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Pardinilla LM, Aljaberi S, Procter M, Hamdan L, Pasha SK, Al Aiyan A, Qablan MA. The prevalence of selected vector-borne diseases in dromedary camels (Camelus dromedarius) in the United Arab Emirates. Vet Parasitol Reg Stud Reports 2024; 50:101006. [PMID: 38644035 DOI: 10.1016/j.vprsr.2024.101006] [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: 01/16/2024] [Revised: 02/19/2024] [Accepted: 02/27/2024] [Indexed: 04/23/2024]
Abstract
Vector-borne diseases (VBDs) affecting dromedary camels (Camelus dromedarius) have considerable importance in the United Arab Emirates (UAE) because of the consequences associated with production decline and economic losses. Our study aimed to determine the prevalence of selected VBDs in camels in the UAE and identify risk factors. This research is currently affected by the low number of epidemiological molecular surveys addressing this issue. Blood samples were obtained from 425 dromedary camels from different locations across the UAE. Whole genomic DNA was isolated, and PCR screening was done to detect piroplasmids (Babesia/Theileria spp.), Trypanosoma spp., and Anaplasmataceae spp. (Anaplasma, Ehrlichia, Neorickettsia and Wolbachia spp.). Amplicons were sequenced, and phylogenetic trees were constructed. Trypanosoma sequences were identified as T. brucei evansi, whereas Anaplasmataceae sequences were identified as A. platys-like. All camels were negative for Babesia/Theileria spp. (0%); however, 18 camels were positive for T. b. evansi (4%) and 52 were positive for A. platys-like (12%). Mixed infection with T. b. evansi and A. platys-like was found in one camel. Statistical analyses revealed that camels with a brown coat colour were significantly more prone to acquire the A. platys-like strain compared with those having a clearer coat. A similar finding was observed when comparing urban moving camels with desert indoor and urban indoor camels. Continuous disease surveillance is required to ensure and maintain the good health status of the camels in the UAE. Nonetheless, the risk of disease outbreak remains if the misuse of drugs continues.
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Affiliation(s)
- Laia-M Pardinilla
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates; ASPIRE Research Institute for Food Security in the Drylands (ARIFSID), United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates
| | - Saeed Aljaberi
- Veterinary Services Section, Public Health Services Department, Dubai Municipality, P.O. Box 67, Dubai, United Arab Emirates
| | - Miranda Procter
- Biology Department, College of Science, United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates
| | - Layaly Hamdan
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates
| | - Syed Kamaal Pasha
- Emirates Camel Center, P.O. Box 7660, Umm Al Quwain, United Arab Emirates
| | - Ahmad Al Aiyan
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates
| | - Moneeb A Qablan
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates; ASPIRE Research Institute for Food Security in the Drylands (ARIFSID), United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates.
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Foster E, Holcomb KM, Eisen RJ. Density of host-seeking Ixodes scapularis nymphs by region, state, and county in the contiguous United States generated through national tick surveillance. Ticks Tick Borne Dis 2024; 15:102316. [PMID: 38325243 DOI: 10.1016/j.ttbdis.2024.102316] [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: 10/27/2023] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/09/2024]
Abstract
The majority of vector-borne disease cases reported annually in the United States are caused by pathogens spread by the blacklegged tick, Ixodes scapularis. The number and geographic distribution of cases have increased as the geographic range and abundance of the tick have expanded in recent decades. A large proportion of Lyme disease and other I. scapularis-borne diseases are associated with nymphal tick bites; likelihood of such bites generally increases with increasing nymphal densities. National tick surveillance was initiated in 2018 to track changes in the distribution and abundance of medically important ticks at the county spatial scale throughout the United States. Tick surveillance records, including historical data collected prior to the initiation of the national program, are collated in the ArboNET Tick Module database. Through exploration of ArboNET Tick Module data, we found that efforts to quantify the density of host-seeking I. scapularis nymphs (DON) were unevenly distributed among geographic regions with the greatest proportion of counties sampled in the Northeast and Upper Midwest. Submissions covering tick collections from 2004 through 2022 revealed extensive variation in DON estimates at collection site, county, state, and regional spatial scales. Throughout the entire study period, county DON estimates ranged from 0.0 to 488.5 nymphs/1,000 m2 . Although substantial variation was recorded within regions, DON estimates were greatest in the Northeast, Upper Midwest, and northern states within the Southeast regions (Virginia and North Carolina); densities were intermediate in the Ohio Valley and very low in the South and Northern Rockies and Plains regions. The proportion of counties classified as moderate or high DON was lower in the Northeast, Ohio Valley, and Southeast regions during the 2004 through 2017 time period (prior to initiation of the national tick surveillance program) compared to 2018 through 2022; DON estimates remained similarly low between these time periods in the South and the Northern Rockies and Plains regions. Despite the limitations described herein, the ArboNET Tick Module provides useful data for tracking changes in acarological risk across multiple geographic scales and long periods of time.
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Affiliation(s)
- Erik Foster
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 3156 Rampart Road, Fort Collins, CO 80521, Fort Collins 80521, CO, USA.
| | - Karen M Holcomb
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 3156 Rampart Road, Fort Collins, CO 80521, Fort Collins 80521, CO, USA
| | - Rebecca J Eisen
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 3156 Rampart Road, Fort Collins, CO 80521, Fort Collins 80521, CO, USA
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Osikowicz LM, Maes SE, Eisen RJ, Hojgaard A. A next generation sequencing assay combining Ixodes species identification with pathogen detection to support tick surveillance efforts in the United States. Ticks Tick Borne Dis 2024; 15:102343. [PMID: 38615554 DOI: 10.1016/j.ttbdis.2024.102343] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 03/21/2024] [Accepted: 04/03/2024] [Indexed: 04/16/2024]
Abstract
The burden of tick-borne diseases continues to increase in the United States. Tick surveillance has been implemented to monitor changes in the distribution and prevalence of human disease-causing pathogens in ticks that frequently bite humans. Such efforts require accurate identification of ticks to species and highly sensitive and specific assays that can detect and differentiate pathogens from genetically similar microbes in ticks that have not been demonstrated to be pathogenic in humans. We describe a modification to a next generation sequencing pathogen detection assay that includes a target that accurately identifies Ixodes ticks to species. We show that the replacement of internal control primers used to ensure assay performance with primers that also act as an internal control and can additionally differentiate tick species, retains high sensitivity and specificity, improves efficiency, and reduces costs by eliminating the need to run separate assays to screen for pathogens and for tick identification.
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Affiliation(s)
- Lynn M Osikowicz
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Sarah E Maes
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Rebecca J Eisen
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Andrias Hojgaard
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States.
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Habib J, Zenner L, Garel M, Mercier A, Poirel MT, Itty C, Appolinaire J, Amblard T, Benedetti P, Sanchis F, Benabed S, Abi Rizk G, Gibert P, Bourgoin G. Prevalence of tick-borne pathogens in ticks collected from the wild mountain ungulates mouflon and chamois in 4 regions of France. Parasite 2024; 31:21. [PMID: 38602373 PMCID: PMC11008225 DOI: 10.1051/parasite/2024011] [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: 10/28/2022] [Accepted: 02/09/2024] [Indexed: 04/12/2024] Open
Abstract
Ticks are major vectors of various pathogens of health importance, such as bacteria, viruses and parasites. The problems associated with ticks and vector-borne pathogens are increasing in mountain areas, particularly in connection with global climate change. We collected ticks (n = 2,081) from chamois and mouflon in 4 mountainous areas of France. We identified 6 tick species: Ixodes ricinus, Rhipicephalus bursa, Rh. sanguineus s.l., Haemaphysalis sulcata, H. punctata and Dermacentor marginatus. We observed a strong variation in tick species composition among the study sites, linked in particular to the climate of the sites. We then analysed 791 ticks for DNA of vector-borne pathogens: Babesia/Theileria spp., Borrelia burgdorferi s.l., Anaplasma phagocytophilum, A. marginale, A. ovis, and Rickettsia of the spotted fever group (SFG). Theileria ovis was detected only in Corsica in Rh. bursa. Babesia venatorum (2 sites), Borrelia burgdorferi s.l. (B. afzelii and B. garinii; 2 sites) and Anaplasma phagocytophilum (3 sites) were detected in I. ricinus. Anaplasma ovis was detected at one site in I. ricinus and Rh. sanguineus s.l. SFG Rickettsia were detected at all the study sites: R. monacensis and R. helvetica in I. ricinus at the 3 sites where this tick is present; R. massiliae in Rh. sanguineus s.l. (1 site); and R. hoogstraalii and Candidatus R. barbariae in Rh. bursa in Corsica. These results show that there is a risk of tick-borne diseases for humans and domestic and wild animals frequenting these mountain areas.
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Affiliation(s)
- Jad Habib
- Université de Lyon, VetAgro Sup – Campus Vétérinaire de Lyon, Laboratoire de Parasitologie Vétérinaire 1 avenue Bourgelat BP 83 69280 Marcy-l’Etoile France
- Université de Lyon, Université Lyon 1, CNRS, VetAgro Sup, UMR 5558, Laboratoire de Biométrie et Biologie Évolutive 43 bd du 11 novembre 1918 69622 Villeurbanne France
- Université Libanaise, Faculté d’Agronomie et de Médecine Vétérinaire, Département de Médecine Vétérinaire 3 rue de l'université Beyrouth Lebanon
| | - Lionel Zenner
- Université de Lyon, VetAgro Sup – Campus Vétérinaire de Lyon, Laboratoire de Parasitologie Vétérinaire 1 avenue Bourgelat BP 83 69280 Marcy-l’Etoile France
- Université de Lyon, Université Lyon 1, CNRS, VetAgro Sup, UMR 5558, Laboratoire de Biométrie et Biologie Évolutive 43 bd du 11 novembre 1918 69622 Villeurbanne France
| | - Mathieu Garel
- Office Français de la Biodiversité, Service Anthropisation et Fonctionnement des Écosystèmes Terrestres 5 allée de Bethléem, Z.I. Mayencin 38610 Gières France
| | - Antoine Mercier
- Université de Lyon, VetAgro Sup – Campus Vétérinaire de Lyon, Laboratoire de Parasitologie Vétérinaire 1 avenue Bourgelat BP 83 69280 Marcy-l’Etoile France
- Université de Lyon, Université Lyon 1, CNRS, VetAgro Sup, UMR 5558, Laboratoire de Biométrie et Biologie Évolutive 43 bd du 11 novembre 1918 69622 Villeurbanne France
| | - Marie-Thérèse Poirel
- Université de Lyon, VetAgro Sup – Campus Vétérinaire de Lyon, Laboratoire de Parasitologie Vétérinaire 1 avenue Bourgelat BP 83 69280 Marcy-l’Etoile France
- Université de Lyon, Université Lyon 1, CNRS, VetAgro Sup, UMR 5558, Laboratoire de Biométrie et Biologie Évolutive 43 bd du 11 novembre 1918 69622 Villeurbanne France
| | - Christian Itty
- Office Français de la Biodiversité, Service Appui aux Acteurs et Mobilisation des Territoires, Direction Régionale Occitanie 7 rue du Four, Fagairolles 34610 Castanet-le-Haut France
| | - Joël Appolinaire
- Office Français de la Biodiversité, Service Anthropisation et Fonctionnement des Écosystèmes Terrestres 5 allée de Bethléem, Z.I. Mayencin 38610 Gières France
| | - Thibaut Amblard
- Office Français de la Biodiversité, Service Anthropisation et Fonctionnement des Écosystèmes Terrestres 5 allée de Bethléem, Z.I. Mayencin 38610 Gières France
| | - Pierre Benedetti
- Office Français de la Biodiversité, Unité Espaces Naturels de Corse Funtanella 20218 Moltifao France
| | - Frédéric Sanchis
- Office Français de la Biodiversité, Unité Espaces Naturels de Corse Funtanella 20218 Moltifao France
| | - Slimania Benabed
- Université de Lyon, VetAgro Sup – Campus Vétérinaire de Lyon, Laboratoire de Parasitologie Vétérinaire 1 avenue Bourgelat BP 83 69280 Marcy-l’Etoile France
- Université de Lyon, Université Lyon 1, CNRS, VetAgro Sup, UMR 5558, Laboratoire de Biométrie et Biologie Évolutive 43 bd du 11 novembre 1918 69622 Villeurbanne France
| | - Georges Abi Rizk
- Université Libanaise, Faculté d’Agronomie et de Médecine Vétérinaire, Département de Médecine Vétérinaire 3 rue de l'université Beyrouth Lebanon
| | - Philippe Gibert
- Office Français de la Biodiversité, Service Anthropisation et Fonctionnement des Écosystèmes Terrestres 5 allée de Bethléem, Z.I. Mayencin 38610 Gières France
| | - Gilles Bourgoin
- Université de Lyon, VetAgro Sup – Campus Vétérinaire de Lyon, Laboratoire de Parasitologie Vétérinaire 1 avenue Bourgelat BP 83 69280 Marcy-l’Etoile France
- Université de Lyon, Université Lyon 1, CNRS, VetAgro Sup, UMR 5558, Laboratoire de Biométrie et Biologie Évolutive 43 bd du 11 novembre 1918 69622 Villeurbanne France
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Monje LD, Eberhardt AT, Vaschalde PJ, Barolin J, Costa FB, Labruna MB, Beldomenico PM. Natural infection of free-ranging capybaras (Hydrochoerus hydrochaeris) with Anaplasmataecea and Rickettsiaceae bacteria in the Iberá wetlands ecoregion, Argentina. Vet Res Commun 2024; 48:1161-1169. [PMID: 38227179 DOI: 10.1007/s11259-024-10301-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/08/2024] [Indexed: 01/17/2024]
Abstract
The current work assessed the infection with Ehrlichia and Anaplasma species, and exposure to Rickettsia spp. in free-ranging capybaras in the Iberá wetlands ecoregion in Argentina. By indirect immunofluorescence assay, 37 out of 51 (73%) capybara sera were seropositive to Rickettsia spp., with 23.5% and 4% samples considered homologous to Rickettsia parkeri and Rickettsia bellii, respectively (or very closely related serotypes). Anaplasmataceae DNA was found to be highly prevalent in capybaras, with 33 out of 62 samples positive for Anaplasma sp. with Ct values of 28.64 ± 0.35 (average ± standard error), and 12 samples positive for Ehrlichia sp. with Ct values of 31.74 ± 0.87. Anaplasma sp. from capybaras was closely related to Anaplasma sp. reported to infect Amblyomma dubitatum in Iberá wetlands and to Anaplasma odocoilei, while the detected Ehrlichia sp. was closely related to "Candidatus Ehrlichia hydrochoerus" previously reported to infect capybaras in Brazil and A. dubitatum in Iberá wetlands. Structures compatible with Anaplasma morulae were observed in the cytoplasm of platelets from Anaplasma-positive capybaras. Our findings show that capybaras from the Iberá wetlands were exposed to Rickettsia species related to R. bellii and to the pathogen R. parkeri, and were infected with "Ca. Ehrlichia hydrochoerus" and a novel Anaplasma species, herein named "Candidatus Anaplasma capybara".
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Affiliation(s)
- Lucas D Monje
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), R.P. Kreder 2805, Esperanza, Santa Fe, Argentina.
- Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina.
| | - Ayelen T Eberhardt
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), R.P. Kreder 2805, Esperanza, Santa Fe, Argentina
| | - Paula J Vaschalde
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), R.P. Kreder 2805, Esperanza, Santa Fe, Argentina
| | - Johann Barolin
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), R.P. Kreder 2805, Esperanza, Santa Fe, Argentina
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral (UNL), Esperanza, Santa Fe, Argentina
| | | | - Marcelo B Labruna
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, São Paulo, São Paulo, Brazil
| | - Pablo M Beldomenico
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), R.P. Kreder 2805, Esperanza, Santa Fe, Argentina
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral (UNL), Esperanza, Santa Fe, Argentina
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Tonnetti L, Marcos LA, Mamone L, Spitzer ED, Jacob M, Townsend RL, Stramer SL, West FB. A case of transfusion-transmission Anaplasma phagocytophilum from leukoreduced red blood cells. Transfusion 2024; 64:751-754. [PMID: 38491925 DOI: 10.1111/trf.17783] [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: 02/07/2024] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUND Anaplasma phagocytophilum is a tick-borne bacterium and the cause of human granulocytic anaplasmosis (HGA). Here, we report a case of transfusion-transmitted (TT)-HGA involving a leukoreduced (LR) red blood cell (RBC) unit. CASE REPORT A 64-year-old woman with gastric adenocarcinoma and multiple myeloma who received weekly blood transfusions developed persistent fevers, hypotension, and shortness of breath 1 week after receiving an RBC transfusion. Persistent fevers, new thrombocytopenia, and transaminitis suggested a tick-borne infection. RESULTS The absence of blood parasites on thick and thin blood smears suggested that malaria and Babesia infection were not present, and the recipient tested negative for antibodies to Borrelia burgdorferi. Blood testing by polymerase chain reaction (PCR) for Ehrlichia and Anaplasma species identified A. phagocytophilum. Treatment with doxycycline resolved the infection; however, the recipient expired due to complications of her known malignancies. The recipient lived in a nursing home and did not have pets or spend time outdoors. The donor was a female in her 70s from Maine who was diagnosed with HGA 3 weeks after donating blood and whose LR-RBCs from the donation were transfused to the recipient 9 days following collection. CONCLUSION This is a confirmed case of TT-HGA. Although rare, TT-HGA has been reported with LR-RBCs and platelets. In endemic areas, testing for tick-borne associated infections should be considered when investigating post-transfusion complications.
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Affiliation(s)
- Laura Tonnetti
- Scientific Affairs, American Red Cross, Rockville, Maryland, USA
| | - Luis A Marcos
- Division of Infectious Diseases, Stony Brook University Hospital, Stony Brook, New York, USA
- Department of Microbiology and Immunology, Stony Brook University, Stony Brook, New York, USA
| | - Linda Mamone
- Department of Pathology, Stony Brook University, Stony Brook, New York, USA
| | - Eric D Spitzer
- Department of Pathology, Stony Brook University, Stony Brook, New York, USA
| | - Matthew Jacob
- Division of Infectious Diseases, Stony Brook University Hospital, Stony Brook, New York, USA
| | | | | | - Fay B West
- American Red Cross, Biomedical Services, Farmington, Connecticut, USA
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Xue J, Chen SS, Xu ZY, Wang FN, Wang J, Diao D, Du L, Xie GC, Guo WP. Anaplasma, Bartonella, and Rickettsia infections in Daurian ground squirrels ( Spermophilus dauricus), Hebei, China. Front Microbiol 2024; 15:1359797. [PMID: 38605713 PMCID: PMC11007220 DOI: 10.3389/fmicb.2024.1359797] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 03/11/2024] [Indexed: 04/13/2024] Open
Abstract
Rodents have been confirmed as hosts of various vector-borne zoonotic pathogens and are important for the maintenance of these microbes in nature. However, surveillance for zoonotic pathogens is limited for many wild rodent species in China, so our knowledge of pathogen ecology, genetic diversity, and the risk of cross-species transmission to humans is limited. In this study, 165 spleen samples of Daurian ground squirrels (Spermophilus dauricus) were collected from Weichang Manchu and the Mongolian Autonomous County of Hebei Province, China, and Rickettsia, Bartonella, and Anaplasma were identified by DNA detection using polymerase chain reaction (PCR). Sequence analysis identified eight bacterial pathogens: R. raoultii, R. sibirica, Candidatus R. longicornii, B. washoensis, B. grahamii, B. jaculi, A. capra, and Candidatus Anaplasma cinensis. Co-infection of B. grahamii and R. raoultii in one sample was observed. Our results demonstrated the genetic diversity of bacteria in Daurian ground squirrels and contributed to the distribution of these pathogens. Six species, A. capra, R. raoultii, R. sibirica, Candidatus R. longicornii, B. washoensis, and B. grahamii, are known to be pathogenic to humans, indicating a potential public health risk to the local human population, especially to herders who frequently have close contact with Daurian ground squirrels and are thus exposed to their ectoparasites.
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Affiliation(s)
- Jing Xue
- College of Basic Medicine, Chengde Medical University, Chengde, China
| | - Si-Si Chen
- College of Basic Medicine, Chengde Medical University, Chengde, China
| | - Ze-Yun Xu
- College of Basic Medicine, Chengde Medical University, Chengde, China
| | - Fang-Ni Wang
- College of Basic Medicine, Chengde Medical University, Chengde, China
| | - Jiangli Wang
- Chengde Center for Disease Control and Prevention, Chengde, China
| | - Danhong Diao
- Chengde Center for Disease Control and Prevention, Chengde, China
| | - Luanying Du
- College of Basic Medicine, Chengde Medical University, Chengde, China
| | - Guang-Cheng Xie
- College of Basic Medicine, Chengde Medical University, Chengde, China
| | - Wen-Ping Guo
- College of Basic Medicine, Chengde Medical University, Chengde, China
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Jamil A, Yu Z, Wang Y, Xin Q, Gao S, Abdul Wahab M, Han X, Chen Z. Tick-borne Rickettsia, Anaplasma, Theileria, and enzootic nasal tumor virus in ruminant, PET, and poultry animals in Pakistan. Front Microbiol 2024; 15:1359492. [PMID: 38596373 PMCID: PMC11002113 DOI: 10.3389/fmicb.2024.1359492] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/04/2024] [Indexed: 04/11/2024] Open
Abstract
Introduction Pakistan is an agricultural country; most of its income is based on livestock rearing. The increasing prevalence of tick-borne pathogens among animals may affect the animal production and livelihood of owners, which eventually derange the economy of a country. Methodology To further comprehend TBPs, 213 ticks were collected from different animals, including ruminants, pets, and poultry. After molecular and phylogenetic analysis identification, ticks were managed into different pools based on their species level (Hyalomma anatolicum = 80, Rhipicephalus microplus = 35, Hyalomma scupense = 23, Rhipicephalus turanicus = 70, and Rhipicephalus sanguineus = 5). Results and discussion After tick species identification, further molecular PCR amplification was carried out to screen out the pathogens for the presence of Theileria, Rickettsia, Anaplasma, and enzootic nasal tumor virus (ENTV). The following pathogens were detected: 11 (5.16%) for Anaplasma, 1 (0.47%) for Rickettsia, and 9 (4.23%) for Theileria. Nevertheless, other TBPs that had not been reported so far in Pakistan 3 (1.41%), were positive for enzootic nasal tumor virus (ENTV). Besides, phylogenetic analysis of the enzootic nasal tumor virus (ENTV) strain confirmed its resemblance to the Chinese strain, while Anaplasma has comparability with Pakistan and China, Rickettsia with Pakistan, China, and Iran, and Theileria with India, South Africa, United States, Japan, and Spain. Conclusion This study reveals that there is a considerably wider range of TBPs held in Pakistan that take in various contagious zoonotic pathogens than was previously thought. This information advances TBP epidemiology and will contribute to upgrade future control measure.
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Affiliation(s)
- Anjum Jamil
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agriculture University, Shenyang, China
| | - Ze Yu
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agriculture University, Shenyang, China
| | - Yuxin Wang
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agriculture University, Shenyang, China
| | - Qing Xin
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agriculture University, Shenyang, China
| | - Shan Gao
- Department of Epidemiology, School of Public Health, Sun Yat-sun University, Guangzhou, China
| | - Muhammad Abdul Wahab
- Department of Veterinary Parasitology, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Xiaohu Han
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agriculture University, Shenyang, China
| | - Zeliang Chen
- Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Shenyang Agriculture University, Shenyang, China
- Department of Epidemiology, School of Public Health, Sun Yat-sun University, Guangzhou, China
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Abdous A, Rahnama M, Shams F, Jokar M, Rahmanian V, Farhoodi M, Abbassioun A, Kamjoo MS. Prevalence of Anaplasma, Ehrlichia and Rickettsia infections in dogs in Iran: A meta-analysis study. Vet Med Sci 2024; 10:e1381. [PMID: 38379344 PMCID: PMC10879722 DOI: 10.1002/vms3.1381] [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: 02/23/2023] [Revised: 01/07/2024] [Accepted: 01/29/2024] [Indexed: 02/22/2024] Open
Abstract
The current study aims to assess the prevalence of different genera of Rickettsiales, intracellular bacteria, in dogs across various regions of Iran. Rickettsiales, as zoonotic pathogens, can have various manifestations in different species, including immunosuppression, anaemia and neuropathy. Due to their close interactions with people and livestock, dogs can serve as reservoirs and transmit these pathogens to humans and other animals. The data from this research can be valuable for managing and controlling related diseases and complications in Iran and possibly neighbouring countries. Pertinent data for this study was gathered without time limitations until 1 March 2022, from different databases. Of all the inspected studies, 26 were eligible based on the inclusion criteria. The Egger test result and asymmetry in the funnel plot revealed significant publication bias; therefore, the meta-analysis model was corrected with the trim-and-fill method. After correction, the prevalence of rickettsial infections among dogs varies by genus - 20.1% for Anaplasma spp. and 10% for Ehrlichia spp. - with an overall prevalence estimated at 18.3% by random-effects analysis. The highest and lowest estimated pooled prevalences were associated with the southwestern (38.5%) and southern (0.3%) provinces of Iran, respectively. The pooled prevalence of rickettsial infection was higher in female dogs (OR = 1.198; p < 0.978; 95% CI, 0.842-1.705) and in dogs ≤2 years (OR = 1.014; p < 0.312; 95% CI, 0.598-1.72), but the difference was not statistically significant. Ultimately, the pooled prevalence of rickettsial infections among dogs is relatively low compared to other countries like Qatar, Iraq, Saudi Arabia and Turkey, which are nearby Iran. Given the significant clinical outcomes of this disease, necessary measures for prevention should be taken.
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Affiliation(s)
- Arman Abdous
- Faculty of Veterinary MedicineKaraj BranchIslamic Azad UniversityKarajIran
| | - Mehdi Rahnama
- Faculty of Veterinary MedicineScience and Research BranchIslamic Azad UniversityTehranIran
| | - Farzane Shams
- Graduate School for Cellular and Biomedical SciencesUniversity of BernBernSwitzerland
| | - Mohammad Jokar
- Faculty of Veterinary MedicineKaraj BranchIslamic Azad UniversityKarajIran
| | - Vahid Rahmanian
- Department of Public HealthTorbat Jam Faculty of Medical SciencesTorbat JamIran
| | - Mehran Farhoodi
- Department of Clinical SciencesFaculty of Veterinary MedicineKaraj BranchIslamic Azad UniversityKarajIran
| | - Aryan Abbassioun
- Department of VirologyFaculty of Veterinary MedicineTehran UniversityTehranIran
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10
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Puri BK, Preyer R, Lee GS, Schwarzbach A. T Lymphocyte Interferon-gamma Response to Anaplasmataceae-related Major Surface Proteins and Ankyrin A in Fibromyalgia. CNS Neurol Disord Drug Targets 2024; 23:CNSNDDT-EPUB-138579. [PMID: 38375844 DOI: 10.2174/0118715273274091231207101522] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/13/2023] [Accepted: 10/23/2023] [Indexed: 02/21/2024]
Abstract
BACKGROUND The aetiology of fibromyalgia is unknown; its symptoms may be related to a T-lymphocyte-mediated response to infectious organisms. OBJECTIVES First, to test the hypothesis that fibromyalgia is associated with increased interferon (IFN)-γ-secreting T-lymphocytes after stimulation with Anaplasmataceae-related major surface proteins (MSFs) and the macromolecular translocation type IV secretion system effector ankyrin repeat domain-containing protein A (AnkA). Second, to ascertain the relationship in fibromyalgia between (i) the IFN-γ-secreting T-lymphocyte response to stimulation with Anaplasmataceae-related MSFs and AnkA, and (ii) co-infection by Borrelia and Yersinia spp., and antinuclear antibodies. METHODS Using a case-control design, patients fulfilling the American College of Rheumatology revised criteria for fibromyalgia, and controls, underwent the following blinded assessments: (i) enzyme- linked immune absorbent spot (ELISpot) IFN-γ release assay of T-lymphocyte reactivity to Anaplasmataceae-related MSFs and AnkA; (ii) ELISpot IFN-γ release assays of T-lymphocyte reactivity to three Borrelia antigens, namely Borrelia burgdorferi full antigen (B31); peptide mix (from Borrelia burgdorferi sensu stricto, Borrelia afzelii, Borrelia garinii); and Borrelia burgdorferi lymphocyte function-associated antigen-1; (iii) immunoglobulin (Ig) A assay by enzyme-linked immunosorbent assay (ELISA) of antibodies to Yersinia spp.; (iv) IgG (ELISA) antibodies to Yersinia spp.; (v) serum antinuclear antibodies (immunofluorescence). RESULTS The groups were age- and sex-matched. The mean (standard error) value of IFN-γ release for the fibromyalgia group was 1.52 (0.26), compared with 1.00 (0.22) for the controls. Generalised linear modelling (p<0.001) of IFN-γ release in the fibromyalgia patients showed significant main effects of all three indices of Borrelia infection and of antinuclear antibodies. CONCLUSION Anaplasmataceae may play an aetiological role in fibromyalgia.
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Affiliation(s)
- Basant K Puri
- Faculty of Health and Wellbeing, University of Winchester, Winchester, UK
| | | | - Gary S Lee
- University of Southampton, Southampton, UK
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Charles RA, Pow-Brown P, Gordon-Dillon A, Blake L, Nicholls S, Brown-Jordan A, Caruth J, Sant C, Pargass I, Basu A, Albina E, Oura C, Georges K. Completing the Puzzle: A Cluster of Hunting Dogs with Tick-Borne Illness from a Fishing Community in Tobago, West Indies. Pathogens 2024; 13:161. [PMID: 38392899 PMCID: PMC10891510 DOI: 10.3390/pathogens13020161] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/07/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
Eight hunting dogs were visited by a state veterinarian on the island of Tobago, Trinidad and Tobago, West Indies, as owners reported anorexia and paralysis in five of their dogs. The veterinarian observed a combination of clinical signs consistent with tick-borne illness, including fever, anorexia, anaemia, lethargy and paralysis. Blood and ticks were collected from each dog and submitted to a diagnostic laboratory for analysis. Microscopic analysis revealed a mixed infection of intracytoplasmic organisms consistent with Babesia spp. (erythrocyte) and Ehrlichia spp. (monocyte), respectively, from one dog, while a complete blood count indicated a regenerative anaemia (n = 1; 12.5%), non-regenerative anaemia (n = 4; 50%), neutrophilia (n = 3; 37.5%), lymphocytosis (n = 2; 25%), thrombocytopaenia (n = 3; 37.5%) and pancytopaenia (n = 1; 12.5%). DNA isolated from the eight blood samples and 20 ticks (16 Rhipicephalus sanguineus and 4 Amblyomma ovale) were subjected to conventional PCR and next-generation sequencing of the 16S rRNA and 18S rRNA gene for Anaplasma/Ehrlichia and Babesia/Theileria/Hepatozoon, respectively. The DNA of Ehrlichia spp., closely related to Ehrlichia canis, was detected in the blood of three dogs (37.5%), Anaplasma spp., closely related to Anaplasma marginale, in two (25%), Babesia vogeli in one dog (12.5%) and seven ticks (35%) and Hepatozoon canis and Anaplasma spp., in one tick (5%), respectively. These findings highlight the need to test both the vector and host for the presence of tick-borne pathogens when undertaking diagnostic investigations. Further studies are also warranted to elucidate the susceptibility of canids to Anaplasma marginale.
