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Madyavanhu N, Shekede MD, Kusangaya S, Pfukenyi DM, Chikerema S, Gwitira I. Bovine anaplasmosis in Zimbabwe: spatio-temporal distribution and environmental drivers. Vet Q 2024; 44:1-16. [PMID: 38279663 PMCID: PMC10823892 DOI: 10.1080/01652176.2024.2306210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 01/10/2024] [Indexed: 01/28/2024] Open
Abstract
Understanding the spatial and temporal distribution of Bovine anaplasmosis is crucial for identifying areas of high prevalence for targeted disease control. This research was aimed at modelling and mapping the B. anaplasmosis potential distribution, and identify hotspots as well as significant variables explaining the occurrence of the disease. The Getis Ord Gi* statistic for Hotspot analysis was used as well as MaxEnt ecological niche modelling. The effects of time, land-use, and agro-ecological regions on B. anaplasmosis occurrence were tested using Analysis of Variance (ANOVA). Results showed that several districts in Zimbabwe are suitable for the occurence of the disease for example Binga, Seke, Buhera, Kwekwe, Gweru, Mhondoro, Chegutu, Sanyati, and in the North: Mbire, Muzarabani, Mt Darwin, Shamva, Bindura, Zvimba and Makonde. Morbidity and mortality hotspots were detected in Gokwe-south, Kwekwe, and Chirumhanzu districts. Binga, Gokwe-south, Gutu, Hurungwe, Mazoe, Nkayi, Shamva, and Kwekwe districts also experienced high disease incidences. Temperature seasonality, precipitation seasonality, mean diurnal range, and isothermality were the most important variables in explaining 93% of B. anaplasmosis distribution. Unlike land-use and agro-ecological regions, time (months) had a significant effect on B. anaplasmosis occurrence with July and September having significantly (p < 0.05) higher cases and deaths than the rest of the months. The results of this study provide insights into the management strategies and control of B. anaplasmosis in Zimbabwe. It is thus concluded that geo-spatial techniques, combined with ecological niche modelling can provide useful insights into disease prevalence and distribution and hence can contribute to effective management and control of B. anaplasmosis in Zimbabwe.
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Affiliation(s)
- Natasher Madyavanhu
- Department of Geography Geospatial Sciences and Earth Observation, Faculty of Science, University of Zimbabwe, Harare, Zimbabwe
| | - Munyaradzi Davis Shekede
- Department of Geography Geospatial Sciences and Earth Observation, Faculty of Science, University of Zimbabwe, Harare, Zimbabwe
- Department of Geospatial Sciences and Earth Observation, Zimbabwe National Geospatial and Space Agency, Harare, Zimbabwe
| | - Samuel Kusangaya
- Department of Geography Geospatial Sciences and Earth Observation, Faculty of Science, University of Zimbabwe, Harare, Zimbabwe
| | - Davies Mubika Pfukenyi
- Department of Veterinary Sciences, Faculty of Animal and Veterinary Sciences, Botswana University of Agriculture and Natural Resources, Gaborone, Botswana
| | - Sylvester Chikerema
- Department of Clinical Veterinary Studies, University of Zimbabwe, Harare, Zimbabwe
| | - Isaiah Gwitira
- Department of Geography Geospatial Sciences and Earth Observation, Faculty of Science, University of Zimbabwe, Harare, Zimbabwe
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Lagranha C, Pellegrini DCP, Pradella GD, Nava S, Morel N, Doyle R, Klafke G, Gallina T, Reck J. Can herd seroprevalence be used as an indicator of enzootic stability for bovine anaplasmosis? Insights from a case-control field study in Brazil. Res Vet Sci 2024; 171:105232. [PMID: 38513459 DOI: 10.1016/j.rvsc.2024.105232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/23/2024] [Accepted: 03/17/2024] [Indexed: 03/23/2024]
Abstract
Bovine anaplasmosis presents a significant challenge to livestock production in tropical, subtropical, and temperate regions. For many years, the concept of enzootic stability/instability (initially established for babesiosis) and herd seroprevalence as an indicator of outbreak risks have been applied to anaplasmosis. However, this model has never been definitively validated for Anaplasma marginale. The objective of this study was to examine the relationship between herd immunity (seroprevalence) and the occurrence of anaplasmosis outbreaks in Southern Brazil. A case-control study was conducted, categorizing farms into two groups: cases (farms with a history of clinical anaplasmosis) and controls (those without anaplasmosis). Thirteen farms were identified as "cases", while 23 were identified as "controls". A substantial difference in seroprevalence distribution between the two groups was observed. The majority of "control" farms exhibited over 75% of animals with antibodies to A. marginale in both calves and heifers, whereas the majority of "case" farms had a seropositive cattle percentage below 75%. Additionally, twelve months after cattle serology tests, we conducted a prospective follow-up survey to identify any clinical cases of anaplasmosis. Statistical associations (P < 0.05) were found between both retrospective and prospective anaplasmosis outbreaks and the hypothetical threshold of herd seroprevalence (75%). We hypothesize that herd seroprevalence may be an indicator of the risk of occurrence of clinical anaplasmosis. It appears that the epidemiology of cattle anaplasmosis, at least in our conditions, aligns with the well-known model of enzootic stability/instability originally applied to bovine babesiosis.
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Affiliation(s)
- Camila Lagranha
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | | | | | - Santiago Nava
- Instituto Nacional de Tecnología Agropecuaria (INTA), Rafaela, Santa Fe, Argentina
| | - Nicolas Morel
- Instituto Nacional de Tecnología Agropecuaria (INTA), Rafaela, Santa Fe, Argentina
| | - Rovaina Doyle
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Guilherme Klafke
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Tiago Gallina
- Universidade Federal do Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - José Reck
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil.
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Jaimes-Dueñez J, Tique-Oviedo M, Arias-Vega L, Castiblanco-Diaz E, Rivero-Rodriguez L, Marin-Cossio L, Gongora-Orjuela A, Jimenez-Leaño A. Epidemiological assessment of Anaplasma marginale, Babesia bigemina, and Babesia bovis infections in Colombian creole cattle breeds: A molecular survey in northeastern Colombia. Vet Parasitol Reg Stud Reports 2024; 50:101011. [PMID: 38644043 DOI: 10.1016/j.vprsr.2024.101011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/28/2024] [Accepted: 03/05/2024] [Indexed: 04/23/2024]
Abstract
Anaplasmosis and babesiosis are globally distributed arthropod-borne diseases known for causing substantial economic losses due to their high morbidity and mortality rates. This study aims to assess the frequency and epidemiological features associated with the infection of Anaplasma marginale, Babesia bigemina, and Babesia bovis in three Creole cattle breeds (Chino Santandereano (Chino), Casanareño (CAS), and Sanmartinero (SM)) in northeastern Colombia. Between June 2019 and March 2020, a total of 252 Creole cattle were sampled, with Chino, CAS, and SM accounting for 42.8%, 29.5%, and 29.5% of the samples, respectively. Blood samples were subjected to molecular analysis to detect the DNA of A. marginale, B. bigemina, and B. bovis, using species-specific primers. Additionally, Packed Cell Volume (PCV), total serum proteins, and body condition were evaluated. Molecular analyses revealed the presence of B. bigemina, A. marginale, and B. bovis in 83.7% (211/252; 95% CI = 79.1%-88.3%), 59.9% (151/252; 95% CI = 53.8%-66.1%), and 40.9% (103/252; 95% CI = 34.7%-46.9%) of the samples, respectively, with 69% (174/252; 95% CI = 57.8%-80.3%) exhibiting coinfections. Notably, in infected animals, no significant alterations in PCV, total serum proteins, or body condition were observed. Multivariate analyses indicated a statistically significant association between the frequency of A. marginale infection and the breed and season, with a higher frequency in SM during the rainy season (P < 0.05). To our knowledge, this is the first molecular survey that evaluates multiple arthropod-borne pathogens in Colombian Creole breeds. The results revel a high frequency of B. bigemina and A. marginale infections, coupled with a notable frequency of coinfections, all without significant alteration in the PCV, total serum proteins and body conditions. Our findings enhance the understanding of the epidemiological aspects of arthropod-borne pathogens in Colombian Creole breed and contribute to the improvement of sanitary programs for these animals.
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Affiliation(s)
- Jeiczon Jaimes-Dueñez
- Grupo de Investigación en Ciencias Animales - GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia UCC, Bucaramanga, Colombia.
| | - Marisol Tique-Oviedo
- Grupo de Investigación en Ciencias Animales - GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia UCC, Bucaramanga, Colombia
| | - Laura Arias-Vega
- Grupo de Investigación en Ciencias Animales - GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia UCC, Bucaramanga, Colombia
| | - Edinson Castiblanco-Diaz
- Grupo de Investigación en Ciencias Animales - GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia UCC, Bucaramanga, Colombia
| | - Leslie Rivero-Rodriguez
- Grupo de Investigación en Ciencias Animales - GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia UCC, Bucaramanga, Colombia
| | - Laura Marin-Cossio
- Grupo de Investigación en Reproducción y Genética Animal - GIRGA, Facultad de Medicina Veterinaria y Zootecnia, Universidad de los Llanos, Villavicencio, Colombia
| | - Agustín Gongora-Orjuela
- Grupo de Investigación en Reproducción y Genética Animal - GIRGA, Facultad de Medicina Veterinaria y Zootecnia, Universidad de los Llanos, Villavicencio, Colombia
| | - Angela Jimenez-Leaño
- Grupo de Investigación en Ciencias Animales - GRICA, Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia UCC, Bucaramanga, Colombia
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Patel MV, Kumar N, Solanki JB, Kalyani IH, Patel DC, Bhinsara DB. Exploring the relationship between flumethrin resistance and Anaplasma marginale infection in Rhipicephalus (Boophilus) microplus ticks of cattle. Trop Anim Health Prod 2024; 56:113. [PMID: 38557923 DOI: 10.1007/s11250-024-03955-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 03/08/2024] [Indexed: 04/04/2024]
Abstract
The study explores the relationship between flumethrin resistance and Anaplasma marginale infection in Rhipicephalus (Boophilus) microplus of cattle in South Gujarat, India. Adult Immersion Test (AIT) was used to assess flumethrin resistance and polymerase chain reaction (PCR) to confirm A. marginale infection. Species-specific PCR resulted in the amplification of 576 bp of msp5 gene of A. marginale in 17.69% (49/277) groups of ticks, and subsequent digestion with EcoRI cleaved it into two distinct segments. Navsari district, noted level Ι resistance [resistance factors (RF) = 1.78-3.34], and A. marginale prevalence was 16.67, 15.38, 23.08, 15.38, and 11.76% in Navsari, Jalalpore, Gandevi, Chikhli, and Vansda sub-districts, respectively. Similarly, Vyara and Dolvan sub-districts of Tapi observed level Ι resistance (RF = 1-3.63), with A. marginale positivity of 21.43 and 22.22%, while Valod and Songhad demonstrated susceptibility, with 14.29 and 12.50% of A. marginale, respectively. Moving to Surat, the Mahuva, Bardoli, Mandvi, Palsana, and Kamrej sub-districts observed the level Ι resistance (RF = 1.94-2.89), coupled with 14.29, 17.65, 20, 20, and 21.43% of A. marginale, respectively. Lastly, in Valsad district, Dharampur, Kaparada, Valsad, and Umbergaon noted level Ι resistance (RF = 1.67-1.81), and corresponding A. marginale positivity rates of 18.18, 19.23, 15.00, and 20.00%. The scatter plot unveiled a significant moderate positive correlation between RF and A. marginale positivity% (p = 0.0362), characterized by a Pearson correlation coefficient (r) of 0.4963. The covariance (1.1814) highlighted fluctuations, while the coefficient of determination (r2) (0.2463) clarified that 24.63% of the variability in A. marginale positivity% could be attributed to the RF.
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Affiliation(s)
- Meghavi Vasantbhai Patel
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Navsari, Gandhinagar, 396 450, India
| | - Niranjan Kumar
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Navsari, Gandhinagar, 396 450, India.
| | - Jayesh Babulal Solanki
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Navsari, Gandhinagar, 396 450, India
| | - Irsadullakhan Habibullakhan Kalyani
- Department of Veterinary Microbiology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Navsari, Gandhinagar, 396 450, India
| | - Dharmeshkumar Chandrakantbhai Patel
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Navsari, Gandhinagar, 396 450, India
| | - Dharmeshkumar Babubhai Bhinsara
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Navsari, Gandhinagar, 396 450, India
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Arnuphapprasert A, Nugraheni YR, Khunmanee S, Kaewlamun W, Kaewthamasorn M. Seasonal dynamics and genetic characterization of bovine arthropod-borne parasites in Nan Province, Thailand with molecular identification of Anaplasma platys and Trypanosoma theileri. Comp Immunol Microbiol Infect Dis 2024; 107:102156. [PMID: 38457963 DOI: 10.1016/j.cimid.2024.102156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 03/10/2024]
Abstract
Virulent species or strains of hematophagous borne pathogens such as Anaplasma spp., Babesia spp., Theileria spp., and Trypanosoma spp., are lethal to susceptible animals or reduce their productivity on a global scale. Nonetheless, efforts to diagnose the causative agents and assess the genotypic profiles as well as quantify the parasite burden of aforementioned parasites across seasons remain limited. Therefore, the present investigation sought to elucidate the genotypic composition of Anaplasma spp., Babesia spp., Theileria spp., and Trypanosoma spp. The findings revealed heightened infection rates during the summer, manifesting a correlation between Trypanosoma spp. infection and seasonal fluctuations. Among the identified pathogens, Anaplasma marginale emerged as the most dominant species, while the occurrence of Anaplasma platys in Thai cattle was confirmed via the sequencing of the groEL gene. Moreover, the study successfully identified two lineages of Trypanosoma theileri. The findings of this investigation offer valuable insights that can inform the development of preventive strategies for vector-borne diseases, such as considering the appropriate use of insect repellent, mosquito or insect nets, or eliminating breeding places for insects in each season.
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Affiliation(s)
- Apinya Arnuphapprasert
- Veterinary Parasitology Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Yudhi Ratna Nugraheni
- The International Graduate Program of Veterinary Science and Technology (VST), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand; Department of Parasitology, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Indonesia
| | - Sarawanee Khunmanee
- School of Agricultural Resources, Chulalongkorn University, Bangkok, Thailand
| | - Winai Kaewlamun
- School of Agricultural Resources, Chulalongkorn University, Bangkok, Thailand
| | - Morakot Kaewthamasorn
- Veterinary Parasitology Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.
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Erol U, Sahin OF, Urhan OF, Atas AD, Altay K. Molecular investigation of Anaplasma phagocytophilum and related strains among sheep flocks from different parts of Türkiye; with a note of phylogenetic analyses of Anaplasma phagocytophilum- like 1. Comp Immunol Microbiol Infect Dis 2024; 107:102154. [PMID: 38442543 DOI: 10.1016/j.cimid.2024.102154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 02/21/2024] [Accepted: 02/28/2024] [Indexed: 03/07/2024]
Abstract
Anaplasma phagocytophilum is a vector-borne zoonotic pathogen and can infect various vertebrate hosts, especially cattle, sheep, goats, horses, and dogs. Molecular-based studies have revealed that the agent has a high genetic diversity and closely related strains circulate in hosts. In this study, 618 sheep blood samples obtained from different geographic regions of Türkiye were researched for A.phagocytophilum and related strains with PCR, RFLP, and DNA sequence analyses. The DNA of these pathogens was detected in 110 (17.79%) samples. RFLP assay showed that all positive samples were infected with A.phagocytophilum-like 1, whereas A.phagocytophilum-like 2 and A.phagocytophilum were not detected. Partial parts of 16 S rRNA gene of seven randomly selected positive samples were sequenced. The phylogenetic analyses of these isolates revealed that at least two A.phagocytophilum-like 1 isolates circulate among hosts in Türkiye and around the world. A.phagocytophilum-related strains have been reported in molecular-based studies over the last few years, but there is a lack of data on the vector competence, epidemiology, clinical symptoms, and genetic diversity of these pathogens. Therefore, large-scale molecular studies are still needed to obtain detailed data on the above-mentioned topics.
