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Han XY, Du LF, Lin ZT, Li C, Xiong T, Zhu WJ, Ye RZ, Wang N, Wang YF, Gao WY, Zhao L, Cui XM, Cao WC. Genomic characters of Anaplasma bovis and genetic diversity in China. Emerg Microbes Infect 2024; 13:2323153. [PMID: 38442029 PMCID: PMC10916922 DOI: 10.1080/22221751.2024.2323153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 02/20/2024] [Indexed: 03/07/2024]
Abstract
The emergence of Anaplasma bovis or A. bovis-like infection in humans from China and the United States of America has raised concern about the public health importance of this pathogen. Although A. bovis has been detected in a wide range of ticks and mammals in the world, no genome of the pathogen is available up to now, which has prohibited us from better understanding the genetic basis for its pathogenicity. Here we describe an A. bovis genome from metagenomic sequencing of an infected goat in China. Anaplasma bovis had the smallest genome of the genus Anaplasma, and relatively lower GC content. Phylogenetic analysis of single-copy orthologue sequence showed that A. bovis was closely related to A. platys and A. phagocytophilum, but relatively far from intraerythrocytic Anaplasma species. Anaplasma bovis had 116 unique orthogroups and lacked 51 orthogroups in comparison to other Anaplasma species. The virulence factors of A. bovis were significantly less than those of A. phagocytophilum, suggesting less pathogenicity of A. bovis. When tested by specific PCR assays, A. bovis was detected in 23 of 29 goats, with an infection rate up to 79.3% (95% CI: 64.6% ∼94.1%). The phylogenetic analyses based on partial 16S rRNA, gltA and groEL genes indicated that A. bovis had high genetic diversity. The findings of this study lay a foundation for further understanding of the biological characteristics and genetic diversity of A. bovis, and will facilitate the formulation of prevention and control strategies.
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Affiliation(s)
- Xiao-Yu Han
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Li-Feng Du
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Zhe-Tao Lin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Cheng Li
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Tao Xiong
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Wen-Jie Zhu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Run-Ze Ye
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Ning Wang
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Yi-Fei Wang
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Wan-Ying Gao
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Lin Zhao
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Xiao-Ming Cui
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Wu-Chun Cao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
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Rouxel C, Etienne A, Arné P, Le Barzic C, Girault G, Boulouis HJ, Haddad N, Lagrée AC, Deshuillers PL. Anaplasma phagocytophilum in urban and peri-urban passerine birds in Ile-de-France. Ticks Tick Borne Dis 2024; 15:102350. [PMID: 38723399 DOI: 10.1016/j.ttbdis.2024.102350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 04/09/2024] [Accepted: 05/04/2024] [Indexed: 05/20/2024]
Abstract
Wild animals in general, birds in particular, play a key role in transporting ticks and propagating tick-borne pathogens. Several studies have confirmed the infection of birds with Anaplasma phagocytophilum, with overall prevalence varying widely from country to country and/or study to study. This zoonotic bacterium, transmitted mainly by ticks of the genus Ixodes, is responsible for granulocytic anaplasmosis in humans (HGA) and domestic animals (cats, dogs, horses). The disease is also called tick-borne fever (TBF) in ruminants. Extremely rare in the USA, TBF is very common in Europe, where it causes economic losses in livestock. Conversely, HGA is well established in the USA whereas only a few less severe cases have been observed in Europe. Current typing techniques support the existence of multiple variants with differences in virulence/pathogenicity and tropism for certain tick and host species. However, epidemiological cycles remain difficult to characterize in Europe. Several studies describe a cycle apparently involving only birds in Europe, but no such study has been conducted in mainland France. Our objectives were to search for A. phagocytophilum in passerine birds in the Ile-de-France region and to explore their diversity using groEL and ankA gene typing and multilocus sequence typing (MLST). Various tissues (spleen, liver, and skin) were collected from cadavers of 680 passerines between March and December 2021. The presence of A. phagocytophilum was detected by qPCR Taqman targeting the msp2 gene. Three blackbirds (Turdus merula) were found positive, representing detection rates of 0.4 % in all birds tested and 3.3 % in blackbirds. The higher frequency of detection in blackbirds could be at least partially explained by their lifestyle, as they feed on the ground. Analysis of the results of groEL and ankA typing and MLST from positive blackbirds support the hypothesis that the avian A. phagocytophilum strains in Ile-de-France are distinct from those found in mammals, and that they form their own cluster in Europe.
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Affiliation(s)
- Clotilde Rouxel
- ANSES, INRAE, École nationale vétérinaire d'Alfort (EnvA), UMR BIPAR, Laboratoire de Santé Animale, 94700 Maisons-Alfort, France
| | - Adrien Etienne
- ANSES, INRAE, École nationale vétérinaire d'Alfort (EnvA), UMR BIPAR, Laboratoire de Santé Animale, 94700 Maisons-Alfort, France
| | - Pascal Arné
- EnvA, Centre hospitalier universitaire vétérinaire - Faune sauvage (Chuv-FS), 94700, Maisons-Alfort, France; EnvA, UPEC, ANSES, Dynamyc research group EA 7380, 94700, Maisons-Alfort, France
| | - Cécile Le Barzic
- EnvA, Centre hospitalier universitaire vétérinaire - Faune sauvage (Chuv-FS), 94700, Maisons-Alfort, France
| | - Guillaume Girault
- ANSES, INRAE, EnvA, Université Paris-Est, UMR Virologie, Laboratoire de Santé Animale, 94700 Maisons-Alfort, France
| | - Henri-Jean Boulouis
- ANSES, INRAE, École nationale vétérinaire d'Alfort (EnvA), UMR BIPAR, Laboratoire de Santé Animale, 94700 Maisons-Alfort, France
| | - Nadia Haddad
- ANSES, INRAE, École nationale vétérinaire d'Alfort (EnvA), UMR BIPAR, Laboratoire de Santé Animale, 94700 Maisons-Alfort, France
| | - Anne-Claire Lagrée
- ANSES, INRAE, École nationale vétérinaire d'Alfort (EnvA), UMR BIPAR, Laboratoire de Santé Animale, 94700 Maisons-Alfort, France
| | - Pierre Lucien Deshuillers
- ANSES, INRAE, École nationale vétérinaire d'Alfort (EnvA), UMR BIPAR, Laboratoire de Santé Animale, 94700 Maisons-Alfort, France.
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Springer A, Schütte K, Brandes F, Reuschel M, Fehr M, Dobler G, Margos G, Fingerle V, Sprong H, Strube C. Potential drivers of vector-borne pathogens in urban environments: European hedgehogs ( Erinaceus europaeus) in the spotlight. One Health 2024; 18:100764. [PMID: 38855195 PMCID: PMC11157281 DOI: 10.1016/j.onehlt.2024.100764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 05/22/2024] [Indexed: 06/11/2024] Open
Abstract
Vector-borne diseases (VBDs) are considered as (re-)emerging, but information on the transmission cycles and wildlife reservoirs is often incomplete, particularly with regard to urban areas. The present study investigated blood samples from European hedgehogs (Erinaceus europaeus) presented at wildlife rehabilitation centres in the region of Hanover. Past exposure to B. burgdorferi sensu lato (s.l.) and tick-borne encephalitis virus (TBEV) was assessed by serological detection of antibodies, while current infections with Borrelia spp., Anaplasma phagocytophilum, Rickettsia spp., Neoehrlichia mikurensis, Bartonella spp., Babesia spp. and Spiroplasma ixodetis were investigated by (q)PCR. Of 539 hedgehogs tested for anti-Borrelia antibodies, 84.8% (457/539) were seropositive, with a higher seropositivity rate in adult than subadult animals, while anti-TBEV antibodies were detected in one animal only (0.2%; 1/526). By qPCR, 31.2% (168/539) of hedgehog blood samples were positive for Borrelia spp., 49.7% (261/525) for A. phagocytophilum, 13.0% (68/525) for Bartonella spp., 8.2% for S. ixodetis (43/525), 8.0% (42/525) for Rickettsia spp. and 1.3% (7/525) for Babesia spp., while N. mikurensis was not detected. While further differentiation of Borrelia spp. infections was not successful, 63.2% of the A. phagocytophilum infections were assigned to the zoonotic ecotype I and among Rickettsia spp. infections, 50.0% to R. helvetica by ecotype- or species-specific qPCR, respectively. Sequencing revealed the presence of a Rickettsia sp. closely related to Rickettsia felis in addition to a Bartonella sp. previously described from hedgehogs, as well as Babesia microti and Babesia venatorum. These findings show that hedgehogs from rehabilitation centres are valuable sources to identify One Health pathogens in urban areas. The hedgehogs are not only exposed to pathogens from fleas and ticks in urban areas, but they also act as potent amplifiers for these vectors and their pathogens, relevant for citizens and their pets.
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Affiliation(s)
- Andrea Springer
- Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany
| | - Karolin Schütte
- Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany
- Wildlife Rescue and Conservation Center Sachsenhagen, Hohe Warte 1, 31553 Sachsenhagen, Germany
| | - Florian Brandes
- Wildlife Rescue and Conservation Center Sachsenhagen, Hohe Warte 1, 31553 Sachsenhagen, Germany
| | - Maximilian Reuschel
- Department of Small Mammal, Reptile and Avian Diseases, University of Veterinary Medicine Hanover, Buenteweg 9, 30559 Hanover, Germany
| | - Michael Fehr
- Department of Small Mammal, Reptile and Avian Diseases, University of Veterinary Medicine Hanover, Buenteweg 9, 30559 Hanover, Germany
| | - Gerhard Dobler
- National Reference Laboratory for TBEV, Bundeswehr Institute of Microbiology, Neuherbergstr. 11, 80937 Munich, Germany
| | - Gabriele Margos
- National Reference Center for Borrelia, Bavarian Food and Health and Food Safety Authority, Veterinärstraße 2, 85764 Oberschleissheim, Germany
| | - Volker Fingerle
- National Reference Center for Borrelia, Bavarian Food and Health and Food Safety Authority, Veterinärstraße 2, 85764 Oberschleissheim, Germany
| | - Hein Sprong
- Centre for Infectious Disease Control, National Institute of Public Health and Environment, Antonie van Leeuwenhoeklaan 9, 3720, BA, Bilthoven, Netherlands
| | - Christina Strube
- Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany
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Aung A, Narapakdeesakul D, Arnuphapprasert A, Nugraheni YR, Wattanachant C, Kaewlamun W, Kaewthamasorn M. Multi-locus sequence analysis of Anaplasma bovis in goats and ticks from Thailand, with the initial identification of an uncultured Anaplasma species closely related to Anaplasma phagocytophilum-like 1. Comp Immunol Microbiol Infect Dis 2024; 109:102181. [PMID: 38636298 DOI: 10.1016/j.cimid.2024.102181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 04/02/2024] [Accepted: 04/14/2024] [Indexed: 04/20/2024]
Abstract
Ticks and tick-borne pathogens (TTBP) pose a serious threat to animal and human health globally. Anaplasma bovis, an obligatory intracellular bacterium, is one of the more recent species of the Family Anaplasmaceae to be formally described. Owing to its diminutive size, microscopic detection presents a formidable challenge, leading to it being overlooked in laboratory settings lacking advanced equipment or resources, as observed in various regions, including Thailand. This study aimed to undertake a genetic analysis of A. bovis and determine its prevalence in goats and ticks utilizing three genetic markers (16S rRNA, gltA, groEL). A total of 601 goat blood and 118 tick samples were collected from 12 sampling sites throughout Thailand. Two tick species, Haemaphysalis bispinosa (n = 109), and Rhipicephalus microplus (n = 9) were identified. The results herein showed that 13.8 % (83/601) of goats at several farms and 5 % (1/20) of ticks were infected with A. bovis. Among infected ticks, A. bovis and an uncultured Anaplasma sp. which are closely related to A. phagocytophilum-like 1, were detected in each of H. bispinosa ticks. The remaining R. microplus ticks tested positive for the Anaplasma genus. A nucleotide sequence type network showed that A. bovis originated from Nan and Narathiwat were positioned within the same cluster and closely related to China isolates. This observation suggests the potential dispersal of A. bovis over considerable distances, likely facilitated by activities such as live animal trade or the transportation of infected ticks via migratory birds. The authors believe that the findings from this study will provide valuable information about TTBP in animals.
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Affiliation(s)
- Aung Aung
- Veterinary Parasitology Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; The International Graduate Program of Veterinary Science and Technology (VST), Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Duriyang Narapakdeesakul
- Veterinary Parasitology Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; Veterinary Pathobiology Graduate Program, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Apinya Arnuphapprasert
- Veterinary Parasitology Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Yudhi Ratna Nugraheni
- The International Graduate Program of Veterinary Science and Technology (VST), Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; Department of Parasitology, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Sleman 55281, Indonesia
| | - Chaiyawan Wattanachant
- Small Ruminant Research and Development Center, Faculty of Natural Resources, Prince of Songkla University, Songkhla 90110, Thailand
| | - Winai Kaewlamun
- School of Agricultural Resources, Chulalongkorn University, Bangkok 10330, Thailand
| | - Morakot Kaewthamasorn
- Veterinary Parasitology Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand.