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Affiliation(s)
- Roxanne A. Charles
- School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (P.P.-B.); (L.B.); (C.S.); (I.P.); (A.B.); (C.O.); (K.G.)
| | - Patricia Pow-Brown
- School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (P.P.-B.); (L.B.); (C.S.); (I.P.); (A.B.); (C.O.); (K.G.)
| | - Annika Gordon-Dillon
- Animal Health Unit, Division of Food Security, Natural Resources, The Environment and Sustainable Development, Tobago House of Assembly, Milshirv Administrative Complex, Corner Milford & Shirvan Road, Tobago, Trinidad and Tobago; (A.G.-D.); (J.C.)
| | - Lemar Blake
- School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (P.P.-B.); (L.B.); (C.S.); (I.P.); (A.B.); (C.O.); (K.G.)
| | - Soren Nicholls
- Department of Preclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (S.N.); (A.B.-J.)
| | - Arianne Brown-Jordan
- Department of Preclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (S.N.); (A.B.-J.)
| | - Joanne Caruth
- Animal Health Unit, Division of Food Security, Natural Resources, The Environment and Sustainable Development, Tobago House of Assembly, Milshirv Administrative Complex, Corner Milford & Shirvan Road, Tobago, Trinidad and Tobago; (A.G.-D.); (J.C.)
| | - Candice Sant
- School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (P.P.-B.); (L.B.); (C.S.); (I.P.); (A.B.); (C.O.); (K.G.)
| | - Indira Pargass
- School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (P.P.-B.); (L.B.); (C.S.); (I.P.); (A.B.); (C.O.); (K.G.)
| | - Asoke Basu
- School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (P.P.-B.); (L.B.); (C.S.); (I.P.); (A.B.); (C.O.); (K.G.)
| | - Emmanuel Albina
- Centre de coopération internationale en recherche agronomique pour le développement (CIRAD), DGDRS, 34000 Montpellier, France;
| | - Christopher Oura
- School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (P.P.-B.); (L.B.); (C.S.); (I.P.); (A.B.); (C.O.); (K.G.)
| | - Karla Georges
- School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (P.P.-B.); (L.B.); (C.S.); (I.P.); (A.B.); (C.O.); (K.G.)
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12
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Segura JA, Dibernardo A, Manguiat K, Waitt B, Rueda ZV, Keynan Y, Wood H, Gutiérrez LA. Molecular surveillance of microbial agents from cattle-attached and questing ticks from livestock agroecosystems of Antioquia, Colombia. Comp Immunol Microbiol Infect Dis 2024; 105:102113. [PMID: 38176202 DOI: 10.1016/j.cimid.2023.102113] [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: 12/16/2023] [Accepted: 12/16/2023] [Indexed: 01/06/2024]
Abstract
Ticks are obligate ectoparasites and vectors of pathogens affecting health, agriculture, and animal welfare. This study collected ticks from the cattle and questing ticks of 24 Magdalena Medio Antioquia region cattle farms. Genomic DNA was extracted from the specimens (individual or pools) of the 2088 adult ticks collected from cattle and 4667 immature questing ticks collected from pastures. The molecular detection of Babesia, Anaplasma, Coxiella and Rickettsia genera was performed by polymerase chain reaction amplification and subsequent DNA sequencing. In a total of 6755 Rhipicephalus microplus DNA samples, Anaplasma marginale was the most detected with a frequency of 2% (Confidence Interval- CI 1.68-2.36), followed by Babesia bigemina with 0.28% (CI 0.16-0.44), Coxiella spp. with 0.15% (CI 0.07-0.27), and Rickettsia spp. with 0.13% (CI 0.06-0.25). Molecular analysis of the DNA sequences obtained from the tick samples revealed the presence of Coxiella-like endosymbiont and R. felis. These results demonstrated the diversity of microorganisms present in R. microplus ticks predominantly associated with cattle and questing ticks from livestock agroecosystems, suggesting their role as reservoirs and potential biological vectors of these microorganisms on the studied sites. Also, it emphasizes the need to combine acarological surveillance with clinical diagnoses and control strategies on regional and national levels.
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Affiliation(s)
- Juan A Segura
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1a No 70-01, Bloque 11C - Oficina 417, Medellín, Colombia
| | - Antonia Dibernardo
- One Health, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Kathy Manguiat
- One Health, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Brooks Waitt
- One Health, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Zulma V Rueda
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; Grupo de investigación en Salud Pública, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín, Colombia
| | - Yoav Keynan
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; Department of Internal Medicine, University of Manitoba, Winnipeg, Canada
| | - Heidi Wood
- One Health, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Lina A Gutiérrez
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1a No 70-01, Bloque 11C - Oficina 417, Medellín, Colombia.
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Ndjangangoye NK, Nzassi PM, Bangueboussa F, Ntigui CNMM, Kouna LC, Moukodoum ND, Atiga NC, Okouga AP, Ontoua SS, Lekana-Douki JB, Oyegue-Liabagui SL. High prevalence of asymptomatic Anaplasma spp. infection in school-aged children in southeastern Gabon. Int J Infect Dis 2024; 139:192-194. [PMID: 38065316 DOI: 10.1016/j.ijid.2023.12.003] [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: 09/06/2023] [Revised: 11/06/2023] [Accepted: 12/04/2023] [Indexed: 01/12/2024] Open
Abstract
OBJECTIVES The objective of this study was to evaluate the detection rates of asymptomatic Anaplasma spp. and Ehrlichia spp. infections in children in southeastern Gabon. METHODS We conducted a cross-sectional study among school-aged children in southeastern Gabon between May and June 2021. Blood samples were collected. Anaplasmataceae, Anaplasma spp., and Ehrlichia spp. were detected by microscopy and polymerase chain reaction. RESULTS Of the 452 blood samples collected, 57.5% (n/N=260/452) of the samples were positive for Anaplasma spp. and/or Ehrlichia spp. by microscopy, 86.9% (n/N=393/452) of the samples were positive for both Anaplasmataceae and Anaplasma spp., and none of the samples were found positive for Ehrlichia spp. PCR was more sensitive and specific than microscopy for detection of Anaplasma spp.. CONCLUSIONS In our study, a significant number of positive blood samples for Anaplasma spp. were found in school-aged children in southeastern Gabon. Further studies are needed to determine the prevalence of different species of Anaplasma, their pathogenicity, and their transmission patterns.
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Affiliation(s)
- Nal Kennedy Ndjangangoye
- Unité Évolution, Épidémiologie et Résistances Parasitaires (UNEREEP), CIRMF, Franceville, Gabon.
| | - Patrice Makouloutou Nzassi
- Département de Biologie et Écologie Animale, Institut de Recherche en Écologie Tropicale (IRET/CENAREST), Libreville, Gabon; Unité de Recherche en Écologie de la Santé, CIRMF, Franceville, Gabon
| | | | - Chérone Nancy Mbani Mpega Ntigui
- Unité Évolution, Épidémiologie et Résistances Parasitaires (UNEREEP), CIRMF, Franceville, Gabon; École Doctorale Régionale d'Afrique en infectiologie Tropicale (ECODRAC), Université des Sciences et Techniques de Masuku (USTM), Franceville, Gabon
| | - Lady Charlene Kouna
- Unité Évolution, Épidémiologie et Résistances Parasitaires (UNEREEP), CIRMF, Franceville, Gabon
| | | | - Nick Chenis Atiga
- Unité Évolution, Épidémiologie et Résistances Parasitaires (UNEREEP), CIRMF, Franceville, Gabon
| | - Alain Prince Okouga
- Unité Évolution, Épidémiologie et Résistances Parasitaires (UNEREEP), CIRMF, Franceville, Gabon
| | - Steede Seinnat Ontoua
- Unité Évolution, Épidémiologie et Résistances Parasitaires (UNEREEP), CIRMF, Franceville, Gabon; École Doctorale Régionale d'Afrique en infectiologie Tropicale (ECODRAC), Université des Sciences et Techniques de Masuku (USTM), Franceville, Gabon
| | - Jean-Bernard Lekana-Douki
- Unité Évolution, Épidémiologie et Résistances Parasitaires (UNEREEP), CIRMF, Franceville, Gabon; Département de Parasitologie-Mycologie, Université des Sciences de la Santé (USS), Libreville, Gabon
| | - Sandrine Lydie Oyegue-Liabagui
- Unité Évolution, Épidémiologie et Résistances Parasitaires (UNEREEP), CIRMF, Franceville, Gabon; Département de Biologie, Faculté des Sciences, Université des Sciences et Techniques de Masuku (USTM), Franceville, Gabon
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Mukhtar MU, Mahmood MA, Fayyaz Z, Klinpakdee K, Abdullah M. Opening the Black Box of Host Range, Vectorial Diversity, and Genetic Variants of Genus Anaplasma: The Contributing Factors Toward Its Zoonosis. Vector Borne Zoonotic Dis 2024. [PMID: 38227393 DOI: 10.1089/vbz.2023.0043] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024] Open
Abstract
Background: Genus Anaplasma of the family Anaplasmataceae possesses bacteria of hematopoietic origin, which are obligate intracellular Gram-negative bacteria transmitted mainly by tick vectors. The members of this group of infectious agents are not new as etiological agents of animal diseases worldwide. However, now, reports of their zoonotic potential have gained currency to study these pathogens. The emergence of new species of Anaplasma and the spread of existing species to new areas and hosts highlight the importance of monitoring and improving diagnostic and treatment options for zoonotic diseases caused by Anaplasma. Conclusion: This review focuses on the general and distinctive characteristics of Anaplasma spp., with particular emphasis on the novel species and their diverse spectrum of hosts as potential risk factors impacting its emerging zoonosis.
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Affiliation(s)
- Muhammad Uzair Mukhtar
- Department of Medical Entomology and Parasitology, Institute of Public Health, Lahore, Pakistan
| | - Muhammad Asif Mahmood
- Department of Medical Entomology and Parasitology, Institute of Public Health, Lahore, Pakistan
| | - Zahra Fayyaz
- Department of Infectious Diseases, Institute of Public Health, Lahore, Pakistan
| | - Kanoknaphat Klinpakdee
- Faculty of Veterinary Medicine, Rajamangala University of Technology Tawan-Ok, Chonburi, Thailand
| | - Muhammad Abdullah
- Department of Paramedical Education, Institute of Public Health, Lahore, Pakistan
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Zhang X, Lv W, Teng Z, Zhao N, Zhou Y, Ma D, Ma L, Cheng Y, Wei J, He J, Ma W, Liu D, Qin T. Molecular detection of Rickettsiales and a potential novel Ehrlichia species closely related to Ehrlichia chaffeensis in ticks (Acari: Ixodidae) from Shaanxi Province, China, in 2022 to 2023. Front Microbiol 2024; 14:1331434. [PMID: 38274750 PMCID: PMC10808515 DOI: 10.3389/fmicb.2023.1331434] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 12/08/2023] [Indexed: 01/27/2024] Open
Abstract
Important tick-borne diseases include spotted fever group Rickettsia (SFGR), Anaplasma, and Ehrlichia, which cause harm to animal and human health. Ixodidae are the primary vectors of these pathogens. We aimed to analyze the prevalence and genetic diversity of SFGR, Anaplasma, and Ehrlichia species in the Ixodidae in Shaanxi Province, China. Herein, 1,113 adult Ixodidae ticks were collected from domestic cattle and goats, and detected using nested PCR. A total of four Ixodidae species were collected and Ca. R. jingxinensis (20.58%, 229/1113), A. bovis (3.05%, 34/1113), A. capra (3.32%, 37/1113), A. marginale (0.18%, 2/1113), E. sp. Yonaguni138 (0.18%, 2/1113), and a potent novel Ehrlichia species named E. sp. Baoji96 (0.09%, 1/1113) were detected. A. marginale was detected for the first time in Rhipicephalus microplus. E. sp. Baoji96 was closely related to E. chaffeensis and was first identified in Haemaphysalis longicornis. In addition, co-infection with two Rickettsiales pathogens within an individual tick was detected in 10 (1.54%) ticks. This study provides a reference for the formulation of biological control strategies for ticks and tick-borne diseases in Shaanxi Province, and could lead to an improved control effect.
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Affiliation(s)
- Xue Zhang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Wen Lv
- Shaanxi Provincial Center for Disease Control and Prevention, Xi'an, China
| | - Zhongqiu Teng
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Na Zhao
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yue Zhou
- Long County Center for Disease Control and Prevention, Baoji, China
| | - Di Ma
- Mei County Center for Disease Control and Prevention, Baoji, China
| | - Lin Ma
- Shaanxi Provincial Center for Disease Control and Prevention, Xi'an, China
| | - Yuqing Cheng
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jianjun Wei
- HanZhong Center for Disease Control and Prevention, Hanzhong, China
| | - Jia He
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Wenke Ma
- Zhenba County Center for Disease Control and Prevention, Hanzhong, China
| | - Dongli Liu
- Shaanxi Provincial Center for Disease Control and Prevention, Xi'an, China
| | - Tian Qin
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
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Winter M, Sebastian PS, Tarragona EL, Flores FS, Abate SD, Nava S. Tick-borne microorganisms in Amblyomma tigrinum (Acari: Ixodidae) from the Patagonian region of Argentina. Exp Appl Acarol 2024; 92:151-159. [PMID: 38219227 DOI: 10.1007/s10493-023-00874-4] [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] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 12/12/2023] [Indexed: 01/16/2024]
Abstract
This study presents the results of the molecular detection of tick-borne microorganisms in Amblyomma tigrinum Koch collected near the city of Viedma, Río Negro, Argentina. Ticks were collected in their non-parasitic stage, on pet dogs and on Lycalopex gymnocercus (Pampa fox). Also, six tick samples from humans were analyzed. All ticks were morphologically identified to species level and genomic DNA was extracted. The DNA samples were examined by end point PCR assays to amplified DNA of Anaplasma sp., Babesia sp., Ehrlichia sp., Rickettsia sp. and Theileria sp. Although all tested DNA samples from the collected ticks resulted negative to the detection of Piroplasmida and Rickettsia spp., 16 samples (16.5%, including all hosts) were positive in the 16S rDNA gene PCR that detects bacteria from the Anaplasmataceae family. Phylogenetic analysis of seven obtained partial sequences resulted in the identification of three bacteria: two Ehrlichia spp. (related to Ehrlichia sp. strain Iberá and strain Viedma) and Candidatus Anaplasma boleense. The latter finding represents the first detection of this novel Candidatus species in A. tigrinum. Based on the results of this study, it must be assumed that the diversity of bacteria of the Anaplasmataceae family in Argentina is greater than previously thought, and that these bacteria can infect a wide range of domestic and wild animals.