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Affiliation(s)
- Ufuk Erol
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, Sivas 58140, Türkiye.
| | - Omer Faruk Sahin
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, Sivas 58140, Türkiye
| | - Osman Furkan Urhan
- Republic of Türkiye Ministry of Agriculture and Forestry, General Directory Meat and Milk Board, Sivas Meat Processing Plant, Sivas 58380, Türkiye
| | - Ahmet Duran Atas
- Department of Parasitology, Faculty of Medicine, University of Sivas Cumhuriyet, Sivas 58140, Türkiye
| | - Kursat Altay
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, Sivas 58140, Türkiye
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Ceylan O, Ma Z, Ceylan C, Culha MH, Galon EM, Ji S, Li H, Zafar I, Mohanta UK, Xuan X, Sevinc F. Wide bovine tick-borne pathogen spectrum: Predominancy of Theileria annulata and the first molecular detection of Ehrlichia minasensis in Turkey. Vet Res Commun 2024; 48:1037-1059. [PMID: 38072901 DOI: 10.1007/s11259-023-10266-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 11/23/2023] [Indexed: 04/07/2024]
Abstract
Vector-borne diseases indulge in severe economic losses in the livestock industry by adversely affecting cattle breeding in tropical and subtropical zone countries, including Turkey, encompassing a wide land area representing diverse climatic conditions. This study aimed to investigate significant bovine tick-borne piroplasm, rickettsia, and some other bacterial agents by genus- or species-specific PCR and nested PCR techniques in Turkey. A total of 210 cattle blood samples were collected from sixteen provinces in different geographical regions of Turkey. PCR analyses were performed targeting the detection of Babesia/Theileria/Hepatozoon sp. 18S rRNA, Babesia/Theileria sp. 18S rRNA (V4), B. bigemina RAP-1a, B. bovis SBP-4, B. ovata AMA-1, B. naoaki AMA-1, T. annulata Tams-1, T. orientalis MPSP, T. mutans 18S rRNA, Anaplasma/Ehrlichia sp. 16S rRNA, A. marginale MSP4, A. bovis 16S rRNA, A. phagocytophilum 16S rRNA, A. capra 16S rRNA, E. ruminantium pSC20, Mycoplasma sp. 16S rRNA, and Coxiella burnetii 16S rRNA genes. Overall, 133 (63.3%) cattle were found to be infected with at least one of the following protozoan or bacterial pathogens; B. bovis, B. bigemina, B. occultans, T. annulata, T. orientalis, A. marginale, A. phagocytophilum, and Mycoplasma sp. The total prevalence of pathogens was determined as follows; 0.5% B. bovis, 0.5% B. bigemina, 1.4% B. occultans, 41.0% T. annulata, 1.4% T. orientalis, 10.5% A. marginale, 13.8% A. phagocytophilum, 0.5% A. bovis, 2.9% Uncultured Anaplasma sp., 0.5% E. minasensis, 0.5% Uncultured Ehrlichia sp., and 23.3% Mycoplasma sp. Moreover, large part of the total infection (n:133) was composed of single infections (63.9%); however, double (24.8%), triple (7.5%), quadruple (2.3%), and quintuple (1.5%) co-infections were also encountered. In addition to some bovine pathogens such as B. occultans, T. orientalis, A. bovis, M. wenyonii, and Candidatus Mycoplasma haemobos, which were rarely reported in Turkey, sequencing and phylogenetic analysis revealed the first detection of Uncultured Ehrlichia sp. (0.5%), and E. minasensis (0.5%) with 100% nucleotide sequence identities. The study also indicates that the spectrum of pathogens harbored by Turkish cattle is quite wide, and these pathogens cause multiple co-infections with various combinations, and T. annulata stands out as the primary bovine pathogen among them.
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Affiliation(s)
- Onur Ceylan
- Faculty of Veterinary Medicine, Department of Parasitology, Selcuk University, Konya, 42130, Turkey.
| | - Zhuowei Ma
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan
| | - Ceylan Ceylan
- Faculty of Veterinary Medicine, Department of Parasitology, Siirt University, Siirt, 56000, Turkey
| | - Muhammed Hudai Culha
- Faculty of Veterinary Medicine, Department of Genetics, Selcuk University, Konya, 42130, Turkey
| | - Eloiza May Galon
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan
| | - Shengwei Ji
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan
| | - Hang Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan
| | - Iqra Zafar
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan
| | - Uday Kumar Mohanta
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan
- Faculty of Animal Science & Veterinary Medicine, Department of Microbiology & Parasitology, Sher-E-Bangla Agricultural University, Dhaka, 1207, Bangladesh
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, 080-8555, Japan.
| | - Ferda Sevinc
- Faculty of Veterinary Medicine, Department of Parasitology, Selcuk University, Konya, 42130, Turkey
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Fathi A, Nabavi R, Noaman V, Sarani A, Saadati D, Ben Said M, Ghafar A, Jabbar A, Sazmand A. Molecular identification, risk factor assessment, and phylogenetic analysis of tick-borne pathogens in symptomatic and asymptomatic cattle from South-Eastern Iran. Exp Appl Acarol 2024; 92:479-506. [PMID: 38457048 DOI: 10.1007/s10493-023-00886-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 12/29/2023] [Indexed: 03/09/2024]
Abstract
Tick-borne pathogens (TBPs) represent a substantial threat to cattle globally, exerting adverse impacts on production, health, and economic viability. This study delves into the prevalence and implications of TTBPs in cattle sourced from resource-limited smallholder livestock farms situated in southeastern Iran, proximate to Afghanistan and Pakistan. Blood and tick specimens were systematically collected from a cohort of 230 cattle, comprising 150 asymptomatic and 80 symptomatic individuals. Genomic DNA isolated from blood samples underwent rigorous examination for the presence of key TBPs, including Anaplasma marginale, A. phagocytophilum, A. bovis, A. centrale, Babesia bigemina, and Theileria annulata, utilizing multiple genetic markers. Nucleotide sequence analysis facilitated the reconstruction of phylogenetic relationships. The study also evaluated various potential risk factors, such as clinical status, gender, age, breed, tick infestation, and management practices, to elucidate their associations with TTBPs. Among the cattle cohort, a staggering 87.8% (202/230) tested positive for at least one pathogen. Prevalence statistics encompassed A. marginale (72.2%), T. annulata (68.3%), A. phagocytophilum/A. platys-like complex (66.1%), A. centrale (16.7%), B. bigemina (10.0%), and A. bovis (6.1%). Remarkably, mixed infections involving two, three, and four pathogens were detected in 23%, 52.1%, and 2.2% of animals, respectively. Notably, all asymptomatic cattle were positive for at least one TBP. Tick infestation was observed in 62.2% (143/230) of cattle, predominantly caused by Hyalomma anatolicum (82.5%), Rhipicephalus (Boophilus) annulatus (13.1%), and R. sanguineus sensu lato (4.4%). Risk factors linked to TBPs encompassed tick infestation, older age, and crossbred animals. Clinical presentations among symptomatic cattle encompassed fever, anemia, weight loss, anorexia, jaundice, and enlarged superficial lymph nodes. This study underscores the pivotal role of asymptomatic carriers in the propagation of TTBPs within endemic regions. Furthermore, it emphasizes the potential for the implementation of molecular diagnostics to unmask subclinical infections, thereby affording the opportunity for targeted interventions aimed at ameliorating the burden of TTBPs in resource-constrained smallholder dairy farms.
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Affiliation(s)
- Atefeh Fathi
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Zabol, Zabol, Iran
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Reza Nabavi
- Department of Pathobiology, Faculty of Veterinary Medicine, Bu-Ali Sina University, Hamedan, 6517658978, Iran.
| | - Vahid Noaman
- Department of Parasitic Disease Research, Agricultural Research, Education and Extension Organization (AREEO), Razi Vaccine and Serum Research Institute, Karaj, Iran
| | - Ali Sarani
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Zabol, Bonjar Road, Zabol, 9861335856, Iran
| | - Dariush Saadati
- Department of Food Hygiene, Faculty of Veterinary Medicine, University of Zabol, Bonjar Road, Zabol, 9861335856, Iran
| | - Mourad Ben Said
- Department of Basic Sciences, Higher Institute of Biotechnology of Sidi Thabet, University of Manouba, 2010, Manouba, Tunisia
- Laboratory of Microbiology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, 2010, Manouba, Tunisia
| | - Abdul Ghafar
- Department of Veterinary Biosciences, Melbourne Veterinary School, Faculty of Science, The University of Melbourne, Werribee, VIC, 3030, Australia
| | - Abdul Jabbar
- Department of Veterinary Biosciences, Melbourne Veterinary School, Faculty of Science, The University of Melbourne, Werribee, VIC, 3030, Australia
| | - Alireza Sazmand
- Department of Pathobiology, Faculty of Veterinary Medicine, Bu-Ali Sina University, Hamedan, 6517658978, Iran
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9
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Vinayaraj EV, Thakur CK, Negi P, Sreenath K, Upadhyay P, Verma N, Das BK, Kabra SK, Wig N, Chaudhry R. Epidemiological, clinical, and laboratory characteristics of human granulocytic anaplasmosis in North India. J Clin Microbiol 2024; 62:e0104823. [PMID: 38329335 PMCID: PMC10935655 DOI: 10.1128/jcm.01048-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 12/22/2023] [Indexed: 02/09/2024] Open
Abstract
Human granulocytic anaplasmosis (HGA) is an emerging, rickettsial tick-borne disease caused by Anaplasma phagocytophilum. Sero-epidemiological data demonstrate that this pathogen has a worldwide distribution. The diagnosis of HGA requires a high index of clinical suspicion, even in endemic areas. In recent years, HGA has increasingly been reported from Asia and described in China, Japan, and Korea. We serologically and molecularly screened 467 patients with clinical suspicion of Anaplasmosis. The present study describes the epidemiology, clinical, and laboratory details of 6 confirmed and 43 probable cases of human granulocytic anaplasmosis. One of the HGA patients developed secondary invasive opportunistic Aspergillus fumigatus and Acinetobacter baumanii infection during the illness, which resulted in a fatal infection. The HGA patients without severe complications had excellent treatment responses to doxycycline. The emergence of this newly recognized tick-borne zoonotic HGA in North India is a significant concern for public health and is likely underdiagnosed, underreported, and untreated. Hence, it is also essential to establish a well-coordinated system for actively conducting tick surveillance, especially in the forested areas of the country.IMPORTANCEThe results of the present study show the clinical and laboratory evidence of autochthonous cases of Anaplasma phagocytophilum in North India. The results suggest the possibility of underdiagnosis of HGA in this geographical area. One of the HGA patients developed secondary invasive opportunistic Aspergillus fumigatus and Acinetobacter baumanii infection during the illness, which resulted in a fatal infection.
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Affiliation(s)
- E. V. Vinayaraj
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - Chandan Kumar Thakur
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - Preeti Negi
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - K. Sreenath
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - Priyanka Upadhyay
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - Nishant Verma
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - Bimal Kumar Das
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
| | - S. K. Kabra
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Naveet Wig
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Rama Chaudhry
- Department of Microbiology, All India Institute of Medical Sciences, New Delhi, India
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10
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Nawaz M, Ullah R, Rehman ZU, Naeem M, Khan A, Bourhia M, Sohail MM, Ali T, Khan A, Hussain T, Iqbal F. Leading report of molecular prevalence of tick borne Anaplasma marginale and Theileria ovis in yaks (Bos grunniens) from Pakistan. Arch Microbiol 2024; 206:149. [PMID: 38466437 DOI: 10.1007/s00203-024-03916-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 03/13/2024]
Abstract
Domestic yak (Bos grunniens) is an economically important feature of the mountainous region of Gilgit-Baltistan in Pakistan where agriculture is restricted and yaks play multiple roles which includes being a source of milk, meat, hides, fuel and power. However little is known about the parasitic infections in Pakistani yaks. Aim of this research was to report the prevalence and genetic diversity of protozoa parasite (Theileria ovis, 18 S rDNA gene was targeted) and an obligate bacterium (Anaplasma marginale, msp-1 gene was amplified) in the blood that was sampled from 202 yaks collected from four districts in Gilgit-Baltistan during January 2023 till January 2024. Results revealed that 6/202 (3%) yaks were of Theileria ovis while 8/202 (4%) were Anaplasma marginale infected. Positive PCR products of both parasites were confirmed by DNA sequencing and their similarity with previously available pathogen sequences was determined by BLAST analysis. Phylogenetic tree indicated that isolates of both parasites displayed genetic. Anaplasma marginale infection varied with the sampling districts and Shigar district had the highest rate of bacterial infection. Cows were significantly more prone to Theileria ovis infection than bulls. Calf and hybrid yaks were more prone to Anaplasma marginale infection. In conclusion, this is the first report that yaks residing the Gilgit-Baltistan region in Pakistan are infected with Theileria ovis and Anaplasma marginale. Similar larger scales studies are recommended in various regions of Gilgit-Baltistan to document the infection rates of these parasites to formulate strategies that will lead to the effective control of these pathogens.
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Affiliation(s)
- Muqaddas Nawaz
- Institute of Zoology, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Rehmat Ullah
- Institute of Zoology, Bahauddin Zakariya University, Multan, 60800, Pakistan
- Department of Biology, Virtual University of Pakistan, Lahore, Pakistan
| | - Zia Ur Rehman
- Department of Physiology, Islamia University Bahawalpur, Bahawalpur, Pakistan
| | - Muhammad Naeem
- Institute of Zoology, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Afshan Khan
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Mohammed Bourhia
- Department of Chemistry and Biochemistry, Faculty of Medicine and Pharmacy, Ibn Zohr University, Laayoune, 70000, Morocco
| | | | - Takbir Ali
- Livestock and Dairy Development Department, Gilgit-Baltistan, Pakistan
| | - Adil Khan
- Department of Botany and Zoology, Bacha Khan University, Charsadda, Khyber Pakhtunkhwa, 24420, Pakistan.
| | - Tanveer Hussain
- Department of Biological Sciences, Virtual University of Pakistan, Islamabad, Pakistan
| | - Furhan Iqbal
- Institute of Zoology, Bahauddin Zakariya University, Multan, 60800, Pakistan.
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11
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Zapa DMB, de Aquino LM, Couto LFM, Heller LM, de Morais IML, Salvador VF, Leal LLLL, Trindade ASN, de Freitas Paula WV, de Lima NJ, Ferreira LL, de Castro Rodrigues D, Strydom T, Torres S, Soares VE, de Oliveira Monteiro CM, da Silva Krawczak F, Lopes WDZ. Enzootic stability of tick fever in Holstein calves grazing in a tropical region, subjected to strategic cattle tick control with fluralaner. Parasit Vectors 2024; 17:120. [PMID: 38461304 PMCID: PMC10924980 DOI: 10.1186/s13071-024-06212-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/11/2024] Open
Abstract
BACKGROUND In 2022, fluralaner was launched on the market for use in the control of the cattle tick Rhipicephalus microplus after showing 100% efficacy in registration trials against the causative agents of cattle tick fever (TFAs). The aim of the present study was to determine whether a strategic control regimen against R. microplus using fluralaner (FLU) in Holstein calves grazing in a tropical region would alter the enzootic stability status of cattle tick fever, triggering outbreaks in these animals up to 22 months age. METHODS In this study, a group of calves treated with FLU was compared with a control group treated with the regimen currently being used on the farm, which consisted of the fipronil + fluazuron formulation (FIFLUA). In the first experiment, the efficacy of the FIFLUA pour-on formulation was evaluated in a field study. In the second experiment, which lasted 550 days, two experimental groups (n = 30/group) of Holstein calves naturally infested with R. microplus were analyzed. Calves aged 4 to 10 months received either a specific treatment regimen with FLU (experimental group) or FIFLUA (control group). During this period, tick counts, animal weight measurement, feces collection (to determine eggs and oocysts per gram of feces), tick fever monitoring, blood smears (to ascertain enzootic stability of the herd), PCR testing for TFAs and serology (indirect enzyme-linked immunosorbent assay [iELISA]) were performed. All calves were evaluated for signs of tick fever between ages 11 and 22 months. RESULTS FIFLUA showed an acaricidal efficacy of > 90% from post-treatment days 14 to 35. Regarding treatments against the TFAs, the average number of treatments was similar between groups, but animals treated with FLU had a smaller reduction in packed cell volume on some of the evaluation dates of the second and third treatment against TFAs. In calves aged 10 months in the FLU group, B. bovis was not detected by PCR (0/15 samples), 40% of the samples had antibody titers and 33% (10/30) of the samples had positive blood smears. Regarding B. bigemina, > 86% of the samples in both groups tested positive for B. bigemina DNA and antibodies; there was no difference in the antibody titers between the groups. There were no clinical cases of cattle tick fever in calves aged 11 to 22 months. CONCLUSIONS In comparison with the control treatment, the strategic control regimen against R. microplus with FLU that was implemented in the present study did not negatively affect the enzootic stability status of A. marginale and B. bigemina in the herd up to 22 months of age. The enzootic stability status of B. bovis was not reached by either group. These results likely represent a characteristic of the local tick population, so further studies should be performed.
