, Dermacentor reticulatus, Hyalomma anatolicum, Hyalomma excavatum, Hyalomma marginatum, Hyalomma scupense, Haemaphysalis inermis, Haemaphysalis parva, Haemaphysalis punctata, Haemaphysalis sulcata, Ixodes ricinus, Rhipicephalus bursa, and Rhipicephalus turanicus. PCR-sequencing analyses revealed TBPs of great diversity, with 32 different agents identified in the ticks: six Babesia spp. (Babesia occultans, Babesia crassa, Babesia microti, Babesia rossi, Babesia sp. tavsan1, and Babesia sp. Ucbas); four Theileria spp., including one putative novel species (Theileria annulata, Theileria orientalis, Theileria ovis, and Theileria sp.); one Hepatozoon sp.; four Anaplasma spp., including one novel genotype (Anaplasma phagocytophilum, Anaplasma marginale, Anaplasma ovis, and Anaplasma sp.); six unnamed Ehrlichia spp. genotypes; Neoehrlichia mikurensis; nine spotted fever group rickettsiae, including one putative novel species (Rickettsia aeschlimannii, Rickettsia slovaca, Rickettsia hoogstraalii, Rickettsia monacensis with strain IRS3, Rickettsia mongolitimonae, Rickettsia raoultii, Candidatus Rickettsia goldwasserii, Candidatus Rickettsia barbariae, and Rickettsia sp.); and Borrelia valaisiana. Detailed phylogenetic analyses showed that some of the detected pathogens represent more than one haplotype, potentially relating to the tick species or the host. Additionally, the presence of Neoehrlichia mikurensis, an emerging pathogen for humans, was reported for the first time in Turkey, expanding its geographical distribution. Consequently, this study describes some previously unknown tick-borne protozoan and bacterial species/genotypes and provides informative epidemiological data on TBPs, which are related to animal and human health, serving the one health concept.
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Affiliation(s)
- Ömer Orkun
- Ticks and Tick-Borne Diseases Research Laboratory, Department of Parasitology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey.
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Distribution of Tick-Borne Pathogens in Domestic Animals and Their Ticks in the Countries of the Mediterranean Basin between 2000 and 2021: A Systematic Review. Microorganisms 2022; 10:microorganisms10061236. [PMID: 35744755 PMCID: PMC9228937 DOI: 10.3390/microorganisms10061236] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 02/01/2023] Open
Abstract
Tick-borne pathogens (TBPs) include a wide range of bacteria, parasites and viruses that cause a large spectrum of animal, human and zoonotic tick-borne diseases (TBDs). The object of this review was to establish an inventory and an analysis of TBPs found in domestic animals in the countries of the Mediterranean Basin. This geographic area occupies a central position between several continents and is an area of movement for animals, humans and pathogens of interest and their vectors, which is important in terms of animal and human health. In this systematic review, we included a total of 271 publications produced between 2000–2021 concerning TBPs in domestic animals. Among this literature, we found a total of 90 pathogen species (known as TBPs) reported in the 20 countries of the area; these were detected in tick species from domestic animals and were also directly detected in domestic animals. In all, 31 tick species were recorded and 12 domestic animal species, the latter comprising nine livestock and three pet species. More than 50% of the publications were from Western Europe. Island data were extracted and assessed, as islands of the Mediterranean Basin were represented in 16% of the publications and 77.8% of the TBPs reported. Our results show the importance of islands in the monitoring of TBPs, despite the low percentage of publications.
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Molecular Detection and Differentiation of Different Theileria Species in Naturally Infected Goats Using Nested PCR-RFLP: A First Report from Northern India. Acta Parasitol 2022; 67:997-1006. [PMID: 35441980 DOI: 10.1007/s11686-022-00553-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 04/04/2022] [Indexed: 11/01/2022]
Abstract
PURPOSE Theileriosis is an economically important tick-borne pathogen with a serious impact on livestock health and productivity. Despite the fact that bovine theileriosis has been widely investigated, there exists a paucity of information on these infections in small ruminants, especially in India. The present study was carried out to detect and differentiate different Theileria spp. in goats using nested PCR RFLP. METHODS Blood samples and ticks were collected from 405 goats in various agro-climatic zones of Haryana state, India. The blood samples were screened by microscopy, nested PCR-RFLP, and sequence analysis. The nested PCR-RFLP was performed with four restriction enzymes viz., Hpa II, Bsh 1285I, Hae II and Rsa I. Six nested PCR amplicons with different RFLP patterns were sequenced and submitted to NCBI (OM666861, MZ220430, OM666628, MZ220437, OM666637, OM721806). RESULTS Microscopy revealed 18.27% (n = 74) infection with Theileria spp., while 33.58% (n = 136) of blood samples were confirmed positive by nested PCR. Out of 136 positive samples, 43.38% (n = 59), 11.02% (n = 15) and 20.58% (n = 28), were positive for T. ovis, T. lestoquardi and T. luwenshuni (Theileria sp. China 1), respectively. Mixed infection was detected in 25% (n = 34) cases. Based upon Hpa II digestion pattern, 13 samples with T. lestoquardi and T. ovis, and 21 samples with T. ovis and T. luwenshuni were detected. Sequence study further confirmed their identity. The majority of ticks collected from goats were identified as Rhipicephalus spp., Hyalomma anatolicum and Hemaphysalis spp. CONCLUSION This study represents the first confirmed molecular report of goats infected with T. ovis, T. lestoquardi, and T. luwenshuni from northern India.
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Shahedi A, Habibi G, Fathi S, Abdigoudarzi M, Afshari A, Bozorgi S, Chegini MR. Molecular identification of Theileria spp. in ruminants and ticks from southern littoral of Caspian Sea, Iran. Trop Anim Health Prod 2022; 54:157. [PMID: 35378637 DOI: 10.1007/s11250-022-03156-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 03/24/2022] [Indexed: 11/24/2022]
Abstract
The present study aimed at evaluating the presence of tick-borne apicomplexan parasites including Theileria ovis, Theileria lestoquardi, Theileria annulata, and Theileria orientalis in 92 cattle and 105 sheep from 6 different districts of Guilan and Mazandaran Provinces, in the southern littoral of Caspian Sea. Furthermore, ixodid ticks were collected from the same animals. Stained blood smears were microscopically evaluated for the presence of blood parasites, and a specific PCR was applied for the detection of Theileria species. Besides, ticks were subsequently examined by species-specific PCR. Microscopic examination of blood smears demonstrated no evidence of intraerythrocytic piroplasms. Species-specific diagnostic PCRs demonstrated that 52.17% of sheep blood samples were positive for T. ovis. In addition, 31.03% and 24.13% of cattle blood samples were positive for T. annulata and T. orientalis, respectively. Moreover, 3 species of the ixodid ticks, namely, Rhipicephalus annulatus (58.47%), Ixodes ricinus (29.82%), and Haemaphysalis inermis (11.69%), were identified in Guilan Province, while Hyalomma detritum (73.03%) and Rhipicephalus sanguineus (26.92%) were found in Mazandaran Province. Additionally, by obtaining the data with respect to tick-borne apicomplexan parasites in 122 infected ticks, 35.24%, 22.95%, and 2.45% of tick samples were positive for T. annulata, T. orientalis, and T. ovis, respectively. Species-specific PCR revealed that H. inermis and R. annulatus were positive for T. orientalis. In addition, T. annulata was found in R. annulatus, H. inermis, and H. detritum. Besides, T. ovis was the only species of Theileria found in R. sanguineus. In conclusion, the results revealed that T. annulata infection was prevalent among cattle and ovine theileriosis caused by T. ovis was the only Theileria species found in sheep in the studied areas of the southern littoral of Caspian Sea. R. annulatus, H. inermis, and H. detritum were the main vectors for T. annulata, followed by H. inermis and R. annulatus for T. orientalis, and R. sanguineus for T. ovis.
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Affiliation(s)
- Amin Shahedi
- Department of Parasite Vaccine Research and Production, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran.
| | - Gholamreza Habibi
- Department of Parasite Vaccine Research and Production, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Saeid Fathi
- Department of Parasite Vaccine Research and Production, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Mohammad Abdigoudarzi
- Department of Parasitology, Reference Laboratory for Ticks and Tick-Borne Diseases, Razi Vaccine and Serum Research Institute, Karaj, Iran
| | - Asghar Afshari
- Department of Parasite Vaccine Research and Production, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Soghra Bozorgi
- Department of Parasite Vaccine Research and Production, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Mohammad Reza Chegini
- Department of Parasite Vaccine Research and Production, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
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Khan A, Ahmed Muhammed A, Nasreen N, Iqbal F, Cossio-Bayugar R, ali Sha SS, Alanazi AD, Zajac Z. Tick-borne haemoparasitic diseases in small ruminants in Pakistan: Current knowledge and future perspectives. Saudi J Biol Sci 2022; 29:2014-2025. [PMID: 35531246 PMCID: PMC9072882 DOI: 10.1016/j.sjbs.2021.12.046] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/08/2021] [Accepted: 12/20/2021] [Indexed: 01/24/2023] Open
Abstract
Livestock industry is an essential part of Pakistan’s economy, and a variety of ruminants (including sheep and goats) are reared for the increasing demand of milk, meat and hide products. Haemoparasitic illnesses such as theileriosis, anaplasmosis, and babesiosis are a significant health risk for small ruminants in our country. Information regarding distribution patterns, the tick species involved and effective strategies to control tick-borne diseases (TBD) in goats and sheep of Pakistan is limited. To this end, it is required to assess the present rank of TBDs in small ruminants of Pakistan with a note on their vector ticks in order to control and identify the gaps in the knowledge of TBDs. This will recommend areas for future research and will add to the understanding of these diseases and will draw attention to the need for better-quality tools for the diagnosis and control of TBDs in small ruminants of Pakistan.