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Altay K, Erol U, Sahin OF. Anaplasma capra: a new emerging tick-borne zoonotic pathogen. Vet Res Commun 2024; 48:1329-1340. [PMID: 38424380 PMCID: PMC11147849 DOI: 10.1007/s11259-024-10337-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 02/21/2024] [Indexed: 03/02/2024]
Abstract
The genus Anaplasma includes A. marginale, A. centrale, A. bovis, A. ovis, A. platys, and A. phagocytophilum transmitted by ticks, some of which are zoonotic and cause anaplasmosis in humans and animals. In 2012, a new species was discovered in goats in China. In 2015, the same agent was detected in humans in China, and it was provisionally named Anaplasma capra, referring to 2012. The studies conducted to date have revealed the existence of A. capra in humans, domestic animals, wild animals, and ticks from three different continents (Asia, Europe, and Africa). Phylogenetic analyses based on gltA and groEL sequences show that A. capra clearly includes two different genotypes (A. capra genotype-1 and A. capra genotype-2). Although A. capra human isolates are in the genotype-2 group, goat, sheep, and cattle isolates are in both groups, making it difficult to establish a host genotype-relationship. According to current data, it can be thought that human isolates are genotype-2 and while only genotype-1 is found in Europe, both genotypes are found in Asia. Anaplasma capra causes clinical disease in humans, but the situation is not yet sufficient to understand the zoonotic importance and pathogenicity in animals. In the present review, the history, hosts (vertebrates and ticks), molecular prevalence, pathogenic properties, and genetic diversity of A. capra were evaluated from a broad perspective.
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Affiliation(s)
- Kursat Altay
- Department of Parasitology, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, Sivas, 58140, Türkiye.
| | - Ufuk Erol
- Department of Parasitology, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, Sivas, 58140, Türkiye
| | - Omer Faruk Sahin
- Department of Parasitology, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, Sivas, 58140, Türkiye
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Ardila MM, Thomas R, Santodomingo A, Silva-de la Fuente MC, Muñoz-Leal S, Landaeta-Aqueveque C, Henríquez A. Molecular survey of tick-borne infectious agents in cricetid rodents (Rodentia: Cricetidae) in Central and Southern Chile. Front Vet Sci 2024; 11:1399783. [PMID: 38828369 PMCID: PMC11141396 DOI: 10.3389/fvets.2024.1399783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 04/25/2024] [Indexed: 06/05/2024] Open
Abstract
Tick-borne infectious agents (TBIAs) include several bacteria and protozoa that can infect vertebrates, including humans. Some of these agents can cause important diseases from both a public health perspective, such as Lyme disease, and from an animal health and production viewpoint, such as Texas fever. In Chile, several studies have assessed the presence of tick-borne disease agents in vectors and mammal hosts, mainly in the northern regions, but few studies have assessed the presence of these agents in Central and Southern Chile. This study aimed to assess the presence of three groups of TBIAs-Borrelia, Anaplasmataceae, and Piroplasmida-in cricetid rodents of Central and Southern Chile. A total of 207 specimens from 13 localities between the O'Higgins and Los Lagos regions were captured. DNA was extracted from the liver and spleen, and subsequently underwent polymerase chain reaction (PCR) amplification targeting the 16S rRNA, flaB, and 18S rRNA genes to detect DNA from Borrelia, Anaplasmataceae, and Piroplasmida, respectively. Although no DNA from these TBIAs was detected, the DNA extraction process was validated by optimal DNA purity ratios (an A260/A280 ratio within the 1.6-2.0 range) and successful internal control amplification in all samples. These results, in addition to findings from previous reports, suggest a very low prevalence of these TBIAs in the rodent population studied. Further research into the factors influencing the presence of these agents and their vectors will provide insight into the reasons underlying this low prevalence.
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Affiliation(s)
- Marlon Mauricio Ardila
- Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
- Facultad de Ciencias Básicas, Universidad del Atlántico, Puerto Colombia, Colombia
| | - Richard Thomas
- Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | | | | | | | | | - AnaLía Henríquez
- Facultad de Ciencias de la Naturaleza, Universidad San Sebastián, Concepción, Chile
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Nahal A, Ben Said M, Ouchene N. Current status of ruminant anaplasmosis in Algeria: a systematic review and meta-analysis. Trop Anim Health Prod 2024; 56:164. [PMID: 38740638 DOI: 10.1007/s11250-024-04010-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Accepted: 05/02/2024] [Indexed: 05/16/2024]
Abstract
Anaplasmosis is an emerging infectious disease that is being recognised all over the world, with impact on animal health.This systematic review and meta-analysis aimed to assess the rate infection of Anaplasma spp. infection in Algerian ruminants. Three databases were searched to identify eligible studies for the final systematic review and meta-analysis. The 'meta' package in the R software was used for the meta-analysis, and the random effects model was chosen to pool the data. Meta-analysis encompasses 14 research papers spanning 19 years (2004-2023), out of an initial pool of 737 articles retrieved from various databases. The study included a total of 1515 cattle, 190 sheep, and 310 goats, and the overall Anaplasma infection rate was estimated at 28% (95% CI, 17-41%). The analysis revealed varying infection rates among species, with cattle at 20%, sheep at 30%, and goats at 61%. Five classified species and two unclassified strains belonging to Anaplasma genus were identified in ruminants, which are A. marginale, A. centrale, A. bovis, A. ovis, A. phagocytophilum, A. phagocytophilum-like strains, and A. platys-like strains. Among these, A. marginale was prevalent in ten out of eleven cattle studies. The data also revealed regional variations, with Northeastern Algeria showing a higher infection rate (26%) compared to North-central Algeria (9%). In the subgroup analysis, clinically healthy cattle had a higher infection rate (28%) compared to suspected disease cattle (16%). Molecular biology screening methods yielded a significantly higher infection rate (33%) than microscopy (12%). Gender analysis suggested slightly higher infection rates among male cattle (19%) compared to females (16%). Age analysis indicated that Anaplasma infection was more common in cattle less than 12 months (14%) compared to those over 12 months (9%). This systematic review provides valuable insights, highlighting the need for continued surveillance and potential preventive strategies in different regions and among different animal populations in Algeria.
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Affiliation(s)
- Amir Nahal
- Department of Veterinary Sciences, Faculty of Natural Sciences and Life, Chadli Bendjedid University- El-Tarf, B.P 73, 36000, El-Tarf, Algeria.
| | - Mourad Ben Said
- Laboratory of Microbiology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, 2010, Manouba, Tunisia
- Department of Basic Sciences, Higher Institute of Biotechnology of Sidi Thabet, University of Manouba, 2010, Manouba, Tunisia
| | - Nassim Ouchene
- Institute of Veterinary Sciences, Street of Soumâa, University Sâad Dahlab Blida 1, BP 270, 09000, Blida, Algeria
- Laboratory of Physical Chemistry of Materials Interfaces Applied to the Environment, Sâad Dahlab University of Blida, 1, Street Soumâa, BP 270, 09000, Blida, Algeria
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Buysse M, Koual R, Binetruy F, de Thoisy B, Baudrimont X, Garnier S, Douine M, Chevillon C, Delsuc F, Catzeflis F, Bouchon D, Duron O. Detection of Anaplasma and Ehrlichia bacteria in humans, wildlife, and ticks in the Amazon rainforest. Nat Commun 2024; 15:3988. [PMID: 38734682 PMCID: PMC11088697 DOI: 10.1038/s41467-024-48459-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
Tick-borne bacteria of the genera Ehrlichia and Anaplasma cause several emerging human infectious diseases worldwide. In this study, we conduct an extensive survey for Ehrlichia and Anaplasma infections in the rainforests of the Amazon biome of French Guiana. Through molecular genetics and metagenomics reconstruction, we observe a high indigenous biodiversity of infections circulating among humans, wildlife, and ticks inhabiting these ecosystems. Molecular typing identifies these infections as highly endemic, with a majority of new strains and putative species specific to French Guiana. They are detected in unusual rainforest wild animals, suggesting they have distinctive sylvatic transmission cycles. They also present potential health hazards, as revealed by the detection of Candidatus Anaplasma sparouinense in human red blood cells and that of a new close relative of the human pathogen Ehrlichia ewingii, Candidatus Ehrlichia cajennense, in the tick species that most frequently bite humans in South America. The genome assembly of three new putative species obtained from human, sloth, and tick metagenomes further reveals the presence of major homologs of Ehrlichia and Anaplasma virulence factors. These observations converge to classify health hazards associated with Ehrlichia and Anaplasma infections in the Amazon biome as distinct from those in the Northern Hemisphere.
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Affiliation(s)
- Marie Buysse
- MIVEGEC, University of Montpellier, CNRS, IRD, Montpellier, France
| | - Rachid Koual
- MIVEGEC, University of Montpellier, CNRS, IRD, Montpellier, France
| | - Florian Binetruy
- MIVEGEC, University of Montpellier, CNRS, IRD, Montpellier, France
| | - Benoit de Thoisy
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de Guyane, Cayenne, France
- Association Kwata 'Study and Conservation of Guianan Wildlife', Cayenne, France
| | - Xavier Baudrimont
- Direction Générale des Territoires et de la Mer (DGTM) - Direction de l'environnement, de l'agriculture, de l'alimentation et de la forêt (DEAAF), Cayenne, France
| | - Stéphane Garnier
- Biogéosciences, UMR 6282 uB/CNRS/EPHE, Université Bourgogne Franche-Comté, Dijon, France
| | - Maylis Douine
- Centre d'Investigation Clinique Antilles-Guyane, INSERM 1424, Centre Hospitalier de Cayenne, Cayenne, France
| | | | - Frédéric Delsuc
- Institut des Sciences de l'Evolution de Montpellier (ISEM), CNRS, IRD, EPHE, Université de Montpellier, Montpellier, France
| | - François Catzeflis
- Institut des Sciences de l'Evolution de Montpellier (ISEM), CNRS, IRD, EPHE, Université de Montpellier, Montpellier, France
| | - Didier Bouchon
- EBI, University of Poitiers, UMR CNRS 7267, Poitiers, France
| | - Olivier Duron
- MIVEGEC, University of Montpellier, CNRS, IRD, Montpellier, France.
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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] [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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10
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Daněk O, Hrbatová A, Volfová K, Ševčíková S, Lesiczka P, Nováková M, Ghodrati S, Hrazdilova K, Veneziano V, Napoli E, Otranto D, Montarsi F, Mihalca AD, Mechouk N, Adamík P, Modrý D, Zurek L. Italian peninsula as a hybridization zone of Ixodes inopinatus and I. ricinus and the prevalence of tick-borne pathogens in I. inopinatus, I. ricinus, and their hybrids. Parasit Vectors 2024; 17:196. [PMID: 38685096 PMCID: PMC11059663 DOI: 10.1186/s13071-024-06271-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 04/05/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND Ixodes inopinatus was described from Spain on the basis of morphology and partial sequencing of 16S ribosomal DNA. However, several studies suggested that morphological differences between I. inopinatus and Ixodes ricinus are minimal and that 16S rDNA lacks the power to distinguish the two species. Furthermore, nuclear and mitochondrial markers indicated evidence of hybridization between I. inopinatus and I. ricinus. In this study, we tested our hypothesis on tick dispersal from North Africa to Southern Europe and determined the prevalence of selected tick-borne pathogens (TBPs) in I. inopinatus, I. ricinus, and their hybrids. METHODS Ticks were collected in Italy and Algeria by flagging, identified by sequencing of partial TROSPA and COI genes, and screened for Borrelia burgdorferi s.l., B. miyamotoi, Rickettsia spp., and Anaplasma phagocytophilum by polymerase chain reaction and sequencing of specific markers. RESULTS Out of the 380 ticks, in Italy, 92 were I. ricinus, 3 were I. inopinatus, and 136 were hybrids of the two species. All 149 ticks from Algeria were I. inopinatus. Overall, 60% of ticks were positive for at least one TBP. Borrelia burgdorferi s.l. was detected in 19.5% of ticks, and it was significantly more prevalent in Ixodes ticks from Algeria than in ticks from Italy. Prevalence of Rickettsia spotted fever group (SFG) was 51.1%, with significantly greater prevalence in ticks from Algeria than in ticks from Italy. Borrelia miyamotoi and A. phagocytophilum were detected in low prevalence (0.9% and 5.2%, respectively) and only in ticks from Italy. CONCLUSIONS This study indicates that I. inopinatus is a dominant species in Algeria, while I. ricinus and hybrids were common in Italy. The higher prevalence of B. burgdorferi s.l. and Rickettsia SFG in I. inopinatus compared with that in I. ricinus might be due to geographical and ecological differences between these two tick species. The role of I. inopinatus in the epidemiology of TBPs needs further investigation in the Mediterranean Basin.
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Affiliation(s)
- Ondřej Daněk
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic
| | - Alena Hrbatová
- CEITEC University of Veterinary Sciences, Brno, Czech Republic
| | - Karolina Volfová
- CEITEC University of Veterinary Sciences, Brno, Czech Republic
- Department of Parasitology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Sylvie Ševčíková
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences, Prague, Czech Republic
| | - Paulina Lesiczka
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic
| | - Markéta Nováková
- CEITEC University of Veterinary Sciences, Brno, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Sajjad Ghodrati
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Kristyna Hrazdilova
- Faculty of Medicine in Pilsen, Biomedical Center, Charles University, Pilsen, Czech Republic
| | - Vincenzo Veneziano
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, Naples, Italy
| | - Ettore Napoli
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Domenico Otranto
- Department of Veterinary Medicine, University of Bari, Valenzano, Italy
- Department of Veterinary Clinical Sciences, City University of Hong Kong, Hong Kong, Hong Kong
| | - Fabrizio Montarsi
- Instituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy
| | - Andrei Daniel Mihalca
- Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Cluj-Napoca, Romania
| | - Noureddine Mechouk
- Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Cluj-Napoca, Romania
| | - Peter Adamík
- Department of Zoology, Palacky University Olomouc, Olomouc, Czech Republic
| | - David Modrý
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Ludek Zurek
- CEITEC University of Veterinary Sciences, Brno, Czech Republic.