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Affiliation(s)
- Dina Maria Beltran Zapa
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Lidia Mendes de Aquino
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Luiz Felipe Monteiro Couto
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Luciana Maffini Heller
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Igor Maciel Lopes de Morais
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Vanessa Ferreira Salvador
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Luccas Lourenzzo Lima Lins Leal
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Artur Siqueira Nunes Trindade
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Warley Vieira de Freitas Paula
- Department of Preventive Veterinary Medicine, School of Veterinary and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Nicolas Jalowitzki de Lima
- Department of Preventive Veterinary Medicine, School of Veterinary and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Lorena Lopes Ferreira
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Daniel de Castro Rodrigues
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
- MSD Animal Health, Franca, São Paulo, Brazil
| | - Tom Strydom
- MSD Animal Health, 20 Spartan Road, Isando, Kempton Park, 1619, South Africa
| | | | | | - Caio Marcio de Oliveira Monteiro
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
- Department of Biosciences and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Felipe da Silva Krawczak
- Department of Preventive Veterinary Medicine, School of Veterinary and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Welber Daniel Zanetti Lopes
- Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil.
- Department of Biosciences and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil.
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12
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Abbas Zadeh M, Hamidinejat H, Nikvand AA, Jalali SM, Bahrami S. Molecular and haematological investigations on Anaplasma ovis infection in goats in Ahvaz, Iran: Insights into infection rate, haemolytic effect and breed influences. Vet Med Sci 2024; 10:e1404. [PMID: 38454742 PMCID: PMC10920994 DOI: 10.1002/vms3.1404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 02/08/2024] [Accepted: 02/16/2024] [Indexed: 03/09/2024] Open
Abstract
BACKGROUND Anaplasma ovis (A. ovis) is the predominant causative agent of anaplasmosis in goats and sheep in most tropical and subtropical regions of the world. However, there is considerable variation in reported infection rates, breed susceptibility, and controversial findings regarding the haemolytic effects of A. ovis infection in goats. OBJECTIVES Thus, we investigated the molecular and haematological aspects of A. ovis infection in goats from Ahvaz city. METHODS One hundred and fifty apparently healthy goats (74 blacks and 76 Najdi goats) were randomly sampled from six flocks in the Ahvaz suburb during ticks' activity season. Haematological evaluation, smear microscopic (SM) examination and PCR assay were performed to assess A. ovis infection. Additionally, the percentage of parasitemia was determined from blood smears. RESULTS SM examination revealed that 25.7% of the goats displayed erythrocyte Anaplasma-like inclusion bodies. PCR analysis indicated that 54% of the goats were positive for A. ovis infection (44.6% of blacks and 63.2% of Najdi goats). No significant difference in haematological values was observed between healthy and infected goats based on PCR testing. However, a significant difference in haematological indices was observed between the group with parasitemia level of 0.01-0.02% (SM and PCR positive) compared to the healthy goats (SM and PCR negative), particularly concerning Hb, PCV and RBC count (p < 0.01). CONCLUSIONS When the parasitemia exceeds 0.01%, A. ovis infection may disrupt haematological parameters in infected goats. The high prevalence of A. ovis infection (54%) among the studied goats underscores the importance of giving special attention to implementing necessary measures for disease control in the Ahvaz suburb.
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Affiliation(s)
- Maryam Abbas Zadeh
- Faculty of Veterinary MedicineDepartment of PathobiologyShahid Chamran University of AhvazAhvazIran
| | - Hossein Hamidinejat
- Faculty of Veterinary MedicineDepartment of PathobiologyShahid Chamran University of AhvazAhvazIran
| | - Ali Abbas Nikvand
- Faculty of Veterinary MedicineDepartment of Clinical SciencesShahid Chamran University of AhvazAhvazIran
| | - Seyedeh Missagh Jalali
- Faculty of Veterinary MedicineDepartment of Clinical SciencesShahid Chamran University of AhvazAhvazIran
| | - Somayeh Bahrami
- Faculty of Veterinary MedicineDepartment of PathobiologyShahid Chamran University of AhvazAhvazIran
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13
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Lagranha C, Morel N, Costa-Junior LM, Klafke G, Gallina T, Reck J. Does parity order or cow antibody level influence the humoral immunity of calves for cattle anaplasmosis? Trop Anim Health Prod 2024; 56:67. [PMID: 38316658 DOI: 10.1007/s11250-024-03916-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 01/30/2024] [Indexed: 02/07/2024]
Abstract
Anaplasmosis is a widely distributed vector-borne disease of cattle caused by the bacteria Anaplasma marginale, which may lead to severe losses in beef and dairy cattle production. Anecdotal information among farmers suggested that some cows may deliver calves more resilient to anaplasmosis. To investigate this, we tested two hypotheses: (i) whether the parity order or (ii) cow antibody levels may influence the humoral immunity of pre-weaning calves against cattle anaplasmosis. For this study, we sampled 170 cattle (Bos taurus taurus, Angus breed) on a farm in Southern Brazil, comprising 85 cows (50 multiparous and 35 primiparous) and their 85 calves (50 days old). Antibodies against A. marginale were investigated using iELISA. Eighty percent of the animals were considered seropositive (100% of the cows and 60% of the calves). There was no significant difference in seroprevalence between calves from primiparous and multiparous cows. However, calves from multiparous cows exhibited higher antibody levels. To address the second question, we classified cows based on their antibody levels to A. marginale (high or low). Calves from cows with high antibody levels also showed elevated antibody levels against A. marginale. Furthermore, calves from cows with high antibody levels had approximately four times greater odds of being seropositive for A. marginale at 50 days old than those born to mothers with low antibody levels. In conclusion, the calf's antibody level against A. marginale appears to be related to the cow's parity order and the mother's antibody level.
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Affiliation(s)
- Camila Lagranha
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado Do Sul, RS, 92990-000, Brazil
- Universidade Federal Do Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - Nicolas Morel
- Instituto Nacional de Tecnología Agropecuaria (INTA), Rafaela, Santa Fe, Argentina
| | - Lívio M Costa-Junior
- Laboratório de Controle de Parasitos, Universidade Federal Do Maranhão (UFMA), São Luís, MA, Brazil
| | - Guilherme Klafke
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado Do Sul, RS, 92990-000, Brazil
| | - Tiago Gallina
- Universidade Federal Do Pampa (UNIPAMPA), Uruguaiana, RS, Brazil
| | - José Reck
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado Do Sul, RS, 92990-000, Brazil.
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14
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Ruiz H, de Arcaute MR, Benito AÁ, Villanueva-Saz S, Jiménez JC, Lacasta D. Long-lasting infection with Anaplasma ovis in sheep. Vet Res Commun 2024; 48:521-525. [PMID: 37528260 PMCID: PMC10810980 DOI: 10.1007/s11259-023-10186-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 07/22/2023] [Indexed: 08/03/2023]
Abstract
Ovine anaplasmosis is an emerging vector-borne disease in Europe caused by Anaplasma ovis. The infection has spread quickly in recent years, causing moderate to severe outbreaks in sheep flocks, leading to relevant economic losses in sheep farming. This wider spread has been associated with global warming and climate change, favouring the maintenance and life cycle of their main vector, the ticks. However, another epidemiological aspect could favour this quick spread. Long persistence infection of Anaplasma ovis has been proposed as a hypothesis in several articles but never scientifically proven. The results of the present study demonstrate that eight adult sheep, both naturally or experimentally infected, maintain Anaplasma ovis load in blood during their whole productive life (4 to 6 years), being permanently infected. In addition, the results suggest that A. ovis bacterial load can be constant or suffer fluctuations, as has been demonstrated in other Anaplasma species. Both aspects can be determinants in the epidemiology and the transmission of the infection.
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Affiliation(s)
- Héctor Ruiz
- Animal Pathology Department, Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, C. Miguel Servet 177, Zaragoza, 50013, Spain.
- Veterinary Faculty, University of Zaragoza, Zaragoza, 50013, Spain.
| | - Marta Ruiz de Arcaute
- Animal Pathology Department, Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, C. Miguel Servet 177, Zaragoza, 50013, Spain
- Veterinary Faculty, University of Zaragoza, Zaragoza, 50013, Spain
| | | | - Sergio Villanueva-Saz
- Animal Pathology Department, Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, C. Miguel Servet 177, Zaragoza, 50013, Spain
- Veterinary Faculty, University of Zaragoza, Zaragoza, 50013, Spain
| | - José Calasanz Jiménez
- Veterinarios Asesores en Clínica y Sanidad Animal S.L, C. Ramón y Cajal 14, Zaragoza, 50003, Spain
| | - Delia Lacasta
- Animal Pathology Department, Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, C. Miguel Servet 177, Zaragoza, 50013, Spain
- Veterinary Faculty, University of Zaragoza, Zaragoza, 50013, Spain
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15
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Chadi H, Moraga-Fernández A, Sánchez-Sánchez M, Chenchouni H, Fernández de Mera IG, Garigliany MM, de la Fuente J, Tennah S, Sedrati T, Ghalmi F. Molecular detection and associated risk factors of Anaplasma marginale, A. ovis and A. platys in sheep from Algeria with evidence of the absence of A. phagocytophilum. Acta Trop 2024; 249:107040. [PMID: 37839669 DOI: 10.1016/j.actatropica.2023.107040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/08/2023] [Accepted: 10/12/2023] [Indexed: 10/17/2023]
Abstract
Anaplasma species are obligate intracellular rickettsial pathogens that cause significant diseases in animals and humans. Despite their importance, limited information on Anaplasma infections in Algeria has been published thus far. This study aimed to assess the infection rate, characterize Anaplasma species, and identify associated risk factors in selected sheep farms across Oum El Bouaghi region in Algeria. In 2018, we collected 417 blood samples from sheep (Ovis aries) and performed molecular characterization of Anaplasma species infecting these animals. This characterization involved the use of 16S rRNA, msp2, rpoB, and msp5 genes, which were analyzed through nested PCR, qPCR, cPCR, DNA sequencing, and subsequent phylogenetic analysis. Our findings revealed infection rates of 12.7 % for Anaplasma species detected, with Anaplasma ovis at 10.8 %, Anaplasma marginale at 1.7 %, and Anaplasma platys at 0.2 %. Interestingly, all tested animals were found negative for Anaplasma phagocytophilum. Statistical analyses, including the Chi-square test and Fisher exact test, failed to establish any significant relationships (p > 0.05) between A. ovis and A. platys infections and variables such as age, sex, sampling season, and tick infestation level. However, A. marginale infection exhibited a significant association with age (p < 0.05), with a higher incidence observed in lambs (5.2 %) compared to other age groups. Remarkably, this study represents the first molecular detection of A. platys and A. marginale in Algerian sheep. These findings suggest that Algerian sheep may serve as potential reservoirs for these pathogens. This research contributes valuable insights into the prevalence and characteristics of Anaplasma infections in Algerian sheep populations, emphasizing the need for further investigation and enhanced surveillance to better understand and manage these diseases.
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Affiliation(s)
- Hafidha Chadi
- Research Laboratory Management of Local Animal Resources, Higher National Veterinary School (ENSV), El Harrach, Algiers 16004, Algeria; Department of Applied Biology, Faculty of Exact Sciences and Nature and Life Sciences, University of Echahid Cheikh Larbi Tebessi, Tebessa 12000, Algeria.
| | - Alberto Moraga-Fernández
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real 13005, Spain
| | - Marta Sánchez-Sánchez
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real 13005, Spain
| | | | - Isabel G Fernández de Mera
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real 13005, Spain
| | - Mutien-Marie Garigliany
- Fundamental and Applied Research for Animals and Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Belgium
| | - José de la Fuente
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real 13005, Spain; Center for Veterinary Health Sciences, Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, OK 74078, USA
| | - Safia Tennah
- Research Laboratory Management of Local Animal Resources, Higher National Veterinary School (ENSV), El Harrach, Algiers 16004, Algeria
| | - Tahar Sedrati
- Research Laboratory Management of Local Animal Resources, Higher National Veterinary School (ENSV), El Harrach, Algiers 16004, Algeria; Department of Biology, University of Mohamed El Bachir El Ibrahimi, Bordj Bou Arréridj 34000, Algeria
| | - Farida Ghalmi
- Research Laboratory Management of Local Animal Resources, Higher National Veterinary School (ENSV), El Harrach, Algiers 16004, Algeria
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Jablinski AC, Reppert EJ, Huser S, Robért BD, Jaeger JR, Kang Q, Liu R, Anantatat T, Armstrong CL, Reif KE. Kansas beef bulls with chronic anaplasmosis demonstrate satisfactory breeding soundness outcomes at breeding soundness examination. J Am Vet Med Assoc 2024; 262:53-60. [PMID: 38103383 DOI: 10.2460/javma.23.05.0292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 09/12/2023] [Indexed: 12/19/2023]
Abstract
OBJECTIVE The objectives of this study were to evaluate the prevalence of chronic Anaplasma marginale infection in beef bulls from eastern Kansas and compare breeding soundness parameters between A marginale-infected and uninfected bulls. We hypothesized that bulls with chronic anaplasmosis would have inferior breeding soundness exam (BSE) outcomes as a result of persistent A marginale infection or the consequence of initial clinical disease compared to uninfected bulls. ANIMALS 535 client-owned beef bulls from eastern Kansas undergoing routine BSE. METHODS Complete BSEs were conducted by participating veterinarians according to the second edition of the Society for Theriogenology Manual for Breeding Soundness Examination of Bulls. Blood samples were collected for PCV determination and analysis of A marginale infection status via quantitative PCR and cELISA. Logistic and linear regression methods were used to evaluate factors associated with A marginale infection status and BSE parameters. RESULTS Prevalence of chronic A marginale infection was 46% (245/535) among bulls. Unsatisfactory BSE outcome was not statistically associated with chronic anaplasmosis in this study population, although more bulls with chronic anaplasmosis had unsatisfactory BSE outcomes (15.0 ± 2.4% vs 12.0 ± 2.2%). CLINICAL RELEVANCE Chronic anaplasmosis is prevalent among eastern Kansas breeding bulls; however, no negative association between chronic anaplasmosis and breeding soundness at time of BSE was observed.
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Affiliation(s)
- Anne C Jablinski
- 1Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS
- 2Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS
| | - Emily J Reppert
- 2Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS
| | - Shaun Huser
- 2Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS
| | | | - John R Jaeger
- 4Western Kansas Agricultural Research and Extension Center, Kansas State University, Hays, KS
| | - Qing Kang
- 5Department of Statistics, Kansas State University, Manhattan, KS
| | - Rui Liu
- 5Department of Statistics, Kansas State University, Manhattan, KS
| | - Tippawan Anantatat
- 1Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS
| | - Chance L Armstrong
- 6Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL
| | - Kathryn E Reif
- 1Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS
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17
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Chien RC, Mingqun L, Yan Q, Randolph N, Huang W, Wellman M, Toribio R, Rikihisa Y. Strains of Anaplasma phagocytophilum from horses in Ohio are related to isolates from humans in the northeastern USA. Microbiol Spectr 2023; 11:e0263223. [PMID: 37882777 PMCID: PMC10715102 DOI: 10.1128/spectrum.02632-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 09/15/2023] [Indexed: 10/27/2023] Open
Abstract
IMPORTANCE The tick-borne obligatory intracellular bacterium Anaplasma phagocytophilum infects humans as well as domesticated and wild animals, causing a febrile disease collectively called granulocytic anaplasmosis. The epidemiology and the host species specificity and zoonotic potential of A. phagocytophilum strains remain unclear. In this study, ankA (encoding ankyrin A) and p44 gene sequences of A. phagocytophilum were determined in clinical specimens from horses in Ohio and compared with those found in A. phagocytophilum strains from various hosts and geographic regions. With increasing numbers of seropositive horses, the study points out the unrecognized prevalence and uncharacterized strains of A. phagocytophilum infection in horses and the importance of A. phagocytophilum molecular testing for the prevention of equine and human granulocytic anaplasmosis.