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Khan SS, Ahmed H, Afzal MS, Khan MR, Birtles RJ, Oliver JD. Epidemiology, Distribution and Identification of Ticks on Livestock in Pakistan. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19053024. [PMID: 35270717 PMCID: PMC8910082 DOI: 10.3390/ijerph19053024] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/27/2022] [Accepted: 03/01/2022] [Indexed: 02/04/2023]
Abstract
Background: Ticks are ectoparasites that transmit a variety of pathogens that cause many diseases in livestock which can result in skin damage, weight loss, anemia, reduced production of meat and milk, and mortality. Aim: The aim of this study was to identify tick species and the distribution on livestock hosts (sheep, goat, dairy cattle, and buffalo) of Punjab, Khyber Pakhtunkhwa Province and Islamabad from October 2019 to November 2020. Materials and Methods: Surveillance was performed to calculate the prevalence of ticks on livestock. Tick prevalence data (area, host, breed, gender, age, and seasonal infestation rate) was recorded and analyzed. Results: A total of 2080 animals were examined from selected farms, and, of these, 1129 animals were tick-infested. A total of 1010 male tick samples were identified to species using published keys. Haemaphysalis punctata, Haemaphysalis sulcata, Hyalomma anatolicum, Hyalomma detritum, Hyalomma dromedarii, Hyalomma excavatum, Hyalomma marginatum, Hyalomma rufipes, Rhipicephalus decoloratus Rhipicephalus microplus, and Rhipicephalus sanguineus were collected from goats, sheep, buffalo, and cattle. The overall rates of tick infestation on livestock were 34.83% (buffalo), 57.11% (cattle), 51.97% (sheep) and 46.94% (goats). Within each species, different breeds demonstrated different proportions of infestation. For cattle breeds, infestation proportions were as follows: Dhanni (98.73%), Jersey (70.84%) and the Australian breed of cattle (81.81%). The Neeli Ravi breed (40%) of buffalo and the Beetal breed (57.35%) of goats were the most highly infested for these species. Seasonally, the highest prevalence of infestation (76.78%) was observed in summer followed by 70.76% in spring, 45.29% in autumn, and 20% in winter. The prevalence of tick infestation in animals also varied by animal age. In goats, animals aged 4–6 years showed the highest prevalence (90%), but in cattle, the prevalence of ticks was highest (68.75%) in 6 months–1-year-old animals. 1–3 years old buffalo (41.07%) and 6 months–1 year sheep (65.78%) had the highest prevalence rate. Females had significantly higher infestation rates (61.12%, 55.56% and 49.26%, respectively) in cattle, sheep, and goats. In buffalo, males showed a higher prevalence (38.46%) rate. Conclusions: This study showed tick diversity, infestation rate, and numerous factors (season, age, and gender of host) influencing tick infestation rate in different breeds of cattle, sheep, goats, and buffalo in Punjab Province, Khyber Pakhtunkhwa Province, and Islamabad, Pakistan. Higher tick burdens and rates of tick-borne disease reduce production and productivity in animals. Understanding tick species’ prevalence and distribution will help to develop informed control measures.
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Affiliation(s)
- Sadia Salim Khan
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Chakh Shahzad, Islamabad 45550, Pakistan; (S.S.K.); (H.A.)
| | - Haroon Ahmed
- Department of Biosciences, COMSATS University Islamabad (CUI), Park Road, Chakh Shahzad, Islamabad 45550, Pakistan; (S.S.K.); (H.A.)
| | - Muhammad Sohail Afzal
- Department of Life Sciences, School of Science, University of Management & Technology (UMT), Lahore 54770, Pakistan;
| | - Mobushir Riaz Khan
- School of Environmental Science, Charles Sturt University, Albury, NSW 2640, Australia;
| | - Richard J. Birtles
- School of Science, Engineering and Environment, University of Salford, Salford M5 4NT, UK;
| | - Jonathan D. Oliver
- Environmental Health Sciences, School of Public Health, University of Minnesota, Minneapolis, MN 55455, USA
- Correspondence:
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Köseoğlu AE, Can H, Güvendi M, Erkunt Alak S, Kandemir Ç, Taşkın T, Demir S, Akgül G, Değirmenci Döşkaya A, Karakavuk M, Döşkaya M, Gürüz AY, Ün C. Molecular investigation of bacterial and protozoal pathogens in ticks collected from different hosts in Turkey. Parasit Vectors 2021; 14:270. [PMID: 34016174 PMCID: PMC8138928 DOI: 10.1186/s13071-021-04779-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/08/2021] [Indexed: 02/04/2023] Open
Abstract
Background The emergence of tick-borne disease is increasing because of the effects of the temperature rise driven by global warming. In Turkey, 19 pathogens transmitted by ticks to humans and animals have been reported. Based on this, this study aimed to investigate tick-borne pathogens including Hepatozoon spp., Theileria spp., Babesia spp., Anaplasma spp., Borrelia spp., and Bartonella spp. in tick samples (n = 110) collected from different hosts (dogs, cats, cattle, goats, sheep, and turtles) by molecular methods. Methods To meet this objective, ticks were identified morphologically at the genus level by microscopy; after DNA isolation, each tick sample was identified at the species level using the molecular method. Involved pathogens were then investigated by PCR method. Results Seven different tick species were identified including Rhipicephalus sanguineus, R. turanicus, R. bursa, Hyalomma marginatum, H. anatolicum, H. aegyptium, and Haemaphysalis erinacei. Among the analyzed ticks, Hepatozoon spp., Theileria spp., Babesia spp., and Anaplasma spp. were detected at rates of 6.36%, 16.3%, 1.81%, and 6.36%, respectively while Borrelia spp. and Bartonella spp. were not detected. Hepatozoon spp. was detected in R. sanguineus ticks while Theileria spp., Babesia spp., and Anaplasma spp. were detected in R. turanicus and H. marginatum. According to the results of sequence analyses applied for pathogen positive samples, Hepatozoon canis, Theileria ovis, Babesia caballi, and Anaplasma ovis were identified. Conclusion Theileria ovis and Anaplasma ovis were detected for the first time to our knowledge in H. marginatum and R. turanicus collected from Turkey, respectively. Also, B. caballi was detected for the first time to our knowledge in ticks in Turkey. ![]()
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Affiliation(s)
- Ahmet Efe Köseoğlu
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
| | - Hüseyin Can
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey.
| | - Mervenur Güvendi
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
| | - Sedef Erkunt Alak
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
| | - Çağrı Kandemir
- Department of Animal Science, Faculty of Agriculture, Ege University, Izmir, Turkey
| | - Turğay Taşkın
- Department of Animal Science, Faculty of Agriculture, Ege University, Izmir, Turkey
| | - Samiye Demir
- Zoology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
| | - Gülşah Akgül
- Department of Internal Medicine, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
| | | | | | - Mert Döşkaya
- Department of Parasitology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Adnan Yüksel Gürüz
- Department of Parasitology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Cemal Ün
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
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11
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Al-Hosary AA, ElSify A, Salama AA, Nayel M, Elkhtam A, Elmajdoub LO, Rizk MA, Hawash MM, Al-Wabel MA, Almuzaini AM, Ahmed LSED, Paramasivam A, Mickymaray S, Omar MA. Phylogenetic study of Theileria ovis and Theileria lestoquardi in sheep from Egypt: Molecular evidence and genetic characterization. Vet World 2021; 14:634-639. [PMID: 33935408 PMCID: PMC8076446 DOI: 10.14202/vetworld.2021.634-639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 02/01/2021] [Indexed: 12/31/2022] Open
Abstract
Background and Aim Ovine theileriosis caused by Theileria ovis and Theileria lestoquardi is an important infectious disease affecting small ruminants in regions of the tropic and subtropic zones. There is limited studies about ovine theileriosis in Egypt; so the present study aims to assess the occurrence of ovine theileriosis in Egypt at the molecular level. Materials and Methods Blood samples were collected from 115 randomly selected sheep, which were apparently healthy; the ages of the sampled sheep ranged from 1 to 5 years old, from a local breed (barkae and balade), and showed no symptoms indicating infection with Theileria spp. The study was conducted in three governorates representing Lower Egypt (Menoufia and Beheira) and Upper Egypt (El-Wady El-Geded). All blood samples were subjected to polymerase chain reaction (PCR) and semi-nested PCR to target Theileria spp. 18S rRNA genes. Positive samples were sequenced, and these sequences were analyzed using nucleotidebasic local alignment search tool (BLAST). Results Six animals (5.22%) were PCR-positive carriers for ovine theileriosis. Nucleotide BLAST and phylogenetic analyses of the six obtained sequences showed that T. ovis was present in five animals (4.37%) in Menoufia (n=2) and El-Wady El-Geded (n=3), whereas T. lestoquardi was detected in 1 animal (0.87%) in El-Wady El-Geded. Conclusion This study is the first to provide molecular evidence, genetic characterization, and phylogenetic analysis of ovine Theileria spp. in Egypt. Specifically, T. lestoquardi and T. ovis carrier statuses of sheep were confirmed. These results highlight the importance of developing an effective control strategy against ovine theileriosis carriers that might develop and/or spread theileriosis.