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences, Prague, Czech Republic.
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11
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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] [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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12
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Zhao HX, Zan XQ, Tao JZ, Dan XG. Molecular Characterization of Tick-borne Pathogens in Bactrian Camels and Ticks from Gansu Province, China. Acta Parasitol 2024; 69:343-350. [PMID: 38087038 DOI: 10.1007/s11686-023-00752-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 11/13/2023] [Indexed: 05/01/2024]
Abstract
PURPOSE Ticks are dangerous ectoparasites for humans and other animals, and tick-borne pathogens of Bactrian camels have been epidemiologically surveyed in Gansu Province, China. We aimed to determine the current distribution of tick-borne pathogens among Bactrian camels in Gansu during August 2013 using molecular tools. METHODS All ticks underwent morphological identification. We extracted DNA from the blood samples and ticks, screened them for Theileria, Babesia, Anaplasma, and Ehrlichia using standard or nested PCR with specific primers. RESULTS All ticks collected from the skin were identified as Hyalomma asiaticum. The blood and tick samples harbored similar pathogens, including the Theileria species, T. annulata, T. luwenshuni, T. uilenbergi, and T. capreoli, the Anaplasma species A. bovis and uncultured Anaplasma, the Ehrlichia species E. canis and uncultured Ehrlichia, and a new haplotype of Babesia species. CONCLUSION Our findings of anaplasmataceae and piroplasmida in Bactrian camels in Gansu provide a theoretical basis for deeper investigation into the epidemiology of tick-borne pathogens in these camels.
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Affiliation(s)
- Hong-Xi Zhao
- College of Animal Science and Technology, Ningxia University, Yinchuan, 750021, People's Republic of China.
| | - Xiao-Qing Zan
- College of Animal Science and Technology, Ningxia University, Yinchuan, 750021, People's Republic of China
| | - Jin-Zhong Tao
- College of Animal Science and Technology, Ningxia University, Yinchuan, 750021, People's Republic of China
| | - Xin-Gang Dan
- College of Animal Science and Technology, Ningxia University, Yinchuan, 750021, People's Republic of China
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13
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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] [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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14
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Le Dortz LL, Rouxel C, Leroy Q, Ducongé F, Boulouis HJ, Haddad N, Deshuillers PL, Lagrée AC. Aptamer selection against cell extracts containing the zoonotic obligate intracellular bacterium, Anaplasma phagocytophilum. Sci Rep 2024; 14:2465. [PMID: 38291133 PMCID: PMC10828505 DOI: 10.1038/s41598-024-52808-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/23/2024] [Indexed: 02/01/2024] Open
Abstract
A. phagocytophilum is a zoonotic and tick-borne bacterium, threatening human and animal health. Many questions persist concerning the variability of strains and the mechanisms governing the interactions with its different hosts. These gaps can be explained by the difficulty to cultivate and study A. phagocytophilum because of its strict intracellular location and the lack of specific tools, in particular monoclonal antibodies, currently unavailable. The objective of our study was to develop DNA aptamers against A. phagocytophilum, or molecules expressed during the infection, as new study and/or capture tools. Selecting aptamers was a major challenge due to the strict intracellular location of the bacterium. To meet this challenge, we set up a customized selection protocol against an enriched suspension of A. phagocytophilum NY18 strain, cultivated in HL-60 cells. The implementation of SELEX allowed the selection of three aptamers, characterized by a high affinity for HL-60 cells infected with A. phagocytophilum NY18 strain. Interestingly, the targets of these three aptamers are most likely proteins expressed at different times of infection. The selected aptamers could contribute to increase our understanding of the interactions between A. phagocytophilum and its hosts, as well as permit the development of new diagnostic, therapeutic or drug delivery appliances.
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Affiliation(s)
- Lisa Lucie Le Dortz
- Anses, INRAe, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratory of Animal Health, 94700, Maisons-Alfort, France.
| | - Clotilde Rouxel
- Anses, INRAe, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratory of Animal Health, 94700, Maisons-Alfort, France
| | - Quentin Leroy
- Anses, INRAe, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratory of Animal Health, 94700, Maisons-Alfort, France
| | - Frédéric Ducongé
- CEA, Fundamental Research Division (DRF), Institute of Biology François Jacob, Molecular Imaging Research Center, CNRS UMR9199, Paris-Saclay University, 92265, Fontenay-Aux-Roses, France
| | - Henri-Jean Boulouis
- Anses, INRAe, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratory of Animal Health, 94700, Maisons-Alfort, France
| | - Nadia Haddad
- Anses, INRAe, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratory of Animal Health, 94700, Maisons-Alfort, France.
| | - Pierre Lucien Deshuillers
- Anses, INRAe, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratory of Animal Health, 94700, Maisons-Alfort, France
| | - Anne-Claire Lagrée
- Anses, INRAe, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratory of Animal Health, 94700, Maisons-Alfort, France
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15
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Chadi H, Moraga-Fernández A, Sánchez-Sánchez M, Chenchouni H, Fernández de Mera IG, Garigliany MM, de la Fuente J, Tennah S, Sedrati T, Ghalmi F. Molecular detection and associated risk factors of Anaplasma marginale, A. ovis and A. platys in sheep from Algeria with evidence of the absence of A. phagocytophilum. Acta Trop 2024; 249:107040. [PMID: 37839669 DOI: 10.1016/j.actatropica.2023.107040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/08/2023] [Accepted: 10/12/2023] [Indexed: 10/17/2023]
Abstract
Anaplasma species are obligate intracellular rickettsial pathogens that cause significant diseases in animals and humans. Despite their importance, limited information on Anaplasma infections in Algeria has been published thus far. This study aimed to assess the infection rate, characterize Anaplasma species, and identify associated risk factors in selected sheep farms across Oum El Bouaghi region in Algeria. In 2018, we collected 417 blood samples from sheep (Ovis aries) and performed molecular characterization of Anaplasma species infecting these animals. This characterization involved the use of 16S rRNA, msp2, rpoB, and msp5 genes, which were analyzed through nested PCR, qPCR, cPCR, DNA sequencing, and subsequent phylogenetic analysis. Our findings revealed infection rates of 12.7 % for Anaplasma species detected, with Anaplasma ovis at 10.8 %, Anaplasma marginale at 1.7 %, and Anaplasma platys at 0.2 %. Interestingly, all tested animals were found negative for Anaplasma phagocytophilum. Statistical analyses, including the Chi-square test and Fisher exact test, failed to establish any significant relationships (p > 0.05) between A. ovis and A. platys infections and variables such as age, sex, sampling season, and tick infestation level. However, A. marginale infection exhibited a significant association with age (p < 0.05), with a higher incidence observed in lambs (5.2 %) compared to other age groups. Remarkably, this study represents the first molecular detection of A. platys and A. marginale in Algerian sheep. These findings suggest that Algerian sheep may serve as potential reservoirs for these pathogens. This research contributes valuable insights into the prevalence and characteristics of Anaplasma infections in Algerian sheep populations, emphasizing the need for further investigation and enhanced surveillance to better understand and manage these diseases.
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Affiliation(s)
- Hafidha Chadi
- Research Laboratory Management of Local Animal Resources, Higher National Veterinary School (ENSV), El Harrach, Algiers 16004, Algeria; Department of Applied Biology, Faculty of Exact Sciences and Nature and Life Sciences, University of Echahid Cheikh Larbi Tebessi, Tebessa 12000, Algeria.
| | - Alberto Moraga-Fernández
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real 13005, Spain
| | - Marta Sánchez-Sánchez
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real 13005, Spain
| | | | - Isabel G Fernández de Mera
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real 13005, Spain
| | - Mutien-Marie Garigliany
- Fundamental and Applied Research for Animals and Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Belgium
| | - José de la Fuente
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real 13005, Spain; Center for Veterinary Health Sciences, Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, OK 74078, USA
| | - Safia Tennah
- Research Laboratory Management of Local Animal Resources, Higher National Veterinary School (ENSV), El Harrach, Algiers 16004, Algeria
| | - Tahar Sedrati
- Research Laboratory Management of Local Animal Resources, Higher National Veterinary School (ENSV), El Harrach, Algiers 16004, Algeria; Department of Biology, University of Mohamed El Bachir El Ibrahimi, Bordj Bou Arréridj 34000, Algeria
| | - Farida Ghalmi
- Research Laboratory Management of Local Animal Resources, Higher National Veterinary School (ENSV), El Harrach, Algiers 16004, Algeria
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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. EXPERIMENTAL & APPLIED ACAROLOGY 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] [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] [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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Badshah F, Ullah K, Kamal M, Rafiq N, Usman T, Ríos-Escalante PRDL, Said MB. Epidemiological analysis of anaplasmosis in cattle from Khyber Pakhtunkhwa, Pakistan. Vet World 2023; 16:2287-2292. [PMID: 38152261 PMCID: PMC10750754 DOI: 10.14202/vetworld.2023.2287-2292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 10/16/2023] [Indexed: 12/29/2023] Open
Abstract
Background and Aim Anaplasmosis, a tick-borne disease affecting livestock caused by the bacteria Anaplasma, poses a global concern. This study aimed to estimate the prevalence, spatiotemporal variation, and associated risk factors of anaplasmosis in cattle from the Bannu and Lakki Marwat districts of Khyber Pakhtunkhwa, Pakistan. Materials and Methods This study used 197 cattle exhibiting clinical symptoms of anaplasmosis in natural settings. Microscopic examination was used to estimate the prevalence. Potential risk factors, such as sampling regions and months, gender, breed, and age were studied. Results The study revealed an overall anaplasmosis prevalence of 19.79%. Bannu district exhibited a higher occurrence at 22.10%, compared to Lakki Marwat district at 17.64%. Young cattle (<2 years) demonstrated a notably higher incidence of anaplasmosis (26.78%) compared to adults (>5 years), which had a prevalence of 12.35% (p < 0.05). Female cattle (22.36%) were more susceptible than male cattle (11.11%). Prevalence peaked in June (45.71%) and was lowest in February (3.57%). Crossbred cattle had a higher prevalence (23.52%) than purebred cattle (11.47%). Conclusion Anaplasmosis can be effectively controlled using a comprehensive approach encompassing selective breeding for resilience, targeted care of young calves and females, effective tick control during warmer months, consistent use of insecticides, and proactive risk factor management. Raising awareness among farmers through diverse channels, including media, is pivotal to bolster tick-borne disease management strategies.
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Affiliation(s)
- Farhad Badshah
- Department of Zoology, Abdul Wali Khan University, Mardan, Pakistan
| | - Kalim Ullah
- Department of Zoology, Kohat University of Science and Technology, Kohat-26000, Pakistan
| | - Mustafa Kamal
- Department of Zoology, Abdul Wali Khan University, Mardan, Pakistan
| | - Naseem Rafiq
- Department of Zoology, Abdul Wali Khan University, Mardan, Pakistan
| | - Tahir Usman
- College of Veterinary Sciences and Animal Husbandry, Abdul Wali Khan University, 23200 Mardan, Pakistan
| | - Patricio R. De los Ríos-Escalante
- Universidad Católica de Temuco Facultad de Recursos Naturales Departamento de Ciencias Biológicas y Químicas Casilla 15-D Temuco, Chile
- Nucleo de Estudios Ambientales, UCTemuco, Chile
| | - Mourad Ben Said
- Department of Basic Sciences, Higher Institute of Biotechnology of Sidi Thabet, University of Manouba, Manouba 2010, Tunisia
- Laboratory of Microbiology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, Manouba 2010, Tunisia
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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] [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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Lin ZT, Ye RZ, Liu JY, Wang XY, Zhu WJ, Li YY, Cui XM, Cao WC. Epidemiological and phylogenetic characteristics of emerging Anaplasma capra: A systematic review with modeling analysis. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2023; 115:105510. [PMID: 37778674 DOI: 10.1016/j.meegid.2023.105510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/19/2023] [Accepted: 09/28/2023] [Indexed: 10/03/2023]
Abstract
Anaplasma capra, an emerging tick-borne pathogen, has caused a lot of concern since initially recognized in goats and patients in China in 2015, and has been reported in a wide range of domestic and wild animals as well as ticks worldwide, posing a threat to public health. In this systematic review, we established a comprehensive database to acquire the distribution and prevalence status of this pathogen, and collected all sequences of A. capra to summarize the details of genetic diversity by phylogenetic analysis. We also predicted the possible global distribution of A. capra by using ecological niche model. A. capra has been known to distribute in 18 countries across Asia, Europe and Africa. A total of 19 species of mammals from seven families have been reported as hosts, and domestic ruminants including goats, sheep and cattle were the major hosts. At least 8 tick species of 4 genera have been reported to carry A. capra, and Haemaphysalis longicornis was most commonly infected. Sheep and Rhipicephalus microplus had the highest positive rates among animals and ticks. Phylogenetic analysis based on gltA and groEL genes revealed that A. capra could primarily be divided into two clusters related to geographic location and animal hosts. The predictive model showed that the most suitable habitats for presence of A. capra were mainly located in Asia and eastern Europe. These cumulative data regarding A. capra of our study lay a foundation for the subsequent exploration of this emerging tick-borne pathogen.