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Affiliation(s)
- Rory C Chien
- Laboratory of Molecular, Cellular, and Environmental Rickettsiology, Infectious Diseases Institute, The Ohio State University , Columbus, Ohio, USA
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University , Columbus, Ohio, USA
| | - Lin Mingqun
- Laboratory of Molecular, Cellular, and Environmental Rickettsiology, Infectious Diseases Institute, The Ohio State University , Columbus, Ohio, USA
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University , Columbus, Ohio, USA
| | - Qi Yan
- Laboratory of Molecular, Cellular, and Environmental Rickettsiology, Infectious Diseases Institute, The Ohio State University , Columbus, Ohio, USA
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University , Columbus, Ohio, USA
| | - Nina Randolph
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University , Columbus, Ohio, USA
| | - Weiyan Huang
- Laboratory of Molecular, Cellular, and Environmental Rickettsiology, Infectious Diseases Institute, The Ohio State University , Columbus, Ohio, USA
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University , Columbus, Ohio, USA
| | - Maxey Wellman
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University , Columbus, Ohio, USA
| | - Ramiro Toribio
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University , Columbus, Ohio, USA
| | - Yasuko Rikihisa
- Laboratory of Molecular, Cellular, and Environmental Rickettsiology, Infectious Diseases Institute, The Ohio State University , Columbus, Ohio, USA
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University , Columbus, Ohio, USA
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18
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N. NA. Bovine anaplasmosis: A systematic review with meta-analysis on the global prevalence. Trop Biomed 2023; 40:375-382. [PMID: 38308823 DOI: 10.47665/tb.40.4.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2024]
Abstract
Bovine anaplasmosis, caused by Anaplasma marginale, is a significant infectious disease affecting cattle populations globally. However, the prevalence and distribution of bovine anaplasmosis vary across regions, making it crucial to assess its global burden systematically. This study aims to provide a comprehensive understanding of the global prevalence of bovine anaplasmosis and synthesized data from diverse geographic regions. A literature search was conducted to identify all relevant published articles reporting the prevalence of bovine anaplasmosis and a total of 164 studies were found eligible for final systematic review and meta-analysis. Meta-analysis was conducted using meta package of R software and summary estimates of the prevalence were calculated. Meta-analysis of 129,851 samples from 42 countries was conducted and the overall estimated prevalence of bovine anaplasmosis was found to be 38% (100% CI = 33% - 42%). The prevalence was found to be higher in cattle (39.9%) in comparison to yaks (6.4%). Diagnosis using serology (40.2%) yielded a higher prevalence compared to molecular testing (38.3%) and blood smears (22.4%) methods. Additionally, there were significant differences in the prevalence of bovine anaplasmosis between different countries (p<0.05). This study will inform evidence-based strategies for control and prevention of bovine anaplasmosis on a global scale by discovering the true extent of the disease and identifying high-prevalence areas.
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19
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Mohanta UK, Chikufenji B, Galon EM, Ji S, Ma Z, El-Sayed SAES, Amer MM, Do TT, Xuan X. Molecular characterization and phylogeny of Anaplasma marginale, A. phagocytophilum and A. bovis in livestock of Bangladesh. Parasitol Int 2023; 97:102790. [PMID: 37544642 DOI: 10.1016/j.parint.2023.102790] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/21/2023] [Accepted: 08/03/2023] [Indexed: 08/08/2023]
Abstract
The emergence of Tick-borne Anaplasma spp. poses a significant threat to humans and animals worldwide. Traditional surveys based on examining blood smears overlook the existence of emerging pathogens. This study aimed to screen Anaplasma spp. in livestock species from diverse geographies with molecular tools. We collected 276 blood samples from cattle (Bos indicus), gayals (Bos frontalis) and goats (Capra hircus) in Jhenaidah, Bogura, Sirajganj and Bandarban districts, and Naikhongchari sub-district from June 2021 to March 2022. After that, a molecular screening was conducted through polymerase chain reaction (PCR) and sequencing was done to confirm the PCR results. The PCR assays were performed based on the analyses of groEL (Anaplasma marginale) and 16S rRNA (A. phagocytophilum and A. bovis). The Anaplasma spp. detected in this study were A. marginale (10.51%), A. phagocytophilum (0.72%), and A. bovis (63.77%). However, A. platys was not detected in this study. Among the screened pathogens, the detection of A. bovis (82.86%) was significantly high in the Bandarban district, while A. marginale was found only in cattle in this location. Regarding animal species, the occurrence of A. bovis was significantly higher in cattle. Moreover, the detection rate of A. marginale was significantly higher in adult cattle (≥2 years). The phylogenetic analyses revealed that the groEL sequences of A. marginale and 16S rRNA sequences of A. bovis and A. phagocytophilum were included in a single clade in the respective phylograms, showing a single genotype of each species circulating in Bangladesh. This study reports the existence of A. phagocytophilum in Bangladesh for the first time.
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Affiliation(s)
- Uday Kumar Mohanta
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan; Department of Microbiology and Parasitology, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, Bangladesh
| | - Boniface Chikufenji
- 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
| | - Shengwei Ji
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
| | - Zhuowei Ma
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
| | - Moaz M Amer
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
| | - Thanh Thom Do
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Hokkaido, Japan.
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20
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Zhyldyz A, Aitakin K, Atabek B, Elmurat J, Rysbek N, Jailobek O, Ahedor B, Otgonsuren D, Mumbi NNM, Guswanto A, Sivakumar T, Yokoyama N. An epidemiological survey of vector-borne pathogens infecting cattle in Kyrgyzstan. Parasitol Int 2023; 97:102791. [PMID: 37544641 DOI: 10.1016/j.parint.2023.102791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/21/2023] [Accepted: 08/03/2023] [Indexed: 08/08/2023]
Abstract
Cattle production is a major contributor to the national economy of Kyrgyzstan. Most cattle in Kyrgyzstan are managed via extensive systems and graze in communal pastures. As a result, infestations with ectoparasites are widespread, implying that various vector-borne diseases might be common in cattle. However, methods to control such infectious diseases are not available in Kyrgyzstan because the epidemiology of vector-borne pathogens (VBPs) infecting cattle remains unclear. The present study was therefore designed to survey Kyrgyz cattle for VBPs. We prepared blood DNA samples from 319 cattle in Kyrgyzstan and screened them with specific PCR assays for detecting Babesia bovis, Babesia bigemina, Babesia naoakii, Theileria annulata, Theileria orientalis, Trypanosoma evansi, Trypanosoma theileri, and Anaplasma marginale infections. Our findings indicated that the surveyed cattle were infected with six of the eight pathogens targeted, with the exceptions being B. naoakii and Try. evansi. The most common pathogen was T. orientalis (84.3%), followed by B. bigemina (47.6%), T. annulata (16.6%), A. marginale (11.6%), Try. theileri (7.2%), and B. bovis (2.5%). Additional screening of the B. bovis- and B. bigemina-negative samples with a Babesia genus-specific 18S rRNA PCR identified two positive samples, and sequencing analysis confirmed that each of them was infected with either Babesia major or Babesia occultans. To the best of our knowledge, this is the first report of B. bovis, B. bigemina, B. occultans, Try. theileri, and A. marginale infections in cattle in Kyrgyzstan. Our findings suggest that cattle in Kyrgyzstan are at high risk of infectious diseases caused by VBPs.
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Affiliation(s)
- Atambekova Zhyldyz
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; Kyrgyz Research Institute of Veterinary Named After A. Duisheev, Togolok Moldo Str. 60, Bishkek 720033, Kyrgyzstan
| | - Kamarli Aitakin
- Kyrgyz Research Institute of Veterinary Named After A. Duisheev, Togolok Moldo Str. 60, Bishkek 720033, Kyrgyzstan
| | - Berdikulov Atabek
- Kyrgyz Research Institute of Veterinary Named After A. Duisheev, Togolok Moldo Str. 60, Bishkek 720033, Kyrgyzstan
| | - Jetigenov Elmurat
- Kyrgyz National Agrarian University Named After. K.I. Scryabin, Mederova Str. 68, Bishkek 720005, Kyrgyzstan
| | - Nurgaziev Rysbek
- Kyrgyz National Agrarian University Named After. K.I. Scryabin, Mederova Str. 68, Bishkek 720005, Kyrgyzstan
| | - Orozov Jailobek
- Kyrgyz Research Institute of Veterinary Named After A. Duisheev, Togolok Moldo Str. 60, Bishkek 720033, Kyrgyzstan
| | - Believe Ahedor
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Davaajav Otgonsuren
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Ngigi Noel Muthoni Mumbi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Azirwan Guswanto
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Thillaiampalam Sivakumar
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
| | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan; WOAH Reference Laboratories for Bovine Babesiosis and Equine Piroplasmosis, National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555, Japan.
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21
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Arif M, Saeed S, Bashir A, Farooq M, Nasreen N, Khan A, Asif M, Khalil MA, Ijaz M, Muqaddas H, Mehmood N, Iqbal F, Chen CC. Molecular prevalence and phylogeny of Anaplasma marginale, Anaplasma ovis and Theileria ovis in goats and sheep enrolled from a hill station in Punjab, Pakistan. PLoS One 2023; 18:e0291302. [PMID: 37939034 PMCID: PMC10631641 DOI: 10.1371/journal.pone.0291302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 08/22/2023] [Indexed: 11/10/2023] Open
Abstract
Anaplasma marginale (A. marginale), Anaplasma ovis (A. ovis) and Theileria ovis (T. ovis) are among the most commonly reported intracellular tick borne pathogens that infect ruminants across the globe causing huge economic losses. This study aims to report the prevalence and phylogenetic evaluation of these three pathogens infecting sheep and goats (n = 333) that were enrolled from Fort Munro region in Pakistan by using msp1b, msp4 and 18S rRNA genes for A. marginale, A. ovis and T. ovis respectively. Results revealed almost similar infection rates in sheep and goats with an overall prevalence of 11% for A. marginale, 28% for A. ovis and 3% for T. ovis. Concurrent infection was also recorded, however, the number of animals infected with two pathogens (n = 24; 7.2%) was higher than infection with three pathogens (n = 2; 0.6%). Risk factor analysis revealed that sheep reared in small herds had higher A. marginale (P = 0.03) and A. ovis (P = 0.04) infection rates compared to those from large herds. In addition, it was observed that bucks (P ≤ 0.05) and tick-free goats (P ≤ 0.05) exhibited higher A. ovis infection rates than nannies. Phylogenetic analysis of all three pathogens showed that Pakistani isolates were clustered together and were closely related to previously deposited Pakistani isolates as well as with those that were reported from worldwide countries. In conclusion, we are reporting that Pakistani sheep and goats have A. marginale, A. ovis and T. ovis mediated infections and control measures should be taken against them to improve the productivity of the livestock sector.
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Affiliation(s)
- Muhammad Arif
- Department of Zoology, Ghazi University, Dera Ghazi Khan, Pakistan
| | - Suleman Saeed
- Department of Zoology, Ghazi University, Dera Ghazi Khan, Pakistan
| | - Ahsan Bashir
- Department of Zoology, Ghazi University, Dera Ghazi Khan, Pakistan
| | - Muhammad Farooq
- Department of Zoology, Ghazi University, Dera Ghazi Khan, Pakistan
| | - Nasreen Nasreen
- Department of Zoology, Abdul Wali Khan University, Mardan, Pakistan
| | - Adil Khan
- Department of Botany and Zoology, Bacha Khan University, Charsadda, Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Asif
- Institute of Zoology, Bahauddin Zakariya University, Multan, Pakistan
| | | | - Maryam Ijaz
- Institute of Zoology, Bahauddin Zakariya University, Multan, Pakistan
| | - Hira Muqaddas
- Department of Zoology, The Women University Multan, Pakistan
| | - Naunain Mehmood
- Department of Zoology, University of Sargodha, Pakistan
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Furhan Iqbal
- Department of Zoology, Abdul Wali Khan University, Mardan, Pakistan
| | - Chien-Chin Chen
- Department of Pathology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan
- Department of Cosmetic Science, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
- Ph.D. Program in Translational Medicine, Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan
- Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan
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Gettings JR, McMahan CS, Cleveland CA, Varela-Stokes A, Hubbard K, Hamer SA, Walden HS, Yabsley MJ. Association between vector-borne pathogen seroprevalence in shelter-housed and owned dog populations in the contiguous United States of America. Parasit Vectors 2023; 16:405. [PMID: 37936243 PMCID: PMC10629048 DOI: 10.1186/s13071-023-05994-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 10/03/2023] [Indexed: 11/09/2023] Open
Abstract
Domestic dogs are susceptible to numerous vector-borne pathogens that are of significant importance for their health. In addition to being of veterinary importance, many of these pathogens are zoonotic and thus may pose a risk to human health. In the USA, owned dogs are commonly screened for exposure to or infection with several canine vector-borne pathogens. Although the screening data are widely available to show areas where infections are being diagnosed, testing of owned dogs is expected to underestimate the actual prevalence in dogs that have no access to veterinary care. The goal of this study was to measure the association between the widely available data from a perceived low-risk population with temporally and spatially collected data from shelter-housed dog populations. These data were then used to extrapolate the prevalence in dogs that generally lack veterinary care. The focus pathogens included Dirofilaria immitis, Ehrlichia spp., Anaplasma spp., and Borrelia burgdorferi. There was a linear association between the prevalence of selected vector-borne pathogens in shelter-housed and owned dog populations and, generally, the data suggested that prevalence of heartworm (D. immitis) infection and seroprevalence of Ehrlichia spp. and B. burgdorferi are higher in shelter-housed dogs, regardless of their location, compared with the owned population. The seroprevalence of Anaplasma spp. was predicted to be higher in areas that have very low to low seroprevalence, but unexpectedly, in areas of higher seroprevalence within the owned population, the seroprevalence was expected to be lower in the shelter-housed dog population. If shelters and veterinarians make decisions to not screen dogs based on the known seroprevalence of the owned group, they are likely underestimating the risk of exposure. This is especially true for heartworm. With this new estimate of the seroprevalence in shelter-housed dogs throughout the USA, shelters and veterinarians can make evidence-based informed decisions on whether testing and screening for these pathogens is appropriate for their local dog population. This work represents an important step in understanding the relationships in the seroprevalences of vector-borne pathogens between shelter-housed and owned dogs, and provides valuable data on the risk of vector-borne diseases in dogs.
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Affiliation(s)
- Jenna R Gettings
- Southeastern Cooperative Wildlife Disease Study, Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, 30602, USA
| | - Christopher S McMahan
- School of Mathematical and Statistical Sciences, Clemson University, Clemson, South Carolina, 29634, USA
| | - Christopher A Cleveland
- Southeastern Cooperative Wildlife Disease Study, Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, 30602, USA
| | - Andrea Varela-Stokes
- Department of Comparative Biomedical Sciences, College of Veterinary Medicine, Mississippi State University, Starkville, Mississippi, 39762, USA
- Department of Comparative Pathobiology, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA
| | - Kris Hubbard
- Department of Pathobiology and Population Medicine, Mississippi State University College of Veterinary Medicine, Mississippi, 39762, USA
| | - Sarah A Hamer
- Department of Veterinary Integrative Biosciences, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, 77843, USA
| | - Heather S Walden
- Department of Comparative, Diagnostic and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, Florida, 32608, USA
| | - Michael J Yabsley
- Southeastern Cooperative Wildlife Disease Study, Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia, 30602, USA.
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, Georgia, 30602, USA.
- Center for the Ecology of Infectious Diseases, University of Georgia, University of Georgia, Athens, Georgia, 30602, USA.
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23
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Lin ZT, Ye RZ, Liu JY, Wang XY, Zhu WJ, Li YY, Cui XM, Cao WC. Epidemiological and phylogenetic characteristics of emerging Anaplasma capra: A systematic review with modeling analysis. Infect Genet Evol 2023; 115:105510. [PMID: 37778674 DOI: 10.1016/j.meegid.2023.105510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/19/2023] [Accepted: 09/28/2023] [Indexed: 10/03/2023]
Abstract
Anaplasma capra, an emerging tick-borne pathogen, has caused a lot of concern since initially recognized in goats and patients in China in 2015, and has been reported in a wide range of domestic and wild animals as well as ticks worldwide, posing a threat to public health. In this systematic review, we established a comprehensive database to acquire the distribution and prevalence status of this pathogen, and collected all sequences of A. capra to summarize the details of genetic diversity by phylogenetic analysis. We also predicted the possible global distribution of A. capra by using ecological niche model. A. capra has been known to distribute in 18 countries across Asia, Europe and Africa. A total of 19 species of mammals from seven families have been reported as hosts, and domestic ruminants including goats, sheep and cattle were the major hosts. At least 8 tick species of 4 genera have been reported to carry A. capra, and Haemaphysalis longicornis was most commonly infected. Sheep and Rhipicephalus microplus had the highest positive rates among animals and ticks. Phylogenetic analysis based on gltA and groEL genes revealed that A. capra could primarily be divided into two clusters related to geographic location and animal hosts. The predictive model showed that the most suitable habitats for presence of A. capra were mainly located in Asia and eastern Europe. These cumulative data regarding A. capra of our study lay a foundation for the subsequent exploration of this emerging tick-borne pathogen.