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Affiliation(s)
- Amira Adel Al-Hosary
- Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Assiut University, Assiut 71526, Egypt
| | - Ahmed ElSify
- Department of Animal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, University of Sadat City, Sadat City 32897, Menoufia, Egypt
| | - Akram A Salama
- Department of Animal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, University of Sadat City, Sadat City 32897, Menoufia, Egypt
| | - Mohamed Nayel
- Department of Animal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, University of Sadat City, Sadat City 32897, Menoufia, Egypt
| | - Ahmed Elkhtam
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sadat City, Menoufia 32897, Egypt
| | | | - Mohamed Abdo Rizk
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Manal Mohammed Hawash
- Department of Public Health, Faculty of Applied Medical Sciences, King Khalid University, Saudi Arabia.,Department of Gerontological Nursing, College of Nursing, Alexandria University, Egypt
| | - Mohammad Ali Al-Wabel
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, 51452 Qassim, Saudi Arabia
| | - Abdulaziz M Almuzaini
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, 51452 Qassim, Saudi Arabia
| | - Laila Salah El-Din Ahmed
- Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Assiut University, Assiut 71526, Egypt
| | - Anand Paramasivam
- Department of Basic Medical Sciences, College of Dentistry, Al-Zulfi, Majmaah University, Majmaah 11952, Riyadh Region, Saudi Arabia
| | - Suresh Mickymaray
- Department of Biology, College of Science, Al-Zulfi, Majmaah University, Majmaah 11952, Riyadh Region, Saudi Arabia
| | - Mosaab A Omar
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, 51452 Qassim, Saudi Arabia.,Department of Parasitology, Faculty of Veterinary Medicine, south valley university, Qena 83523, Egypt
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12
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Ceylan O, Xuan X, Sevinc F. Primary Tick-Borne Protozoan and Rickettsial Infections of Animals in Turkey. Pathogens 2021; 10:pathogens10020231. [PMID: 33669573 PMCID: PMC7923091 DOI: 10.3390/pathogens10020231] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/30/2021] [Accepted: 02/17/2021] [Indexed: 01/13/2023] Open
Abstract
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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Affiliation(s)
- Onur Ceylan
- Department of Parasitology, Faculty of Veterinary Medicine, Selcuk University, 42250 Konya, Turkey;
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan;
| | - Ferda Sevinc
- Department of Parasitology, Faculty of Veterinary Medicine, Selcuk University, 42250 Konya, Turkey;
- Correspondence: ; Tel.: +90-332-223-2687
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13
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Ceylan O, Byamukama B, Ceylan C, Galon EM, Liu M, Masatani T, Xuan X, Sevinc F. Tick-Borne Hemoparasites of Sheep: A Molecular Research in Turkey. Pathogens 2021; 10:pathogens10020162. [PMID: 33546428 PMCID: PMC7913608 DOI: 10.3390/pathogens10020162] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 12/01/2022] Open
Abstract
Tick-borne diseases (TBDs) indulge in severe economic losses in the livestock industry by adversely affecting the small ruminant breeding in tropical and subtropical zone countries, including Turkey. Turkey encompasses a wide land area representing diverse climatic conditions. The present study explored the presence and distribution of Babesia ovis, Theileria ovis, Theileria lestoquardi, Anaplasma ovis, Anaplasma phagocytophilum and the co-occurrence status of these pathogens. A total of 299 sheep blood samples were collected from fifteen provinces located in six different geographical regions in Turkey. PCR analyses were executed using species-specific primers based on Babesia ovis BoSSU rRNA, Theileria ovis ToSSU rRNA, Theileria lestoquardi 18S rRNA, Anaplasma ovis Major Surface Protein (AoMSP4), and Anaplasma phagocytophilum 16S rRNA genes. Overall, 219 (73.24%) sheep were found to be infected with at least one of the following protozoan and rickettsial pathogens; B. ovis, A. ovis,T. ovis, and A. phagocytophilum. Theileria lestoquardi was not detected in any blood sample. The global prevalence of B. ovis, A. ovis, T. ovis, and A. phagocytophilum was estimated to be 2.68%, 16.05%, 41.47%, and 57.19%, respectively. Besides this, dual (24.41%), triple (9.03%), and quadruple (0.67%) co-infections were detected in the study. Phylogenetic analysis revealed significant nucleotide sequence identities between the sequences obtained in this study and the sequences registered in the GenBank. This study provides relevant data regarding the predominance of ovine tick-borne protozoan and rickettsial agents in Turkey. A high molecular prevalence of tick-borne pathogens (TBPs) was identified in the study. This situation indicates that TBPs should be screened continuously, and necessary control measures should be taken to prevent diseases caused by tick-borne protozoan and rickettsial agents.
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Affiliation(s)
- Onur Ceylan
- Department of Parasiyology, Faculty of Veterinary Medicine, Selcuk University, 42250 Konya, Turkey; (O.C.); (C.C.)
| | - Benedicto Byamukama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; (B.B.); (E.M.G.); (M.L.)
| | - Ceylan Ceylan
- Department of Parasiyology, Faculty of Veterinary Medicine, Selcuk University, 42250 Konya, Turkey; (O.C.); (C.C.)
| | - Eloiza May Galon
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; (B.B.); (E.M.G.); (M.L.)
| | - Mingming Liu
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; (B.B.); (E.M.G.); (M.L.)
| | - Tatsunori Masatani
- Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan;
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; (B.B.); (E.M.G.); (M.L.)
- Correspondence: (X.X.); (F.S.)
| | - Ferda Sevinc
- Department of Parasiyology, Faculty of Veterinary Medicine, Selcuk University, 42250 Konya, Turkey; (O.C.); (C.C.)
- Correspondence: (X.X.); (F.S.)
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14
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Molecular Detection and Assessment of Risk Factors for Tick-Borne Diseases in Sheep and Goats from Turkey. Acta Parasitol 2020; 65:723-732. [PMID: 32378157 DOI: 10.2478/s11686-020-00207-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 03/25/2020] [Indexed: 01/18/2023]
Abstract
BACKGROUND Tick-borne diseases mainly, theileriosis, babesiosis and anaplasmosis cause significant economic losses in livestock globally, including Turkey. The tick-borne pathogens of small ruminants in Turkey have been studied widely but information on molecular characterization and disease occurrence is still limited. METHODS In this study, both microscopy and molecular detection and characterization for Theileria spp. Babesia ovis, Anaplasma ovis and Anaplasma phagocytophilum was conducted. A total of 133 blood samples of tick-infested small ruminants (105 sheep and 28 goats) were collected from Turkey: half of the animals had clinical signs of tick-borne disease infections. RESULTS Using PCR assays and microscopy, 90.2% and 45.1% of the samples were positive for at least one pathogen, respectively. Overall, the infection rates of A. phagocytophilum, B. ovis, A. ovis, Theileria spp. were 66.7%, 62.4%, 46.6% and 7.0%, respectively. Fifty-nine of the 133 (44.4%) samples were co-infected with two or more pathogens. Sex, season and B. ovis positivity were significant risk factors for occurrence of clinical disease. Sequence and phylogenetic analysis based on B. ovis 18S small subunit rRNA, A. ovis major surface protein 4, Theileria spp. 18S rRNA and A. phagocytophilum 16S rRNA genes showed that the isolates in this study clustered together in well-supported clades with those previously collected from Turkey and other countries. CONCLUSIONS The study shows B. ovis as the most significant pathogen associated with clinical and fatal cases in small ruminants from Turkey. Female sex and summer season are associated with increased risk of the disease. This study shows high infection rates with the pathogens among small ruminants including A. phagocytophilum which has veterinary and public health importance.