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Affiliation(s)
- Zhe-Tao Lin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
| | - Run-Ze Ye
- Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China
| | - Jin-Yue Liu
- Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China
| | - Xiao-Yang Wang
- Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China
| | - Wen-Jie Zhu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
| | - Yu-Yu Li
- Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China
| | - Xiao-Ming Cui
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
| | - Wu-Chun Cao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China; Institute of EcoHealth, School of Public Health, Shandong University, 44 Wenhuaxi Street, Jinan 250012, Shandong, PR China.
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21
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Moraga-Fernández A, Muñoz-Hernández C, Sánchez-Sánchez M, Fernández de Mera IG, de la Fuente J. Exploring the diversity of tick-borne pathogens: The case of bacteria (Anaplasma, Rickettsia, Coxiella and Borrelia) protozoa (Babesia and Theileria) and viruses (Orthonairovirus, tick-borne encephalitis virus and louping ill virus) in the European continent. Vet Microbiol 2023; 286:109892. [PMID: 37866329 DOI: 10.1016/j.vetmic.2023.109892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 10/04/2023] [Accepted: 10/13/2023] [Indexed: 10/24/2023]
Abstract
Ticks are the main vectors for the transmission of bacterial, protist and viral pathogens in Europe affecting wildlife and domestic animals. However, some of them are zoonotic and can cause serious, sometimes fatal, problems in human health. A systematic review in PubMed/MEDLINE database was conducted to determine the spatial distribution and host and tick species ranges of a selection of tick-borne bacteria (Anaplasma spp., Borrelia spp., Coxiella spp., and Rickettsia spp.), protists (Babesia spp. and Theileria spp.), and viruses (Orthonairovirus, and flaviviruses tick-borne encephalitis virus and louping ill virus) on the European continent in a five-year period (November 2017 - November 2022). Only studies using PCR methods were selected, retrieving a total of 429 articles. Overall, up to 85 species of the selected tick-borne pathogens were reported from 36 European countries, and Anaplasma spp. was described in 37% (159/429) of the articles, followed by Babesia spp. (34%, 148/429), Borrelia spp. (34%, 147/429), Rickettsia spp. (33%, 142/429), Theileria spp. (11%, 47/429), tick-borne flaviviruses (9%, 37/429), Orthonairovirus (7%, 28/429) and Coxiella spp. (5%, 20/429). Host and tick ranges included 97 and 50 species, respectively. The highest tick-borne pathogen diversity was detected in domestic animals, and 12 species were shared between humans, wildlife, and domestic hosts, highlighting the following zoonotic species: Anaplasma phagocytophilum, Babesia divergens, Babesia microti, Borrelia afzelii, Borrelia burgdorferi s.s., Borrelia garinii, Borrelia miyamotoi, Crimean-Congo hemorrhagic fever virus, Coxiella burnetii, Rickettsia monacensis and tick-borne encephalitis virus. These results contribute to the implementation of effective interventions for the surveillance and control of tick-borne diseases.
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Affiliation(s)
- Alberto Moraga-Fernández
- Health and Biotechnology Research Group (SaBio). Institute for Game and Wildlife Research, IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain
| | - Clara Muñoz-Hernández
- Health and Biotechnology Research Group (SaBio). Institute for Game and Wildlife Research, IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain; Department of Animal Health, Faculty of Veterinary Sciences, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain.
| | - Marta Sánchez-Sánchez
- Health and Biotechnology Research Group (SaBio). Institute for Game and Wildlife Research, IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain
| | - Isabel G Fernández de Mera
- Health and Biotechnology Research Group (SaBio). Institute for Game and Wildlife Research, IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain
| | - José de la Fuente
- Health and Biotechnology Research Group (SaBio). Institute for Game and Wildlife Research, IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain; Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078, USA
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Lesiczka PM, Myśliwy I, Buńkowska-Gawlik K, Modrý D, Hrazdilová K, Hildebrand J, Perec-Matysiak A. Circulation of Anaplasma phagocytophilum among invasive and native carnivore species living in sympatry in Poland. Parasit Vectors 2023; 16:368. [PMID: 37853498 PMCID: PMC10583402 DOI: 10.1186/s13071-023-05996-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 10/04/2023] [Indexed: 10/20/2023] Open
Abstract
BACKGROUND Anaplasma phagocytophilum is characterized by a worldwide distribution and distinguished from other Anaplasmataceae by the broadest range of mammalian hosts and high genetic diversity. The role carnivores play in the life cycle of A. phagocytophilum in Europe is uncertain. Currently, only the red fox is considered a suitable reservoir host. In this study, we focused on native and invasive medium-sized carnivore species that live in sympatry and represent the most abundant species of wild carnivores in Poland. METHODS A total of 275 individual spleen samples from six carnivore species (Vulpes vulpes, Meles meles, Procyon lotor, Nyctereutes procyonoides and Martes spp.) were screened combining nested PCR and sequencing for A. phagocytophilum targeting a partial groEL gene with subsequent phylogenetic analysis inferred by the maximum likelihood method. RESULTS The DNA of A. phagocytophilum was detected in 16 of 275 individuals (5.8%). Eight unique genetic variants of A. phagocytophilum were obtained. All detected haplotypes clustered in the clade representing European ecotype I. Three variants belonged to the subclade with European human cases together with strains from dogs, foxes, cats, and wild boars. CONCLUSIONS While carnivores might have a restricted role in the dissemination of A. phagocytophilum due to their relatively low to moderate infection rates, they hold significance as hosts for ticks. Consequently, they could contribute to the transmission of tick-borne infections to humans indirectly, primarily through tick infection. This underscores the potential risk of urbanization for the A. phagocytophilum life cycle, further emphasizing the need for comprehensive understanding of its ecological dynamics.
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Affiliation(s)
- Paulina Maria Lesiczka
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic.
| | - Izabella Myśliwy
- Department of Parasitology, Faculty of Biological Sciences, University of Wrocław, Wrocław, Poland
| | | | - David Modrý
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Kristýna Hrazdilová
- Faculty of Medicine in Pilsen, Biomedical Center, Pilsen, Czech Republic
- Department of Chemistry and Biochemistry, Mendel University, Brno, Czech Republic
| | - Joanna Hildebrand
- Department of Parasitology, Faculty of Biological Sciences, University of Wrocław, Wrocław, Poland
| | - Agnieszka Perec-Matysiak
- Department of Parasitology, Faculty of Biological Sciences, University of Wrocław, Wrocław, Poland
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23
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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: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [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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24
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Kruppenbacher AS, Müller E, Aardema ML, Schäfer I, von Loewenich FD. Granulocytic anaplasmosis in cats from central Europe and molecular characterization of feline Anaplasma phagocytophilum strains by ankA gene, groEL gene and multilocus sequence typing. Parasit Vectors 2023; 16:348. [PMID: 37803346 PMCID: PMC10557162 DOI: 10.1186/s13071-023-05954-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/28/2023] [Indexed: 10/08/2023] Open
Abstract
BACKGROUND Anaplasma phagocytophilum is a Gram-negative obligate intracellular bacterium that replicates in neutrophil granulocytes. It is transmitted by ticks of the Ixodes ricinus complex and causes febrile illness called granulocytic anaplasmosis primarily in humans, horses, dogs, sheep, cattle and goats. In comparison, clinically apparent disease has been described rarely in cats especially compared to dogs and horses. It is currently unknown whether cats are less susceptible to A. phagocytophilum or whether granulocytic anaplasmosis might be underdiagnosed in cats. METHODS To address this question, we examined clinical signs and laboratory findings in seven A. phagocytophilum infected cats from Germany and Switzerland. We then genetically characterized feline A. phagocytophilum strains and compared them to those from other hosts showing clinically apparent disease. For this purpose, ankA-based, groEL-based and multilocus sequence typing (MLST) were applied. Furthermore, the concordance between these typing methods was assessed. RESULTS Fever, lethargy and anorexia were the most common clinical signs in cats suffering from granulocytic anaplasmosis. The most frequent laboratory finding was thrombocytopenia. All three typing methods consistently indicated that the A. phagocytophilum strains found infecting cats are the same as those that cause disease in humans, dogs and horses. In general, the three typing methods applied exhibited high concordance. CONCLUSIONS The genetic characterization of the feline A. phagocytophilum strains indicates that strain divergence is not the explanation for the fact that granulocytic anaplasmosis is much less frequently diagnosed in cats than in dogs and horses. Otherwise, it may be possible that cats are less susceptible to the same strains than dogs and horse are. However, due to the unspecific clinical signs, it should be considered that granulocytic anaplasmosis may be under-diagnosed in cats.
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Affiliation(s)
| | | | - Matthew L. Aardema
- Department of Biology, Montclair State University, Montclair, NJ USA
- Institute for Comparative Genomics, American Museum of Natural History, New York, NY USA
| | - Ingo Schäfer
- LABOKLIN GmbH and Co. KG, Bad Kissingen, Germany
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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] [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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26
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Foughali AA, Mhadhbi M, Amairia S, Dhibi M, Bitam I, Boukabache H, Berbar A, Rjeibi MR, Gharbi M. Cattle co-infection patterns by hemopathogens and their phylogenetic analysis during the tick season in Constantine and Mila, Northeast Algeria. Parasitol Res 2023; 122:2245-2257. [PMID: 37480507 DOI: 10.1007/s00436-023-07916-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 06/27/2023] [Indexed: 07/24/2023]
Abstract
Tropical theileriosis, babesiosis, and anaplasmosis are the most dominant tick-borne infections in North Africa where they cause significant economic losses in ruminants' industry. The aim of the present work was to study infections and co-infection patterns in 66 cattle with clinical signs of piroplasmosis and/or anaplasmosis in two localities, Beni Hamidene and Grarem Gouga, districts of Constantine and Mila (Northeast of Algeria), respectively. This study was conducted between early May and late September during four years 2017, 2018, 2020, and 2021. PCR showed that the most frequent pathogen in cattle with clinical signs of piroplasmosis and/or anaplasmosis was Theileria annulata (66/66; 100%) followed by Babesia bovis (21/66; 31.8%), Anaplasma marginale (15/66; 22.7%), and Babesia bigemina (3/66; 4.5%) (p < 0.001). Giemsa-stained blood smears examinations revealed that 66.7% (44/66); 10.6% (7/66); and 9.1% (6/66) of cattle were infected by T. annulata, Babesia spp., and A. marginale, respectively (p < 0.001). PCR revealed seven co-infection patterns: T. annulata/A. marginale (15/66; 22.7%), T. annulata/B. bovis (21/66; 31.8%), T. annulata/B. bigemina (3/66; 4.5%), T. annulata/A. marginale/B. bovis (7/66; 10.6%), T. annulata/B. bovis/B. bigemina (2/66; 3%), T. annulata/A. marginale/B. bigemina (1/66; 1.5%), and T. annulata/A. marginale/B. bigemina/B. bovis (1/66; 1.5%). Phylogenetic analyses showed that T. annulata Tams1 and B. bigemina gp45 sequences were identical to isolates from Mauritania and South Africa, respectively. The three A. marginale amplicons obtained herein had 99.63 to 99.88% similarity between them. This study provides data that can be used to improve control programs targeting these cattle hemopathogens.
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Affiliation(s)
- Asma Amina Foughali
- Laboratoire de Biodiversité Et Environnement: Interactions Et Génomes, Université Des Sciences et de la Technologie Houari Boumédiène, BP 32 Bab Zouar, 1611, Algiers, Algeria.
- Institut Des Sciences Vétérinaires, Université de Blida 1, BP 270, Ouled Yaich, 9000 Blida, Algeria.
| | - Moez Mhadhbi
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
| | - Safa Amairia
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
| | - Mokhtar Dhibi
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
| | - Idir Bitam
- Laboratoire de Biodiversité Et Environnement: Interactions Et Génomes, Université Des Sciences et de la Technologie Houari Boumédiène, BP 32 Bab Zouar, 1611, Algiers, Algeria
- École Supérieure en Sciences de l'Aliment et des Industries Agroalimentaires (ESSAIA), El Harrach, Algiers, Algeria
| | - Hadjer Boukabache
- Laboratoire de l'Environnement, Santé et Productions Animales (LESPA), Institut des Sciences Vétérinaires et des Sciences Agronomiques, Université de Batna 1-El-Hadj Lakhdar, 05000, Batna, Algeria
| | - Ali Berbar
- Laboratoire des Biotechnologies Liées à la Reproduction Animale (LBRA), Université, Blida 1, Blida, Algeria
| | - Mohamed Ridha Rjeibi
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
- Laboratoire de Parasitologie, Institut de La Recherche Vétérinaire de Tunisie, Univ. Tunis El Manar, 20 Rue de Jebel Lakdhar, La Rabta, 1006, Tunis, Tunisia
| | - Mohamed Gharbi
- Laboratoire de Parasitologie. Institution de la Recherche et de L'Enseignement Supérieur Agricoles & Univ. Manouba, École Nationale de Médecine Vétérinaire de Sidi Thabet, 2020, Sidi Thabet, Tunisia
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27
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Lin ZT, Du LF, Zhang MZ, Han XY, Wang BH, Meng J, Yu FX, Zhou XQ, Wang N, Li C, Wang XY, Liu J, Gao WY, Ye RZ, Xia LY, Sun Y, Jia N, Jiang JF, Zhao L, Cui XM, Zhan L, Cao WC. Genomic Characteristics of Emerging Intraerythrocytic Anaplasma capra and High Prevalence in Goats, China. Emerg Infect Dis 2023; 29:1780-1788. [PMID: 37610104 PMCID: PMC10461651 DOI: 10.3201/eid2909.230131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023] Open
Abstract
Anaplasma capra is an emerging tickborne human pathogen initially recognized in China in 2015; it has been reported in ticks and in a wide range of domestic and wild animals worldwide. We describe whole-genome sequences of 2 A. capra strains from metagenomic sequencing of purified erythrocytes from infected goats in China. The genome of A. capra was the smallest among members of the genus Anaplasma. The genomes of the 2 A. capra strains contained comparable G+C content and numbers of pseudogenes with intraerythrocytic Anaplasma species. The 2 A. capra strains had 54 unique genes. The prevalence of A. capra was high among goats in the 2 endemic areas. Phylogenetic analyses revealed that the A. capra strains detected in this study were basically classified into 2 subclusters with those previously detected in Asia. Our findings clarify details of the genomic characteristics of A. capra and shed light on its genetic diversity.