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Affiliation(s)
- Zhe-Tao Lin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
| | - Run-Ze Ye
- Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China
| | - Jin-Yue Liu
- Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China
| | - Xiao-Yang Wang
- Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China
| | - Wen-Jie Zhu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
| | - Yu-Yu Li
- Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China
| | - Xiao-Ming Cui
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
| | - Wu-Chun Cao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China; Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China.
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Zhou S, Huang L, Lin Y, Bhowmick B, Zhao J, Liao C, Guan Q, Wang J, Han Q. Molecular surveillance and genetic diversity of Anaplasma spp. in cattle (Bos taurus) and goat (Capra aegagrus hircus) from Hainan island/province, China. BMC Vet Res 2023; 19:213. [PMID: 37853405 PMCID: PMC10583423 DOI: 10.1186/s12917-023-03766-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 10/02/2023] [Indexed: 10/20/2023] Open
Abstract
Anaplasmosis is a highly prevalent tick-borne intracellular bacterial disease that affects various host species globally, particularly ruminants in tropical and subtropical regions. However, information regarding the distribution and epidemiology of anaplasmosis in small and large ruminants on Hainan Isalnd is limited. To address this knowledge gap, the present study aimed to assess the occurrence of Anaplasma spp. infections in goats (N = 731) and cattle (N = 176) blood samples using nested PCR and conventional PCR based assays. The results revealed an overall prevalence of 30.1% in goats and 14.8% in cattle. The infection rates of A. bovis, A. phagocytophilum, A. ovis and A. capra in goat samples were 22.7%, 13.8%, 2.0% and 3.4%, respectively, while the infection rates of A. bovis, A. phagocytophilum and A. marginale in cattle samples were 11.4%, 6.3% and 5.7%, respectively. A. bovis exhibited the highest prevalence among the Anaplasma spp. in both goat and cattle samples. In addition, the most frequent co-infection was the one with A. phagocytophilum and A. bovis. It was found that the age, sex and feeding habits of cattle and goats were considered to be important risk factors. Evaluation of the risk factor relating to the rearing system showed that the infection rate for the free-range goats and cattle was significantly higher when compared with stall-feeding system.This study represents one of the largest investigations on the distribution, prevalence, and risk factors associated with Anaplasma infection in ruminants on Hainan Island, highlighting a higher circulation of the infection in the region than previously anticipated. Further reasesrch is necessary to investigate tick vectors, reservoir animals, and the zoonotic potential of the Anaplasma spp. in this endemic region of Hainan Island.
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Affiliation(s)
- Sa Zhou
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China
- College of Animal Science and Technology, Hainan University, Haikou, 570228, Hainan, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China
| | - Liangyuan Huang
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China
- College of Animal Science and Technology, Hainan University, Haikou, 570228, Hainan, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China
| | - Yang Lin
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China
- College of Animal Science and Technology, Hainan University, Haikou, 570228, Hainan, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China
| | - Biswajit Bhowmick
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China
| | - Jianguo Zhao
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China
| | - Chenghong Liao
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China
| | - Qingfeng Guan
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China
| | - Jinhua Wang
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China.
- College of Animal Science and Technology, Hainan University, Haikou, 570228, Hainan, China.
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China.
| | - Qian Han
- One Health Institute, Hainan University, Haikou, 570228, Hainan, China.
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou, 570228, Hainan, China.
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Kruppenbacher AS, Müller E, Aardema ML, Schäfer I, von Loewenich FD. Granulocytic anaplasmosis in cats from central Europe and molecular characterization of feline Anaplasma phagocytophilum strains by ankA gene, groEL gene and multilocus sequence typing. Parasit Vectors 2023; 16:348. [PMID: 37803346 PMCID: PMC10557162 DOI: 10.1186/s13071-023-05954-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/28/2023] [Indexed: 10/08/2023] Open
Abstract
BACKGROUND Anaplasma phagocytophilum is a Gram-negative obligate intracellular bacterium that replicates in neutrophil granulocytes. It is transmitted by ticks of the Ixodes ricinus complex and causes febrile illness called granulocytic anaplasmosis primarily in humans, horses, dogs, sheep, cattle and goats. In comparison, clinically apparent disease has been described rarely in cats especially compared to dogs and horses. It is currently unknown whether cats are less susceptible to A. phagocytophilum or whether granulocytic anaplasmosis might be underdiagnosed in cats. METHODS To address this question, we examined clinical signs and laboratory findings in seven A. phagocytophilum infected cats from Germany and Switzerland. We then genetically characterized feline A. phagocytophilum strains and compared them to those from other hosts showing clinically apparent disease. For this purpose, ankA-based, groEL-based and multilocus sequence typing (MLST) were applied. Furthermore, the concordance between these typing methods was assessed. RESULTS Fever, lethargy and anorexia were the most common clinical signs in cats suffering from granulocytic anaplasmosis. The most frequent laboratory finding was thrombocytopenia. All three typing methods consistently indicated that the A. phagocytophilum strains found infecting cats are the same as those that cause disease in humans, dogs and horses. In general, the three typing methods applied exhibited high concordance. CONCLUSIONS The genetic characterization of the feline A. phagocytophilum strains indicates that strain divergence is not the explanation for the fact that granulocytic anaplasmosis is much less frequently diagnosed in cats than in dogs and horses. Otherwise, it may be possible that cats are less susceptible to the same strains than dogs and horse are. However, due to the unspecific clinical signs, it should be considered that granulocytic anaplasmosis may be under-diagnosed in cats.
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Affiliation(s)
| | | | - Matthew L. Aardema
- Department of Biology, Montclair State University, Montclair, NJ USA
- Institute for Comparative Genomics, American Museum of Natural History, New York, NY USA
| | - Ingo Schäfer
- LABOKLIN GmbH and Co. KG, Bad Kissingen, Germany
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Braff JC, Arguello-Marin A, Hanscom J, Saucier J, Beall MJ, Qurollo BA, Chandrashekar R, Buch J. Evaluation of Anaplasma spp. seroprevalence in dogs and association with incidence of human anaplasmosis. Vet Parasitol Reg Stud Reports 2023; 45:100923. [PMID: 37783532 DOI: 10.1016/j.vprsr.2023.100923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 07/24/2023] [Accepted: 08/22/2023] [Indexed: 10/04/2023]
Abstract
Point-of-care (POC) ELISA tests are routinely used in US veterinary practices to screen canine patients for antibodies to tick-transmitted pathogens. Results are also used to monitor spatial and temporal trends in canine seroprevalence, and these data can build awareness of the risk to humans of tick-transmitted diseases such as Lyme disease and anaplasmosis. This study utilized a second-generation test that has incorporated additional Anaplasma-specific peptides into a commercial POC ELISA test to allow detection of Anaplasma spp. antibodies earlier post-infection. A convenience population consisting of 19,894 canine samples from a US commercial diagnostic laboratory were tested using the second-generation POC ELISA test to describe regional Anaplasma spp. canine seroprevalence and assess correlation to anaplasmosis cases reported to Centers for Disease Control and Prevention by state. Antibodies to Anaplasma spp. were detected in 1646 samples (8.3%) with the Northeast and Midwest US census regions having the highest proportion of positive samples. At the state level, a significant correlation was found between canine Anaplasma spp. seroprevalence and human anaplasmosis incidence (r2 = 0.64). Although estimates of canine Anaplasma spp. seroprevalence presented here using the second-generation POC ELISA are generally increased, especially in the Northeast and Midwest, the regional distribution of canine samples testing positive for Anaplasma spp. antibodies is consistent with previous reports. The observed correlation with human anaplasmosis incidence indicates that results from the second-generation POC ELISA will continue to add value in epidemiological assessment of human anaplasmosis risk.
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Affiliation(s)
- Jennifer C Braff
- IDEXX Laboratories, Inc., 1 IDEXX Drive, Westbrook, ME 04092, USA.
| | | | - Jancy Hanscom
- IDEXX Laboratories, Inc., 1 IDEXX Drive, Westbrook, ME 04092, USA.
| | - Jill Saucier
- IDEXX Laboratories, Inc., 1 IDEXX Drive, Westbrook, ME 04092, USA.
| | - Melissa J Beall
- IDEXX Laboratories, Inc., 1 IDEXX Drive, Westbrook, ME 04092, USA.
| | - Barbara A Qurollo
- College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, 11, Raleigh, NC 27606, USA.
| | | | - Jesse Buch
- IDEXX Laboratories, Inc., 1 IDEXX Drive, Westbrook, ME 04092, USA.
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Foughali AA, Mhadhbi M, Amairia S, Dhibi M, Bitam I, Boukabache H, Berbar A, Rjeibi MR, Gharbi M. Cattle co-infection patterns by hemopathogens and their phylogenetic analysis during the tick season in Constantine and Mila, Northeast Algeria. Parasitol Res 2023; 122:2245-2257. [PMID: 37480507 DOI: 10.1007/s00436-023-07916-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 06/27/2023] [Indexed: 07/24/2023]
Abstract
Tropical theileriosis, babesiosis, and anaplasmosis are the most dominant tick-borne infections in North Africa where they cause significant economic losses in ruminants' industry. The aim of the present work was to study infections and co-infection patterns in 66 cattle with clinical signs of piroplasmosis and/or anaplasmosis in two localities, Beni Hamidene and Grarem Gouga, districts of Constantine and Mila (Northeast of Algeria), respectively. This study was conducted between early May and late September during four years 2017, 2018, 2020, and 2021. PCR showed that the most frequent pathogen in cattle with clinical signs of piroplasmosis and/or anaplasmosis was Theileria annulata (66/66; 100%) followed by Babesia bovis (21/66; 31.8%), Anaplasma marginale (15/66; 22.7%), and Babesia bigemina (3/66; 4.5%) (p < 0.001). Giemsa-stained blood smears examinations revealed that 66.7% (44/66); 10.6% (7/66); and 9.1% (6/66) of cattle were infected by T. annulata, Babesia spp., and A. marginale, respectively (p < 0.001). PCR revealed seven co-infection patterns: T. annulata/A. marginale (15/66; 22.7%), T. annulata/B. bovis (21/66; 31.8%), T. annulata/B. bigemina (3/66; 4.5%), T. annulata/A. marginale/B. bovis (7/66; 10.6%), T. annulata/B. bovis/B. bigemina (2/66; 3%), T. annulata/A. marginale/B. bigemina (1/66; 1.5%), and T. annulata/A. marginale/B. bigemina/B. bovis (1/66; 1.5%). Phylogenetic analyses showed that T. annulata Tams1 and B. bigemina gp45 sequences were identical to isolates from Mauritania and South Africa, respectively. The three A. marginale amplicons obtained herein had 99.63 to 99.88% similarity between them. This study provides data that can be used to improve control programs targeting these cattle hemopathogens.
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Affiliation(s)
- Asma Amina Foughali
- Laboratoire de Biodiversité Et Environnement: Interactions Et Génomes, Université Des Sciences et de la Technologie Houari Boumédiène, BP 32 Bab Zouar, 1611, Algiers, Algeria.
- Institut Des Sciences Vétérinaires, Université de Blida 1, BP 270, Ouled Yaich, 9000 Blida, Algeria.
| | - Moez Mhadhbi
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
| | - Safa Amairia
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
| | - Mokhtar Dhibi
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
| | - Idir Bitam
- Laboratoire de Biodiversité Et Environnement: Interactions Et Génomes, Université Des Sciences et de la Technologie Houari Boumédiène, BP 32 Bab Zouar, 1611, Algiers, Algeria
- École Supérieure en Sciences de l'Aliment et des Industries Agroalimentaires (ESSAIA), El Harrach, Algiers, Algeria
| | - Hadjer Boukabache
- Laboratoire de l'Environnement, Santé et Productions Animales (LESPA), Institut des Sciences Vétérinaires et des Sciences Agronomiques, Université de Batna 1-El-Hadj Lakhdar, 05000, Batna, Algeria
| | - Ali Berbar
- Laboratoire des Biotechnologies Liées à la Reproduction Animale (LBRA), Université, Blida 1, Blida, Algeria
| | - Mohamed Ridha Rjeibi
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
- Laboratoire de Parasitologie, Institut de La Recherche Vétérinaire de Tunisie, Univ. Tunis El Manar, 20 Rue de Jebel Lakdhar, La Rabta, 1006, Tunis, Tunisia
| | - Mohamed Gharbi
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
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Briggs C, Smith E, Vansandt J, Carr B, Loftin K, McDermott EG. PREVALENCE OF EHRLICHIA AND ANAPLASMA SPP. IN TICKS COLLECTED FROM CATTLE AND DEER IN ARKANSAS, USA. J Parasitol 2023; 109:530-536. [PMID: 37903502 DOI: 10.1645/23-53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2023] Open
Abstract
Bovine anaplasmosis, caused by Anaplasma marginale, is widespread in cattle in the southeast United States. The pathogen is biologically transmitted by Dermacentor spp. ticks, and mechanically transmitted by biting flies and via fomites. Despite high reported regional seroprevalence, Dermacentor spp. are rare on cattle in the southeast. To identify other putative An. marginale vectors, and to characterize cattle exposure to other tick-borne pathogens, we collected ticks from Arkansas cattle herds in 2020-2022. Recognizing that deer are important hosts for some of the same tick species that parasitize cattle, we also collected ticks from hunter-killed deer in the fall and winter of 2021. Ticks were screened for bacteria in the family Anaplasmataceae using qPCR. Positive samples were further amplified using a PCR assay targeting the groEL gene, and the resulting amplicons were sequenced for identification. A total of 3,794 ticks were collected, the majority of which were Amblyomma americanum. Amblyomma americanum was the most common species on cattle, and Ixodes scapularis was most common on deer. No ticks were positive for An. marginale, though Anaplasma phagocytophilum was detected in deer-collected I. scapularis, as well as in a single engorged Am. americanum from cattle. Amblyomma americanum from cattle were infected with Ehrlichia ewingii, Ehrilichia chaffeensis, and Panola Mountain Ehrlichia. Cattle in Arkansas are exposed to several ehrlichial pathogens and may also be exposed to An. phagocytophilum. The importance of these pathogens, particularly Panola Mountain Ehrlichia, in causing cattle disease in Arkansas deserves further study, as does the importance of mechanical transmission of An. marginale in bovine anaplasmosis epidemiology.
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Affiliation(s)
- Cierra Briggs
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, Arkansas 72701
| | - Elizabeth Smith
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, Arkansas 72701
| | - Jordan Vansandt
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, Arkansas 72701
| | - Brandon Carr
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, Arkansas 72701
| | - Kelly Loftin
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, Arkansas 72701
| | - Emily G McDermott
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, Arkansas 72701
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Judy L, David K, Peter K, Dhaval S. Canine ehrlichiosis seropositivity and associated factors in Kenya and Tanzania: a retrospective study. BMC Vet Res 2023; 19:175. [PMID: 37770863 PMCID: PMC10537813 DOI: 10.1186/s12917-023-03746-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 09/21/2023] [Indexed: 09/30/2023] Open
Abstract
Canine ehrlichiosis is an important tick-borne disease caused by bacteria in the Ehrlichia genus with species such as E. canis, E. ewingii and E. chaffeensis resulting in a severe dog illness. This study determined the occurrence of canine ehrlichiosis antibodies and its associated factors in Kenya and Tanzania. This was a retrospective study that evaluated laboratory records of 400 samples from Kenya and Tanzania submitted to Pathologists Lancet Kenya for the IDEXX SNAP 4Dx™ Plus test between the years 2016 and 2021. Records of all samples submitted to the Pathologists Lancet Kenya veterinary laboratory for the diagnostic tests were retrieved, examined, and compiled. Descriptive statistics and univariable and multivariable logistic regression were considered during analysis. The overall proportion of samples that tested positive for canine ehrlichiosis was 23% (92/400). Samples from Kenya accounted for 61% (245/400) of samples, and the percent positive was 31% (29/245). The samples from Tanzania accounted for 39% (155/400), and the percent positive was 69% (63/155). In the final model, the odds of a sample testing positive was 1.7 times for those submitted from July to December compared with those submitted from January to June. Blood samples of dogs from Tanzania had 5.31 times the odds of testing positive on the SNAP test when compared with those from Kenya. This study reports high percent positive in samples originating from Tanzania and those received during the year's second half.