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15
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Li Y, Wen X, Li M, Moumouni PFA, Galon EM, Guo Q, Rizk MA, Liu M, Li J, Ji S, Tumwebaze MA, Byamukama B, Chahan B, Xuan X. Molecular detection of tick-borne pathogens harbored by ticks collected from livestock in the Xinjiang Uygur Autonomous Region, China. Ticks Tick Borne Dis 2020; 11:101478. [PMID: 32723638 DOI: 10.1016/j.ttbdis.2020.101478] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 05/19/2020] [Accepted: 05/25/2020] [Indexed: 12/19/2022]
Abstract
Ticks carry and transmit a wide range of pathogens (bacteria, viruses, and protozoa) that are of importance to humans and animals globally. However, information about the tick-borne pathogens harbored by ticks in the Xinjiang Uygur Autonomous Region (XUAR), northwestern China, is scarce. This study investigated the occurrence of tick species of domestic animals and tick-borne pathogens by using morphological molecular identification and sequence analysis in Turpan, Qitai, Altay, Hejing, Nileke, and Zhaosu counties (XUAR). A total of 5822 adult ticks (females and males) from 12 tick species were identified from 5 animal species (cattle, goats, sheep, camels, and horses) in 6 counties in the XUAR. Collected tick species included Dermacentor marginatus (24.7 %), Dermacentor nuttalli (20.8 %), Hyalomma anatolicum (13.7 %), Dermacentor niveus (13.1 %), Haemaphysalis punctata (10.7 %), Dermacentor silvarum (7.1 %), Dermacentor pavlovskyi (3.9 %), Hyalomma asiaticum (2.2 %), Rhipicephalus pumilio (1.9 %), Rhipicephalus sanguineus sensu lato (0.7 %), Rhipicephalus turanicus (0.6 %), and Hyalomma asiaticum kozlovi (0.6 %). Furthermore, 750 partially engorged adult ticks (females and males), including H. anatolicum (250), D. nuttalli (250), and D. marginatus (250), were individually separated according to species and sampling site, used for DNA extraction, and then screened for tick-borne pathogens. The most common pathogen was Rickettsia raoultii (36.80 %), followed by Brucella sp. (26.2 %), Anaplasma ovis (22.4 %), Babesia caballi (14.8 %), Theileria equi (8.7 %), and Theileria ovis (8.5 %). The sequencing of 6 genes showed a 96-100 % nucleotide identity between the sequences in this study and those deposited in GenBank. This study provides a scientific reference for the prevention and control of tick-borne diseases in the XUAR.
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Affiliation(s)
- Yongchang Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Xiuxiu Wen
- Parasitology Laboratory, Veterinary College, Xinjiang Agricultural University, Urumqi, 830011, Xinjiang, China
| | - Min Li
- Parasitology Laboratory, Veterinary College, Xinjiang Agricultural University, Urumqi, 830011, Xinjiang, China
| | - Paul Franck Adjou Moumouni
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Eloiza May Galon
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Qingyong Guo
- Parasitology Laboratory, Veterinary College, Xinjiang Agricultural University, Urumqi, 830011, Xinjiang, China
| | - Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan; Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, 35516, Egypt
| | - Mingming Liu
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Jixu Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Shengwei Ji
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Maria Agnes Tumwebaze
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Benedicto Byamukama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan
| | - Bayin Chahan
- Parasitology Laboratory, Veterinary College, Xinjiang Agricultural University, Urumqi, 830011, Xinjiang, China.
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Hokkaido, Japan.
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16
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Gebrekidan H, Perera PK, Ghafar A, Abbas T, Gasser RB, Jabbar A. An appraisal of oriental theileriosis and the Theileria orientalis complex, with an emphasis on diagnosis and genetic characterisation. Parasitol Res 2020; 119:11-22. [PMID: 31811422 PMCID: PMC7223495 DOI: 10.1007/s00436-019-06557-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 11/19/2019] [Indexed: 12/17/2022]
Abstract
Oriental theileriosis, a tick-borne disease of bovids caused by members of the Theileria orientalis complex, has a worldwide distribution. Globally, at least 11 distinct genotypes of T. orientalis complex, including type 1 (chitose), type 2 (ikeda), type 3 (buffeli), types 4 to 8, and N1-N3, have been described based on the sequence of the major piroplasm surface protein (MPSP) gene. Of these 11 genotypes, mainly ikeda and chitose are known to be pathogenic and cause considerable morbidity (including high fever, anaemia, jaundice and abortion), production losses and/or mortality in cattle. Mixed infections with two or more genotypes of T. orientalis is common, but do not always lead to a clinical disease, posing challenges in the diagnosis of asymptomatic or subclinical forms of oriental theileriosis. The diagnosis of oriental theileriosis is usually based on clinical signs, the detection of piroplasms of T. orientalis in blood smears, and/or the use of serological or molecular techniques. This paper reviews current methods used for the diagnosis of T. orientalis infections and the genetic characterisation of members of the T. orientalis complex, and proposes that advanced genomic tools should be established for investigations of these and related haemoparasites.
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Affiliation(s)
- Hagos Gebrekidan
- Department of Veterinary Biosciences, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
| | - Piyumali K Perera
- Department of Zoology, Faculty of Science, The University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Abdul Ghafar
- Department of Veterinary Biosciences, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
| | - Tariq Abbas
- Department of Epidemiology and Public Health, Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Punjab, Pakistan
| | - Robin B Gasser
- Department of Veterinary Biosciences, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
| | - Abdul Jabbar
- Department of Veterinary Biosciences, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia.
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17
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Chisu V, Alberti A, Zobba R, Foxi C, Masala G. Molecular characterization and phylogenetic analysis of Babesia and Theileria spp. in ticks from domestic and wild hosts in Sardinia. Acta Trop 2019; 196:60-65. [PMID: 31100271 DOI: 10.1016/j.actatropica.2019.05.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 05/13/2019] [Accepted: 05/13/2019] [Indexed: 11/24/2022]
Abstract
Piroplasmoses are tick-borne protozoan diseases caused by hemoprotozoan parasites with considerable economic, veterinary and medical impact worldwide. Here, the presence and diversity of piroplasmids was investigated in ticks collected from domestic and wild hosts in a typical subtropical environment of Sardinia island by standard PCR, sequencing, and phylogenetic analyses. We demonstrate the presence of strains closely related to the Theileria buffeli/sergentii/orientalis complex in Rhipicephalus sanguineus s.l., Rh. bursa, Rh. annulatus, Hyalomma marginatum, Dermacentor marginatus and Haemaphysalis punctata ticks. A strain detected in two Rh. sanguineus s.l. ticks collected from dogs grouped with T. equi, the agent of equine piroplasmosis. T. ovis, the main etiological agent of ovine theileriosis, was detected in one Rh. bursa tick from a mouflon. Babesia bigemina, the causative agent of bovine babesiosis, was detected in two Rh. sanguineus s.l. ticks from dogs. Our findings expand the knowledge on the repertoire of tick-borne pathogens present in Mediterranean ticks. Further analyses are needed to determine the role of ticks in the biological or mechanical transmission of piroplasmoses in this area.
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18
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Hakimi H, Sarani A, Takeda M, Kaneko O, Asada M. Epidemiology, risk factors, and co-infection of vector-borne pathogens in goats from Sistan and Baluchestan province, Iran. PLoS One 2019; 14:e0218609. [PMID: 31220153 PMCID: PMC6586321 DOI: 10.1371/journal.pone.0218609] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 06/05/2019] [Indexed: 11/19/2022] Open
Abstract
Several vector-borne pathogens restrict livestock farming and have significant economic impact worldwide. In endemic areas livestock are exposed to different tick species carrying various pathogens which could result in co-infection with several tick-borne pathogens in a single host. Although the co-infection of and the interaction among pathogens are critical factors to determine the disease outcome, pathogen interactions in the vector and the host are poorly understood. In this study, we surveyed the presence of Babesia ovis, Theileria ovis, Theileria lestoquardi, Anaplasma ovis, Anaplasma phagocytophilum, and Anaplasma marginale in 200 goats from 3 different districts in Sistan and Baluchestan province, Iran. Species-specific diagnostic PCRs and sequence analysis revealed that 1.5%, 12.5%, and 80% of samples were positive for T. lestoquardi, T. ovis, and A. ovis, respectively. Co-infections of goats with up to 3 pathogens were seen in 22% of the samples. We detected a significant association between T. ovis infection and age, T. ovis infection and location (Zabol), and A. ovis infection and location (Sarbaz) by multivariate logistic regression analysis. In addition, by analyzing the data with respect to Plasmodium caprae infection in these goats, a negative correlation was found between P. caprae and A. ovis infection. This study contributes to understanding the epidemiology of vector-borne pathogens and their interplay in goats.