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Affiliation(s)
- Marina Winter
- Centro de Investigaciones y Transferencia de Río Negro (CONICET-UNRN), Universidad Nacional de Río Negro, Sede Atlántica, Avenida Don Bosco 500, CP: 8500, Viedma, Río Negro, Argentina
| | - Patrick Stephan Sebastian
- Instituto de Investigación de la Cadena Láctea (IdICaL) CONICET - INTA, Ruta 34 km 227, CP: 2300, Rafaela, Santa Fe, Argentina.
| | - Evelina Luisa Tarragona
- Instituto de Investigación de la Cadena Láctea (IdICaL) CONICET - INTA, Ruta 34 km 227, CP: 2300, Rafaela, Santa Fe, Argentina
| | - Fernando Sebastián Flores
- Centro de Investigaciones Entomológicas de Córdoba (CIEC) - Instituto de Investigaciones Biológicas y Tecnológicas (IIBYT) CONICET-UNC, Universidad Nacional de Córdoba, Avenida Vélez Sarsfield 1611, CP: 5016, Córdoba, Argentina
| | - Sergio Damián Abate
- Centro de Investigaciones y Transferencia de Río Negro (CONICET-UNRN), Universidad Nacional de Río Negro, Sede Atlántica, Avenida Don Bosco 500, CP: 8500, Viedma, Río Negro, Argentina
| | - Santiago Nava
- Instituto de Investigación de la Cadena Láctea (IdICaL) CONICET - INTA, Ruta 34 km 227, CP: 2300, Rafaela, Santa Fe, Argentina
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El-Alfy ES, Abbas I, Saleh S, Elseadawy R, Fereig RM, Rizk MA, Xuan X. Tick-borne pathogens in camels: A systematic review and meta-analysis of the prevalence in dromedaries. Ticks Tick Borne Dis 2024; 15:102268. [PMID: 37769585 DOI: 10.1016/j.ttbdis.2023.102268] [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: 05/18/2022] [Revised: 09/18/2023] [Accepted: 09/19/2023] [Indexed: 10/03/2023]
Abstract
Published data on tick-borne pathogens (TBPs) in camels worldwide have been collected to provide an overview of the global prevalence and species diversity of camelid TBPs. Several TBPs have been detected in dromedary camels, raising concerns regarding their role as natural or maintenance hosts for tick-borne pathogens. Insubstantial evidence exists regarding the natural infection of camels with Babesia spp., Theileria spp., Anaplasma spp., and Ehrlichia spp., particularly because most of the camels were considered healthy at the time of sampling. Based on polymerase chain reaction (PCR) testing, a pooled prevalence of 35.3% (95% CI: 22.6-48.1%) was estimated for Anaplasma, which was the most frequently tested TBP in dromedaries, and DNA of Anaplasma marginale, Anaplasma centrale, Anaplasma ovis, Anaplasma platys, and A. platys-like were isolated, of which ruminants and dogs are reservoirs. Similarly, the estimated pooled prevalence for the two piroplasmid genera; Babesia and Theileria was approximately equal (10-12%) regardless of the detection method (microscopy or PCR testing). Nevertheless, Babesia caballi, Theileria equi, and Theileria annulata DNA have frequently been detected in camels but they have not yet been proven to be natural hosts. Scarce data detected Babesia microti, Anaplasma phagocytophilum, and Borrelia burgdorferi sensu lato (s.l.) DNA in blood of dromedaries, although ticks of the genus Ixodes are distributed in limited areas where dromedaries are raised. Interestingly, a pooled seroprevalence of 47.7% (26.3-69.2%) was estimated for Crimean-Congo hemorrhagic fever virus, and viral RNA was detected in dromedary blood; however, their contribution to maintain the viral transmission cycles requires further experimental investigation. The substantially low incidence and scarcity of data on Rickettsia and Ehrlichia species could imply that camels were accidentally infected. In contrast, camels may play a role in the spread of Coxiella burnetii, which is primarily transmitted through the inhalation of aerosols emitted by diseased animals and contaminated environments. Bactrian camels showed no symptoms due to the examined TBPs, meanwhile, clinical disease was seen in alpacas infected with A. phagocytophilum. Similar to dromedaries, accidental tick bites may be the cause of TBP DNA found in the blood of Bactrian camels.
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Affiliation(s)
- El-Sayed El-Alfy
- Parasitology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Ibrahim Abbas
- Parasitology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Somaya Saleh
- Parasitology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Rana Elseadawy
- Parasitology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Ragab M Fereig
- Department of Animal Medicine, Faculty of Veterinary Medicine, South Valley University, Qena City, Qena 83523, Egypt
| | - Mohamed Abdo Rizk
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan; Department of Internal Medicine, Infectious and Fish Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt.
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido, Japan
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Tarragona EL, Sebastian PS, Félix ML, Venzal JM. Novel Anaplasma (Rickettsiales: Anaplasmataceae) strain and Hepatozoon sp. cf. H. procyonis (Apicomplexa, Hepatozoidae) detected in Procyon cancrivorus (Carnivora, Procyonidae) from Argentina, with note of tick-host association. Vet Res Commun 2023; 47:2241-2245. [PMID: 37084109 DOI: 10.1007/s11259-023-10099-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: 12/20/2022] [Accepted: 03/05/2023] [Indexed: 04/22/2023]
Abstract
The aim of this work is to report the first detection of Procyon cancrivorus naturally co-infected with Hepatozoon sp. cf. H. procyonis and a novel Anaplasma strain from South America and potential vector tick species associated. On August 30, 2016, a specimen of P. cancrivorus was found dead on the route in Chaco province, Argentina. A tick and a blood sample by cardiac puncture was collected from the specimen. DNA was extracted from blood sample and the tick was morphological identity as a female of Amblyomma ovale. Molecular detection of Anaplasmataceae family and Hepatozoon spp. agents was performed targeting two different loci: 16 S rRNA and 18 S rRNA gene. The phylogenetic analyses show that the Anaplasma sp. strain detected in P. cancrivorus in this study is similar to Anaplasma sp. strains previously detected in Nasua nasua and A. ovale from Brazil. Furthermore, Hepatozoon sp. of the H. procyonis group was amplified that is phylogenetically closely related to H. procyonis reported in N. nasua from Brazil. Since it was not exactly the same as the latter, it was decided to name at Hepatozoon sp. cf. H. procyonis. It is possible that, this potential new species of Anaplasma would be specific for Procyonidae family and there are two species of Hepatozoon linked to this family in South America. These results added to other published studies suggest that A. ovale could be a potential vector both for the new potential strain of Anaplasma and for the Hepatazoon sp. of the H. procyonis group.
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Affiliation(s)
- Evelina L Tarragona
- Instituto de Investigación de la Cadena Láctea (IDICAL, INTA - CONICET, Instituto Nacional de Tecnología Agropecuaria, E.E.A. Rafaela, Rafaela, Santa Fe, Argentina. CC 22, CP 2300, Rafaela, Santa Fe, Argentina.
| | - Patrick S Sebastian
- Instituto de Investigación de la Cadena Láctea (IDICAL, INTA - CONICET, Instituto Nacional de Tecnología Agropecuaria, E.E.A. Rafaela, Rafaela, Santa Fe, Argentina. CC 22, CP 2300, Rafaela, Santa Fe, Argentina
| | - Maria L Félix
- Laboratorio de Vectores y Enfermedades Transmitidas, Departamento de Ciencias Biológicas, CENUR Litoral Norte - Salto, Universidad de la República, 1350, CP 50000, Rivera, Salto, Uruguay
| | - Jose M Venzal
- Laboratorio de Vectores y Enfermedades Transmitidas, Departamento de Ciencias Biológicas, CENUR Litoral Norte - Salto, Universidad de la República, 1350, CP 50000, Rivera, Salto, Uruguay
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Boulanger N, Insonere JLM, Van Blerk S, Barthel C, Serres C, Rais O, Roulet A, Servant F, Duron O, Lelouvier B. Cross-alteration of murine skin and tick microbiome concomitant with pathogen transmission after Ixodes ricinus bite. Microbiome 2023; 11:250. [PMID: 37952001 PMCID: PMC10638774 DOI: 10.1186/s40168-023-01696-7] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 10/11/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Ticks are major vectors of diseases affecting humans such as Lyme disease or domestic animals such as anaplasmosis. Cross-alteration of the vertebrate host skin microbiome and the tick microbiome may be essential during the process of tick feeding and for the mechanism of pathogen transmission. However, it has been poorly investigated. METHODS We used mice bitten by field-collected ticks (nymphs and adult ticks) in different experimental conditions to investigate, by 16S rRNA gene metabarcoding, the impact of blood feeding on both the mouse skin microbiome and the tick microbiome. We also investigated by PCR and 16S rRNA gene metabarcoding, the diversity of microorganisms transmitted to the host during the process of tick bite at the skin interface and the dissemination of the pathogen in host tissues (blood, heart, and spleen). RESULTS Most of the commensal bacteria present in the skin of control mice were replaced during the blood-feeding process by bacteria originating from the ticks. The microbiome of the ticks was also impacted by the blood feeding. Several pathogens including tick-borne pathogens (Borrelia/Borreliella, Anaplasma, Neoehrlichia, Rickettsia) and opportunistic bacteria (Williamsia) were transmitted to the skin microbiome and some of them disseminated to the blood or spleen of the mice. In the different experiments of this study, skin microbiome alteration and Borrelia/Borreliella transmission were different depending on the tick stages (nymphs or adult female ticks). CONCLUSIONS Host skin microbiome at the bite site was deeply impacted by the tick bite, to an extent which suggests a role in the tick feeding, in the pathogen transmission, and a potentially important impact on the skin physiopathology. The diversified taxonomic profiles of the tick microbiome were also modified by the blood feeding. Video Abstract.
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Affiliation(s)
- Nathalie Boulanger
- UR7290: Virulence bactérienne précoce: groupe Borrelia, FMTS, University of Strasbourg, Strasbourg, France.
| | | | | | - Cathy Barthel
- UR7290: Virulence bactérienne précoce: groupe Borrelia, FMTS, University of Strasbourg, Strasbourg, France
| | - Céline Serres
- Vaiomer, 516 rue Pierre et Marie Curie, 31670, Labège, France
| | - Olivier Rais
- Laboratoire d'écologie et d'épidémiologie parasitaires Institut de Biologie, University of Neuchatel, 2000, Neuchâtel, Switzerland
| | - Alain Roulet
- Vaiomer, 516 rue Pierre et Marie Curie, 31670, Labège, France
| | | | - Olivier Duron
- Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle (MIVEGEC), Centre National de la Recherche Scientifique (CNRS), Institut pour la Recherche et le Développement (IRD), Université de Montpellier (UM), 911 Avenue Agropolis, 34394, Montpellier, France
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Lipatova I, Černevičienė D, Griciuvienė L, Ražanskė I, Aleksandravičienė A, Kibiša A, Radzijevskaja J, Olech W, Anusz K, Didkowska A, Paulauskas A. Anaplasma phagocytophilum in European bison (Bison bonasus) and their ticks from Lithuania and Poland. Ticks Tick Borne Dis 2023; 14:102246. [PMID: 37639831 DOI: 10.1016/j.ttbdis.2023.102246] [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: 04/20/2023] [Revised: 07/17/2023] [Accepted: 08/14/2023] [Indexed: 08/31/2023]
Abstract
The increasing population of European bison (Bison bonasus) can contribute to the prevalence of zoonotic pathogens. The aim of the present study was to assess the presence of A. phagocytophilum infection in European bison tissues as well as ticks removed from European bison in Lithuania and Poland. A further objective of this work was to compare the detected A. phagocytophilum strains. A total of 85 tissue samples (spleen) of European bison and 560 ticks belonging to two species, Ixodes ricinus (n = 408) and Dermacentor reticulatus (n = 152) were tested. DNA of A. phagocytophilum was detected based on RT-PCR in 40% of the European bison samples, 8.8% of the I. ricinus and 5.9% of the D. reticulatus ticks. Analysis of the obtained partial 16S rRNA gene sequences of A. phagocytophilum revealed the presence of three variants with two polymorphic sites. Furthermore, phylogenetic analysis with partial msp4 gene sequences grouped A. phagocytophilum variants into three clusters. This study revealed that the groEL gene sequences of A. phagocytophilum from European bison and their ticks grouped into ecotype I and only one sequence from Lithuanian European bison belonged to ecotype II. The results of the present study indicated that European bison may play a role as a natural reservoir of A. phagocytophilum.
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Affiliation(s)
- Indrė Lipatova
- Vytautas Magnus University, K. Donelaičio 58, Kaunas LT-44248, Lithuania.
| | - Dalia Černevičienė
- Vytautas Magnus University, K. Donelaičio 58, Kaunas LT-44248, Lithuania
| | - Loreta Griciuvienė
- Vytautas Magnus University, K. Donelaičio 58, Kaunas LT-44248, Lithuania
| | - Irma Ražanskė
- Vytautas Magnus University, K. Donelaičio 58, Kaunas LT-44248, Lithuania
| | | | - Artūras Kibiša
- Vytautas Magnus University, K. Donelaičio 58, Kaunas LT-44248, Lithuania
| | - Jana Radzijevskaja
- Vytautas Magnus University, K. Donelaičio 58, Kaunas LT-44248, Lithuania
| | - Wanda Olech
- Department of Animal Genetics and Conservation, Warsaw University of Life Sciences (SGGW), Ciszewskiego 8, 02-786 Warsaw, Poland
| | - Krzysztof Anusz
- Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
| | - Anna Didkowska
- Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 166, 02-787 Warsaw, Poland
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21
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Vaschalde PJ, Flores FS, Facelli Fernández MC, Barolin J, Tauro LB, Monje LD. Anaplasmataceae presence in Amblyomma calcaratum associated with anteaters (Tamandua tetradactyla) in the rainforest ecoregion, Argentina. Ticks Tick Borne Dis 2023; 14:102222. [PMID: 37418999 DOI: 10.1016/j.ttbdis.2023.102222] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 10/06/2022] [Revised: 04/12/2023] [Accepted: 06/12/2023] [Indexed: 07/09/2023]
Abstract
Bacteria of the sister genera Ehrlichia and Anaplasma (Anaplasmataceae) are obligate intracellular Alphaproteobacteria that are transmitted mostly through arthropod vectors. These agents can infect different vertebrate cells, depending on the species involved, and can cause diseases in animals and humans. In this study, we evaluated the presence of Anaplasmataceae bacteria in Amblyomma calcaratum ticks collected from a road-killed Tamandua tetradactyla in the Rainforest ecoregion in Argentina. All samples were screened for Anaplasmataceae DNA using a real-time PCR assay targeting the 16S rRNA gene. Evidence of Anaplasmataceae DNA was detected in three out of thirty-nine Am. calcaratum ticks. Phylogenetic analysis of a portion of 16S rRNA gene positioned one sample (Ehrlichia sp. strain Ac124) with Ehrlichia sequences and the other two samples with Anaplasma sequences; Anaplasma sp. strain Ac145 close to Anaplasma odocoilei and Anaplasma sp. strain Ac152 in an ancestral position to most Anaplasma species. The groEL sequence obtained showed that Ehrlichia sp. strain Ac124 was phylogenetically related to Ehrlichia sp. strain Iberá reported infecting Amblyomma tigrinum from Iberá wetlands in Argentina. Phylogenetic analysis using the rpoB sequence positioned Anaplasma sp. strain Ac145 close to the canine pathogen Anaplasma platys, while Anaplasma sp. strain Ac152 was positioned close to the bovine pathogen Anaplasma marginale. In this study, three Anaplasmataceae agents were detected in adults of Am. calcaratum associated with a T. tetradactyla. These results suggest that the number of Anaplasmataceae species, as well as their distribution, is largely unknown.
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Affiliation(s)
- Paula J Vaschalde
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL) / Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Santa Fe, Argentina
| | - Fernando S Flores
- Centro de Investigaciones Entomológicas de Córdoba (CIEC), Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina; Instituto de Investigaciones Biológicas y Tecnológicas (IIByT - CONICET), Córdoba, Argentina
| | - M Celeste Facelli Fernández
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL) / Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Santa Fe, Argentina
| | - Johann Barolin
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL) / Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Santa Fe, Argentina
| | - Laura B Tauro
- Instituto de Biología Subtropical, Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional de Misiones, Puerto Iguazú, Argentina
| | - Lucas D Monje
- Laboratorio de Ecología de Enfermedades, Instituto de Ciencias Veterinarias del Litoral (ICIVET-Litoral), Universidad Nacional del Litoral (UNL) / Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Santa Fe, Argentina; Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Santa Fe, Argentina.