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Affiliation(s)
- Zhe-Tao Lin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Li-Feng Du
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Ming-Zhu Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Xiao-Yu Han
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Bai-Hui Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Jiao Meng
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Fu-Xun Yu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Xiao-Quan Zhou
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Ning Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Cheng Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Xiao-Yang Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Jing Liu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Wan-Ying Gao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Run-Ze Ye
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Luo-Yuan Xia
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Yi Sun
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Na Jia
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
| | - Jia-Fu Jiang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China (Z.-T. Lin, L.-F. Du, M.-Z. Zhang, X.-Y. Han, Y. Sun, N. Jia, J.-F. Jiang, X.-M. Cui, W.-C. Cao)
- Institute of EcoHealth, School of Public Health, Shandong University, Jinan, China (L.-F. Du, M.-Z. Zhang, B.-H. Wang, N. Wang, C. Li, X.-Y. Wang, J. Liu, W.-Y. Gao, R.-Z. Ye, L.-Y. Xia, L. Zhao)
- National Health Commission Key Laboratory of Pulmonary Immunological Diseases, Guizhou Provincial People’s Hospital, Guiyang, China (J. Meng, F.-X. Yu, L. Zhan)
- Guizhou Provincial Blood Center, Guiyang (X.-Q. Zhou)
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Aardema ML. Genomic analyses indicate the North American Ap-ha variant of the tick-vectored bacterium Anaplasma phagocytophilum was introduced from Europe. Parasit Vectors 2023; 16:301. [PMID: 37641117 PMCID: PMC10463431 DOI: 10.1186/s13071-023-05914-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/05/2023] [Indexed: 08/31/2023] Open
Abstract
BACKGROUND Anaplasma phagocytophilum is a tick-vectored, obligately intracellular bacterium that infects a diversity of vertebrate hosts. In North America, the Ap-ha variant of A. phagocytophilum can cause dangerous infections in humans, whereas symptomatic human infections in Europe are rare. Conversely, the European host-generalist ecotype of A. phagocytophilum frequently causes illness in domestic ruminants while no comparable infections have been recorded from North America. Despite these differences in pathogenicity, the Ap-ha variant is closely aligned phylogenetically with the European host-generalist ecotype. Furthermore, North American populations of A. phagocytophilum are less genetically diverse than those in Europe. Taken together, these observations suggest that the North American Ap-ha variant may represent an introduced population of this bacterium. METHODS Data from publicly available whole genomes of A. phagocytophilum were used to compare phylogeographic patterns and the extent of genetic divergence between the North American Ap-ha variant and the European host-generalist ecotype. RESULTS The results confirm that North American Ap-ha samples are phylogenetically nested within the diversity of the European host-generalist ecotype, and that Ap-ha likely radiated within the last 100 years. As expected, the Ap-ha variant also exhibited relatively low genetic diversity levels compared to the European host-generalist ecotype. Finally, North American Ap-ha harbored significantly more derived alleles than the European host-generalist A. phagocytophilum population. CONCLUSIONS Collectively, these results support the hypothesis that the Ap-ha variant was recently introduced to North America from Europe and underwent a strong genetic bottleneck during this process (i.e. a 'founder event'). Adaptation to novel vectors may have also played a role in shaping genetic diversity and divergence patterns in these pathogenic bacteria. These findings have implications for future studies aimed at understanding evolutionary patterns and pathogenicity variation within A. phagocytophilum.
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Affiliation(s)
- Matthew L Aardema
- Department of Biology, Montclair State University, Montclair, NJ, USA.
- Institute for Comparative Genomics, American Museum of Natural History, New York, NY, USA.
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Fröhlich J, Fischer S, Bauer B, Hamel D, Kohn B, Ahlers M, Obiegala A, Overzier E, Pfeffer M, Pfister K, Răileanu C, Rehbein S, Skuballa J, Silaghi C. Host-pathogen associations revealed by genotyping of European strains of Anaplasma phagocytophilum to describe natural endemic cycles. Parasit Vectors 2023; 16:289. [PMID: 37587504 PMCID: PMC10433637 DOI: 10.1186/s13071-023-05900-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/27/2023] [Indexed: 08/18/2023] Open
Abstract
BACKGROUND The zoonotic intracellular alpha-proteobacterium Anaplasma phagocytophilum is a tick-transmitted pathogen. The associations between vertebrate reservoirs and vectors are described as wide-ranging, and it was previously shown that the pathogenicity of A. phagocytophilum differs depending on the combination of pathogen variant and infected host species. This leads to the question of whether there are variations in particular gene loci associated with different virulence. Therefore, this study aims at clarifying existing host-variant combinations and detecting possible reservoir hosts. To understand these interactions, a complex toolset for molecular epidemiology, phylogeny and network theory was applied. METHODS Sequences of up to four gene loci (msp4, msp2, groEL and 16S rRNA) were evaluated for different isolates from variable host species, including, for example, dogs, cattle and deer. Variant typing was conducted for each gene locus individually, and combinations of different gene loci were analysed to gain more detailed information about the genetic plasticity of A. phagocytophilum. Results were displayed as minimum spanning nets and correlation nets. RESULTS The highest diversity of variants for all gene loci was observed in roe deer. In cattle, a reduced number of variants for 16S rRNA [only 16S-20(W) and 16S-22(Y)] but multiple variants of msp4 and groEL were found. For dogs, two msp4 variants [m4-20 and m4-2(B/C)] were found to be linked to different variants of the other three gene loci, creating two main combinations of gene loci variants. Cattle are placed centrally in the minimum spanning net analyses, indicating a crucial role in the transmission cycles by possibly bridging the vector-wildlife cycle to infections of humans and domestic animals. The minimum spanning nets confirmed previously described epidemiological cycles of the bacterium in Europe, showing separation of variants originating from wildlife animals only and a set of variants shared by wild and domestic animals. CONCLUSIONS In this comprehensive study of 1280 sequences, we found a high number of gene variants only occurring in specific hosts. Additionally, different hosts show unique but also shared variant combinations. The use of our four gene loci expand the knowledge of host-pathogen interactions and may be a starting point to predict future spread and infection risks of A. phagocytophilum in Europe.
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Affiliation(s)
- Julia Fröhlich
- Comparative Tropical Medicine and Parasitology, Ludwig-Maximilians-Universität München, Leopoldstrasse 5, 80802 Munich, Germany
| | - Susanne Fischer
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17943 Greifswald-Insel Riems, Germany
| | - Benjamin Bauer
- Clinic for Swine and Small Ruminants, Forensic Medicine and Ambulatory Service, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173 Hannover, Germany
| | - Dietmar Hamel
- Boehringer Ingelheim Vetmedica GmbH, Kathrinenhof Research Center, Walchenseestr. 8-12, 83101 Rohrdorf, Germany
| | - Barbara Kohn
- Clinic for Small Animals, Department of Veterinary Medicine, Freie Universität Berlin, Oertzenweg 19B, 14163 Berlin, Germany
| | - Marion Ahlers
- agro prax GmbH, Werner-von-Siemens-Str. 2, 49577 Ankum, Germany
| | - Anna Obiegala
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
| | - Evelyn Overzier
- Comparative Tropical Medicine and Parasitology, Ludwig-Maximilians-Universität München, Leopoldstrasse 5, 80802 Munich, Germany
| | - Martin Pfeffer
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
| | - Kurt Pfister
- Comparative Tropical Medicine and Parasitology, Ludwig-Maximilians-Universität München, Leopoldstrasse 5, 80802 Munich, Germany
| | - Cristian Răileanu
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17943 Greifswald-Insel Riems, Germany
| | - Steffen Rehbein
- Boehringer Ingelheim Vetmedica GmbH, Kathrinenhof Research Center, Walchenseestr. 8-12, 83101 Rohrdorf, Germany
| | - Jasmin Skuballa
- Chemical and Veterinary Investigations Office Karlsruhe (CVUA Karlsruhe), Weissenburger Str. 3, 76187 Karlsruhe, Germany
| | - Cornelia Silaghi
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17943 Greifswald-Insel Riems, Germany
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Apaa TT, McFadzean H, Gandy S, Hansford K, Medlock J, Johnson N. Anaplasma phagocytophilum Ecotype Analysis in Cattle from Great Britain. Pathogens 2023; 12:1029. [PMID: 37623989 PMCID: PMC10459425 DOI: 10.3390/pathogens12081029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/22/2023] [Accepted: 08/07/2023] [Indexed: 08/26/2023] Open
Abstract
Anaplasma phagocytophilum (A. phagocytophilum) is the aetiological agent of tick-borne fever in cattle and sheep, and granulocytic anaplasmosis in human and dogs. Livestock, companion animal and human infections with A. phagocytophilum have been reported globally. Across England and Wales, two isolates (called ecotypes) have been reported in ticks. This study examined A. phagocytophilum isolates present in livestock and wildlife in Great Britain (GB), with a particular focus on cattle. Clinical submissions (EDTA blood) from cattle (n = 21) and sheep (n = 3) were received by APHA for tick-borne disease testing and the animals were confirmed to be infected with A. phagocytophilum using a PCR targeting the Msp2 gene. Further submissions from roe deer (n = 2), red deer (n = 2) and Ixodes ricinus ticks (n = 22) were also shown to be infected with A. phagocytophilum. Subsequent analysis using a nested PCR targeting the groEL gene and sequencing confirmed the presence of ecotype I in cattle, sheep, red deer and Ixodes ricinus, and ecotype II in roe deer and I. ricinus removed from deer carcasses. Despite the presence of two ecotypes, widely distributed in ticks from England and Wales, only ecotype I was detected in cattle in this study.
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Affiliation(s)
- Ternenge Thaddaeus Apaa
- Vector Borne Diseases, Virology Department, Animal and Plant Health Agency, Woodham Lane, Addlestone KT15 3NB, UK
| | - Harriet McFadzean
- Animal and Plant Health Agency, Staplake Mount, Starcross, Exeter EX6 8PE, UK
| | - Sara Gandy
- Medical Entomology & Zoonoses, UK Health Security Agency, Porton Down, Salisbury SP4 0JG, UK
| | - Kayleigh Hansford
- Medical Entomology & Zoonoses, UK Health Security Agency, Porton Down, Salisbury SP4 0JG, UK
| | - Jolyon Medlock
- Medical Entomology & Zoonoses, UK Health Security Agency, Porton Down, Salisbury SP4 0JG, UK
| | - Nicholas Johnson
- Vector Borne Diseases, Virology Department, Animal and Plant Health Agency, Woodham Lane, Addlestone KT15 3NB, UK
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Cândido SL, de Assis Pereira N, de Oliveira Rosa Fonseca MJ, de Campos Pacheco R, Morgado TO, Colodel EM, Nakazato L, Dutra V, Vieira TSWJ, de Aguiar DM. Molecular detection and genetic characterization of Ehrlichia canis and Ehrlichia sp. in neotropical primates from Brazil. Ticks Tick Borne Dis 2023; 14:102179. [PMID: 36989601 DOI: 10.1016/j.ttbdis.2023.102179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023]
Abstract
The Anaplasmataceae family includes obligate, arthropod-transmitted intracellular bacteria that can be zoonotic and potentially fatal. Studies focusing on the interaction between neotropical primates and the agents of this family are scarce. The present study aimed to identify agents of the Anaplasmataceae family in the whole blood of free-living and captive neotropical primates in the State of Mato Grosso, Central-West Brazil. Thirty-eight samples of six nonhuman primate (NHP) species were collected in seven municipalities and analysed through polymerase chain reaction (PCR), nucleotide sequencing, and phylogenetic analysis of the dsb, groEL, 16S rRNA, and gltA genes. DNA fragments similar to those of Ehrlichia canis were detected in Sapajus apella and Ehrlichia chaffeensis from Mico melanurus. The sequences generated in this study and homologous sequences retrieved from GenBank® were used for phylogenetic analyses to characterize the Ehrlichial agents detected in NHPs. The agents were then grouped into clades corresponding to different isolates from the NHP species. In addition, an Anaplasma sp. closely related to Anaplasma marginale was identified in two S. apella individuals. These findings shed light on the susceptibility of neotropical NHPs to Anaplasmataceae agents. These bacteria are known to be transmitted by ticks, which can also serve as possible sources of infection for other animals, including humans.