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Affiliation(s)
- Hassan Hakimi
- Department of Protozoology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan
| | - Ali Sarani
- Department of Clinical Science, University of Zabol, Veterinary Faculty, Zabol, Iran
| | - Mika Takeda
- Department of Protozoology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan
| | - Osamu Kaneko
- Department of Protozoology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan
| | - Masahito Asada
- Department of Protozoology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan
- * E-mail:
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Li J, Ma L, Moumouni PFA, Jian Y, Wang G, Zhang X, Li X, Wang G, Lee SH, Galon EM, Liu M, Guo H, Gao Y, Li Y, Tumwebaze MA, Benedicto B, Xuan X. Molecular survey and characterization of tick-borne pathogens in sheep from Qinghai, China. Small Rumin Res 2019. [DOI: 10.1016/j.smallrumres.2019.01.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Riaz M, Nazir MM, Tasawar Z, Ahmed AN, Ayaz MM, Akram Q, Lindsay DS. Molecular Epidemiology and Prevalence of Theileria lestoquardi and Theileria ovis Infection in Goats Infested With Tick Vectors From Multan, Pakistan. JOURNAL OF MEDICAL ENTOMOLOGY 2019; 56:844-848. [PMID: 30690567 DOI: 10.1093/jme/tjy229] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Indexed: 06/09/2023]
Abstract
Caprine theileriosis is a major production problem in regions of the world that rely on goats as a major source of milk, meat, and other means of economic income. Theileria ovis and Theileria lestoquardi are responsible for caprine theileriosis in Pakistan. The present study examined the prevalence of Theileria spp. infection using polymerase chain reaction (PCR) and light microscopy of blood collected from goats from Multan, Pakistan. In addition, the prevalence and identity of the genus of ticks feeding on these goats was determined on specimens collected at the time of blood sampling. The current project hypothesized that Theileria spp. prevalence would be higher in goats infested with ticks than goats without tick infestation. Four hundred and sixty-three blood samples from goats were analyzed, and the prevalence of infection was 16.0% (95% confidence interval [CI] = ±5.96) 74 of 463 by PCR and 5.4% (95% CI = ±7.79) 25 of 463 by microscopic examination. Thirty-six (48.6%, 95% CI = ±4.96) and 30 (40.5%, 95% CI = ±7.10) of 74 samples were positive by PCR for T. ovis and T. lestoquardi, respectively. Eight samples (10.0%, 95% CI = ±9.61) had mixed infections of these Theileria species. Infection was observed significantly (P < 0.05) more often in male 22.8%, 95% CI = ±3.85 (23/101) than in female 14%, 95% CI = ±2.36 (51/362) goats. No statistical (P > 0.05) difference in prevalence was present among the three age groups of ≤1 yr (12.6%, 95% CI = ±6.70), 1-4 yr (16.2%, 95% CI = ±8.24), and ≥4 yr (17.7%, 95% CI = ±11.30) goats examined. Two hundred and one (43.4%, 95% CI = ±7.45) goats were infested with ticks, Rhipicephalus spp. and Haemaphysalis spp., which are capable of transmitting Theileria spp. Tick infestation was found to be a significant (P < 0.05) risk factor for infection. Prevalence of Theileria infection in goats was significantly higher (P < 0.05) in the summer compared with the other three seasons. Data from this study support our hypothesis and demonstrate that both T. ovis and T. lestoquardi are highly prevalent in goats from Multan, Pakistan.
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Affiliation(s)
- Muhammad Riaz
- Zoology Division, Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Mudasser Nazir
- Department of Pathobiology, Faculty of Veterinary Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Zahida Tasawar
- Zoology Division, Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
| | - Atif Nisar Ahmed
- Department of Pathobiology, Faculty of Veterinary Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Mazhar Ayaz
- Department of Pathobiology, Faculty of Veterinary Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Qaisar Akram
- College of Veterinary Sciences, Bahadur campus Layyah, Bahauddin Zakariya University, Multan, Pakistan
| | - David Scott Lindsay
- Virginia Tech Faculty of Health Sciences, Department of Biomedical Sciences and Pathobiology, Center for One Health Research, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA
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Genetic homogeneity of goat malaria parasites in Asia and Africa suggests their expansion with domestic goat host. Sci Rep 2018; 8:5827. [PMID: 29643434 PMCID: PMC5895593 DOI: 10.1038/s41598-018-24048-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 03/26/2018] [Indexed: 11/12/2022] Open
Abstract
Plasmodium was first identified in a goat in Angola in 1923, and only recently characterized by DNA isolation from a goat blood sample in Zambia. Goats were first domesticated in the Fertile Crescent approximately 10,000 years ago, and are now globally distributed. It is not known if the Plasmodium identified in African goats originated from parasites circulating in the local ungulates, or if it co-evolved in the goat before its domestication. To address this question, we performed PCR-based surveillance using a total of 1,299 goat blood samples collected from Sudan and Kenya in Africa, Iran in west Asia, and Myanmar and Thailand in southeast Asia. Plasmodium DNA was detected from all locations, suggesting that the parasite is not limited to Africa, but widely distributed. Whole mitochondrial DNA sequences revealed that there was only one nucleotide substitution between Zambian/Kenyan samples and others, supporting the existence of a goat-specific Plasmodium species, presumably Plasmodium caprae, rather than infection of goats by local ungulate malaria parasites. We also present the first photographic images of P. caprae, from one Kenyan goat sample.
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Haemoparasitic agents associated with ovine babesiosis: A possible negative interaction between Babesia ovis and Theileria ovis. Vet Parasitol 2018; 252:143-147. [DOI: 10.1016/j.vetpar.2018.02.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/17/2018] [Accepted: 02/02/2018] [Indexed: 11/18/2022]
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Bilgic HB, Bakırcı S, Kose O, Unlu AH, Hacılarlıoglu S, Eren H, Weir W, Karagenc T. Prevalence of tick-borne haemoparasites in small ruminants in Turkey and diagnostic sensitivity of single-PCR and RLB. Parasit Vectors 2017; 10:211. [PMID: 28449722 PMCID: PMC5408456 DOI: 10.1186/s13071-017-2151-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 04/21/2017] [Indexed: 01/23/2023] Open
Abstract
Background Tick-borne haemoparasitic diseases (TBHDs), caused by Theileria, Babesia, Anaplasma and Ehrlichia, are common in regions of the world where the distributions of host, pathogen and vector overlap. Many of these diseases threaten livestock production and some also represent a concern to human public health. The primary aim of this study was to determine the prevalence of the above-mentioned pathogens in a large number of blood samples (n = 1979) collected from sheep (n = 1727) and goats (n = 252) in Turkey. A secondary aim was to assess the diagnostic sensitivity of a number of species-specific polymerase chain reaction (PCR) tests and the reverse line blotting (RLB) assay. DNA samples were screened using species-specific PCR for the presence of Theileria ovis, Theileria sp. MK, T. lestoquardi, T. uilenbergi, T. luwenshuni, Babesia ovis, Anaplasma ovis and A. phagocytophilum while RLB was undertaken to test for the presence of all known Theileria, Babesia, Anaplasma and Ehrlichia species. The diagnostic sensitivity of these two approaches was then compared in terms of their ability to detect single species and mixed infections. Results Overall, 84 and 74.43% of the small ruminants sampled were identified as hosting one or more pathogen(s) by species-specific PCR and RLB respectively. The presence of Theileria sp. OT1, T. luwenshuni and T. uilenbergi in Turkey was revealed for the first time while the presence of Babesia motasi, B. crassa and T. separata in Turkish small ruminants was confirmed using molecular methods. A high prevalence of mixed infection was evident, with PCR and RLB approaches indicating that 52.24 and 35.42% of animals were co-infected with multiple species, respectively. More than 80% of the mixed infections contained T. ovis and/or A. ovis. The RLB approach was found to be capable of detecting mixed infections with species such as Theileria sp. OT1, Theileria sp. OT3, T. separata, B. crassa and Babesia spp. Conclusion The results indicated that pathogens causing TBHDs are highly prevalent in sheep and goats in Turkey. The diagnostic sensitivity of species-specific single PCR was generally higher than that of RLB. However, the latter approach was still capable of identifying a high proportion of individuals containing mixed-species infections. The use of species-specific single PCR is recommended to accurately estimate pathogen prevalence and to identify co-infected hosts. Electronic supplementary material The online version of this article (doi:10.1186/s13071-017-2151-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Huseyin Bilgin Bilgic
- Department of Parasitology, University of Adnan Menderes, Faculty of Veterinary Medicine, 09016, Isıklı/Aydın, Turkey.
| | - Serkan Bakırcı
- Department of Parasitology, University of Adnan Menderes, Faculty of Veterinary Medicine, 09016, Isıklı/Aydın, Turkey
| | - Onur Kose
- Department of Parasitology, University of Adnan Menderes, Faculty of Veterinary Medicine, 09016, Isıklı/Aydın, Turkey
| | - Ahmet Hakan Unlu
- Department of Veterinary Medicine, University of Yuzuncu Yil, Vocational high School of Gevas, Programme of Laboratorian and Veterinary Health, 65700, Van, Turkey
| | - Selin Hacılarlıoglu
- Department of Parasitology, University of Adnan Menderes, Faculty of Veterinary Medicine, 09016, Isıklı/Aydın, Turkey
| | - Hasan Eren
- Department of Parasitology, University of Adnan Menderes, Faculty of Veterinary Medicine, 09016, Isıklı/Aydın, Turkey
| | - William Weir
- School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Bearsden Road, Glasgow, G61 1QH, UK
| | - Tulin Karagenc
- Department of Parasitology, University of Adnan Menderes, Faculty of Veterinary Medicine, 09016, Isıklı/Aydın, Turkey
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Zhou M, Cao S, Sevinc F, Sevinc M, Ceylan O, Ekici S, Jirapattharasate C, Moumouni PFA, Liu M, Wang G, Iguchi A, Vudriko P, Suzuki H, Xuan X. Molecular detection and genetic characterization of Babesia, Theileria and Anaplasma amongst apparently healthy sheep and goats in the central region of Turkey. Ticks Tick Borne Dis 2017; 8:246-252. [DOI: 10.1016/j.ttbdis.2016.11.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 10/25/2016] [Accepted: 11/14/2016] [Indexed: 10/20/2022]
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Tajeri S, Razmi G, Haghparast A. Establishment of an Artificial Tick Feeding System to Study Theileria lestoquardi Infection. PLoS One 2016; 11:e0169053. [PMID: 28036364 PMCID: PMC5201281 DOI: 10.1371/journal.pone.0169053] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 12/09/2016] [Indexed: 11/30/2022] Open
Abstract
The establishment of good experimental models for Theileria sp. infection is important for theileriosis research. Routinely, infection of ticks is accomplished by feeding on parasite-infected animals (sheep, cows and horses), which raises practical and ethical problems, driving the search for alternative methods of tick infection. Artificial tick feeding systems are based mainly on rearing ticks on host-derived or hand-made artificial membranes. We developed a modified feeding assay for infecting nymphal stages of Hyalomma anatolicum ticks with Theileria lestoquardi, a highly pathogenic parasite of sheep. We compared two different membranes: an artificial silicone membrane and a natural alternative using mouse skin. We observed high attachment rates with mouse skin, whereas in vitro feeding of H. anatolicum nymphs on silicone membranes was unsuccessful. We could infect H. anatolicum nymphs with T. lestoquardi and the emerging adult ticks transmitted infective parasites to sheep. In contrast, similar infections with Rhipicephalus bursa, a representative tick with short mouth-parts that was proposed as a vector for T. lestoquardi, appeared not to be a competent vector tick species. This is the first report of an experimentally controlled infection of H. anatolicum with T. lestoquardi and opens avenues to explore tick-parasite dynamics in detail.