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22
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Kelly J, Koch O. Human granulocytic anaplasmosis in a Scottish traveller returning from Canada. Travel Med Infect Dis 2023; 56:102675. [PMID: 38036160 DOI: 10.1016/j.tmaid.2023.102675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/02/2023]
Affiliation(s)
- John Kelly
- Regional Infectious Diseases Unit, Western General Hospital, Edinburgh, UK.
| | - Oliver Koch
- Regional Infectious Diseases Unit, Western General Hospital, Edinburgh, UK
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23
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Park JM, Genera BM, Fahy D, Swallow KT, Nelson CM, Oliver JD, Shaw DK, Munderloh UG, Brayton KA. An Anaplasma phagocytophilum T4SS effector, AteA, is essential for tick infection. mBio 2023; 14:e0171123. [PMID: 37747883 PMCID: PMC10653876 DOI: 10.1128/mbio.01711-23] [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: 07/08/2023] [Accepted: 07/26/2023] [Indexed: 09/27/2023] Open
Abstract
IMPORTANCE Ticks are the number one vector of pathogens for livestock worldwide and for humans in the United States. The biology of tick transmission is an understudied area. Understanding this critical interaction could provide opportunities to affect the course of disease spread. In this study, we examined the zoonotic tick-borne agent Anaplasma phagocytophilum and identified a secreted protein, AteA, which is expressed in a tick-specific manner. These secreted proteins, termed effectors, are the first proteins to interact with the host environment. AteA is essential for survival in ticks and appears to interact with cortical actin. Most effector proteins are studied in the context of the mammalian host; however, understanding how this unique set of proteins affects tick transmission is critical to developing interventions.
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Affiliation(s)
- Jason M. Park
- Program in Vector-borne Disease, Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, USA
| | - Brittany M. Genera
- Program in Vector-borne Disease, Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, USA
| | - Deirdre Fahy
- Program in Vector-borne Disease, Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, USA
| | - Kyle T. Swallow
- Program in Vector-borne Disease, Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, USA
| | - Curtis M. Nelson
- Department of Entomology, College of Food, Agricultural, and Natural Resource Sciences, University of Minnesota, Saint Paul, Minnesota, USA
| | - Jonathan D. Oliver
- Division of Environmental Health Sciences, School of Public Health, University of Minnesota, Minneapolis, Minnesota, USA
| | - Dana K. Shaw
- Program in Vector-borne Disease, Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, USA
| | - Ulrike G. Munderloh
- Department of Entomology, College of Food, Agricultural, and Natural Resource Sciences, University of Minnesota, Saint Paul, Minnesota, USA
| | - Kelly A. Brayton
- Program in Vector-borne Disease, Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, USA
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Thorburn C, Ortiz DA, Gowda N, Dhawan S, Wey EA. The Brief Case: A febrile illness from a pesky passenger from Upstate New York. J Clin Microbiol 2023; 61:e0177622. [PMID: 37874161 PMCID: PMC10655626 DOI: 10.1128/jcm.01776-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023] Open
Affiliation(s)
- Christopher Thorburn
- Department of Pathology, Corewell Health William Beaumont University Hospital, Royal Oak, Michigan, USA
| | - Daniel A. Ortiz
- Department of Pathology, Corewell Health William Beaumont University Hospital, Royal Oak, Michigan, USA
| | - Neethi Gowda
- Department of Infectious Diseases, Corewell Health Beaumont Troy Hospital, Troy, Michigan, USA
| | - Shivanu Dhawan
- Department of Internal Medicine, Corewell Health Beaumont Troy Hospital, Troy, Michigan, USA
| | - Elizabeth A. Wey
- Department of Pathology, Corewell Health William Beaumont University Hospital, Royal Oak, Michigan, USA
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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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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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Lu M, Ji Y, Zhao H, Wang W, Tian J, Duan C, Qin X, Guo Y, Chen G, Lei F, Meng C, Li K. Circulation of multiple Rickettsiales bacteria in ticks from Sichuan province, Southwest China. Microb Pathog 2023; 183:106313. [PMID: 37625661 DOI: 10.1016/j.micpath.2023.106313] [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] [Revised: 02/17/2023] [Accepted: 08/19/2023] [Indexed: 08/27/2023]
Abstract
During 2021, 403 ticks including Haemaphysalis qinghaiensis, Ixodes ovatus, Ixodes acutitarsus, and Rhipicephalus microplus were collected from three sites (590, 310, and 576 km away from each other) in Sichuan Province, China. A total of nine Rickettsiales species were identified in them, including three Rickettsia spp., five Anaplasma spp., and one Ehrlichia sp. Anaplasma ovis and a novel Rickettsia sp. named "Candidatus Rickettsia liangshanensis" were characterized in I. ovatus ticks from Liangshan, with positive rates of 11.11% and 45.56%, respectively. Anaplasma capra (13.33%) and Anaplasma bovis (15.33%) were detected in H. qinghaiensis ticks from Maerkang. Phylogenetic analysis based on 16S rRNA, gltA, and groEL gene sequences indicated that the A. bovis strains were divided into two groups. Additionally, a novel Ehrlichia species named "Candidatus Ehrlichia maerkangensis" was identified. It is closely related to "Candidatus Ehrlichia zunyiensis" which was previously reported in Berylmys bowersi rats from Zunyi City, Southwest China. In R. microplus from Mianyang, "Candidatus Rickettsia jingxinensis" was detected with a high prevalence (92.99%). Notably, a variant of R. raoultii was identified in I. acutitarsus (33.33%). This may be the first Rickettsiales bacterium reported in I. acutitarsus. Our results reveal the remarkable biodiversity of Rickettsiales in this area. Some of these bacteria are human pathogens, indicating the potential exposure risk to local people.
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Affiliation(s)
- Miao Lu
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 102206, Changping District, Beijing City, China
| | - Yuqi Ji
- College of Life Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 271016, Tai'an City, Shandong Province, China
| | - Hongqing Zhao
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 102206, Changping District, Beijing City, China
| | - Wen Wang
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 102206, Changping District, Beijing City, China
| | - Junhua Tian
- Wuhan Center for Disease Control and Prevention, 430024, Wuhan City, Hubei Province, China
| | - Chengyu Duan
- College of Life Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 271016, Tai'an City, Shandong Province, China
| | - Xincheng Qin
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 102206, Changping District, Beijing City, China
| | - Yawen Guo
- College of Life Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 271016, Tai'an City, Shandong Province, China
| | - Gaosong Chen
- College of Life Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 271016, Tai'an City, Shandong Province, China
| | - Fuyu Lei
- College of Life Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 271016, Tai'an City, Shandong Province, China
| | - Chao Meng
- College of Life Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 271016, Tai'an City, Shandong Province, China.
| | - Kun Li
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 102206, Changping District, Beijing City, China.
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Araújo IM, de Azevedo Baêta B, Magalhães-Matos PC, Guterres A, da Silva CB, da Fonseca AH, Cordeiro MD. Molecular survey of potentially pathogenic microorganisms in ticks collected from coatis (Nasua nasua) in Iguaçu National Park, Atlantic Forest biome, southern Brazil. Parasitol Res 2023; 122:2367-2377. [PMID: 37587388 DOI: 10.1007/s00436-023-07937-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: 05/10/2023] [Accepted: 08/03/2023] [Indexed: 08/18/2023]
Abstract
Human contact with wild animals in synanthropic habits is often mediated by arthropod vectors such as ticks. This is an important method of spreading infectious agents that pose a risk to human health. Thus, this study aimed to molecularly detect Ehrlichia spp., Anaplasma spp., Borrelia spp., and protozoa of the order Piroplasmida in ticks collected from coatis of Iguaçu National Park (PNI), Paraná, Brazil. This study involved 553 ticks DNA, including Amblyomma spp. larvae, Haemaphysalis juxtakochi nymphs, Amblyomma brasiliense, Amblyomma coelebs, and adults of Amblyomma ovale. The DNA extracted from each sample was subjected to polymerase chain reaction (PCR) targeting the genes 23S rRNA for the Anaplasmataceae family, 16S rRNA for Anaplasma spp., dsb for Ehrlichia spp., flaB, 16S rRNA, hpt, and glpQ for Borrelia spp., and 18S rRNA for Piroplasmid protozoans. DNA from Anaplasma sp. was detected in ticks of the species A. coelebs (4/553); Borrelia sp. DNA was detected in A. coelebs (3/553), A. ovale (1/553), and Amblyomma larvae (1/553); and Theileria sp. was detected in A. coelebs (2/553). All tested samples were negative for Ehrlichia spp. Our study constitutes the newest report in South America of these microorganisms, which remain poorly studied.
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Affiliation(s)
- Izabela Mesquita Araújo
- Post-Graduate Program in Veterinary Sciences, Federal Rural University of Rio de Janeiro, UFRRJ, Br 465, km 7, Highway BR 465, Km 7,5 Seropédica, Rio de Janeiro, CEP: 23891-000, Brazil
| | - Bruna de Azevedo Baêta
- Post-Graduate Program in Veterinary Sciences, Federal Rural University of Rio de Janeiro, UFRRJ, Br 465, km 7, Highway BR 465, Km 7,5 Seropédica, Rio de Janeiro, CEP: 23891-000, Brazil
| | | | - Alexandro Guterres
- Laboratory of Hantaviruses and Rickettsiosis, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz-Avenida Brasil, Rio de Janeiro, 4365, Brazil
| | - Cláudia Bezerra da Silva
- Post-Graduate Program in Veterinary Sciences, Federal Rural University of Rio de Janeiro, UFRRJ, Br 465, km 7, Highway BR 465, Km 7,5 Seropédica, Rio de Janeiro, CEP: 23891-000, Brazil
| | - Adivaldo Henrique da Fonseca
- Post-Graduate Program in Veterinary Sciences, Federal Rural University of Rio de Janeiro, UFRRJ, Br 465, km 7, Highway BR 465, Km 7,5 Seropédica, Rio de Janeiro, CEP: 23891-000, Brazil
| | - Matheus Dias Cordeiro
- Post-Graduate Program in Practice in Sustainable Development, Federal Rural University of Rio de Janeiro, UFRRJ, Seropédica, Rio de Janeiro state, Brazil.
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Casa MDS, Giovambattista G, Fonteque GV, Miguel EL, Vogel CIG, Miletti LC, Takeshima SN, Fonteque JH. Identification of Anaplasma marginale, Babesia bovis and Babesia bigemina resistance alleles in Crioulo Lageano cattle using PCR-SBT and BoLA-DRB3 gene sequencing. Front Vet Sci 2023; 10:1256928. [PMID: 37781282 PMCID: PMC10540679 DOI: 10.3389/fvets.2023.1256928] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 09/01/2023] [Indexed: 10/03/2023] Open
Abstract
Introduction The BoLA-DRB3 gene in cattle is associated with tolerance to several infectious diseases, such as neosporosis, dermatophilosis, leukosis, and mastitis. Methods This study used PCR-SBT and BoLA-DRB3 gene sequencing to determine the association between the presence or absence of Anaplasma marginale, Babesia bovis, and Babesia bigemina infections in 208 Crioulo Lageano cattle and alleles present in the population. The chi-square test and odds ratio analysis were employed to establish the association. Results Of the BoLA-DRB3 gene alleles present in the population, two alleles were significantly associated with resistance to A. marginale infections: BoLA-DRB3001:01 (p < 0.001; OR = 0.224), which had a frequency of 7.93%, and BoLA-DRB3024:06 (p = 0.007; OR < 0.00001), which had a frequency of 0.72%. Regarding B. bovis infection, the BoLA-DRB3*011:01 allele (p = 0.002; OR = 0.271) had a frequency of 6% in the population and was associated with resistance to the infection. None of the alleles was associated with resistance to infection by B. bigemina. Discussion The Crioulo Lageano breed has alleles that may confer resistance against infection by A. marginale and B. bovis.
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Affiliation(s)
- Mariana da Silva Casa
- Graduate Program in Animal Science (PPGCA), State University of Santa Catarina (UDESC), Lages, Brazil
| | - Guillermo Giovambattista
- Facultad de Ciencias Veterinarias UNLP, IGEVET–Institute of Veterinary Genetics, La Plata, Argentina
| | - Graziela Vieira Fonteque
- Graduate Program in Animal Science (PPGCA), State University of Santa Catarina (UDESC), Lages, Brazil
| | - Ellen Lara Miguel
- Scientific Initiation Program, State University of Santa Catarina (UDESC), Lages, Brazil
| | - Carla Ivane Ganz Vogel
- Department of Animal Production and Food, State University of Santa Catarina (UDESC), Lages, Brazil
| | - Luiz Claudio Miletti
- Department of Animal Production and Food, State University of Santa Catarina (UDESC), Lages, Brazil
| | - Shin-Nosuke Takeshima
- Department of Food and Nutrition, Faculty of Human Life, Jumonji University, Niiza, Saitama, Japan
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30
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Wechtaisong W, Sri-in C, Thongmeesee K, Yurayart N, Akarapas C, Rittisornthanoo G, Bunphungbaramee N, Sipraya N, Bartholomay LC, Maikaew U, Kongmakee P, Saedan A, Tiawsirisup S. Diversity of Anaplasma and novel Bartonella species in Lipoptena fortisetosa collected from captive Eld's deer in Thailand. Front Vet Sci 2023; 10:1247552. [PMID: 37781280 PMCID: PMC10538998 DOI: 10.3389/fvets.2023.1247552] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 08/30/2023] [Indexed: 10/03/2023] Open
Abstract
Lipoptena insects are important ectoparasites of cervids and may affect humans that are incidentally bitten. The presence of zoonotic pathogen DNA, such as Anaplasma, and Bartonella, raises the importance of Lipoptena insects in veterinary and human medicine. Eld's deer (Rucervus eldii thamin), an endangered wild ruminant in Thailand, are bred and raised in the open zoo. The semi-wild zoo environment suggests ectoparasite infestation and potential risk for mechanical transmission of pathogens to visitors, zoo workers, or other animals. However, epidemiology knowledge of pathogens related to endangered wild ruminants in Thailand is limited. This study aims to determine the prevalence and diversity of Anaplasma and Bartonella in the L. fortisetosa collected from captive Eld's deer in Chon Buri, Thailand. Of the 91 Lipoptena DNA samples obtained, 42 (46.15%) and 25 (27.47%) were positive for Anaplasma and Bartonella by molecular detection, respectively. Further, 42 sequences of Anaplasma (4 nucleotide sequence types) showed 100% identity to those detected in other ruminants and blood-sucking ectoparasites. Twenty-five sequences of Bartonella (8 nucleotide sequence types) showed 97.35-99.11% identity to the novel Bartonella species from sika deer and keds in Japan. Phylogenetic trees revealed Anaplasma sequences were grouped with the clusters of A. bovis and other ruminant-related Anaplasma, while Bartonella sequences were clustered with the novel Bartonella species lineages C, D, and E, which originated from Japan. Interestingly, a new independent lineage of novel Bartonella species was found in obtained specimens. We report the first molecular detection of Anaplasma and Bartonella on L. fortisetosa, which could represent infectious status of captive Eld's deer in the zoo. Wild animals act as reservoirs for many pathogens, thus preventive measures in surrounding areas should be considered to prevent pathogen infection among animals or potential zoonotic infection among humans.