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Affiliation(s)
- Laboso Judy
- Department of Clinical Studies, Faculty of Veterinary Medicine, University of Nairobi, P.O. Box, Nairobi, 29053- 00625, Kenya
| | - Kihurani David
- Department of Clinical Studies, Faculty of Veterinary Medicine, University of Nairobi, P.O. Box, Nairobi, 29053- 00625, Kenya.
| | - Kimeli Peter
- Department of Clinical Studies, Faculty of Veterinary Medicine, University of Nairobi, P.O. Box, Nairobi, 29053- 00625, Kenya
| | - Shah Dhaval
- Pathologists Lancet Kenya, P. O. BOX, Nairobi, 117-00202, Kenya
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Bush V, Chaudhary J, Manu D, Hyman C. A rare occurrence of Anaplasma-associated peritonitis. Lab Med 2023; 54:e152-e156. [PMID: 36972513 DOI: 10.1093/labmed/lmad016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
Anaplasmosis or human granulocytic anaplasmosis is a tick-borne illness caused by the bacteria, Anaplasma phagocytophilum, resulting from an infected tick bite. Examination of a blood smear within the first week of exposure may show microcolonies of anaplasmae (morulae) in the cytoplasm of neutrophils that are highly suggestive of anaplasmosis but not definitive. We present the first case describing Anaplasma-related peritonitis and morulae in peritoneal fluid granulocytes in a peritoneal dialysis patient who developed anaplasmosis.
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Affiliation(s)
- Valerie Bush
- Departments of Pathology and Laboratory Medicine
| | | | | | - Charles Hyman
- and Infectious Disease, Bassett Medical Center, Cooperstown, NY US
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Paenkaew S, Jaito N, Pradit W, Chomdej S, Nganvongpanit K, Siengdee P, Buddhachat K. RPA/CRISPR-cas12a as a specific, sensitive and rapid method for diagnosing Ehrlichia canis and Anaplasma platys in dogs in Thailand. Vet Res Commun 2023; 47:1601-1613. [PMID: 36997812 PMCID: PMC10062689 DOI: 10.1007/s11259-023-10114-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 03/21/2023] [Indexed: 04/01/2023]
Abstract
Rickettsial pathogens including Ehrlichia canis and Anaplasma platys are bacteria that cause parasitic infections in dogs such as canine monocytic ehrlichiosis (CME) and canine cyclic thrombocytopenia (CCT), respectively affecting mortality and morbidity worldwide. An accurate, sensitive, and rapid method to diagnose these agents is essential for effective treatment. In this study, a recombinase polymerase amplification (RPA) coupled with CRISPR-Cas12a methods was established to detect E. canis and A. platys infection in dogs based on the 16S rRNA. The optimal condition for DNA amplification by RPA was 37 °C for 20 min, followed by CRISPR-Cas12a digestion at 37 °C for one hour. A combination of RPA and the cas12a detection method did not react with other pathogens and demonstrated strong sensitivity, detecting as low as 100 copies of both E. canis and A. platys. This simultaneous detection method was significantly more sensitive than conventional PCR. The RPA-assisted cas12a assay provides specific, sensitive, rapid, simple and appropriate detection of rickettsial agents in canine blood at the point-of-care for diagnostics, disease prevention and surveillance.
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Affiliation(s)
- Suphaporn Paenkaew
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Nongluck Jaito
- Enzyme Technology Research Team, Biorefinery and Bioproduct Technology Research Group, National Center for Genetic Engineering and Biotechnology, 113 Thailand Science Park, Paholyothin Rd., Klong Luang District, Pathum Thani, 12120, Thailand
| | - Waranee Pradit
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Siriwadee Chomdej
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Korakot Nganvongpanit
- Excellence Center in Veterinary Bioscience, Chiang Mai University, Chiang Mai, 50200, Thailand
- Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Puntita Siengdee
- Program in Applied Biological Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Kamphaeng Phet 6 Road, Laksi, 10210, Bangkok, Thailand
| | - Kittisak Buddhachat
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand.
- Excellence Center in Veterinary Bioscience, Chiang Mai University, Chiang Mai, 50200, Thailand.
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Karshima SN, Ahmed MI, Mohammed KM, Pam VA. Global status of Anaplasma phagocytophilum infections in human population: A 50-year (1970-2020) meta-analysis. J Vector Borne Dis 2023; 60:265-278. [PMID: 37843237 DOI: 10.4103/0972-9062.364756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND & OBJECTIVES Anaplasma phagocytophilum causes human granulocytic anaplasmosis; a febrile tick-borne bacterial zoonosis of increasing public health importance in many parts of the world which is life threatening in undiagnosed, misdiagnosed and untreated cases. In this study we determined and reported the global status of the pathogen in man. METHODS The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines was used to perform a systematic review and meta-analysis of data published in six electronic databases between 1970 and 2020. We pooled data using the random-effects model, performed sensitivity analysis by the single study deletion method and assess across study bias by the funnel plot and its statistical significance by the Egger's regression test. RESULTS A total of 7018 cases of A. phagocytophilum were reported from 48,619 individuals examined across 22 countries in three continents. Overall pooled estimate was 8.13% (95% CI: 5.70 - 11.47) with a range of 4.64 (95% CI: 1.78 - 11.54) to 12.18% (95% CI: 7.66 - 18.83) across sub-groups. Regional prevalence was highest in North America 11.07% (95% CI: 3.13 - 32.38), while that in relation to study population was highest among occupationally exposed population 11.41% (95% CI: 5.69 - 21.56). INTERPRETATION & CONCLUSION The study revealed a significant variation in the prevalence of A. phagocytophilum across Asia, Europe and North America, with the highest prevalence in North America and among occupationally exposed population. To curtail the menace of this growing public health crisis, we recommend integrated control programmes involving tick control, the use of appropriate clothing by occupationally exposed population and health education.
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Affiliation(s)
- Solomon Ngutor Karshima
- Department of Veterinary Public Health and Preventive Medicine, Federal University of Agriculture Zuru, Nigeria
| | - Musa Isiyaku Ahmed
- Department of Veterinary Parasitology and Entomology, Federal University of Agriculture Zuru, Nigeria
| | - Kaltume Mamman Mohammed
- Department of Veterinary Public Health and Preventive Medicine, Federal University of Agriculture Zuru, Nigeria
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Silvestrini P, Lloyd-Bradley B, Glanemann B, Barker EN, Badham H, Tappin S, Pascual M, Haines A, Mas A, Roura X, Piviani M. Clinical presentation, diagnostic investigations, treatment protocols and outcomes of dogs diagnosed with tick-borne diseases living in the United Kingdom: 76 cases (2005-2019). J Small Anim Pract 2023; 64:392-400. [PMID: 36727469 DOI: 10.1111/jsap.13592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 10/24/2022] [Accepted: 12/15/2022] [Indexed: 02/03/2023]
Abstract
OBJECTIVES To report the presence of tick-borne diseases in dogs living in the United Kingdom. MATERIALS AND METHODS Dogs with a final diagnosis of tick-borne diseases made between January 2005 and August 2019 at seven referral institutions in the United Kingdom were included in the study. RESULTS Seventy-six dogs were included: 25 were diagnosed with ehrlichiosis, 23 with babesiosis, eight with Lyme borreliosis and six with anaplasmosis. Fourteen dogs had co-infections with two or three pathogens. Except for those dogs with anaplasmosis and Lyme borreliosis, most dogs with tick-borne diseases had a history of travel to or from endemic countries. However, three dogs with ehrlichiosis, and one dog each infected with Babesia canis and Babesia vulpes did not have any history of travel. A variety of non-specific clinical signs and laboratory abnormalities were reported. Targeted treatment was successful at achieving clinical remission in 64 (84%) dogs. CLINICAL SIGNIFICANCE Even in non-endemic areas, veterinary surgeons should consider tick-borne diseases in dogs with compatible clinical presentation and laboratory findings and especially where there is a history of travel. As autochthonous transmission of tick-borne-pathogens does occur, an absence of travel should not rule out tick-borne diseases. Specific diagnostic testing is required to confirm infection, and this enables prompt targeted treatment and often a positive outcome.
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Affiliation(s)
- P Silvestrini
- Ryan Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - B Lloyd-Bradley
- Small Animal Teaching Hospital, University of Liverpool, Neston, UK
- Dick White Referrals, Six Mile Bottom, UK
| | - B Glanemann
- Queen Mother Hospital for Animals, Royal Veterinary College - University of London, Hatfield, UK
| | - E N Barker
- Small Animal Hospital, Langford Vets, University of Bristol, Langford, UK
| | - H Badham
- Davies Veterinary Specialists, Hitchin, UK
| | - S Tappin
- Dick White Referrals, Six Mile Bottom, UK
| | - M Pascual
- Dick White Referrals, Six Mile Bottom, UK
| | - A Haines
- Animal Health Trust, Newmarket, UK
| | - A Mas
- Anderson Moores Veterinary Specialists, Winchester, UK
| | - X Roura
- Hospital Clinic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - M Piviani
- Ryan Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Oliver A, Conrado FO, Nolen-Walston R. Equine Granulocytic Anaplasmosis. Vet Clin North Am Equine Pract 2023; 39:133-145. [PMID: 36737288 DOI: 10.1016/j.cveq.2022.11.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Equine granulocytic anaplasmosis is a clinically significant and common disease of equids that has a broader prevalence than was once thought. The most common clinical signs include high fever and edema, with mild to mderate thrombocytopenia and lymphopenia typically noted on complete blood count. Subclinical cases are reported and many are self-limiting. Rare clinical presentations include neurologic disease, vasculitis, dysphagia, rhabdomyolysis, or bicavitary effusion. Most cases resolve rapidly with appropriate antimicrobial intervention.
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Affiliation(s)
- Andrea Oliver
- Department of Clinical Studies, University of Pennsylvania, New Bolton Center, 382 West Street Road, Kennett Square, PA 19348, USA
| | - Francisco O Conrado
- Department of Comparative Pathobiology, Tufts University, Cummings School of Veterinary Medicine, 200 Westboro Road, North Grafton, MA 01536, USA
| | - Rose Nolen-Walston
- Department of Clinical Studies, University of Pennsylvania, New Bolton Center, 382 West Street Road, Kennett Square, PA 19348, USA.
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Seo MG, Ouh IO, Kwak D. Detection and Genotypic Analysis of Anaplasma bovis and A. phagocytophilum in Horse Blood and Lung Tissue. Int J Mol Sci 2023; 24:ijms24043239. [PMID: 36834651 PMCID: PMC9966372 DOI: 10.3390/ijms24043239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/21/2023] [Accepted: 01/27/2023] [Indexed: 02/10/2023] Open
Abstract
A clinical case of Anaplasma bovis was reported for the first time in our previous study (2019) in a horse, a nondefinitive host. Although A. bovis is a ruminant and not a zoonotic pathogen, it is responsible for persistent infections in horses. In this follow-up study, the prevalence of Anaplasma spp., including A. bovis, was assessed in horse blood and lung tissue samples to fully understand Anaplasma spp. pathogen distribution and the potential risk factors of infection. Among 1696 samples, including 1433 blood samples from farms nationwide and 263 lung tissue samples from horse abattoirs on Jeju Island, a total of 29 samples (1.7%) tested positive for A. bovis and 31 (1.8%) samples tested positive for A. phagocytophilum, as determined by 16S rRNA nucleotide sequencing and restriction fragment length polymorphism. This study is the first to detect A. bovis infection in horse lung tissue samples. Further studies are needed to clarify the comparison of sample types within cohorts. Although the clinical significance of Anaplasma infection was not evaluated in this study, our results emphasize the need to clarify the host tropism and genetic divergence of Anaplasma to enable the development of effective prevention and control measures through broad epidemiological studies.
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Affiliation(s)
- Min-Goo Seo
- College of Veterinary Medicine, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
| | - In-Ohk Ouh
- National Institute of Health, Korea Disease Control and Prevention Agency, 212 Osongsaengmyeong 2-ro, Cheongju, Chungbuk 28160, Republic of Korea
| | - Dongmi Kwak
- College of Veterinary Medicine, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
- Correspondence: ; Tel.: +82-53-950-7794
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Li S, Zhang L, Li Z, Song H, Que Z, Zhao S, Li Y, Guo Y, Wu J. Distribution and Molecular Epidemiology of Anaplasma ovis in Melophagus ovinus and Small Ruminants in Border Regions of South Xinjiang, China. Vector Borne Zoonotic Dis 2023; 23:1-8. [PMID: 36576898 DOI: 10.1089/vbz.2022.0059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background: Anaplasma ovis are obligate intracellular bacteria that can endanger human and animal health, and they can be transmitted by arthropod vectors, such as Melophagus ovinus and ticks. Materials and Methods: In this study, 433 specimens, including 370 M. ovinus and 63 sheep blood samples, were collected from nine districts of South Xinjiang to investigate the distribution and molecular epidemiology of A. ovis in M. ovinus and small ruminant. Results: DNA of A. ovis was detected in 109 (25.2%, 109/433) of the 433 samples using PCR and sequencing. The analysis of A. ovis msp4 sequences revealed four different genotypes, including genotype III (47.7%; 52/109), GB3 (34.0%; 37/109), AoGOv3 (15.6%; 17/109), and XJ9 (2.8%; 3/109). Conclusions: To the best of our knowledge, A. ovis genotypes GB3, AoGOv3, and XJ9 detected in this study are the first to be reported in M. ovinus, and our data indicate that XJ9 is a novel A. ovis genotype presented herein for the first time. These findings provide important references for the new understanding and prevention of A. ovis in border counties in China.
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Affiliation(s)
- Siang Li
- College of Animal Science and Technology, Tarim University, Alar, People's Republic of China
- Engineering Laboratory of Tarim Animal Diseases Diagnosis and Control, Xinjiang Production & Construction Corps, Alar, People's Republic of China
| | - Liu Zhang
- College of Animal Science and Technology, Tarim University, Alar, People's Republic of China
- Engineering Laboratory of Tarim Animal Diseases Diagnosis and Control, Xinjiang Production & Construction Corps, Alar, People's Republic of China
| | - Zheng Li
- College of Animal Science and Technology, Tarim University, Alar, People's Republic of China
- Engineering Laboratory of Tarim Animal Diseases Diagnosis and Control, Xinjiang Production & Construction Corps, Alar, People's Republic of China
| | - Haonan Song
- College of Animal Science and Technology, Tarim University, Alar, People's Republic of China
- Engineering Laboratory of Tarim Animal Diseases Diagnosis and Control, Xinjiang Production & Construction Corps, Alar, People's Republic of China
| | - Zewei Que
- Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production & Construction Corps, Alar, People's Republic of China
| | - Siyu Zhao
- Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production & Construction Corps, Alar, People's Republic of China
| | - Yingying Li
- Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production & Construction Corps, Alar, People's Republic of China
| | - Yuling Guo
- Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production & Construction Corps, Alar, People's Republic of China
| | - Junyuan Wu
- College of Animal Science and Technology, Tarim University, Alar, People's Republic of China
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Backus L, Foley J, Chung C, Virata S, Zazueta OE, López-Pérez A. Tick-borne pathogens detected in sheltered dogs during an epidemic of Rocky Mountain spotted fever, a One Health challenge. J Am Vet Med Assoc 2022; 261:375-383. [PMID: 36563069 DOI: 10.2460/javma.22.08.0388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To assess exposure to and infection with 3 pathogens (Rickettsia rickettsii, Anaplasma platys, and Ehrlichia canis) vectored by brown dog ticks (Rhipicephalus sanguineus) in sheltered dogs at the western US-Mexico border. ANIMALS 239 dogs in shelters in San Diego and Imperial counties, US, and Mexicali and Tijuana, Mexico. PROCEDURES Each dog had blood drawn and basic demographic data collected. PCR was performed to determine active infection with Rickettsia spp, E canis, and A platys. Serology was performed to determine exposure to Rickettsia, Anaplasma, and Ehrlichia species. RESULTS 2 of 78 (2.6%) dogs sampled in Tijuana were actively infected with R rickettsii. A single brown dog tick collected from a dog in Tijuana was PCR-positive for R rickettsii. Infection with E canis and A platys ranged across shelters from 0% to 27% and 0% to 33%, respectively. Dogs in all 4 locations demonstrated exposure to all 3 pathogens, though Rickettsia and Ehrlichia seropositivity was highest in Mexicali (81% and 49%, respectively) and Anaplasma seropositivity was highest in Tijuana (45%). CLINICAL RELEVANCE While infection and exposure were highest in sheltered dogs in the southern locations, dogs in all locations demonstrated exposure to all pathogens, demonstrating the potential for emergence and spread of zoonotic pathogens with significant public health consequences in southern California and northern Baja California. In addition, veterinarians and shelter staff should be aware that Ehrlichia or Anaplasma infection may co-occur with Rocky Mountain spotted fever, which is a human health risk.