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Affiliation(s)
- Shahin Tajeri
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Gholamreza Razmi
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
- * E-mail:
| | - Alireza Haghparast
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
- Veterinary Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran
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Ozubek S, Aktas M. Molecular evidence of a new Babesia sp. in goats. Vet Parasitol 2016; 233:1-8. [PMID: 28043378 DOI: 10.1016/j.vetpar.2016.11.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 11/08/2016] [Accepted: 11/18/2016] [Indexed: 11/27/2022]
Abstract
In this study, a novel Babesia sp. infecting goats was detected and its phylogenetic relationship to related species was determined. A total of 200 blood samples collected from sheep (n=78) and goats (n=122) were examined in the study. The V4 hypervariable region of the 18S rRNA gene of the novel Babesia sp. was amplified by PCR and analysed using a reverse line blot hybridization assay adapted for small ruminants. Samples from seven goats hybridized to Theileria/Babesia catch-all and Babesia catch-all probes and did not hybridize to any species-specific probe tested, suggesting the presence of an unrecognized Babesia species or genotype. Sequencing results showed the isolate to clearly differ from ovine Babesia species and genotypes currently available in the GenBank database. The isolate showed 90.9%, 93.5%, and 93.4% identity to B. ovis, B. motasi, and B. crassa, respectively and 91-93% similarity to Babesia genotypes recently described in small ruminants. The highest homology (∼96-97%) observed was with Babesia odocoilei, Babesia sp. EU1, and Babesia divergens. The new isolate was provisionally designated Babesia sp. The study contributes to better insight into the distribution and phylogenetic diversity of piroplasms in small ruminants. The survey indicated a high prevalence of piroplasms in small ruminants (21.5%). Of those detected, T. ovis was the most prevalent (17%), followed by Babesia sp. (3.5%), and B. ovis (2%).
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Affiliation(s)
- Sezayi Ozubek
- Department of Parasitology, Faculty of Veterinary Medicine, University of Firat, 23119, Elazig, Turkey
| | - Munir Aktas
- Department of Parasitology, Faculty of Veterinary Medicine, University of Firat, 23119, Elazig, Turkey.
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Orkun Ö, Emir H, Karaer Z. Ticks threatening lineage of Anatolian wild sheep (Ovis gmelinii anatolica) and determination of their tick-borne pathogens. Vet Parasitol 2016; 228:77-84. [PMID: 27692336 DOI: 10.1016/j.vetpar.2016.08.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 08/12/2016] [Accepted: 08/16/2016] [Indexed: 11/16/2022]
Abstract
We aimed to determine the ticks of the Anatolian wild sheep and to define their tick-borne pathogens while molecularly studying their relationships with those of the domestic sheep. Furthermore, another aim of this study is to investigate tick paralysis resulting in the death of the Anatolian wild sheep. Ticks and blood samples were collected from the wild sheep whilst tick samples were also collected from hares, guinea fowls, chickens, and a turkey living in the Anatolian wild sheep breeding area. While PCR amplification was carried out for the detection of Babesia spp., Theileria spp. and Anaplasma spp. in blood samples, CCHF virus was screened in the tick samples in addition to the above-mentioned pathogens. Theileria spp. was detected in blood samples of 45 wild sheep. A total of 3494 ticks were collected from 52 Anatolian wild sheep, 5 hares, 5 guinea fowls, 2 chickens, and 1 turkey whereas 98 ticks were collected from the ground. B. ovis and T. ovis were detected in tick pools (Rh. bursa and H. excavatum) that were collected from the wild sheep. The paralysis was diagnosed in both of the hind legs of the newborn lambs infested with a great number of ticks. We also report that the tick species (H. excavatum and Rh. bursa) are determined to cause tick paralysis and tick toxicosis, which are associated with mortality especially in lambs. T. ovis and B. ovis were detected and studied for the first time in Anatolian wild sheep and in their ticks. The results of phylogenetic analyses showed that T. ovis and B. ovis isolates are genetically very close to the isolates that were previously obtained from the domestic small ruminants. We show that the Anatolian wild sheep can play the role of a reservoir for T. ovis. The presence of the CCHF virus has also been clearly shown and it has been observed that this virus, which is very pathogenic for humans, is anywise circulating in the region.
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Affiliation(s)
- Ömer Orkun
- Department of Parasitology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey.
| | - Hasan Emir
- General Directorate of Nature Conservation and National Parks, Ministry of Forestry and Water Affairs, Ankara, Turkey
| | - Zafer Karaer
- Department of Parasitology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
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Razmi G, Yaghfoori S. Molecular surveillance of Theileria ovis, Theileria lestoquardi and Theileria annulata infection in sheep and ixodid ticks in Iran. ACTA ACUST UNITED AC 2016; 80:635. [PMID: 24396911 DOI: 10.4102/ojvr.v80i1.635] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
A molecular study was undertaken to detect Theileria ovis, Theileria lestoquardi and Theileria annulata in sheep and tick vectors. Investigation was conducted from 2010 to 2011 in the south of Khorasan Razavi Province, Iran. A total of 150 blood samples were collected from 30 different sheep flocks. In addition, ixodid ticks were sampled from the same flocks. The stained blood smears were microscopically examined for the presence of piroplasms and a semi-nested polymerase chain reaction-restriction (PCR) was used for subsequent molecular speciation. Salivary glands were isolated from the ticks and subsequently analysed by semi-nested PCR. polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) was used to differentiate between T. lestoquardi and T. annulata from PCR-positive samples. Theileria species infection was microscopically detected in 18.6% of blood smears. The presence of T. ovis and T. lestoquardi or T. annulata was detected by semi-nested PCR in 58.6% and 6.6% of blood samples respectively. In total, 169 ixodid ticks were collected from different areas of the province. The most prevalent ticks were Rhipicephalus turanicus (n = 155; 91.7% of the total), followed by Hyalomma anatolicum anatolicum (n = 8; 4.7%) and Hyalomma marginatum turanicum (n = 6; 3.5%). From an organ pooling of 33 ticks, three pools of salivary glands from R. turanicus were positive for Theileria species by semi-nested PCR. Of the three R. turanicus samples testing positive for Theileria species, two (6.1%) were positive for T. ovis and one (3.0%) for T. lestoquardi or T.annulata. Amongst the 11 PCR-positive samples for T. lestoquardi or T. annulata, 10 were positive for T. lestoquardi and one sample was positive for both T. lestoquardi and T. annulata using PCR-RFLP. The results also demonstrated that PCR-RFLP could be used for the detection of T. ovis. Based on the results, it can be concluded that T. ovis has a higher prevalence than T. lestoquardi, and that R. turanicus could be a possible vector for T. ovis and T. lestoquardi. Finally, the PCR-RFLP based on Msp1 restriction enzyme is a simple method for differentiation of Theileria species in sheep and ixodid ticks.
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Aydin MF, Aktas M, Dumanli N. Molecular identification of Theileria and Babesia in ticks collected from sheep and goats in the Black Sea region of Turkey. Parasitol Res 2014; 114:65-9. [PMID: 25260692 DOI: 10.1007/s00436-014-4160-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2014] [Accepted: 09/23/2014] [Indexed: 11/24/2022]
Abstract
A molecular survey was undertaken in the Black Sea region of Turkey to determine the presence of Theileria and Babesia species of medical and veterinary importance. The ticks were removed from sheep and goats, pooled according to species and locations, and analyzed by PCR-based reverse line blot (RLB) and sequencing. A total of 2241 ixodid ticks belonging to 5 genus and 12 species were collected and divided into 310 pools. Infection rates were calculated as the maximum likelihood estimation (MLE) with 95% confidence intervals (CI). Of the 310 pools tested, 46 (14.83%) were found to be infected with Theileria or Babesia species, and the overall MLE of the infection rate was calculated as 2.27% (CI 1.67-2.99). The MLE of the infection rates were calculated as 0.691% (CI 0.171-1.78) in Haemaphysalis parva, 1.47% (CI 0.081-6.37) in Rhipicephalus sanguineus, 1.84% (CI 0.101-7.87) in Ixodes ricinus, 2.86% (CI 1.68-4.48) in Rhipicephalus turanicus, 5.57% (CI 0.941-16.3) in Hyalomma marginatum, and 6.2% (CI 4.02-9.02) in Rhipicephalus bursa. Pathogens identified in ticks included Theileria ovis, Babesia ovis, Babesia bigemina, and Babesia microti. Most tick pools were infected with a single pathogen. However, five pools displayed mixed infections with T. ovis and B. ovis. This study provides the first molecular evidence for the presence of B. microti in ticks in Turkey.