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Affiliation(s)
- Stéfhano Luís Cândido
- Veterinary Microbiology and Molecular Biology Laboratory, Faculty of Veterinary Medicine - FAVET, Veterinary Hospital - HOVET, Federal University of Mato Grosso - UFMT, 2367 Fernando Correa Avenue, Cuiabá, MT 78060-900, Brazil
| | - Nathalia de Assis Pereira
- Virology and Rickettsiosis Laboratory, HOVET, FAVET, UFMT, 2367 Fernando Correa Avenue, Cuiabá, MT 78060-900, Brazil
| | | | - Richard de Campos Pacheco
- Laboratory of Veterinary Parasitology and Parasitic Diseases Veterinary Parasitology of Domestic and Wild Animals, HOVET, FAVET, UFMT, 2367 Fernando Correa Avenue, Cuiabá, MT 78060-900, Brazil
| | - Thais Oliveira Morgado
- Wild Animals Sector, HOVET, FAVET, UFMT, 2367 Fernando Correa Avenue, Cuiabá, MT 78060-900, Brazil
| | - Edson Moleta Colodel
- Veterinary Pathology Laboratory, HOVET, FAVET, UFMT, 2367 Fernando Correa Avenue, Cuiabá, MT 78060-900, Brazil
| | - Luciano Nakazato
- Veterinary Microbiology and Molecular Biology Laboratory, Faculty of Veterinary Medicine - FAVET, Veterinary Hospital - HOVET, Federal University of Mato Grosso - UFMT, 2367 Fernando Correa Avenue, Cuiabá, MT 78060-900, Brazil
| | - Valéria Dutra
- Veterinary Microbiology and Molecular Biology Laboratory, Faculty of Veterinary Medicine - FAVET, Veterinary Hospital - HOVET, Federal University of Mato Grosso - UFMT, 2367 Fernando Correa Avenue, Cuiabá, MT 78060-900, Brazil
| | - Thállitha Samih Wischral Jayme Vieira
- Vector-Borne Diseases Laboratory, Department of Veterinary Medicine, Federal University of Paraná - UFPR, 1540 Funcionários Street, Curitiba, PR, 80035-050, Brazil
| | - Daniel Moura de Aguiar
- Virology and Rickettsiosis Laboratory, HOVET, FAVET, UFMT, 2367 Fernando Correa Avenue, Cuiabá, MT 78060-900, Brazil.
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Castro-Santiago AC, Lima-Duarte L, Camargo JV, De Almeida BR, Simons SM, Mathias LA, Bassini-Silva R, Machado RZ, André MR, Barros-Battesti DM. Artificial Feeding of Ornithodoros fonsecai and O. brasiliensis (Acari: Argasidae) and Investigation of the Transstadial Perpetuation of Anaplasma marginale. Microorganisms 2023; 11:1680. [PMID: 37512853 PMCID: PMC10385771 DOI: 10.3390/microorganisms11071680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
Anaplasma marginale is a Gram-negative, obligate intraerythrocytic bacterium that causes bovine anaplasmosis. While hard ticks of the genera Dermacentor and Rhipicephalus can be biological vectors, transmitting this pathogen via saliva during blood meals, blood-sucking insects, and fomites play a role as mechanical vectors. Little is known about the interaction between Anaplasma marginale and Argasidae ticks. Among soft ticks, Ornithodoros fonsecai (Labruna and Venzal) and Ornithodoros brasiliensis Aragão inhabit environments surrounding localities where many cases of bovine anaplasmosis have been reported. Ticks of the species O. fonsecai parasitize bats, while O. brasiliensis can parasitize different vertebrate species. Therefore, the present study aimed to feed third-instar nymphs artificially (N3) of O. fonsecai and O. brasiliensis using blood samples obtained from a calf naturally infected with A. marginale and rabbit blood added to A. marginale-containing bovine erythrocytes, to investigate the ability of these nymphs to acquire, infect and transstadially perpetuate this agent. For the artificial feeding system, adapted chambers and parafilm membranes were used. Nymphs of both tick species were submitted to different replications weighed before and after each feeding. Blood samples and molted ticks were submitted to DNA extraction, quantitative real-time PCR for the msp1β gene to detect A. marginale DNA, while a semi-nested polymerase chain reaction for the msp1α gene was performed for genotyping. Using calf blood naturally infected with A. marginale, among the three artificial feeding replications performed with O. fonsecai and O. brasiliensis nymphs, the DNA of A. marginale was detected in both nymphs after 30-50 days of molting. For artificial feeding with rabbit blood added to bovine erythrocytes containing A. marginale, the DNA of this pathogen was also detected in both nymph species. As for the assay for the msp1α gene, strains were found Is9; 78 24-2; 25; 23; α; and β. It was concluded that nymphs (N3) of O. fonsecai and O. brasiliensis could feed artificially through a parafilm membrane using blood from calves and rabbits infected by A. marginale. The DNA of A. marginale was detected in nymphs fed artificially of both tick species studied after molt. However, further studies are needed to confirm transstadial perpetuation in other instars and their host transmission capacity.
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Affiliation(s)
- Ana Carolina Castro-Santiago
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine, University of São Paulo, São Paulo 05508-270, Brazil
| | - Leidiane Lima-Duarte
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine, University of São Paulo, São Paulo 05508-270, Brazil
| | - Jaqueline Valeria Camargo
- Department of Pathology, Reproduction and One Health, Faculty of Agrarian and Veterinary Sciences, Paulista State University, Jaboticabal 14884-900, Brazil
| | - Beatriz Rocha De Almeida
- Department of Pathology, Reproduction and One Health, Faculty of Agrarian and Veterinary Sciences, Paulista State University, Jaboticabal 14884-900, Brazil
| | | | - Luis Antonio Mathias
- Department of Pathology, Reproduction and One Health, Faculty of Agrarian and Veterinary Sciences, Paulista State University, Jaboticabal 14884-900, Brazil
| | - Ricardo Bassini-Silva
- Department of Pathology, Reproduction and One Health, Faculty of Agrarian and Veterinary Sciences, Paulista State University, Jaboticabal 14884-900, Brazil
| | - Rosangela Zacarias Machado
- Department of Pathology, Reproduction and One Health, Faculty of Agrarian and Veterinary Sciences, Paulista State University, Jaboticabal 14884-900, Brazil
| | - Marcos Rogério André
- Department of Pathology, Reproduction and One Health, Faculty of Agrarian and Veterinary Sciences, Paulista State University, Jaboticabal 14884-900, Brazil
| | - Darci Moraes Barros-Battesti
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine, University of São Paulo, São Paulo 05508-270, Brazil
- Department of Pathology, Reproduction and One Health, Faculty of Agrarian and Veterinary Sciences, Paulista State University, Jaboticabal 14884-900, Brazil
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Sahin OF, Erol U, Duzlu O, Altay K. Molecular survey of Anaplasma phagocytophilum and related variants in water buffaloes: The first detection of Anaplasma phagocytophilum-like 1. Comp Immunol Microbiol Infect Dis 2023; 98:102004. [PMID: 37356166 DOI: 10.1016/j.cimid.2023.102004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/05/2023] [Accepted: 06/12/2023] [Indexed: 06/27/2023]
Abstract
Anaplasma phagocytophilum infects various hosts and lead to mild to severe infection. Currently, two A.phagocytophilum-related variants have been documented in different countries. Although limited, there are studies revealing the presence of A.phagocytophilum in water buffaloes, but no study investigating A.phagocytophilum-like 1 and -like 2. A.phagocytophilum and related variants were investigated using PCR, PCR-RFLP, and DNA sequence analysis in water buffaloes in Türkiye. 364 buffalo blood samples were examined for A.phagocytophilum and related strains. Seven buffaloes were determined to be positive with PCR and PCR-RFLP revealed that all samples were A.phagocytophilum-like 1. According to the partial sequence of 16 S rRNA gene, A.phagocytophilum like-1 may split into two different variants. This work supplies the first molecular report of A.phagocytophilum-like 1 in water buffaloes. However, a lack of information is present on the pathogen's clinical manifestations and vector species. There is still a need to investigate vectors and clinical signs of the pathogen.
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Affiliation(s)
- Omer Faruk Sahin
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140 Sivas, Turkey
| | - Ufuk Erol
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140 Sivas, Turkey
| | - Onder Duzlu
- Department of Parasitology, Faculty of Veterinary Medicine, Erciyes University, 38090 Kayseri, Turkey
| | - Kursat Altay
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140 Sivas, Turkey.
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Aldujaily AH, Ameer NAHA, Abeed SA. Hematobiochemical, serological, and molecular detection of Anaplasma marginale in dromedary camels ( Camelus dromedarius) in Al-Najaf desert, Iraq. Vet World 2023; 16:1340-1345. [PMID: 37577195 PMCID: PMC10421545 DOI: 10.14202/vetworld.2023.1340-1345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 05/24/2023] [Indexed: 08/15/2023] Open
Abstract
Background and Aim Anaplasmosis, an underestimated disease transmitted by ticks, is widespread in ruminants, such as the Arabian camel (dromedary camel). This study aimed to examine the presence of Anaplasma marginale in dromedary camels in the Al-Hiadyia region of the Al-Najaf desert, Iraq, using serological and molecular tests. Moreover, hematological and biochemical changes in infected animals were compared with those in healthy controls. Materials and Methods The study was conducted on 30 healthy and 260 infected camels with severe anemia, pale mucus membranes, and progressive emaciation to investigate antibodies against A. marginale using indirect enzyme-linked immunosorbent assay, followed by polymerase chain reaction for selected positive samples targeting a specific region of A. marginale major surface protein 5 (MSP5). In addition, hematological and biochemical parameters were measured to indicate the effect of the disease on blood profile, mineral status, and liver and kidney functions. Results Enzyme-linked immunosorbent assay analysis and microscopic examination revealed that 115/260 (44.23%) and 87 (33.46%) camels were positive for Anaplasma spp., respectively. The MSP5 gene, which is unique to A. marginale, was amplified. The results of hematological analysis indicated a significant decrease in total red blood cells, hemoglobin, and packed cell volume and a significant increase in mean corpuscular volume in infected camels, but no difference in mean corpuscular hemoglobin concentration. Moreover, there was a significant increase in total white blood cells count, lymphocytes, erythrocyte sedimentation rate, and platelets. The results of biochemical analysis indicated a significant increase in the levels of aspartate aminotransferase, alanine aminotransferase, and alkaline phosphatase, blood urea nitrogen, creatinine, and iron and a decrease in copper in infected camels. Cholesterol and triglyceride showed no significant variations between healthy and diseased camels. Conclusion To the best of our knowledge, this is the first molecular study to demonstrate the presence of A. marginale in dromedary camels in Iraq. The MSP5 gene is a valuable and unique diagnostic target for identifying A. marginale.
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Affiliation(s)
- Ali Hussein Aldujaily
- Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine, University of Kufa, Kufa, Al-Najaf, Iraq
| | | | - Shatha Atta Abeed
- Department of Animal Production, Al-Furat Al-Awsat Technical University, Kufa Technical Institute, Kufa, Al-Najaf, Iraq
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Riffaud CM, Rucks EA, Ouellette SP. Persistence of obligate intracellular pathogens: alternative strategies to overcome host-specific stresses. Front Cell Infect Microbiol 2023; 13:1185571. [PMID: 37284502 PMCID: PMC10239878 DOI: 10.3389/fcimb.2023.1185571] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/05/2023] [Indexed: 06/08/2023] Open
Abstract
In adapting to the intracellular niche, obligate intracellular bacteria usually undergo a reduction of genome size by eliminating genes not needed for intracellular survival. These losses can include, for example, genes involved in nutrient anabolic pathways or in stress response. Living inside a host cell offers a stable environment where intracellular bacteria can limit their exposure to extracellular effectors of the immune system and modulate or outright inhibit intracellular defense mechanisms. However, highlighting an area of vulnerability, these pathogens are dependent on the host cell for nutrients and are very sensitive to conditions that limit nutrient availability. Persistence is a common response shared by evolutionarily divergent bacteria to survive adverse conditions like nutrient deprivation. Development of persistence usually compromises successful antibiotic therapy of bacterial infections and is associated with chronic infections and long-term sequelae for the patients. During persistence, obligate intracellular pathogens are viable but not growing inside their host cell. They can survive for a long period of time such that, when the inducing stress is removed, reactivation of their growth cycles resumes. Given their reduced coding capacity, intracellular bacteria have adapted different response mechanisms. This review gives an overview of the strategies used by the obligate intracellular bacteria, where known, which, unlike model organisms such as E. coli, often lack toxin-antitoxin systems and the stringent response that have been linked to a persister phenotype and amino acid starvation states, respectively.