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Affiliation(s)
- Laura Backus
- 1Department of Veterinary Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Janet Foley
- 1Department of Veterinary Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Claire Chung
- 1Department of Veterinary Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Sophia Virata
- 1Department of Veterinary Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Oscar E Zazueta
- 2Departamento Estatal de Epidemiología, Instituto de Servicios de Salud Pública del Estado de Baja California, Mexicali, México
| | - Andrés López-Pérez
- 1Department of Veterinary Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, CA
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Izenour K, Zohdy S, Kalalah A, Starkey L, Blagburn B, Sundermann C, Salib F. Detection of zoonotic vector-borne pathogens in domestic dogs in Giza, Egypt. Vet Parasitol Reg Stud Reports 2022; 32:100744. [PMID: 35725107 DOI: 10.1016/j.vprsr.2022.100744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 04/15/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
The public health implications of zoonotic vector-borne pathogens are numerous because domestic animals, such as dogs, live in close proximity to humans. Blood was collected from 116 domestic dogs in Cairo, Egypt from three different settings at the human-animal interface. The three settings the dogs came from were: privately owned animals seeking care at the Cairo University Faculty of Veterinary Medicine Clinic, non-laboratory reared research dogs maintained at the Cairo University Faculty of Veterinary Medicine, and an urban private animal rescue in Shabramont, Giza, Egypt. Enrolled animals were visually inspected for presence of flea or tick ectoparasites, Rhipicephalus sanguineus sensu lato ticks were recovered from 56 enrolled animals and a flea identified as Ctenocephalides felis was recovered from one animal. To test for past and/or current infection with vector-borne pathogens, conventional PCR and IDEXX SNAP® 4Dx® Plus were performed on whole blood. Pathogen targets included: Anaplasma spp., Ehrlichia spp., Babesia spp., Borrelia spp., Bartonella spp., Dirofilaria spp., and Rickettsia spp. Among dogs sampled across all locations, one dog was positive for Babesia sp. infection and one dog was positive for Anaplasma sp. infection as detected by PCR and confirmed by Sanger sequencing. Three additional dogs were positive for infection but had incomplete sequences obtained: two for Ehrlichia sp. and one for Borrelia sp. The SNAP® test results for all sampled dogs included: eight dogs positive for Anaplasma spp., 14 dogs positive for Ehrlichia spp., and five additional dogs positive for both Anaplasma spp. and Ehrlichia spp. SNAP® test results by sampling location showed that 66% of the dogs at the animal rescue were positive for Anaplasma spp. and/or Ehrlichia spp., 17% of the privately owned dogs at the Faculty of Veterinary medicine were positive for Anaplasma spp. and/or Ehrlichia spp., and none of the research dogs were positive for any of the targets on the SNAP® test. This high proportion of seropositivity in the animals sampled indicates a vector population which is not well controlled and a need for continued owner education and promotion of consistent use of preventive medications and the risk for zoonotic transmission.
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Affiliation(s)
- Katie Izenour
- Department of Pathobiology, Auburn University College of Veterinary Medicine, 166 Greene Hall Auburn, AL 36849, United States of America.
| | - Sarah Zohdy
- Department of Pathobiology, Auburn University College of Veterinary Medicine, 166 Greene Hall Auburn, AL 36849, United States of America; College of Forestry, Wildlife and Evironment, Auburn University, 600 Duncan Drive, AL 36849, United States of America
| | - Anwar Kalalah
- Department of Pathobiology, Auburn University College of Veterinary Medicine, 166 Greene Hall Auburn, AL 36849, United States of America
| | - Lindsay Starkey
- Department of Pathobiology, Auburn University College of Veterinary Medicine, 166 Greene Hall Auburn, AL 36849, United States of America
| | - Byron Blagburn
- Department of Pathobiology, Auburn University College of Veterinary Medicine, 166 Greene Hall Auburn, AL 36849, United States of America
| | - Christine Sundermann
- Department of Biological Sciences, Auburn University College of Science and Mathematics, 101 Rouse Life Sciences Building Auburn, AL 36849, United States of America
| | - Fayez Salib
- Cairo University, Faculty of Veterinary Medicine, Giza Governorate, Cairo, Egypt
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Allehebi ZO, Khan FM, Robbins M, Simms E, Xiang R, Shawwa A, Lindsay LR, Dibernardo A, d'Entremont C, Crowell A, LeBlanc JJ, Haldane DJ. Lyme Disease, Anaplasmosis, and Babesiosis, Atlantic Canada. Emerg Infect Dis 2022; 28:1292-1294. [PMID: 35608954 PMCID: PMC9155882 DOI: 10.3201/eid2806.220443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
In July 2021, a PCR-confirmed case of locally acquired Babesia microti infection was reported in Atlantic Canada. Clinical features were consistent with babesiosis and resolved after treatment. In a region where Lyme disease and anaplasmosis are endemic, the occurrence of babesiosis emphasizes the need to enhance surveillance of tickborne infections.
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Said MB, Attia KA, Alsubki RA, Mohamed AA, Kimiko I, Selim A. Molecular epidemiological survey, genetic characterization and phylogenetic analysis of Anaplasma ovis infecting sheep in Northern Egypt. Acta Trop 2022; 229:106370. [PMID: 35157843 DOI: 10.1016/j.actatropica.2022.106370] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 02/07/2023]
Abstract
Anaplasma ovis is the most common etiologic agent of ovine anaplasmosis, mainly transmitted by ticks. The present study aimed to determine the molecular prevalence of A. ovis in sheep from Egypt and assessed the associated risk factors. The study was conducted, between January and December 2020, in four governorates situated in Northern Egypt. Blood samples from 355 asymptomatic sheep were collected and examined by the use of PCR specific to A. ovis. Diversity analysis and phylogenetic study based on partial msp4 gene sequence were performed on revealed A. ovis DNA. Overall, the molecular prevalence rate of A. ovis was 15.5% and the highest rate was observed in Kafr ElSheikh governorate (16.8%). Statistical analysis revealed that A. ovis infection was significantly related to sheep gender and to tick infestation. The risk factors that were found to be associated with A. ovis infection in exposed sheep were: female sex (OR=2.6, 95%CI: 1.13-6.12), and infestation with ticks (OR=2.1, 95%CI: 1.11-3.79). The analysis of A. ovis msp4 sequences revealed two different genotypes classified in the Old World sub-cluster with other Egyptian isolates. Investigation on prevalence, risk factors and genetic variability of A. ovis in sheep reported in this study is important for the implementation of control programs. Further studies are needed to determine the vectors and reservoirs of A. ovis in Egyptian small ruminants and to identify the real economic impact of A. ovis infection on the country.
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Affiliation(s)
- Mourad Ben Said
- Higher Institute of Biotechnology, BiotechPôlet, BP-66, 2020, Sidi Thabet, Ariana Tunis, University of Manouba, Tunisia; Laboratory of Microbiology, National School of Veterinary Medicine of Sidi Thabet, Ariana Tunis, University of Manouba, Tunisia.
| | - Kotb A Attia
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Roua A Alsubki
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Arif A Mohamed
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Itoh Kimiko
- Institute of Science and Technology, Niigata University, Ikarashi-2, Nishi-ku, Niigata 950-2181, Japan
| | - Abdelfattah Selim
- Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt.
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Altay K, Erol U, Sahin OF. The first molecular detection of Anaplasma capra in domestic ruminants in the central part of Turkey, with genetic diversity and genotyping of Anaplasma capra. Trop Anim Health Prod 2022; 54:129. [PMID: 35257219 DOI: 10.1007/s11250-022-03125-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 02/18/2022] [Indexed: 11/25/2022]
Abstract
Tick-borne diseases have been an increasing threat to human and animal health all over the world. Anaplasmosis is one of the emerging tick-borne diseases and has zoonotic potential. A new novel species, which was detected in China in 2010-2012 and provisionally named Anaplasma capra in 2015, causes zoonotic infections and infects many different animal species. In this study, we investigated the presence of A. capra in domestic ruminants from Turkey. A total of 468 blood samples (cattle, sheep, and goat) were examined by the gltA gene-specific nested polymerase chain reaction, revealing the presence of A. capra in six samples (1.28%): one of them from cattle (0.41%) and the other five from sheep (3.22%). According to DNA sequences results of the gltA gene, A. capra isolates identified in the present study were shown high nucleotide similarity with A. capra isolates detected from different hosts. However, the nucleotide differences were detected in the same nucleotide positions between A. capra isolates. For this reason, we thought that at least two different A. capra genotypes could be circulating in the world. As a result, it is seen that A. capra, which was determined to be a new species with zoonotic potential, was revealed in European and Asian countries and in different hosts. In order to raise awareness about human anaplasmosis infections, it is important to reveal the prevalence of the species in the world. The emergence of A. capra in Turkey reveals the need for a re-evaluation of the human and animal health risk analysis in terms of anaplasmosis.
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Affiliation(s)
- Kursat Altay
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140, Sivas, Turkey.
| | - Ufuk Erol
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140, Sivas, Turkey
| | - Omer Faruk Sahin
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140, Sivas, Turkey
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Perregrino AN, Zohdy S, Starkey LA. Serologic evidence of selected vector-borne pathogens in non-owned dogs in the southeast US. Vet Parasitol Reg Stud Reports 2022; 28:100685. [PMID: 35115124 DOI: 10.1016/j.vprsr.2022.100685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 12/02/2021] [Accepted: 01/04/2022] [Indexed: 06/14/2023]
Abstract
Vector-borne pathogens (VBP) associated with ectoparasitism are of concern for animal health, and there are many gaps in surveillance and reporting data. The purpose of this study was to test for four VBPs in a subset of non-owned dogs from county humane societies in Alabama and Georgia that were admitted to the Auburn University College of Veterinary Medicine Hoerlein Spay/Neuter Program for health exams and routine procedures, including bloodwork and testing with the 4Dx® SNAP® Plus (IDEXX Laboratories, Inc., Westbrook, Maine). Visualized ectoparasites were noted and preserved for identification and analysis. From May-October 2019, residual blood (n = 114) was used for preparing blood smears and DNA extraction and PCR. Out of 114 samples, 35.1% (40/114) were seropositive for one or more VBP: Dirofilaria immitis antigen (20.2%; 23/114) and Ehrlichia spp. antibodies (20.2%; 23/114); six VBD-positive dogs (15%) tested positive for both. No dogs had detectable antibodies to Borrelia burgdorferi or Anaplasma spp. (0%; 0/114). Microfilariae of D. immitis were present in 7 blood smears, all from dogs that were D. immitis antigen positive. Morulae or DNA of Ehrlichia or Anaplasma spp. were not identified in any sample. Fleas were documented in 20.4% (23/113) of dogs, 9.7% (11/113) were infested with ticks, predominantly Amblyomma americanum, and co-infestations were noted in 2.7% (3/113). Our data indicate that there is substantial VBP risk in Alabama and Georgia, and that the reservoir potential of domestic animals, especially non-owned animals, along with potential wildlife reservoirs warrants further investigation.
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Affiliation(s)
- Ali N Perregrino
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, AL 36849, USA.
| | - Sarah Zohdy
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, AL 36849, USA; School of Forestry and Wildlife Sciences, Auburn University, AL 36849, USA.
| | - Lindsay A Starkey
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, AL 36849, USA.
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Poolsawat N, Tazawa K, Junsiri W, Watthanadirek A, Srionrod N, Chawengkirttikul R, Anuracpreeda P. Molecular discrimination and genetic diversity of three common tick-borne pathogens in dogs in Thailand. Parasitology 2022; 149:65-75. [PMID: 35184783 PMCID: PMC11010516 DOI: 10.1017/s0031182021001566] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 08/24/2021] [Accepted: 09/01/2021] [Indexed: 11/07/2022]
Abstract
There was little information regarding the occurrence of canine vector-borne disease (CVBDs) in shelter dogs in Thailand. This work is the first report regarding a molecular method used to determine the occurrence and genetic diversity of three canine tick-borne pathogens (TBPs) (Hepatozoon canis, Anaplasma platys and Ehrlichia canis) in blood samples from 275 shelter dogs in the north and central areas of Thailand. The PCR results based on the 18S rRNA and 16S rRNA genes showed that 71 (25.82%) dogs were positive for at least a TBP. The overall occurrence rates of H. canis, A. platys and E. canis infections were 1.81, 16.36 and 7.64%, respectively. For the phylogenetic analysis, A. platys 16S rRNA gene was genetically diverse, while H. canis 18S rRNA and E. canis 16S rRNA genes were conserved. The haplotype diversity exhibited 12 and 2 haplotypes as well as 78 and 178 polymorphic sites of A. platys and E. canis 16S rRNA genes, respectively. Our findings could be used to improve the understanding of phylogeny and genetic diversity of TBP rRNA genes and used to ameliorate the diagnosis and control programmes for the diseases in Thailand.
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Affiliation(s)
- Napassorn Poolsawat
- Parasitology Research Laboratory (PRL), Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom73170, Thailand
| | - Keiichiro Tazawa
- Worldwide Veterinary Service Thailand, Hang Dong, Chiang Mai50230, Thailand
| | - Witchuta Junsiri
- Parasitology Research Laboratory (PRL), Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom73170, Thailand
| | - Amaya Watthanadirek
- Parasitology Research Laboratory (PRL), Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom73170, Thailand
| | - Nitipon Srionrod
- Parasitology Research Laboratory (PRL), Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom73170, Thailand
| | | | - Panat Anuracpreeda
- Parasitology Research Laboratory (PRL), Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom73170, Thailand
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He Y, Chen W, Ma P, Wei Y, Li R, Chen Z, Tian S, Qi T, Yang J, Sun Y, Li J, Kang M, Li Y. Molecular detection of Anaplasma spp., Babesia spp. and Theileria spp. in yaks (Bos grunniens) and Tibetan sheep (Ovis aries) on the Qinghai-Tibetan Plateau, China. Parasit Vectors 2021; 14:613. [PMID: 34949216 PMCID: PMC8697493 DOI: 10.1186/s13071-021-05109-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 11/25/2021] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Anaplasma, Babesia and Theileria are tick-borne pathogens (TBPs) that affect livestock worldwide. However, information on these pathogens in yaks (Bos grunniens) and Tibetan sheep (Ovis aries) on the Qinghai-Tibet Plateau (QTP), China, is limited. In this study, Anaplasma spp., Babesia spp. and Theileria spp. infections were assessed in yaks and Tibetan sheep from Qinghai Province. METHODS A total of 734 blood samples were collected from 425 yaks and 309 Tibetan sheep at nine sampling sites. Standard or nested polymerase chain reaction was employed to screen all the blood samples using species- or genus-specific primers. RESULTS The results showed that 14.1% (60/425) of yaks and 79.9% (247/309) of Tibetan sheep were infected with at least one pathogen. Anaplasma ovis, Anaplasma bovis, Anaplasma capra, Anaplasma phagocytophilum, Babesia bovis and Theileria spp. were detected in this study, with total infection rates for all the assessed animals of 22.1% (162/734), 16.3% (120/734), 23.6% (173/734), 8.2% (60/734), 2.7% (20/734) and 19.3% (142/734), respectively. For yaks, the infection rate of A. bovis was 6.4% (27/425), that of B. bovis was 4.7% (20/425) and that of Theileria spp. was 3.3% (14/425). Moreover, 52.4% (162/309) of the Tibetan sheep samples were infected with A. ovis, 30.1% (93/309) with A. bovis, 56.0% (173/309) with A. capra, 19.4% (60/309) with A. phagocytophilum and 41.4% (128/309) with Theileria spp. CONCLUSIONS This study revealed the prevalence of Anaplasma spp., Babesia spp. and Theileria spp. in yaks and Tibetan sheep in Qinghai Province, China, and provides new data for a better understanding of the epidemiology of TBPs in these animals in this area of the QTP, China.