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Affiliation(s)
- Wittawat Wechtaisong
- Animal Vector-Borne Disease Research Unit, Veterinary Parasitology Unit, Department of Veterinary Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Chalida Sri-in
- Animal Vector-Borne Disease Research Unit, Veterinary Parasitology Unit, Department of Veterinary Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Kritsada Thongmeesee
- Animal Vector-Borne Disease Research Unit, Veterinary Parasitology Unit, Department of Veterinary Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Veterinary Pathobiology Graduate Program, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Nichapat Yurayart
- Animal Vector-Borne Disease Research Unit, Veterinary Parasitology Unit, Department of Veterinary Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Chatlada Akarapas
- Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | | | | | | | - Lyric C. Bartholomay
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, United States
| | - Umaporn Maikaew
- Khao Kheow Open Zoo, Zoological Park Organization of Thailand, Chon Buri, Thailand
| | - Piyaporn Kongmakee
- Khao Kheow Open Zoo, Zoological Park Organization of Thailand, Chon Buri, Thailand
| | - Arpussara Saedan
- Animal Conservation and Research Institute, Zoological Park Organization of Thailand, Bangkok, Thailand
| | - Sonthaya Tiawsirisup
- Animal Vector-Borne Disease Research Unit, Veterinary Parasitology Unit, Department of Veterinary Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
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Adjou Moumouni PF, Galon EM, Tumwebaze MA, Byamukama B, Ngasaman R, Tiwananthagorn S, Kamyingkird K, Inpankaew T, Xuan X. Tick-borne Pathogen Detection and Its Association with Alterations in Packed Cell Volume of Dairy Cattle in Thailand. Animals (Basel) 2023; 13:2844. [PMID: 37760244 PMCID: PMC10525745 DOI: 10.3390/ani13182844] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/02/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Tick-borne diseases (TBDs) massively impact bovine production. In endemic countries, animals are often subclinically infected, showing no signs of the illness. Anemia is a hallmark of TBDs, but there is inadequate information on its presence in infected Thai cattle. In the present study, 265 cattle from four provinces in Thailand were surveyed to identify tick-borne pathogens (TBPs) and to evaluate the changes in the packed cell volume (PCV) values associated with detection. Microscopy and polymerase chain reaction (PCR) were also compared for TBP detection. Babesia/Theileria/Hepatozoon was detected in 33.58% (89/265) of the cattle samples. Specifically, Babesia bovis (9/265), B. bigemina (12/265), Theileria orientalis (62/265), and Anaplasma marginale (50/265) were identified using species-specific assays. Significant decreases in the mean PCV levels were observed in cattle that were positive for at least one TBP (p < 0.001), Babesia/Theileria/Hepatozoon (p < 0.001), T. orientalis (p < 0.001), and A. marginale (p = 0.049). The results of PCR and microscopy for the detection of TBPs suggested slight and fair agreement between the two detection tools. The present findings contribute to a better understanding of TBDs in the field and shall facilitate the formulation of effective control for TBDs in Thailand.
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Affiliation(s)
- Paul Franck Adjou Moumouni
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (P.F.A.M.); (M.A.T.); (B.B.)
| | - Eloiza May Galon
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (P.F.A.M.); (M.A.T.); (B.B.)
- College of Veterinary Medicine and Biomedical Sciences, Cavite State University, Indang 4122, Philippines
| | - Maria Agnes Tumwebaze
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (P.F.A.M.); (M.A.T.); (B.B.)
| | - Benedicto Byamukama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (P.F.A.M.); (M.A.T.); (B.B.)
| | - Ruttayaporn Ngasaman
- Faculty of Veterinary Science, Prince of Songkla University, Hat Yai 90110, Thailand;
| | - Saruda Tiwananthagorn
- Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand;
| | - Ketsarin Kamyingkird
- Department of Parasitology, Faculty of Veterinary Medicine, Kasetsart University, Lad Yao, Chatuchak, Bangkok 10900, Thailand;
| | - Tawin Inpankaew
- Department of Parasitology, Faculty of Veterinary Medicine, Kasetsart University, Lad Yao, Chatuchak, Bangkok 10900, Thailand;
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (P.F.A.M.); (M.A.T.); (B.B.)
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Teja MMS, Mamatha GS, Lakkundi JN, Chandranaik BM, Murthy CMK, Gomes AR. Multiplex PCR for detection of Anaplasma marginale, A. bovis and A. platys in cattle. J Parasit Dis 2023; 47:659-663. [PMID: 37520189 PMCID: PMC10382415 DOI: 10.1007/s12639-023-01606-6] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/06/2023] [Indexed: 08/01/2023] Open
Abstract
Anaplasma genus has been classified under the family Anaplasmataceae of order Rickettsiales, which contains the spp. Anaplasma marginale, Anaplasma bovis, Anaplasma centrale, Anaplasma platys and Anaplasma phagocytophilum is accountable for a broad range of diseases in both man and animal medicine around the globe. A multiplex PCR procedure was designed to identify A. marginale, A. bovis, and A. platys simultaneously by employing species-specific primers targeting the msp4 (Anaplasma marginale), 16S rRNA (Anaplasma bovis), and groEL (Anaplasma platys) genes. The sensitivity of the assay was ascertained by tenfold dilutions of DNA obtained from cattle blood infected with A. marginale, A. bovis, and A. platys was used to evaluate the test sensitivity. A total of 31 Anaplasma genus positive samples were subjected to mPCR by using species specific primers for simultaneous detection of all the three species. All the 31 samples showed amplification of 753 bp fragment specific for A. marginale and 61.29% of the samples showed amplification of 547 bp fragment specific for A. bovis. The 470 bp DNA fragment specific for A. platys was found in 96.7% of samples. The lower limit of detection of the method for A. platys, A. marginale and A. bovis was found to be 4.4, 0.44 and 0.044 ng/µl, respectively.
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Affiliation(s)
| | - G. S. Mamatha
- Department of Veterinary Parasitology, Veterinary College, Bengaluru, KVAFSU (BIDAR), Bidar, India
| | - Jaya N. Lakkundi
- Department of Veterinary Parasitology, Veterinary College, Bengaluru, KVAFSU (BIDAR), Bidar, India
| | - B. M. Chandranaik
- Department of Biological Productions, IAH&VB, Bengaluru, KVAFSU (BIDAR), Bidar, India
| | - C. M. Krishna Murthy
- Department of Veterinary Parasitology, Veterinary College, Bengaluru, KVAFSU (BIDAR), Bidar, India
- Department of Veterinary Parasitology, Veterinary College, Bidar, KVAFSU (BIDAR), Bidar, India
| | - Amitha Reena Gomes
- Department of Biological Productions, IAH&VB, Bengaluru, KVAFSU (BIDAR), Bidar, India
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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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Minervino AHH, Marcili A, Moraes-Filho J, Lima JTR, Soares HS, Malheiros AF, Dias SR, Gennari SM, Labruna MB. Molecular Detection of Tick-Borne Pathogens in Dogs from Indigenous Communities, Amazon, Brazil. Vector Borne Zoonotic Dis 2023; 23:458-464. [PMID: 37566524 DOI: 10.1089/vbz.2023.0014] [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: 08/13/2023] Open
Abstract
Background: There are few reports of tick-borne pathogens infecting dogs living in indigenous communities of Brazil. Herein, we aimed to molecularly detect vector-borne pathogens in dogs from two indigenous communities in the Brazilian Amazon. Materials and Methods: We surveyed 327 dogs raised in Amazon region at 2 distinct indigenous ethnicities for the molecular detection of tick-borne pathogens (114 from Tapirapé and 213 from Karajá indigenous ethnicity). Whole blood samples were subjected to PCR and sequencing for Ehrlichia, Babesia, and Hepatozoon. Univariate and multivariate analyses were used to investigate the factors affecting the pathogen infection patterns in dogs. Results: Among the 327 blood samples, 40 were positive for Ehrlichia canis (12.2%), 2 for Anaplasma platys (0.61%), and 204 were positive for Hepatozoon canis (66.5%). Binary Logistic Regression showed association between E. canis infection and ethnicity (p = 0.010) and tick attachment (p = 0.041). Karajá dogs were 3.4 times (95% CI 1.3-8.5) more likely to be positive for E. canis than Tapirapé dogs. Dogs with ticks were 2.5 times more likely (95% CI 1.0-7.6) to be positive for E. canis than dogs without ticks. Conclusions: Our survey expands the knowledge regarding the presence of vector-borne pathogens in dogs from indigenous communities in the Amazon region.
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Affiliation(s)
| | - Arlei Marcili
- PhD Program in One Health, Santo Amaro University (UNISA), São Paulo, Brazil
| | - Jonas Moraes-Filho
- PhD Program in One Health, Santo Amaro University (UNISA), São Paulo, Brazil
| | - Julia T R Lima
- Faculty of Veterinary Medicine and Animal Science (FMVZ), University of São Paulo, São Paulo, Brazil
| | - Herbert S Soares
- PhD Program in One Health, Santo Amaro University (UNISA), São Paulo, Brazil
- Faculty of Veterinary Medicine and Animal Science (FMVZ), University of São Paulo, São Paulo, Brazil
| | - Antonio F Malheiros
- Faculty of Agricultural and Biological Sciences (FACAB), State University of Mato Grosso, Cáceres, Brazil
| | - Salatiel Ribeiro Dias
- Laboratory of Animal Health (LARSANA), Federal University of Western Pará (UFOPA), Santarém, Brazil
| | - Solange M Gennari
- PhD Program in One Health, Santo Amaro University (UNISA), São Paulo, Brazil
- Faculty of Veterinary Medicine and Animal Science (FMVZ), University of São Paulo, São Paulo, Brazil
| | - Marcelo B Labruna
- Faculty of Veterinary Medicine and Animal Science (FMVZ), University of São Paulo, São Paulo, Brazil
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Silva-Ramos CR, Faccini-Martínez ÁA, Serna-Rivera CC, Mattar S, Hidalgo M. Etiologies of Zoonotic Tropical Febrile Illnesses That Are Not Part of the Notifiable Diseases in Colombia. Microorganisms 2023; 11:2154. [PMID: 37763998 PMCID: PMC10535066 DOI: 10.3390/microorganisms11092154] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/15/2023] [Accepted: 06/15/2023] [Indexed: 09/29/2023] Open
Abstract
In Colombia, tropical febrile illnesses represent one of the most important causes of clinical attention. Febrile illnesses in the tropics are mainly zoonotic and have a broad etiology. The Colombian surveillance system monitors some notifiable diseases. However, several etiologies are not monitored by this system. In the present review, we describe eleven different etiologies of zoonotic tropical febrile illnesses that are not monitored by the Colombian surveillance system but have scientific, historical, and contemporary data that confirm or suggest their presence in different regions of the country: Anaplasma, Arenavirus, Bartonella, relapsing fever group Borrelia, Coxiella burnetii, Ehrlichia, Hantavirus, Mayaro virus, Orientia, Oropouche virus, and Rickettsia. These could generate a risk for the local population, travelers, and immigrants, due to which they should be included in the mandatory notification system, considering their importance for Colombian public health.
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Affiliation(s)
- Carlos Ramiro Silva-Ramos
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia;
| | - Álvaro A. Faccini-Martínez
- Servicio de Infectología, Hospital Militar Central, Bogotá 110110, Colombia;
- Servicios y Asesorías en Infectología—SAI, Bogotá 110110, Colombia
| | - Cristian C. Serna-Rivera
- Grupo de Investigación en Ciencias Veterinarias (CENTAURO), Línea de Investigación Zoonosis Emergentes y Re-Emergentes, Facultad de Ciencias Agrarias, Universidad de Antioquia, Medellín 050034, Colombia;
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas (GEBIOME), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Manizales 170004, Colombia
| | - Salim Mattar
- Instituto de Investigaciones Biológicas del Trópico, Universidad de Córdoba, Montería 230001, Colombia;
| | - Marylin Hidalgo
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia;
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Clemente TM, Angara RK, Gilk SD. Establishing the intracellular niche of obligate intracellular vacuolar pathogens. Front Cell Infect Microbiol 2023; 13:1206037. [PMID: 37645379 PMCID: PMC10461009 DOI: 10.3389/fcimb.2023.1206037] [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: 04/14/2023] [Accepted: 07/21/2023] [Indexed: 08/31/2023] Open
Abstract
Obligate intracellular pathogens occupy one of two niches - free in the host cell cytoplasm or confined in a membrane-bound vacuole. Pathogens occupying membrane-bound vacuoles are sequestered from the innate immune system and have an extra layer of protection from antimicrobial drugs. However, this lifestyle presents several challenges. First, the bacteria must obtain membrane or membrane components to support vacuole expansion and provide space for the increasing bacteria numbers during the log phase of replication. Second, the vacuole microenvironment must be suitable for the unique metabolic needs of the pathogen. Third, as most obligate intracellular bacterial pathogens have undergone genomic reduction and are not capable of full metabolic independence, the bacteria must have mechanisms to obtain essential nutrients and resources from the host cell. Finally, because they are separated from the host cell by the vacuole membrane, the bacteria must possess mechanisms to manipulate the host cell, typically through a specialized secretion system which crosses the vacuole membrane. While there are common themes, each bacterial pathogen utilizes unique approach to establishing and maintaining their intracellular niches. In this review, we focus on the vacuole-bound intracellular niches of Anaplasma phagocytophilum, Ehrlichia chaffeensis, Chlamydia trachomatis, and Coxiella burnetii.
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Affiliation(s)
| | | | - Stacey D. Gilk
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, United States
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Makgabo SM, Brayton KA, Oosthuizen MC, Collins NE. Unravelling the diversity of Anaplasma species circulating in selected African wildlife hosts by targeted 16S microbiome analysis. Curr Res Microb Sci 2023; 5:100198. [PMID: 37675244 PMCID: PMC10477809 DOI: 10.1016/j.crmicr.2023.100198] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023] Open
Abstract
Organisms in the genus Anaplasma are obligate intracellular alphaproteobacteria. Bovine anaplasmosis, predominantly caused by Anaplasma marginale, is the most prevalent tick-borne disease (TBD) of cattle worldwide. Other Anaplasma species are known to cause disease; these include A. ovis, A. platys in dogs, A. capra in goats and humans, and A. phagocytophilum in humans. The rapid advancement of next-generation sequencing technologies has led to the discovery of many novel sequences ascribed to the genus Anaplasma, with over 20 putative new species being proposed since the last formal organization of the genus. Most 16S rRNA gene surveys for Anaplasma were conducted on cattle and to a lesser extent on rodents, dogs, and ticks. Little is known about the occurrence, diversity, or impact of Anaplasma species circulating in wildlife species. Therefore, we conducted a 16S rRNA gene survey with the goal of identifying Anaplasma species in a variety of wildlife species in the Kruger National Park and neighbouring game reserves, using an unbiased 16S rRNA gene microbiome approach. An Anaplasma/Ehrlichia-group specific quantitative real-time PCR (qPCR) assay revealed the presence of Anaplasma and/or Ehrlichia species in 70.0% (21/30) of African buffalo, 86.7% (26/30) of impala, 36.7% (11/30) of greater kudu, 3.2% (1/31) of African wild dog, 40.6% (13/32) of Burchell's zebra, 43.3% (13/30) of warthog, 22.6% (7/31) of spotted hyena, 40.0% (12/30) of leopard, 17.6% (6/34) of lion, 16.7% (5/30) of African elephant and 8.6% (3/35) of white rhinoceros samples. Microbiome sequencing data from the qPCR positive samples revealed four 16S rRNA sequences identical to previously published Anaplasma sequences, as well as nine novel Anaplasma 16S genotypes. Our results reveal a greater diversity of putative Anaplasma species circulating in wildlife than currently classified within the genus. Our findings highlight a potential expansion of the Anaplasma host range and the need for more genetic information from other important genes or genome sequencing of putative novel species for correct classification and further assessment of their occurrence in wildlife, livestock and companion animals.