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Affiliation(s)
- Mehmet Fatih Aydin
- Research Laboratory, Higher Health School, University of Karamanoğlu Mehmetbey, 70100, Karaman, Turkey,
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Yang Y, Mao Y, Kelly P, Yang Z, Luan L, Zhang J, Li J, El-Mahallawy HS, Wang C. A pan-Theileria FRET-qPCR survey for Theileria spp. in ruminants from nine provinces of China. Parasit Vectors 2014; 7:413. [PMID: 25175751 PMCID: PMC4262081 DOI: 10.1186/1756-3305-7-413] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Accepted: 08/24/2014] [Indexed: 11/17/2022] Open
Abstract
Background Theileria spp. are tick transmitted protozoa that can infect large and small ruminants causing disease and economic losses. Diagnosis of infections is often challenging, as parasites can be difficult to detect and identify microscopically and serology is unreliable. While there are PCR assays which can identify certain Theileria spp., there is no one PCR that has been designed to identify all recognized species that occur in ruminants and which will greatly simplify the laboratory diagnoses of infections. Methods Primers and probes for a genus-specific pan-Theileria FRET-qPCR were selected by comparing sequences of recognized Theileria spp. in GenBank and the test validated using reference organisms. The assay was also tested on whole blood samples from large and small ruminants from nine provinces in China. Results The pan-Theileria FRET-qPCR detected all recognized species but none of the closely related protozoa. In whole blood samples from animals in China, Theileria spp. DNA was detected in 53.2% of the sheep tested (59/111), 44.4% of the goats (120/270) and 30.8% of the cattle (380/1,235). Water buffaloes (n = 29) were negative. Sequencing of some of the PCR products showed cattle in China were infected with T. orientalis/T. sergenti/T. buffeli group while T. ovis and T. luwenshuni were found in sheep and T. luwenshuni in goats. The prevalence of Theileria DNA was significantly higher in Bos p. indicus than in Bos p. taurus (77.7% vs. 18.3%) and copy numbers were also significantly higher (104.88 vs. 103.00Theileria 18S rRNA gene copies/per ml whole blood). Conclusions The pan-Theileria FRET-qPCR can detect all recognized Theileria spp. of ruminants in a single reaction. Large and small ruminants in China are commonly infected with a variety of Theileria spp.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Chengming Wang
- Jiangsu Co-innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University College of Veterinary Medicine, Yangzhou 225009, Jiangsu, China.
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Molecular evidence for trans-stadial and transovarial transmission of Babesia occultans in Hyalomma marginatum and Rhipicephalus turanicus in Turkey. Vet Parasitol 2014; 204:369-71. [DOI: 10.1016/j.vetpar.2014.05.037] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 05/05/2014] [Accepted: 05/17/2014] [Indexed: 11/18/2022]
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Aktas M. A survey of ixodid tick species and molecular identification of tick-borne pathogens. Vet Parasitol 2014; 200:276-83. [DOI: 10.1016/j.vetpar.2013.12.008] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 12/07/2013] [Accepted: 12/11/2013] [Indexed: 10/25/2022]
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Kumsa B, Signorini M, Teshale S, Tessarin C, Duguma R, Ayana D, Martini M, Cassini R. Molecular detection of piroplasms in ixodid ticks infesting cattle and sheep in western Oromia, Ethiopia. Trop Anim Health Prod 2013; 46:27-31. [PMID: 23846769 DOI: 10.1007/s11250-013-0442-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/26/2013] [Indexed: 11/30/2022]
Abstract
In Ethiopia, ticks and tick-borne diseases are widely distributed and contribute to important economic losses. Several studies investigated the prevalence and species composition of ticks infesting ruminants; however, data on tick-borne pathogens are still scarce. During the study period from October 2010 to April 2011, a total of 1,246 adult ticks and 264 nymphs were collected from 267 cattle and 45 sheep in Bako District, western Oromia, Ethiopia. The study showed infestation of 228/267 (85.4 %) cattle and 35/45 (77.8 %) sheep with adult ticks. Overall, eight tick species, belonging to three genera (Amblyomma, Rhipicephalus, Hyalomma), were identified and Amblyomma cohaerens (n = 577), Rhipicephalus evertsi evertsi (n = 290), Rhipicephalus (Boophilus) decoloratus (n = 287), and Amblyomma variegatum (n = 85) were the more prevalent species. A statistically significant host preference in A. cohaerens for cattle and R. evertsi evertsi for sheep was noticed. Molecular detection of piroplasms, performed only for adult ticks of two species of the genus Rhipicephalus (R. evertsi evertsi and R. decoloratus), revealed an overall prevalence of 4 % (8/202) Theileria buffeli/sergenti/orientalis, 0.5 % (1/202) Theileria velifera, and 2 % (4/202) Theileria ovis. The study showed that tick infestation prevalence is considerably high in both cattle and sheep of the area, but with a low intensity of tick burden and a moderate circulation of mildly pathogenic piroplasm species.
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Affiliation(s)
- Bersissa Kumsa
- Department of Parasitology and Pathology, College of Veterinary Medicine and Agriculture, Addis Ababa University, P.O. Box 34, Bishoftu, Ethiopia
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Razmi G, Pourhosseini M, Yaghfouri S, Rashidi A, Seidabadi M. Molecular Detection ofTheileriaSpp. andBabesiaSpp. in Sheep and Ixodid Ticks from the Northeast of Iran. J Parasitol 2013; 99:77-81. [DOI: 10.1645/ge-3202.1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Rashidi A, Razmi G. Molecular detection of Theileria spp. in sheep and vector ticks in the North Khorasan Province, Iran. Trop Anim Health Prod 2012; 45:299-303. [PMID: 22791188 DOI: 10.1007/s11250-012-0218-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2012] [Indexed: 11/25/2022]
Abstract
A survey was carried in North Khorasan Province, Iran in 2010-2011, designed to identify Theileria spp. infections of both sheep and ticks. The tick species were also examined. Ninety sheep from different flocks were clinically examined, and blood samples and ixodid ticks were collected. Light microscopy of blood smears revealed Theileria spp. infection in 37 (41.1 %), while 74 (82.2 %) of blood samples were positive using semi-nested PCR. Theileria ovis, Theileria lestoquardi, and mixed infection were detected in 63/90 (70 %), 5/90 (5.5 %), and 6/90 (6.6 %) of samples, respectively. Of the 434 ticks that were collected, the most prevalent species was Rhipicephalus turanicus (69.3 %) followed by Hyalomma marginatum turanicum (18.4 %), Dermacentor marginatus (6.4 %), and Rhipicephalus bursa (5.7 %). The ticks were separated into 42 tick pools, and the salivary glands were dissected out in 0.85 % (w/v) saline under a stereomicroscope and examined using semi-nested PCR. Three pools of H. marginatum turanicum salivary glands were infected with T. ovis and T. lestoquardi, and one pool of R. turanicus was infected with T. ovis. Based on these results, it is concluded that the prevalence of T. ovis is higher than T. lestoquardi and that H. marginatum turanicum and R. turanicus are likely vectors of T. lestoquardi and T. ovis in this area.
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Affiliation(s)
- Ahmad Rashidi
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, P.O.Box:91775-1793, Mashhad, Iran
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Zakkyeh T, Mohammad Ali O, Nasibeh HV, Mohammad Reza YE, Farhang B, Fatemeh M. First molecular detection of Theileria ovis in Rhipicephalus sanguineus tick in Iran. ASIAN PAC J TROP MED 2012; 5:29-32. [PMID: 22182639 DOI: 10.1016/s1995-7645(11)60240-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 09/20/2011] [Accepted: 10/15/2011] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE To determine tick infestation of domestic ruminants and their infection to ovine theileriosis in northern Iran. METHODS About 425 domestic ruminants in Ghaemshahr city in northern Iran were inspected for tick infestations. Twenty tick specimens (13 females and 7 males) of Rhipicephalus sanguineus (R. sanguineus), the most common tick in the study area, were tested by PCR amplification against 18s rRNA genome of Theileria spp using specie specific primers and then the PCR products were sequenced for species identification by comparison with data base available in GenBank. RESULTS About 323 ticks were collected from 102 animals (88 sheep, 12 goats and 2 cattle). The prevalence of ticks infesting animals was R. sanguineus (82.35%), Rhipicephalus bursa (R. bursa) (0.3%), Ixodes ricinus (I. ricinus) (15.2%), Boophilus annulatus (B. annulatus) (1.2%), Haemaphysalis punctata (H. punctata) (0.3%) and Haemaphysalis numidiana (H. numidiana) (0.6%). Eleven (55%) tick specimens were PCR positive against genome of Theileria ovis (T. ovis). Sequence analysis of the PCR products confirmed presence of T. ovis in one R. sanguinus. CONCLUSIONS This is the first report of tick infection to T. ovis in Iran. Due to dominant prevalence of R. sanguineus as well as its infection to T. ovis, it is postulated this tick is the main vector of ovine theileriosis in northern Iran.