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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] [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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Sun J, Liu H, Yao XY, Zhang YQ, Lv ZH, Shao JW. Circulation of four species of Anaplasmataceae bacteria in ticks in Harbin, northeastern China. Ticks Tick Borne Dis 2023; 14:102136. [PMID: 36736131 DOI: 10.1016/j.ttbdis.2023.102136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 01/22/2023] [Accepted: 01/25/2023] [Indexed: 02/04/2023]
Abstract
Ticks play an important role in the evolution and transmission of Anaplasmataceae bacteria which are agents of emerging infectious diseases. In this study, a total of 1286 adult ticks belonging to five species were collected from cattle, goats, horses and vegetation in Harbin area, Heilongjiang province, northeastern China. The tick-borne Anaplasmataceae bacteria were identified by amplifying and sequencing the 16S rRNA (rrs) and heat shock protein-60 encoding (groEL) genes. The results showed that Ixodes persulcatus was dominant (38.8%, 499/1283) among the five tick species, and Anaplasmataceae bacteria were detected in all tick species with an overall prevalence of 7.4%. Four species of Anaplasmataceae bacteria (Anaplasma phagocytophilum, Anaplasma ovis, Anaplasma bovis, and "Candidatus Neoehrlichia mikurensis"), which are pathogenic to humans and/or animals, were identified from tick samples by phylogenetic analyzes of the rrs and groEL gene sequences. Interestingly, the cluster 1 strains were first identified in Asian, and a novel cluster was also detected in this study. These data revealed the genetic diversity of Anaplasmataceae bacteria circulating in ticks in Harbin area, highlighting the need to investigate these tick-borne pathogens and their risks to human and animal health.
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Affiliation(s)
- Jing Sun
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong Province, China
| | - Hong Liu
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong Province, China
| | - Xin-Yan Yao
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong Province, China
| | - Yu-Qian Zhang
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong Province, China
| | - Zhi-Hang Lv
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong Province, China
| | - Jian-Wei Shao
- School of Life Science and Engineering, Foshan University, Foshan, Guangdong Province, China.
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Ulucesme MC, Ozubek S, Aktas M. Molecular Prevalence and Genetic Diversity Based on Msp1a Gene of Anaplasma ovis in Goats from Türkiye. Life (Basel) 2023; 13:life13051101. [PMID: 37240746 DOI: 10.3390/life13051101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/30/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023] Open
Abstract
Anaplasma ovis is a tick-borne obligated intraerythrocytic bacterium that infects domestic sheep, goats, and wild ruminants. Recently, several studies have been carried out using 16S rRNA and msp4 genes to identify the genetic diversity of A. ovis. Instead of these genes, which are known to be highly stable among heterologous strains, Msp1a, which is accepted as a stable molecular marker to classify A. marginale strains, was used in A. ovis genetic diversity studies. The genetic diversity of A. ovis strains according to the Msp1a gene has not been extensively reported. Therefore, the purpose of this study was to examine the genetic diversity of A. ovis in goats specifically using analysis of the Msp1a gene. Blood samples were taken from the vena jugularis to the EDTA tubes from 293 randomly selected goats (apparently healthy) in the Antalya and Mersin provinces of Mediterranean region of Türkiye. The Msp1a gene of A. ovis was amplified in all DNA samples through the use of PCR, using a specific set of primers named AoMsp1aF and AoMsp1aR. Among the amplified products, well-defined bands with different band sizes were subjected to sequence analysis. The obtained sequence data were converted into amino acid sequences using an online bioinformatics program and the tandem regions were examined. The Msp1a gene of A. ovis was amplified in 46.1% (135 out of 293) of the goats. Through tandem analysis, five distinct tandems (Ao8, Ao18, Tr15-16-17) were identified, and it was found that three of these tandems (Tr15-16-17) were previously unknown and were therefore defined as new tandems. The study also involved examination of ticks from goats. It was observed that the goats in the area were infested with several tick species, including Rhipicephalus bursa (888/1091, 81.4%), R. turanicus (96/1091, 8.8%), Dermacentor raskemensis (92/1091, 8.4%), Hyalomma marginatum (9/1091, 0.8%), and R. sanguineus s.l. (6/1091, 0.5%). This study provides important data for understanding the genetic diversity and evolution of A. ovis based on tandem repeats in the Msp1a protein.
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Affiliation(s)
- Mehmet Can Ulucesme
- Department of Parasitology, Faculty of Veterinary Medicine, University of Firat, Elazig 23119, Türkiye
| | - Sezayi Ozubek
- Department of Parasitology, Faculty of Veterinary Medicine, University of Firat, Elazig 23119, Türkiye
| | - Munir Aktas
- Department of Parasitology, Faculty of Veterinary Medicine, University of Firat, Elazig 23119, Türkiye
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Sebastian PS, Panizza MNM, Ríos IJMG, Tarragona EL, Trova GB, Negrette OS, Primo ME, Nava S. Molecular detection and phylogenetic analysis of Anaplasma platys-like and Candidatus Anaplasma boleense strains from Argentina. Comp Immunol Microbiol Infect Dis 2023; 96:101980. [PMID: 37079984 DOI: 10.1016/j.cimid.2023.101980] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 04/22/2023]
Abstract
The present study aimed at the molecular detection of Anaplasma spp. in different samples obtained from cattle, goats and free-living Rhipicephalus microplus ticks from Argentina. DNA of members of the Anaplasmataceae family was detected by different PCR assays. The phylogenetic analyses of the obtained partial DNA sequences of the 16 S rDNA gene resulted in the identification of two different Anaplasma spp.: (I) Anaplasma platys-like bacteria (in blood sample from cattle and pools of R. microplus larvae and (II) Candidatus Anaplasma boleense (in blood samples from goats and one pool of R. microplus larvae of R. microplus). Candidatus A. boleense was found in two provinces that belong to different biogeographic regions, which leads to the conclusion that this bacterium may be widely distributed in Argentina. Interestingly, both Anaplasma spp. were found in the same R. microplus population in Chaco province, indicating that these two strains of Anaplasma are circulating in the same tick population. The results of this work represent the first report of the circulation of A. platys-like bacteria and Ca. A. boleense in domestic ruminants and free-living R. microplus ticks in Argentina. Further studies to determine the prevalence of infection, dispersion, clinical impact, transmission routes and cross-reactivity in serological tests of both Anaplasma species are needed.
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Affiliation(s)
- Patrick Stephan Sebastian
- Instituto de Investigación de la Cadena Láctea (IdICaL) CONICET - INTA, Ruta 34 km 227, CP: 2300 Rafaela, Santa Fe, Argentina.
| | - Matilde Nahime Mazzucco Panizza
- Instituto de Investigación de la Cadena Láctea (IdICaL) CONICET - INTA, Ruta 34 km 227, CP: 2300 Rafaela, Santa Fe, Argentina
| | - Ignacio José María García Ríos
- Facultad de Ciencias Agrarias y Veterinarias, Universidad Católica de Salta (UCASAL) and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Campo Castañares, CP: 4400, Salta, Argentina
| | - Evelina Luisa Tarragona
- Instituto de Investigación de la Cadena Láctea (IdICaL) CONICET - INTA, Ruta 34 km 227, CP: 2300 Rafaela, Santa Fe, Argentina
| | - Gabriela Beatriz Trova
- Facultad de Ciencias Agrarias y Veterinarias, Universidad Católica de Salta (UCASAL) and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Campo Castañares, CP: 4400, Salta, Argentina
| | - Olga Sánchez Negrette
- Facultad de Ciencias Agrarias y Veterinarias, Universidad Católica de Salta (UCASAL) and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Campo Castañares, CP: 4400, Salta, Argentina
| | - María Evangelina Primo
- Instituto de Investigación de la Cadena Láctea (IdICaL) CONICET - INTA, Ruta 34 km 227, CP: 2300 Rafaela, Santa Fe, 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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Mwale R, Mulavu M, Khumalo CS, Mukubesa A, Nalubamba K, Mubemba B, Changula K, Simulundu E, Chitanga S, Namangala B, Mataa L, Zulu VC, Munyeme M, Muleya W. Molecular detection and characterization of Anaplasma spp. in cattle and sable antelope from Lusaka and North-Western provinces of Zambia. Vet Parasitol Reg Stud Reports 2023; 39:100847. [PMID: 36878632 DOI: 10.1016/j.vprsr.2023.100847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 01/29/2023] [Accepted: 02/11/2023] [Indexed: 02/15/2023]
Abstract
Rickettsiales of the genus Anaplasma are globally distributed tick-borne pathogens of animals and humans with complex epidemiological cycles. Anaplasmosis is an important livestock disease in Zambia but its epidemiological information is inadequate. This study aimed to detect and characterize the species of Anaplasma present in domestic and wild ruminants in Zambia with a focus on the infection risk posed by the translocation of sable antelope (Hippotragus niger) from North-Western Province to Lusaka Province. Archived DNA samples (n = 100) extracted from whole blood (sable n = 47, cattle n = 53) were screened for Anaplasmataceae using 16S rRNA partial gene amplification followed by species confirmation using phylogenetic analysis. Out of the 100 samples, Anaplasma species were detected in 7% (4/57) of the cattle and 24% (10/43) of the sable antelope samples. Of the 14 positive samples, five were determined to be A. marginale (four from cattle and one from sable), seven were A. ovis (sable) and two were A. platys (sable). Phylogenetic analysis of the 16S rRNA partial gene sequences revealed genetic proximity between A. ovis and A. marginale, regardless of host. The detection of Anaplasma in wildlife in Zambia shows the risk of transmission of Anaplasma species associated with wildlife translocation.
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Affiliation(s)
- Rhodasi Mwale
- Department of Biomedical Sciences, School of Veterinary Medicine, University of Zambia, P.O Box 32379, Lusaka, Zambia
| | - Malala Mulavu
- Department of Biomedical Sciences, School of Health Sciences, University of Zambia, P.O Box 32379, Lusaka 10101, Zambia
| | - Cynthia Sipho Khumalo
- Department of Biomedical Sciences, School of Veterinary Medicine, University of Zambia, P.O Box 32379, Lusaka, Zambia
| | - Andrew Mukubesa
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, P.O Box 32379, Lusaka, Zambia
| | - King Nalubamba
- Department of Clinical Studies, School of Veterinary Medicine, University of Zambia, P.O Box 32379, Lusaka, Zambia
| | - Benjamin Mubemba
- Department of Wildlife Sciences, School of Natural Resources, Copperbelt University, P.O Box 21692, Kitwe, Zambia
| | - Katendi Changula
- Department of Paraclinical Studies, School of Veterinary Medicine, University of Zambia, P.O. Box 32379, Lusaka 10101, Zambia
| | - Edgar Simulundu
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, P.O Box 32379, Lusaka, Zambia; Macha Research Trust, P.O. Box 630166, Choma, Zambia
| | - Simbarashe Chitanga
- Department of Biomedical Sciences, School of Health Sciences, University of Zambia, P.O Box 32379, Lusaka 10101, Zambia; Department of Preclinical Studies, School of Veterinary Medicine, Faculty of Health Sciences & Veterinary Medicine, University of Namibia, Namibia; School of Life Sciences, College of Agriculture, Engineering & Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Boniface Namangala
- Department of Paraclinical Studies, School of Veterinary Medicine, University of Zambia, P.O. Box 32379, Lusaka 10101, Zambia
| | - Liywali Mataa
- Department of Veterinary Services, Ministry of Fisheries and Livestock, Lusaka 50060, Zambia
| | - Victor Chisha Zulu
- Department of Clinical Studies, School of Veterinary Medicine, University of Zambia, P.O Box 32379, Lusaka, Zambia
| | - Musso Munyeme
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, P.O Box 32379, Lusaka, Zambia
| | - Walter Muleya
- Department of Biomedical Sciences, School of Veterinary Medicine, University of Zambia, P.O Box 32379, Lusaka, Zambia.
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Lesiczka PM, Hrazdilova K, Hönig V, Modrý D, Zurek L. Distant genetic variants of Anaplasma phagocytophilum from Ixodes ricinus attached to people. Parasit Vectors 2023; 16:80. [PMID: 36855167 PMCID: PMC9976488 DOI: 10.1186/s13071-023-05654-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 01/05/2023] [Indexed: 03/02/2023] Open
Abstract
BACKGROUND Although the tick-borne pathogen Anaplasma phagocytophilum is currently described as a single species, studies using genetic markers can distinguish groups of variants associated with different hosts, pathogenicity, zoonotic potential and biotic and geographic niches. The objective of our study was to investigate the genetic diversity of A. phagocytophilum and Ixodes ricinus ticks attached to people. METHODS In collaboration with a commercial diagnostic company, a total of 52 DNA samples were obtained from ticks that tested positive for A. phagocytophilum by quantitative PCR. The genetic profile of each sample was determined using the groEL and ankA genes. Identification of the tick species was confirmed by partial sequencing of the COI subunit and a portion of the TROSPA gene. RESULTS All 52 ticks were identified as I. ricinus. Two protocols of nested PCR amplifying 1293- and 407-bp fragments of groEL of A. phagocytophilum yielded amplicons of the expected size for all 52 samples. Among all sequences, we identified 10 unique genetic variants of groEL belonging to ecotype I and ecotype II. The analysis targeting ankA was successful in 46 of 52 ticks. Among all sequences, we identified 21 unique genetic variants phylogenetically belonging to three clusters. CONCLUSIONS Our results indicate that ticks attached to people harbor distant genetic variants of A. phagocytophilum, some of which are not recognized as zoonotic. Further studies are needed to determine the risk of human infection by genetic variants other than those designated as zoonotic.