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Affiliation(s)
- S. Marcus Makgabo
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, 0110, South Africa
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa (UNISA), Florida Campus, Roodepoort, 1709, South Africa
| | - Kelly A. Brayton
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, 0110, South Africa
- Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, WA, USA
| | - Marinda C. Oosthuizen
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, 0110, South Africa
- Centre for Veterinary Wildlife Research, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, 0110, South Africa
| | - Nicola E. Collins
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, 0110, South Africa
- Centre for Veterinary Wildlife Research, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, 0110, South Africa
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Fisher DJ, Beare PA. Recent advances in genetic systems in obligate intracellular human-pathogenic bacteria. Front Cell Infect Microbiol 2023; 13:1202245. [PMID: 37404720 PMCID: PMC10315504 DOI: 10.3389/fcimb.2023.1202245] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 05/22/2023] [Indexed: 07/06/2023] Open
Abstract
The ability to genetically manipulate a pathogen is fundamental to discovering factors governing host-pathogen interactions at the molecular level and is critical for devising treatment and prevention strategies. While the genetic "toolbox" for many important bacterial pathogens is extensive, approaches for modifying obligate intracellular bacterial pathogens were classically limited due in part to the uniqueness of their obligatory lifestyles. Many researchers have confronted these challenges over the past two and a half decades leading to the development of multiple approaches to construct plasmid-bearing recombinant strains and chromosomal gene inactivation and deletion mutants, along with gene-silencing methods enabling the study of essential genes. This review will highlight seminal genetic achievements and recent developments (past 5 years) for Anaplasma spp., Rickettsia spp., Chlamydia spp., and Coxiella burnetii including progress being made for the still intractable Orientia tsutsugamushi. Alongside commentary of the strengths and weaknesses of the various approaches, future research directions will be discussed to include methods for C. burnetii that should have utility in the other obligate intracellular bacteria. Collectively, the future appears bright for unraveling the molecular pathogenic mechanisms of these significant pathogens.
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Affiliation(s)
- Derek J. Fisher
- School of Biological Sciences, Southern Illinois University, Carbondale, IL, United States
| | - Paul A. Beare
- Rocky Mountain Laboratory, National Institute of Health, Hamilton, MT, United States
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Seo JY, Kim YJ, Kim SY, Lee HI. Molecular Detection of Anaplasma, Ehrlichia and Rickettsia Pathogens in Ticks Collected from Humans in the Republic of Korea, 2021. Pathogens 2023; 12:802. [PMID: 37375492 DOI: 10.3390/pathogens12060802] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/02/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
Tick-borne pathogens (TBPs), transmitted by the bites of ticks, are of great medical and veterinary importance. They include bacteria, viruses, and protozoan parasites. To provide fundamental data on the risk of tick contact and public health strategies, we aimed to perform a molecular investigation on four tick-borne bacterial pathogens in ticks collected from humans across the Republic of Korea (ROK) in 2021. In total, 117 ticks were collected, including Haemaphysalis longicornis (56.4%), Amblyomma testudinarium (26.5%), Ixodes nipponensis (8.5%), H. flava (5.1%), and I. persulcatus (0.9%). Among the ticks, 20.5% (24/117) contained tick-borne bacterial pathogens, with infection rates of 17.9% for Rickettsia (Candidatus Rickettsia jingxinensis, R. tamurae, R. monacensis, and Candidatus Rickettsia tarasevichiae), 2.5% for Anaplasma (A. phagocytophilum, A. capra, and A. bovis), and 0.9% for Ehrlichia (Ehrlichia sp.). Additionally, the co-detection rate for R. monacensis and A. phagocytophilum was 0.9%. To our knowledge, this is the first report of A. capra and A. bovis detection in ticks collected from humans in the ROK. This study contributes to the understanding of the potential risk of tick contact and provides fundamental data for establishing a public health strategy for tick-borne disease management in the ROK.
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Affiliation(s)
- Ji-Ye Seo
- Division of Vectors and Parasitic Diseases, Korea Disease Control and Prevention Agency, 187 Osongsaengmyeong 2-ro, Osong-eup, Heungdeok-gu, Cheongju 28159, Republic of Korea
| | - Yu-Jung Kim
- Division of Vectors and Parasitic Diseases, Korea Disease Control and Prevention Agency, 187 Osongsaengmyeong 2-ro, Osong-eup, Heungdeok-gu, Cheongju 28159, Republic of Korea
| | - Seong-Yoon Kim
- Division of Vectors and Parasitic Diseases, Korea Disease Control and Prevention Agency, 187 Osongsaengmyeong 2-ro, Osong-eup, Heungdeok-gu, Cheongju 28159, Republic of Korea
| | - Hee-Il Lee
- Division of Vectors and Parasitic Diseases, Korea Disease Control and Prevention Agency, 187 Osongsaengmyeong 2-ro, Osong-eup, Heungdeok-gu, Cheongju 28159, Republic of Korea
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40
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Silva-Ramos CR, Mejorano-Fonseca JA, Rodríguez-Morales AJ, Hidalgo M, Faccini-Martínez ÁA. Zoonotic febrile illnesses misdiagnosed as COVID-19: a review of reported clinical cases. Infez Med 2023; 31:151-162. [PMID: 37283644 PMCID: PMC10241406 DOI: 10.53854/liim-3102-3] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/12/2023] [Indexed: 06/08/2023]
Abstract
COVID-19 is a zoonotic coronavirus disease caused by SARS-CoV-2. Its fast spreading by aerosol transmission has made it a highly contagious disease, causing the most recent 2020 pandemic. Although it mainly affects the respiratory system, atypical forms of the disease have been described, including developing an undifferentiated febrile illness without respiratory symptoms, that can represent a diagnostic challenge, mainly in tropical areas where several zoonotic febrile diseases are circulating. Thus, despite the broad clinical spectrum of COVID-19, in the tropics, other zoonotic etiologies should always be considered as differential diagnoses. According to our case reports review, eight different zoonotic febrile diseases misdiagnosed as COVID-19 have been reported in the available scientific literature of four databases. These were only suspected due to the epidemiological history. Thus, making a complete and detailed clinical history of a febrile patient in the tropics is essential to suspect the etiology and request the necessary confirmatory tests. Therefore, COVID-19 must be included as a differential diagnosis of undifferentiated febrile illness in the tropics, but other zoonotic infectious diseases must not be ruled out.
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Affiliation(s)
- Carlos Ramiro Silva-Ramos
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá,
Colombia
| | - Julián A. Mejorano-Fonseca
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá,
Colombia
| | - Alfonso J. Rodríguez-Morales
- Master of Clinical Epidemiology and Biostatistics, Universidad Científica del Sur, Lima,
Peru
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut,
Lebanon
| | - Marylin Hidalgo
- Grupo de Enfermedades Infecciosas, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá,
Colombia
| | - Álvaro A. Faccini-Martínez
- Servicio de Infectología, Hospital Militar Central, Bogotá,
Colombia
- Servicios y Asesorías en Infectología - SAI, Bogotá,
Colombia
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Abreu-Yanes E, Abreu-Acosta N, Foronda P. Study of tick-borne zoonotic pathogens in questing and feeding ticks in Tenerife, Canary Islands, Spain. J Vector Ecol 2023; 48:59-62. [PMID: 37255360 DOI: 10.52707/1081-1710-48.1.59] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 03/18/2023] [Indexed: 06/01/2023]
Abstract
Ticks are vectors of many zoonotic pathogens of clinical relevance, including Anaplasma and Rickettsia species. Since few data about these tick-borne pathogens are available in the Canary Islands, the aim of the present study was to screen their presence in questing and feeding ticks on the island of Tenerife. A total of 81 ticks was removed from six hedgehogs, and eight ticks were collected from the grass. PCR assays for tick species identification based on the LSU rRNA gene, and detection of Anaplasma spp. and Rickettsia spp. by targeting the 16s rRNA and gltA gene, respectively, were carried out. Rhipicephalus sanguineus and Haemaphysalis formosensis tick species were identified, with Rickettsia hoogstraalii detected in H. formosensis. In addition, Rickettsia helvetica and one unidentified Rickettsia species were detected. The overall prevalence of Rickettsia in ticks was 12.2%, and none harbored Anaplasma sp. This work constitutes the first identification in the Canary Islands of pathogenic R. helvetica and the species of unknown pathogenicity R. hoogstraalii in questing ticks. The clinical relevance of the pathogens identified highlights the need for studies with increased sample size and locations, including potential hosts, as well as warning the population about the relevance of ticks as vectors.
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Affiliation(s)
- Estefanía Abreu-Yanes
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Avda. Astrofísico F. Sánchez, s/n, 38203 La Laguna, Canary Islands, Spain
- Nertalab S.L. José Rodríguez Mouré, 38008 Santa Cruz de Tenerife, Canary Islands, Spain
| | - Néstor Abreu-Acosta
- Nertalab S.L. José Rodríguez Mouré, 38008 Santa Cruz de Tenerife, Canary Islands, Spain
| | - Pilar Foronda
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna. Avda. Astrofísico F. Sánchez, s/n, 38203 La Laguna, Canary Islands, Spain,
- Departament Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Universidad de La Laguna. Avda. Astrofísico F. Sánchez, s/n, 38203 La Laguna, Canary Islands, Spain
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Wilson C, Gasmi S, Bourgeois AC, Badcock J, Carr J, Chahil N, Coatsworth H, Dibernardo A, Goundar P, Leighton P, Lee MK, Morshed M, Ripoche M, Savage J. Surveillance for Ixodes scapularis and Ixodes pacificus ticks and their associated pathogens in Canada, 2020. Can Commun Dis Rep 2023; 49:288-298. [PMID: 38444700 PMCID: PMC10914093 DOI: 10.14745/ccdr.v49i06a06] [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] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Background Ixodes scapularis and Ixodes pacificus ticks are the principal vectors of the agent of Lyme disease and several other tick-borne diseases in Canada. Tick surveillance data can be used to identify local tick-borne disease risk areas and direct public health interventions. The objective of this article is to describe the seasonal and spatial characteristics of the main Lyme disease vectors in Canada, and the tick-borne pathogens they carry, using passive and active surveillance data from 2020. Methods Passive and active surveillance data were compiled from the National Microbiology Laboratory Branch (Public Health Agency of Canada), provincial and local public health authorities, and eTick (an online, image-based platform). Seasonal and spatial analyses of ticks and their associated pathogens are presented, including infection prevalence estimates. Results In passive surveillance, I. scapularis (n=7,534) were submitted from all provinces except Manitoba and British Columbia, while I. pacificus (n=718) were submitted only from British Columbia. No ticks were submitted from the Territories. The seasonal distribution of I. scapularis submissions was bimodal, but unimodal for I. pacificus. Four tick-borne pathogens were identified in I. scapularis (Borrelia burgdorferi, Anaplasma phagocytophilum, Babesia microti and Borrelia miyamotoi) and one in I. pacificus (B. miyamotoi). In active surveillance, I. scapularis (n=688) were collected in Ontario, Québec and New Brunswick. Five tick-borne pathogens were identified: B. burgdorferi, A. phagocytophilum, B. microti, B. miyamotoi and Powassan virus. Conclusion This article provides a snapshot of the distribution of I. scapularis and I. pacificus and their associated human pathogens in Canada in 2020, which can help assess the risk of exposure to tick-borne pathogens in different provinces.
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Affiliation(s)
- Christy Wilson
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Ottawa, ON
| | - Salima Gasmi
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Saint-Hyacinthe, QC
| | - Annie-Claude Bourgeois
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Ottawa, ON
| | - Jacqueline Badcock
- Public Health New Brunswick, New Brunswick Department of Health, Fredericton, NB
| | - Justin Carr
- New Brunswick Provincial Veterinary Laboratory, Department of Agriculture, Aquaculture and Fisheries, Fredericton, NB
| | - Navdeep Chahil
- BCCDC Public Health Laboratory, BC Centre for Disease Control, Vancouver, BC
| | - Heather Coatsworth
- National Microbiology Laboratory Branch, Public Health Agency of Canada, Winnipeg, MB
| | - Antonia Dibernardo
- National Microbiology Laboratory Branch, Public Health Agency of Canada, Winnipeg, MB
| | | | - Patrick Leighton
- Epidemiology of Zoonoses and Public Health Research Group (GREZOSP), Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC
| | - Min-Kuang Lee
- BCCDC Public Health Laboratory, BC Centre for Disease Control, Vancouver, BC
| | - Muhammad Morshed
- BCCDC Public Health Laboratory, BC Centre for Disease Control, Vancouver, BC
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC
| | - Marion Ripoche
- Institut national de santé publique du Québec, Montréal, QC
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Teng Z, Shi Y, Zhao N, Zhang X, Jin X, He J, Xu B, Qin T. Molecular Detection of Tick-Borne Bacterial and Protozoan Pathogens in Haemaphysalis longicornis (Acari: Ixodidae) Ticks from Free-Ranging Domestic Sheep in Hebei Province, China. Pathogens 2023; 12:763. [PMID: 37375453 DOI: 10.3390/pathogens12060763] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/22/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Ticks and tick-borne pathogens significantly threaten human and animal health worldwide. Haemaphysalis longicornis is one of the dominant tick species in East Asia, including China. In the present study, 646 Ha. longicornis ticks were collected from free-ranging domestic sheep in the southern region of Hebei Province, China. Tick-borne pathogens of zoonotic and veterinary importance (i.e., Rickettsia, Anaplasma, Ehrlichia, Borrelia, Theileria, and Hepatozoon spp.) were detected in the ticks using PCR assays and sequence analysis. The prevalence rates of these pathogens were 5.1% (33/646), 15.9% (103/646), 1.2% (8/646), 17.0% (110/646), 0.15% (1/646), and 0.15% (1/646), respectively. For Rickettsia spp., R. japonica (n = 13), R. raoultii (n = 6), and Candidatus R. jingxinensis (n = 14) were detected for the first time in the province, while several Anaplasma spp. were also detected in the ticks, including A. bovis (n = 52), A. ovis (n = 31), A. phagocytophilum (n = 10), and A. capra (n = 10). A putative novel Ehrlichia spp. was also found with a prevalence of 1.2% in the area. The present study provides important data for effectively controlling ticks and tick-borne diseases in the Hebei Province region of China.
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Affiliation(s)
- Zhongqiu Teng
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Yan Shi
- Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang 050021, China
| | - Na Zhao
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Xue Zhang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Xiaojing Jin
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Jia He
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Baohong Xu
- Shijiazhuang Center for Disease Control and Prevention, Shijiazhuang 050021, China
| | - Tian Qin
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
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44
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Fountain-Jones NM, Khoo BS, Rau A, Berman JD, Burton EN, Oliver JD. Positive associations matter: Microbial relationships drive tick microbiome composition. Mol Ecol 2023. [PMID: 37173817 DOI: 10.1111/mec.16985] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 04/13/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023]
Abstract
Untangling how factors such as environment, host, associations among bacterial species and dispersal predict microbial composition is a fundamental challenge. In this study, we use complementary machine-learning approaches to quantify the relative role of these factors in shaping microbiome variation of the blacklegged tick Ixodes scapularis. I. scapularis is the most important vector for Borrelia burgdorferi (the causative agent for Lyme disease) in the U.S. as well as a range of other important zoonotic pathogens. Yet the relative role of the interactions between pathogens and symbionts compared to other ecological forces is unknown. We found that positive associations between microbes where the occurrence of one microbe increases the probability of observing another, including between both pathogens and symbionts, was by far the most important factor shaping the tick microbiome. Microclimate and host factors played an important role for a subset of the tick microbiome including Borrelia (Borreliella) and Ralstonia, but for the majority of microbes, environmental and host variables were poor predictors at a regional scale. This study provides new hypotheses on how pathogens and symbionts might interact within tick species, as well as valuable predictions for how some taxa may respond to changing climate.