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Affiliation(s)
- Yongcai He
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Wangkai Chen
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Ping Ma
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Yaoping Wei
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Ruishan Li
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Zhihong Chen
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Shuyu Tian
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Tongsheng Qi
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Jinfang Yang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Yali Sun
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Jixu Li
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Ming Kang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
| | - Ying Li
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016 China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016 China
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O’Connor C, Prusinski MA, Jiang S, Russell A, White J, Falco R, Kokas J, Vinci V, Gall W, Tober K, Haight J, Oliver J, Meehan L, Sporn LA, Brisson D, Backenson PB. A Comparative Spatial and Climate Analysis of Human Granulocytic Anaplasmosis and Human Babesiosis in New York State (2013-2018). J Med Entomol 2021; 58:2453-2466. [PMID: 34289040 PMCID: PMC8824452 DOI: 10.1093/jme/tjab107] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Indexed: 05/25/2023]
Abstract
Human granulocytic anaplasmosis (HGA) and human babesiosis are tick-borne diseases spread by the blacklegged tick (Ixodes scapularis Say, Acari: Ixodidae) and are the result of infection with Anaplasma phagocytophilum and Babesia microti, respectively. In New York State (NYS), incidence rates of these diseases increased concordantly until around 2013, when rates of HGA began to increase more rapidly than human babesiosis, and the spatial extent of the diseases diverged. Surveillance data of tick-borne pathogens (2007 to 2018) and reported human cases of HGA (n = 4,297) and human babesiosis (n = 2,986) (2013-2018) from the New York State Department of Health (NYSDOH) showed a positive association between the presence/temporal emergence of each pathogen and rates of disease in surrounding areas. Incidence rates of HGA were higher than human babesiosis among White and non-Hispanic/non-Latino individuals, as well as all age and sex groups. Human babesiosis exhibited higher rates among non-White individuals. Climate, weather, and landscape data were used to build a spatially weighted zero-inflated negative binomial (ZINB) model to examine and compare associations between the environment and rates of HGA and human babesiosis. HGA and human babesiosis ZINB models indicated similar associations with forest cover, forest land cover change, and winter minimum temperature; and differing associations with elevation, urban land cover change, and winter precipitation. These results indicate that tick-borne disease ecology varies between pathogens spread by I. scapularis.
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Affiliation(s)
- Collin O’Connor
- New York State Department of Health, Bureau of Communicable Disease Control, Albany, NY, USA
| | - Melissa A Prusinski
- New York State Department of Health, Bureau of Communicable Disease Control, Albany, NY, USA
| | - Shiguo Jiang
- State University of New York, University at Albany, Department of Geography and Planning, Albany, NY, USA
| | - Alexis Russell
- New York State Department of Health, Bureau of Communicable Disease Control, Albany, NY, USA
- Wadsworth Center, Division of Infectious Disease, Albany, NY, USA
| | - Jennifer White
- New York State Department of Health, Bureau of Communicable Disease Control, Albany, NY, USA
| | - Richard Falco
- New York State Department of Health, Bureau of Communicable Disease Control, Armonk, NY, USA
| | - John Kokas
- New York State Department of Health, Bureau of Communicable Disease Control, Armonk, NY, USA
- Retired
| | - Vanessa Vinci
- New York State Department of Health, Bureau of Communicable Disease Control, Armonk, NY, USA
| | - Wayne Gall
- New York State Deparment of Health, Bureau of Communicable Disease Control, Buffalo, NY, USA
- United States Department of Agriculture, Animal and Plant Health Inspection Service, Buffalo, NY, USA
| | - Keith Tober
- New York State Deparment of Health, Bureau of Communicable Disease Control, Buffalo, NY, USA
- Retired
| | - Jamie Haight
- New York State Department of Health, Bureau of Communicable Disease Control, Falconer, NY, USA
| | - JoAnne Oliver
- New York State Department of Health, Bureau of Communicable Disease Control, Syracuse, NY, USA
| | - Lisa Meehan
- New York State Department of Health, Bureau of Communicable Disease Control, Albany, NY, USA
- Wadsworth Center, Division of Environmental Health Sciences, Albany, NY, USA
| | - Lee Ann Sporn
- Paul Smith’s College, Department of Natural Science, Paul Smiths, NY, USA
| | - Dustin Brisson
- University of Pennsylvania, Department of Biology, Philadelphia, PA, USA
| | - P Bryon Backenson
- New York State Department of Health, Bureau of Communicable Disease Control, Albany, NY, USA
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Ginsberg HS, Couret J, Garrett J, Mather TN, LeBrun RA. Potential Effects of Climate Change on Tick-borne Diseases in Rhode Island. R I Med J (2013) 2021; 104:29-33. [PMID: 34705904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Human cases of tick-borne diseases have been increasing in the United States. In particular, the incidence of Lyme disease, the major vector-borne disease in Rhode Island, has risen, along with cases of babesiosis and anaplasmosis, all vectored by the blacklegged tick. These increases might relate, in part, to climate change, although other environmental changes in the northeastern U.S. (land use as it relates to habitat; vertebrate host populations for tick reproduction and enzootic cycling) also contribute. Lone star ticks, formerly southern in distribution, have been spreading northward, including expanded distributions in Rhode Island. Illnesses associated with this species include ehrlichiosis and alpha-gal syndrome, which are expected to increase. Ranges of other tick species have also been expanding in southern New England, including the Gulf Coast tick and the introduced Asian longhorned tick. These ticks can carry human pathogens, but the implications for human disease in Rhode Island are unclear.
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Affiliation(s)
- Howard S Ginsberg
- Research Ecologist with the U.S. Geological Survey, Eastern Ecological Science Center. He serves as Unit Leader of the USGS Rhode Island Field Station, and Professor in Residence at the University of Rhode Island
| | - Jannelle Couret
- Assistant Professor in the Department of Biological Sciences, University of Rhode Island
| | - Jason Garrett
- Public Health Epidemiologist with the Rhode Island Department of Health
| | - Thomas N Mather
- Professor in the Department of Plant Sciences & Entomology, University of Rhode Island
| | - Roger A LeBrun
- Carnegie Professor of Life Sciences Emeritus, Department of Plant Sciences & Entomology, University of Rhode Island
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Selmi R, Belkahia H, Dhibi M, Abdelaali H, Lahmar S, Ben Said M, Messadi L. Zoonotic vector-borne bacteria in wild rodents and associated ectoparasites from Tunisia. Infect Genet Evol 2021; 95:105039. [PMID: 34438095 DOI: 10.1016/j.meegid.2021.105039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 07/23/2021] [Accepted: 08/12/2021] [Indexed: 11/16/2022]
Abstract
Wild rodents are considered as potential carriers of several zoonotic vector-borne bacteria but their epidemiology is poorly understood in Tunisia. A total of 305 biological samples (100 spleens, 100 livers, 100 kidneys, and 5 pooled ectoparasites (Xenopsylla cheopis, Laelaps echidninus, Ornithonyssus sp., Hoplopleura sp. and eggs of the rat fleas)) were collected from 100 wild rodents from three Tunisian governorates. Molecular screening was performed to reveal infections with main vector-borne bacteria. Captured rodents belonged to three rodent genera and species including Rattus rattus (n = 51, 51%), Meriones shawi (n = 24, 24%) and Mus musculus (n = 25, 25%). Examined rodents were found to be heavily infested by the rat flea X. cheopis (n = 32, 47%) and the rat mite L. echidninus (n = 22, 32.3%). However, the rat mite Ornithonyssus sp. (n = 13, 19.1%) and the rat lice Hoplopleura sp. (n = 1, 1.5%) were rarely identified. Based on 16S rRNA and msp4 genes, infection with Anaplasmataceae bacteria was detected in six specimens of R. rattus and one M. shawi. Pathogenic A. phagocytophilum (n = 1), A. phagocytophilum-like 1 (Anaplasma sp. Japan) (n = 1), and A. ovis (n = 5) were identified. On the basis of ompB, ompA and gltA genes, infection with Rickettsia spp. was identified in three specimens of R. rattus and one of M. shawi. Five Rickettsia species of the spotted fever group, corresponding to R. monacensis, R. helvetica, R. massiliae, R. africae, and R. aeschlimannii, were detected in mixed infections. Bartonella henselae DNA was also found in two R. rattus, based on rpoB partial sequences. All revealed Anaplasma, Rickettsia and Bartonella bacteria were detected in spleen samples. Ehrlichia, Coxiella and Borrelia spp. were not identified in any of the tested samples. In Tunisia, this is the first report indicating infections with Anaplasma, Rickettsia and Bartonella spp. in wild rodents, particularly present alongside domestic livestock and human. This represents a serious risk of potential bacterial transmission. Thus, controlling rodent population in animal herds, residential areas and sensitizing local people to this risk seem absolutely necessary.
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Affiliation(s)
- Rachid Selmi
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie; Ministère de la Défense Nationale, Direction Générale de la Santé Militaire, Service Vétérinaire, Tunis, Tunisie
| | - Hanène Belkahia
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie
| | - Mokhtar Dhibi
- Service de Parasitologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie
| | - Hedi Abdelaali
- Ministère de la Défense Nationale, Direction Générale de la Santé Militaire, Service Vétérinaire, Tunis, Tunisie
| | - Samia Lahmar
- Service de Parasitologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie
| | - Mourad Ben Said
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie; Institut Supérieur de Biotechnologie de Sidi Thabet, Département des Sciences Fondamentales, Univ. Manouba, Sidi Thabet, Tunisie.
| | - Lilia Messadi
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie.
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Mowla SJ, Drexler NA, Cherry CC, Annambholta PD, Kracalik IT, Basavaraju SV. Ehrlichiosis and Anaplasmosis among Transfusion and Transplant Recipients in the United States. Emerg Infect Dis 2021; 27:2768-2775. [PMID: 34670661 PMCID: PMC8544963 DOI: 10.3201/eid2711.211127] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Physicians should be aware that these infections are rare but can have severe outcomes. Ehrlichiosis and anaplasmosis are emerging tickborne diseases that can also be transmitted through blood transfusions or organ transplants. Since 2000, ehrlichiosis and anaplasmosis cases in the United States have increased substantially, resulting in potential risk to transplant and transfusion recipients. We reviewed ehrlichiosis and anaplasmosis cases among blood transfusion and solid organ transplant recipients in the United States from peer-reviewed literature and Centers for Disease Control and Prevention investigations. We identified 132 cases during 1997–2020, 12 transfusion-associated cases and 120 cases in transplant recipients; 8 cases were donor-derived, and in 13 cases illness occurred <1 year after transplant. Disease in the remaining 99 cases occurred ≥1 year after transplant, suggesting donor-derived disease was unlikely. Severe illness or death were reported among 15 transfusion and transplant recipients. Clinicians should be alert for these possible infections among transfusion and transplant recipients to prevent severe complications or death by quickly treating them.
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Russell A, Prusinski M, Sommer J, O'Connor C, White J, Falco R, Kokas J, Vinci V, Gall W, Tober K, Haight J, Oliver J, Meehan L, Sporn LA, Brisson D, Backenson PB. Epidemiology and Spatial Emergence of Anaplasmosis, New York, USA, 2010‒2018. Emerg Infect Dis 2021; 27:2154-2162. [PMID: 34287128 PMCID: PMC8314826 DOI: 10.3201/eid2708.210133] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Human granulocytic anaplasmosis, a tickborne disease caused by the bacterium Anaplasma phagocytophilum, was first identified during 1994 and is now an emerging public health threat in the United States. New York state (NYS) has experienced a recent increase in the incidence of anaplasmosis. We analyzed human case surveillance and tick surveillance data collected by the NYS Department of Health for spatiotemporal patterns of disease emergence. We describe the epidemiology and growing incidence of anaplasmosis cases reported during 2010–2018. Spatial analysis showed an expanding hot spot of anaplasmosis in the Capital Region, where incidence increased >8-fold. The prevalence of A. phagocytophilum increased greatly within tick populations in the Capital Region over the same period, and entomologic risk factors were correlated with disease incidence at a local level. These results indicate that anaplasmosis is rapidly emerging in a geographically focused area of NYS, likely driven by localized changes in exposure risk.
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Costa SCL, de Souza Freitas J, Carvalho FS, Pereira MJS, Cordeiro MD, da Fonseca AH, Gomes Jusi MM, Machado RZ, Munhoz AD. Frequency and factors associated of potential zoonotic pathogens (Borrelia spp., Rickettsia spp., Leishmania spp., and Anaplasma phagocytophilum) in equids in the state of Bahia, Brazil. Parasit Vectors 2021; 14:275. [PMID: 34022939 PMCID: PMC8140576 DOI: 10.1186/s13071-021-04777-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 05/06/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Currently, various zoonotic diseases are classified as emerging or reemerging. Because equids have a direct relationship with various vectors, they are possibly more frequently exposed to zoonotic agents than are humans. The undeniable importance of diseases such as human granulocytic anaplasmosis, spotted fever, and leishmaniasis for both public and animal health, as well as the possibility of equids acting as sources, reservoirs, or even sentinels for these pathogens, justifies the detection of their frequency and factors associated with infection in equids from northeastern Brazil. METHODS Blood samples were collected from 569 equids (528 horses, 33 donkeys, and 8 mules), 516 from a rural area and 53 from an urban area. Pathogen detection was carried out as follows: Borrelia spp. and Rickettsia spp., serological analysis; Leishmania spp., serological analysis and polymerase chain reaction (PCR); Anaplasma phagocytophilum, PCR. Determination of associated factors was carried out through generalized linear models. RESULTS The frequencies of positivity for the pathogens observed in equids were as follows: Borrelia spp., 13.9% (79/569); Leishmania spp., 3.5% (20/569); Rickettsia spp. 33.4% (190/569). Regarding factors associated with infection, male sex was associated with protection against Borrelia spp.; donkeys and mules were associated with protection against Rickettsia spp., while a younger age was a risk factor. The infection of A. phagocytophilum was not detected in the sampled population. Co-infection was detected in 5.1% (29/569) of the animals. CONCLUSIONS Most of the studied pathogenic agents are present in the prospected area, indicating a possible risk for both human and animal health. This demonstrates that equids can be considered important sentinels in the assessment of pathogens with zoonotic potential in the region.
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Affiliation(s)
- Sonia Carmen Lopo Costa
- Department of Agricultural and Environmental Sciences, State University of Santa Cruz - UESC, Soane Nazaré de Andrade Campus, Ilhéus, BA, Brazil
| | - Jéssica de Souza Freitas
- Department of Agricultural and Environmental Sciences, State University of Santa Cruz - UESC, Soane Nazaré de Andrade Campus, Ilhéus, BA, Brazil
| | - Fábio Santos Carvalho
- Department of Agricultural and Environmental Sciences, State University of Santa Cruz - UESC, Soane Nazaré de Andrade Campus, Ilhéus, BA, Brazil
| | - Maria Julia Salim Pereira
- Department of Animal Parasitology, Rural Federal University of Rio de Janeiro-UFRRJ, Seropédica, RJ, Brazil
| | - Matheus Dias Cordeiro
- Department of Epidemiology and Public Health, Rural Federal University of Rio de Janeiro-UFRRJ, Seropédica, RJ, Brazil
| | - Adivaldo Henrique da Fonseca
- Department of Epidemiology and Public Health, Rural Federal University of Rio de Janeiro-UFRRJ, Seropédica, RJ, Brazil
| | - Márcia Mariza Gomes Jusi
- Department of Animal Pathology, Julio Mesquita Filho State University, UNESP/Jaboticabal, Rod. Paulo Castelanne s/n, Jaboticabal, São Paulo, 4884-900, Brazil
| | - Rosangela Zacarias Machado
- Department of Animal Pathology, Julio Mesquita Filho State University, UNESP/Jaboticabal, Rod. Paulo Castelanne s/n, Jaboticabal, São Paulo, 4884-900, Brazil
| | - Alexandre Dias Munhoz
- Department of Agricultural and Environmental Sciences, State University of Santa Cruz - UESC, Soane Nazaré de Andrade Campus, Ilhéus, BA, Brazil.
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