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Affiliation(s)
- Telmadarraiy Zakkyeh
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Iran
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Altay K, Dumanli N, Aktas M. A study on ovine tick-borne hemoprotozoan parasites (Theileria and Babesia) in the East Black Sea Region of Turkey. Parasitol Res 2012; 111:149-53. [PMID: 22231266 DOI: 10.1007/s00436-011-2811-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Accepted: 12/23/2011] [Indexed: 11/30/2022]
Abstract
In this study, the frequency of Theileria and Babesia species was assessed via reverse line blotting and blood smear-based diagnostic methods in small ruminants. A total of 201 apparently healthy animals from 26 randomly selected herds located in 4 locations (Artvin, Giresun, Gumushane, and Tokat) of East Black Sea Region of Turkey were investigated for the blood protozoans. In a polymerase chain reaction (PCR), the hypervariable V4 region of the 18S ribosomal RNA gene was amplified with a set of general primers specific for all Theileria and Babesia species. The PCR products were hybridized against catchall and species-specific (Theileria spp., Theileria lestoquardi, Theileria ovis, Theileria sp. OT1, Theileria sp., OT3, Theileria sp., MK, Theileria luwenshuni, Theileria uilenbergi, Babesia spp., Babesia ovis, Babesia motasi, and Babesia crassa) probes. Theileria piroplasms were identified in nine (4.47%) samples by microscopic examination. Reverse line blotting (RLB) detected the infection in 19.90% of the samples. The infection rate of sheep (28.90%) was higher than goats (4.10%). T. ovis, Theileria sp., MK, and Theileria sp. OT3 were detected by RLB. The most prevalent Theileria species was T. ovis (18.90%) followed by Theileria sp. MK (0.99%). Theileria sp. OT3 was detected in one sample (0.43%). A single animal was infected as mix with T. ovis and Theileria sp. MK. The other Theileria (T. lestoquardi, Theileria sp. OT1, T. luwenshuni, and T. uilenbergi) and Babesia (B. ovis, B. motasi, and B. crassa) species were not detected. This study is the first molecular survey on ovine tick-borne protozoans in East Black Sea Region of Turkey.
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Affiliation(s)
- Kursat Altay
- Department of Parasitology, Faculty of Veterinary Medicine, University of Cumhuriyet, 58140, Sivas, Turkey.
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Identification of different Theileria species (Theileria lestoquardi, Theileria ovis, and Theileria annulata) in naturally infected sheep using nested PCR-RFLP. Parasitol Res 2010; 108:837-43. [PMID: 20978792 DOI: 10.1007/s00436-010-2119-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2010] [Accepted: 10/10/2010] [Indexed: 10/18/2022]
Abstract
Ovine theileriosis is an important hemoprotozoal disease of sheep and goats in tropical and subtropical regions that leads to economic losses in these animals. A nested PCR-restriction fragment length polymorphism (RFLP) was carried out to identification Theileria species in sheep in some area in western half of Iran (Sari, Rasht, Urmia, Ilam, and Ahvaz). Two hundred and fifty blood samples were taken from sheep during tick activating season (summer of 2008). Microscopic examination revealed that 9.2% (23/250) sheep were infected by Theileria spp. piroplasms. Parasitemia ranged from 0.011% to 0.015%. In nested PCR assessment of DNA samples, 32.8% (82/250) sheep were positive. The negative samples were confirmed by amplifying of ovine beta-actin gene as an internal control. The differentiation of Theileria species was based on RFLP patterns using three restriction enzymes: HpaII, Rsa1, and Bsh 1285I. Out of 82 positive samples, 54.8% (45/82) and 40.2% (33/82) were positive for Theileria lestoquardi and Theileria ovis respectively. Mixed infection was detected in 4.8% (4/82) cases. Based on their PCR product digestion pattern with HpaII (1178, 900, 278, and 106 bp), it seemed to be mixture of Theileria annulata and T. lestoquardi. The presence of T. annulata was supported by sequence analysis. This is the first report of naturally infected sheep with T. annulata in Iran. Geographical distribution of Theileria species in sheep is shown according to the result of microscopy and nested PCR and RFLP data.
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Li Y, Guan G, Ma M, Liu J, Ren Q, Luo J, Yin H. Theileria ovis discovered in China. Exp Parasitol 2010; 127:304-7. [PMID: 20619262 DOI: 10.1016/j.exppara.2010.07.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 06/30/2010] [Accepted: 07/01/2010] [Indexed: 11/25/2022]
Abstract
A polymerase chain reaction (PCR) using 989/990 primers was conducted to identify a newly isolated Theileria sp. in Xinjiang Province of China. The target DNA fragments of the complete 18S rRNA gene were cloned and sequenced. The phylogenetic relationship of newly isolated Theileria spp. was inferred based on the 18S rRNA gene. The results showed that the new Theileria sp. belonged to the cluster of Theileria ovis. Moreover, the findings were confirmed by T. ovis species-specific PCR. An expected 520 bp fragment of T. ovis DNA was obtained from 25 out of 320 (8%) field blood samples, and blood of an experimental sheep infested by Hyalomma anatolicum anatolicum collected in Xinjiang. The infection rate of T. ovis was 78% (25/32) in Xinjiang province. The investigation did not find T. ovis positive samples from the field samples collected from the other twelve provinces. This study indicates that T. ovis is prevalent in Xinjiang province of China and its transmission vector is H. anatolicum anatolicum.
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Affiliation(s)
- Youquan Li
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, China
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Li Y, Guan G, Liu A, Peng Y, Luo J, Yin H. Experimental transmission of Theileria ovis by Hyalomma anatolicum anatolicum. Parasitol Res 2010; 106:991-4. [PMID: 20165879 DOI: 10.1007/s00436-010-1763-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2010] [Accepted: 01/13/2010] [Indexed: 10/19/2022]
Abstract
The experimental transmission of a newly isolated Theileria ovis is described. Hyalomma anatolicum anatolicum nymphs developed from larvae engorged on sheep infected with T. ovis were able to transmit the T. ovis to splenectomized sheep. Meanwhile, H. anatolicum anatolicum adults developed from nymphs engorged on sheep infected with T. ovis were also able to transmit T. ovis to splenectomized sheep. These experiments suggested that T. ovis could be transmitted by a H. anatolicum anatolicum, and the mode of transmission is from stage to stage.
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Affiliation(s)
- Youquan Li
- Key Laboratory of Veterinary Parasitology of Gansu Province, State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, People's Republic of China
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Molecular evidence for Anaplasma phagocytophilum in Ixodes ricinus from Turkey. Trans R Soc Trop Med Hyg 2010; 104:10-5. [DOI: 10.1016/j.trstmh.2009.07.025] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Revised: 07/21/2009] [Accepted: 07/21/2009] [Indexed: 11/22/2022] Open
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Aktas M, Altay K, Dumanli N, Kalkan A. Molecular detection and identification of Ehrlichia and Anaplasma species in ixodid ticks. Parasitol Res 2009; 104:1243-8. [PMID: 19247690 DOI: 10.1007/s00436-009-1377-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2008] [Accepted: 02/11/2009] [Indexed: 11/30/2022]
Affiliation(s)
- Munir Aktas
- Department of Parasitology, College of Veterinary Medicine, Firat University, Elazig, Turkey.
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Sun C, Liu Z, Gao J, Guan G, Ma M, Luo J, Yin H. Investigations into the natural infection rate of Haemaphysalis qinghaiensis with piroplasma using a nested PCR. EXPERIMENTAL & APPLIED ACAROLOGY 2008; 44:107-114. [PMID: 18273685 DOI: 10.1007/s10493-008-9133-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2007] [Accepted: 01/22/2008] [Indexed: 05/25/2023]
Abstract
Here we describe the natural infection rate in China of Haemaphysalis qinghaiensis with four Piroplasma species, namely Theileria uilenbergi, T. luwenshuni, T. sinensis and Babesia motasi. Specifically, a nested PCR was designed based on 18S ribosomal RNA genes and its specificity and sensitivity were established. The result showed that 62 flat adult field H. qinghaiensis ticks (27 females and 35 males) out of 136 (55 females and 81 males) were infected by one or more parasites. All 62 (45.6%) were infected with T. uilenbergi; nine (five males and four females; 6.6%) were infected with T. luwenshuni; two (1.5%) females were infected with T. sinensis; and one (0.7%) male was infected with B. motasi. Twelve (19.4%) were infected with more than one pathogen. There was no significant difference in infection rate between males and females. The high figure 45.6% Theileria infection rate indicates the serious prevalence of theileriosis; while the presence of T. sinensis and B. motasi implies the potential existence of the corresponding diseases in the area studied.
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Affiliation(s)
- Caiqin Sun
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu, 730046, China
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