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Affiliation(s)
| | - Benedict S Khoo
- School of Public Health, Division of Environmental Health Sciences, University of Minnesota, Minneapolis, Minnesota, USA
| | - Austin Rau
- School of Public Health, Division of Environmental Health Sciences, University of Minnesota, Minneapolis, Minnesota, USA
| | - Jesse D Berman
- School of Public Health, Division of Environmental Health Sciences, University of Minnesota, Minneapolis, Minnesota, USA
| | - Erin N Burton
- College of Veterinary Medicine, Veterinary and Biomedical Sciences, University of Minnesota, St. Paul, Minnesota, USA
| | - Jonathan D Oliver
- School of Public Health, Division of Environmental Health Sciences, University of Minnesota, Minneapolis, Minnesota, USA
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45
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Lin Y, Zhou S, Upadhyay A, Zhao J, Liao C, Guan Q, Wang J, Han Q. Molecular Detection and Phylogenetic Characterization of Anaplasma spp. in Dogs from Hainan Province/Island, China. Vet Sci 2023; 10:vetsci10050339. [PMID: 37235422 DOI: 10.3390/vetsci10050339] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/06/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Anaplasmosis is a serious infection which is transmitted by ticks and mosquitos. There are very few reports and studies that have been carried out to understand the prevalence, distribution, and epidemiological profile of Anaplasma spp. infection in dogs in Hainan province/island. In the present study, we have tried to understand the prevalence, distribution, and occurrence of Anaplasma spp. infections in dogs (n = 1051) in Hainan Island/Province to establish a surveillance-based study. The confirmed positive samples by Polymerase chain reaction (PCR) were subjected to capillary sequencing for further strain-specific confirmation, followed by the construction of phylogenetic trees to determine their genetic relations. Various statistical tools were used to analyze related risk factors. There were three species of Anaplasma detected from the Hainan region; namely, A. phagocytophilum, A. bovis, and A. platys. The overall prevalence of Anaplasma is 9.7% (102/1051). A. phagocytopihum was prevalent in 1.0% of dogs (11/1051), A. bovis was found in 2.7% of dogs (28/1051), and A. platys in 6.0% of dogs (63/1051). Our surveillance-based study conducted to understand the occurrence and distribution pattern of Anaplasma spp. in Hainan will help in designing effective control measures along with management strategies so as to treat and control the infection in the area.
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Affiliation(s)
- Yang Lin
- One Health Institute, Hainan University, Haikou 570228, China
- College of Animal Science and Technology, Hainan University, Haikou 570228, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou 570228, China
| | - Sa Zhou
- One Health Institute, Hainan University, Haikou 570228, China
- College of Animal Science and Technology, Hainan University, Haikou 570228, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou 570228, China
| | - Archana Upadhyay
- One Health Institute, Hainan University, Haikou 570228, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou 570228, China
| | - Jianguo Zhao
- One Health Institute, Hainan University, Haikou 570228, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou 570228, China
| | - Chenghong Liao
- One Health Institute, Hainan University, Haikou 570228, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou 570228, China
| | - Qingfeng Guan
- One Health Institute, Hainan University, Haikou 570228, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou 570228, China
| | - Jinhua Wang
- One Health Institute, Hainan University, Haikou 570228, China
- College of Animal Science and Technology, Hainan University, Haikou 570228, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou 570228, China
| | - Qian Han
- One Health Institute, Hainan University, Haikou 570228, China
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life Sciences, Hainan University, Haikou 570228, China
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46
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Richardson SS, Mainville CA, Arguello-Marin A, Whalley D, Burton W, Breitschwerdt EB, Qurollo BA. A second-generation, point-of-care immunoassay provided improved detection of Anaplasma and Ehrlichia antibodies in PCR-positive dogs naturally infected with Anaplasma or Ehrlichia species. J Vet Diagn Invest 2023:10406387231172723. [PMID: 37161312 DOI: 10.1177/10406387231172723] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023] Open
Abstract
A validated second-generation SNAP 4Dx Plus (Idexx) incorporates new peptides for improved detection of antibodies against Anaplasma and Ehrlichia tick-borne pathogens in dogs. We compared the first- and second-generation SNAP 4Dx Plus using dogs naturally infected with Anaplasma or Ehrlichia species, or dogs seroreactive by an E. canis indirect fluorescent antibody test (IFAT). The second-generation immunoassay was more sensitive than the first-generation for dogs infected with A. phagocytophilum (51.1% and 29.2%, respectively), A. platys (63.6% and 35.3%, respectively), E. canis (96.2% and 88.3%, respectively), or E. ewingii (73.7% and 70.8%, respectively), and for dogs seroreactive by E. canis IFAT (87.3% and 83.9%, respectively). The second-generation immunoassay detected significantly more Anaplasma- or Ehrlichia-infected dogs that were Anaplasma (p < 0.001) or Ehrlichia (p = 0.031) seroreactive, respectively, than did the first-generation test. When Ehrlichia seroreactivity by E. canis IFAT and both immunoassays was compared, significantly more E. canis-infected dogs were seroreactive by E. canis IFAT than the first-generation (p = 0.006) but not the second-generation (p = 0.125) immunoassay. Significantly more E. ewingii-infected dogs were seroreactive by the first- (p = 0.011) and second-generation (p = 0.049) immunoassays than the E. canis IFAT. Medical records available for 7 dogs that were Anaplasma seroreactive by the second-generation but not the first-generation immunoassay revealed case management decisions that might have been different with an immediate anaplasmosis diagnosis, including earlier doxycycline therapy and less hospitalization. The second-generation SNAP 4Dx Plus test offered improved serologic detection of Anaplasma and Ehrlichia in naturally infected dogs.
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Affiliation(s)
- Safari S Richardson
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
| | | | | | | | | | - Edward B Breitschwerdt
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
| | - Barbara A Qurollo
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
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47
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Kim KT, Seo MG. Molecular analysis of Rickettsia spp. and related tick-borne pathogens detected in dogs in Korea. Acta Trop 2023; 243:106934. [PMID: 37142151 DOI: 10.1016/j.actatropica.2023.106934] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/22/2023] [Accepted: 04/26/2023] [Indexed: 05/06/2023]
Abstract
Ticks are widespread in nature and serve as primary vectors for several tick-borne pathogens (TBPs). Ticks and TBPs cause considerable harm to humans and animals and have emerged as a major global public health concern. Domestic dogs are the major reservoirs of zoonotic agents owing to their constant interaction with humans. This study aimed to assess the prevalence and risk factors of canine TBPs, such as Rickettsiales, Coxiella burnetii, hepatozoa, and Borrelia spp., using molecular analyses. A total of 906 dogs were examined and 4 TBPs were identified: Anaplasma phagocytophilum (5; 0.6%), Hepatozoon canis (9; 1.0%), Candidatus Rickettsia longicornii (2; 0.2%), and Rickettsia tamurae (1; 0.1%). Ehrlichia spp., C. burnetii, and Borrelia spp. were not detected. To the best of our knowledge, this is the first study to perform a phylogenetic analysis of Candidatus R. longicornii and R. tamurae in dogs. These findings can help determine the potential public health risks by enhancing our understanding of the geographical and vector distributions of TBPs in Korea.
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Affiliation(s)
- Kyoo-Tae Kim
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, South Korea
| | - Min-Goo Seo
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, South Korea.
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48
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Cao XQ, Gu XL, Zhang L, Xu J, Han HJ, Yu XJ. Molecular detection of Rickettsia, Anaplasma, and Bartonella in ticks from free-ranging sheep in Gansu Province, China. Ticks Tick Borne Dis 2023; 14:102137. [PMID: 36738629 DOI: 10.1016/j.ttbdis.2023.102137] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 01/18/2023] [Accepted: 01/22/2023] [Indexed: 02/05/2023]
Abstract
Ticks pose a serious threat to public health as carriers and often vectors of zoonotic pathogens. There are few systematic studies on the prevalence and genetic diversity of tick-borne bacterial pathogens in Western China. In this study, 465 ticks were collected from free-ranging sheep in Gansu Province in China. Ticks were divided into 113 pools and tick DNA was extracted from these ticks. PCR assays were performed using specific primers to screen for tick-borne pathogens as well as sequence analysis based on the 16S rRNA (rrs), ompB, gltA, ompA genes for Rickettsia, rrs, groEL genes for Anaplasma, and ssrA and rpoB genes for Bartonella. The PCR results showed that the minimum infection rates with Rickettsia, Anaplasma, and Bartonella were 16.8% (78/465), 18.9% (88/465), and 0.9% (4/465), respectively. Sequence analysis based on the concatenated sequences of rrs-ompB-gltA-ompA indicated that the Rickettsia species identified in the ticks belonged to Rickettsia raoultii, Rickettsia slovaca, and Rickettsia sibirica, respectively; phylogenetic analysis based on the groEL gene showed that all Anaplasma strains identified were Anaplasma ovis; and phylogenetic analysis based on the ssrA and rpoB genes indicated that all Bartonella strains in the ticks belonged to Bartonella melophagi. The results of this study showed that ticks in Gansu Province harbored multiple pathogens that may cause rickettsial diseases and bartonellosis. These diseases were neglected in the area and physicians and public health workers need to pay attention to their diagnoses to prevent human infection.
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Affiliation(s)
- Xiao-Qian Cao
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, Hubei, China
| | - Xiao-Lan Gu
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, Hubei, China
| | - Li Zhang
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, Hubei, China
| | - Jiao Xu
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, Hubei, China
| | - Hui-Ju Han
- School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China.
| | - Xue-Jie Yu
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, Hubei, China.
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49
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Hussain S, Hussain A, Aziz MU, Song B, Zeb J, Hasib FMY, Almendros A, Cabezas-Cruz A, George D, Sparagano O. First molecular confirmation of multiple zoonotic vector-borne diseases in pet dogs and cats of Hong Kong SAR. Ticks Tick Borne Dis 2023; 14:102191. [PMID: 37121216 DOI: 10.1016/j.ttbdis.2023.102191] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/02/2023]
Abstract
In recent years, the incidence of vector-borne diseases (VBDs) has increased throughout the globe. In particular, tick-borne diseases (e.g., caused by Ehrlichia canis, E. ewingii, Anaplasma phagocytophilum, A. platys, Borrelia burgdorferi sensu stricto (s.s.) and Babesia gibsoni) and mosquito-borne diseases (e.g., caused by Dirofilaria immitis) diseases pose a burden on animal health. Nevertheless, there have been no studies undertaken on the occurrence of VBDs in pet dogs and cats in Hong Kong SAR. This study fills this gap, and is the first to determine the seroprevalence of major VBDs, such as those caused by D. immitis, E. canis, E. ewingii, A. phagocytophilum, A. platys and B. burgdorferi s.s, in dogs and cats through commercially available SNAP 4Dx plus testing. Infection by all these pathogens and Babesia sp. was further assessed through PCR and DNA sequencing. A total of 224 blood samples were collected from domestic dogs (n = 159) and cats (n = 65) in Hong Kong SAR during summer 2022. Hematocrit and platelet counts were determined in each blood sample and other hematological parameters were assessed using an automatic hematology analyzer and vortex the specimen for one to two minutes at or near the highest setting to minimize the clumping. All cat sera samples were negative for tested pathogens, but antibodies against some of the pathogens were detected in dog sera samples. Here, the highest figures were recorded for seroprevalence of E. canis/E. ewingii (10.7%), followed by D. immitis (5.7%), and A. phagocytophilum/A. platys (2.5%). No B. burgdorferi s.s. antibodies were detected in any of the dogs tested. Through molecular diagnostics, we detected the presence of B. gibsoni (3.7%), E. canis (3.1%), D. immitis (5.7%), and A. phagocytophilum (1.3%). Neighbor-Joining phylogenetic trees for vector-borne pathogens (i.e., genus Anaplasma sp.) showed 100% clustering to Japan, the USA and Germany, whereas genus Ehrlichia sp. showed 100% clustering to China, Turkey, Cuba, and Greece. Similarly, genus Babesia sp. clustered 100% to India, Sri Lanka and Austria, while D. immitis clustered in Iraq, South Korea, Portugal, France, the USA and Italy. This study provides the first evidence on the occurrence of tick-borne pathogens in pet dogs in Hong Kong SAR. Based on these findings, it is recommended that appropriate screening should be undertaken in domestic dogs to evaluate the prevalence of these pathogens and promote the timely control of VBDs.
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Affiliation(s)
- Sabir Hussain
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China; School of Biological, Environmental, and Earth Sciences, University of Southern Mississippi, Hattiesburg, MS 39406, United States.
| | - Abrar Hussain
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois, Urbana-Champaign, 61802, United States
| | - Muhammad Umair Aziz
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Baolin Song
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Jehan Zeb
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - F M Yasir Hasib
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Angel Almendros
- Department of Veterinary Clinical Sciences, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Alejandro Cabezas-Cruz
- Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
| | - David George
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Olivier Sparagano
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China.
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50
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Prajapati A, Prajapati B, Patel A, Chauhan P, Das B, Raval S, Suthar A, Sutaria T, Chaudhari RK, Patel P, Chauhan V, Patel R. Molecular identification and genetic characterization of Theileria and Anaplasma infection in sheep and goat of North Gujarat, India. Parasitol Res 2023; 122:1427-1433. [PMID: 37081210 DOI: 10.1007/s00436-023-07848-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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 04/12/2023] [Indexed: 04/22/2023]
Abstract
Hemoprotozoal diseases are significant health concerns in small ruminants. The present study was conducted to identify and characterize the species of Theileria and Anaplasma in sheep and goats located in different districts of North Gujarat, India. A total of 226 (Banaskantha = 175, Patan = 26, and Bhuj = 25) blood samples were collected from sheep (n = 78) and goats (n = 148), and 46 ticks were collected and identified from sheep and goats. PCR assays were carried out using genus and species-specific primers for Theileria targeting 18S rRNA locus and for Anaplasma targeting the msp5 gene. Overall, 37.2% sheep (29/78) and 10.8% of goats (16/148) were positive for Theileria by PCR, whereas 15.4% of sheep (12/78) and 25.7% goats (38/148) were positive for Anaplasma infection. Moreover, mixed infection was found in 4.4% (10/226) of sheep and goats by PCR. Sanger sequencing of Theileria and Anaplasma positives revealed a high similarity to T. ovis and A. ovis using NCBI blast, respectively. Phylogenetic analyses revealed that the Anaplasma spp. DNA sequences belonged to the A. ovis group and closely associated with the A. ovis nucleotide sequence strain Haibei isolated in China from sheep (GQ483471). The phylogenetic analysis based on the SSU rRNA locus revealed that the Theileria ovis DNA sequences belonged to the T. ovis group and closely related to MW440586 isolated in Kerala, India, from a goat. The majority of ticks (91.3%) were identified as Hyalomma. In conclusion, Theileria ovis and Anaplasma ovis were commonly identified species in sheep and goats and transmitted mainly by Hyalomma ticks in North Gujarat, India, which is important baseline data for future research and control strategies. This is the first report on Theileria and Anaplasma co-infections in sheep and goats from North Gujarat, India.
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Affiliation(s)
- Ankit Prajapati
- Department of Veterinary Medicine, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India.
| | - Bhavesh Prajapati
- Department of Veterinary Public Health and Epidemiology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Arun Patel
- Department of Veterinary Microbiology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Prakash Chauhan
- Department of Veterinary Clinics, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Bhupamani Das
- Department of Veterinary Clinics, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Samir Raval
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Abhinav Suthar
- Department of Veterinary Medicine, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Tarun Sutaria
- Department of Veterinary Gynecology and Obstetrics, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Ravjibhai K Chaudhari
- Department of Veterinary Gynecology and Obstetrics, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Pankaj Patel
- Department of Veterinary Physiology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
| | - Vandip Chauhan
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Anand, 388001, Gujarat, India
| | - Ramesh Patel
- Department of Veterinary Clinics, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, 385506, Gujarat, India
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