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Affiliation(s)
- Paulina Maria Lesiczka
- CEITEC–University of Veterinary Sciences, Brno, Czech Republic ,grid.15866.3c0000 0001 2238 631XDepartment of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic
| | - Kristyna Hrazdilova
- grid.7112.50000000122191520Department of Chemistry and Biochemistry, Mendel University, Brno, Czech Republic ,grid.4491.80000 0004 1937 116XFaculty of Medicine in Pilsen, Biomedical Center, Charles University, Pilsen, Czech Republic
| | - Václav Hönig
- grid.418095.10000 0001 1015 3316Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic
| | - David Modrý
- grid.15866.3c0000 0001 2238 631XDepartment of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic ,grid.418095.10000 0001 1015 3316Biology Centre, Institute of Parasitology, Czech Academy of Sciences, České Budějovice, Czech Republic ,grid.10267.320000 0001 2194 0956Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Ludek Zurek
- CEITEC-University of Veterinary Sciences, Brno, Czech Republic. .,Department of Chemistry and Biochemistry, Mendel University, Brno, Czech Republic. .,Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, Prague, Czech Republic.
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Presence of Anaplasma phagocytophilum Ecotype I in UK Ruminants and Associated Zoonotic Risk. Pathogens 2023; 12:pathogens12020216. [PMID: 36839488 PMCID: PMC9966478 DOI: 10.3390/pathogens12020216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/19/2023] [Accepted: 01/28/2023] [Indexed: 02/03/2023] Open
Abstract
Anaplasma phagocytophilum is the causative agent of tick-borne fever in sheep, pasture fever in cattle, and granulocytic anaplasmosis in humans. The increasing prevalence and transboundary spread of A. phagocytophilum in livestock, ticks, and wildlife in the UK poses a potential zoonotic risk that has yet to be estimated. Several ecotypes of A. phagocytophilum show variable zoonotic potential. To evaluate the possible risk associated with the transmission of A. phagocytophilum from ruminants to humans, the ecotype was determined by sequencing the groEL gene from 71 positive blood and tissue samples from UK ruminants. Thirty-four groEL sequences were obtained, fourteen of which were identified in multiple samples. Of the 13 nucleotide polymorphisms identified through pairwise comparison, all corresponded to synonymous substitutions. The subsequent phylogenetic estimation of the relationship with other European/world isolates indicated that all the groEL sequences clustered with other ecotype I sequences. The presence of ecotype I closely reflects that observed in ruminants in continental Europe and suggests a lower risk of zoonotic transmission from this reservoir.
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Presence of Anaplasma spp. and Their Associated Antibodies in the Swedish Goat Population. Animals (Basel) 2023; 13:ani13030333. [PMID: 36766222 PMCID: PMC9913567 DOI: 10.3390/ani13030333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/05/2023] [Accepted: 01/13/2023] [Indexed: 01/19/2023] Open
Abstract
Anaplasmosis is a tick-borne disease that has a severe impact on livestock production and welfare. The aim of this pilot study was to investigate the presence of Anaplasma spp. and associated antibodies in a subset of the Swedish goat population. In 2020, six goat herds located in different parts of Sweden were visited and whole blood and serum samples were collected. The whole blood samples (n = 40) were analysed for the presence of Anaplasma phagocytophilum, A. ovis and A. capra using quantitative and conventional polymerase chain reaction (PCR). The serum samples (n = 59) were analysed for the presence of antibodies to Anaplasma spp. using a commercial competitive enzyme-linked immunosorbent assay, and the same analysis was carried out on additional serum samples previously collected in 2018, 2019 and 2020 (n = 166). One goat (2.5%) tested positive for the presence of A. phagocytophilum genetic material, while the seropositivity rate ranged from 20 to 71%, depending on the surveyed year and area. These results indicate widespread exposure to Anaplasma spp. in the Swedish goat population. To inform future risk assessments and control efforts, further research is warranted to determine the prevalence of anaplasmosis and its impact on goat farming in Sweden.
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Ouass S, Boulanger N, Lelouvier B, Insonere JLM, Lacroux C, Krief S, Asalu E, Rahola N, Duron O. Diversity and phylogeny of the tick-borne bacterial genus Candidatus Allocryptoplasma (Anaplasmataceae). Parasite 2023; 30:13. [PMID: 37162293 PMCID: PMC10171070 DOI: 10.1051/parasite/2023014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 04/20/2023] [Indexed: 05/11/2023] Open
Abstract
The family Anaplasmataceae includes tick-borne bacteria of major public and veterinary health interest, as best illustrated by members of the genera Anaplasma and Ehrlichia. Recent epidemiological surveys have also reported on the presence of a novel putative genus in the Anaplasmataceae, Candidatus Allocryptoplasma, previously described as Candidatus Cryptoplasma in the western black-legged tick, Ixodes pacificus. However, the genetic diversity of Ca. Allocryptoplasma and its phylogenetic relationship with other Anaplasmataceae remain unclear. In this study, we developed a multi-locus sequence typing approach, examining the DNA sequence variation at five genes of Ca. Allocryptoplasma found in ticks. Combining this multi-locus sequence typing and genetic data available on public databases, we found that substantial genetic diversity of Ca. Allocryptoplasma is present in Ixodes, Amblyomma and Haemaphysalis spp. ticks on most continents. Further analyses confirmed that the Ca. Allocryptoplasma of ticks, the Ca. Allocryptoplasma of lizards and some Anaplasma-like bacteria of wild mice cluster into a monophyletic genus, divergent from all other genera of the family Anaplasmataceae. Candidatus Allocryptoplasma appears as a sister genus of Anaplasma and, with the genera Ehrlichia and Neoehrlichia, they form a monophyletic subgroup of Anaplasmataceae associated with tick-borne diseases. The detection of genetically distinct Ca. Allocryptoplasma in ticks of significant medical or veterinary interest supports the hypothesis that it is an emergent genus of tick-borne pathogens of general concern.
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Affiliation(s)
- Sofian Ouass
- MIVEGEC, University of Montpellier (UM), Centre National de la Recherche Scientifique (CNRS), Institut pour la Recherche de la Développement (IRD), 34394 Montpellier, France
| | - Nathalie Boulanger
- University of Strasbourg, French National Reference Center for Borrelia, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | | | | | - Camille Lacroux
- UMR 7206 CNRS/MNHN/P7, Eco-anthropologie, Muséum National d'Histoire Naturelle, Musée de l'Homme, 17 place du Trocadéro, 75116, Paris, France - La Phocéenne de Cosmétique, ZA Les Roquassiers, 174 Rue de la Forge, 13300 Salon-de-Provence, France - Sebitoli Chimpanzee Project, Great Ape Conservation Project, Kibale National Park, Fort Portal, Uganda
| | - Sabrina Krief
- UMR 7206 CNRS/MNHN/P7, Eco-anthropologie, Muséum National d'Histoire Naturelle, Musée de l'Homme, 17 place du Trocadéro, 75116, Paris, France - Sebitoli Chimpanzee Project, Great Ape Conservation Project, Kibale National Park, Fort Portal, Uganda
| | - Edward Asalu
- Sebitoli Chimpanzee Project, Great Ape Conservation Project, Kibale National Park, Fort Portal, Uganda - Uganda Wildlife Authority, Kibale National Park, Uganda
| | - Nil Rahola
- MIVEGEC, University of Montpellier (UM), Centre National de la Recherche Scientifique (CNRS), Institut pour la Recherche de la Développement (IRD), 34394 Montpellier, France
| | - Olivier Duron
- MIVEGEC, University of Montpellier (UM), Centre National de la Recherche Scientifique (CNRS), Institut pour la Recherche de la Développement (IRD), 34394 Montpellier, France
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Zobba R, Murgia C, Dahmani M, Mediannikov O, Davoust B, Piredda R, Schianchi E, Scagliarini A, Pittau M, Alberti A. Emergence of Anaplasma Species Related to A. phagocytophilum and A. platys in Senegal. Int J Mol Sci 2022; 24:ijms24010035. [PMID: 36613478 PMCID: PMC9820347 DOI: 10.3390/ijms24010035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/14/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
The genus Anaplasma (Anaplasmataceae, Rickettsiales) includes tick-transmitted bacterial species of importance to both veterinary and human medicine. Apart from the traditionally recognized six Anaplasma species (A. phagocytophilum, A. platys, A. bovis, A. ovis, A. centrale, A. marginale), novel strains and candidate species, also of relevance to veterinary and human medicine, are emerging worldwide. Although species related to the zoonotic A. platys and A. phagocytophilum have been reported in several African and European Mediterranean countries, data on the presence of these species in sub-Saharan countries are still lacking. This manuscript reports the investigation of Anaplasma strains related to zoonotic species in ruminants in Senegal by combining different molecular tests and phylogenetic approaches. The results demonstrated a recent introduction of Candidatus (Ca) Anaplasma turritanum, a species related to the pathogenic A. platys, possibly originating by founder effect. Further, novel undetected strains related to Candidatus (Ca) Anaplasma cinensis were detected in cattle. Based on groEL and gltA molecular comparisons, we propose including these latter strains into the Candidatus (Ca) Anaplasma africanum species. Finally, we also report the emergence of Candidatus (Ca) A. boleense in Senegal. Collectively, results confirm that Anaplasma species diversity is greater than expected and should be further investigated, and that Anaplasma routine diagnostic procedures and epidemiological surveillance should take into account specificity issues raised by the presence of these novel strains, suggesting the use of a One Health approach for the management of Anaplasmataceae in sub-Saharan Africa.
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Affiliation(s)
- Rosanna Zobba
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
| | - Claudio Murgia
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
| | - Mustapha Dahmani
- IRD, AP-HM, MEPHI, Aix Marseille University, 13001 Marseille, France
- IHU Méditerranée Infection, 13005 Marseille, France
| | - Oleg Mediannikov
- IRD, AP-HM, MEPHI, Aix Marseille University, 13001 Marseille, France
- IHU Méditerranée Infection, 13005 Marseille, France
| | - Bernard Davoust
- IRD, AP-HM, MEPHI, Aix Marseille University, 13001 Marseille, France
- IHU Méditerranée Infection, 13005 Marseille, France
| | - Roberta Piredda
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
| | - Eleonora Schianchi
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
| | - Alessandra Scagliarini
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, University of Bologna, 40126 Bologna, Italy
| | - Marco Pittau
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
| | - Alberto Alberti
- Dipartimento di Medicina Veterinaria, University of Sassari, 07100 Sassari, Italy
- Correspondence: ; Tel.: +39-320-922-5647
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Diniz PPV, Moura de Aguiar D. Ehrlichiosis and Anaplasmosis. Vet Clin North Am Small Anim Pract 2022; 52:1225-1266. [DOI: 10.1016/j.cvsm.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Zhang J, Ma H, Ai J, Qi T, Kang M, Li J, Sun Y. Serological Analysis of IgG and IgM Antibodies against Anaplasma spp. in Various Animal Species of the Qinghai-Tibetan Plateau. Animals (Basel) 2022; 12:ani12192723. [PMID: 36230463 PMCID: PMC9559258 DOI: 10.3390/ani12192723] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/29/2022] [Accepted: 10/03/2022] [Indexed: 11/16/2022] Open
Abstract
Anaplasma genus infects the blood cells of humans and animals by biting, causing zoonotic anaplasmosis. However, limited data are available on carrier animals for Anaplasma spp. antibodies in the Qinghai−Tibetan Plateau Area. Therefore, a serological indirect ELISA diagnostic method based on the major surface protein 5 (MSP5), derived from Anaplasma phagocytophilum, was developed in this study to analyze both IgG and IgM antibodies of Anaplasma spp. in a total of 3952 animals from the Qinghai−Tibetan Plateau, including yaks (Bos grunniens), cows (Bos taurus), cattle (Bos taurus domesticus), Tibetan sheep (Ovis aries), horses (Equus ferus caballus), pigs (Sus domesticus), chickens (Gallus gallus domesticus), donkeys (Equus asinus), stray dogs (Canis sp.), and stray cats (Felis sp.). The results showed that recombinant MSP5 protein was expressed and was successfully used to establish the indirect ELISA methods. The overall positivity for Anaplasma IgG and IgM antibodies was 14.6% (578/3952) and 7.9% (312/3952), respectively, and a total of 123 animals (3.1%) were both IgG- and IgM-positive. Moreover, the most prevalent Anaplasma IgG positivity was exhibited by donkeys (82.5%), followed by stray dogs, Tibetan sheep, pigs, chickens, horses, yaks, cows, cattle, and stray cats. The analysis for IgM antibody positivity revealed that IgM positivity was the most prevalent in the stray dogs (30.1%), followed by horses, yaks, Tibetan sheep, cows, stray cats, and cattle. Moreover, the results revealed significant differences (p < 0.05) at different altitudes in Anaplasma-specific IgG in the yaks, Tibetan sheep, and horses, and in IgM in the yaks and Tibetan sheep. In conclusion, this study is the first to demonstrate that yaks, cows, cattle, Tibetan sheep, horses, donkeys, stray dogs, stray cats, pigs, and chickens living in the Qinghai−Tibet Plateau are carrier animals for Anaplasma spp. IgG or IgM antibodies. The current findings provide valuable current data on the seroepidemiology of anaplasmosis in China and for plateau areas of the world.
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Affiliation(s)
- Jinchao Zhang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China
| | - Hejia Ma
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China
| | - Jingkai Ai
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China
| | - Tongsheng Qi
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China
| | - Ming Kang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China
| | - Jixu Li
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China
- Qinghai Provincial Key Laboratory of Pathogen Diagnosis for Animal Diseases and Green Technical Research for Prevention and Control, Qinghai University, Xining 810016, China
| | - Yali Sun
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
- College of Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China
- Qinghai Provincial Key Laboratory of Pathogen Diagnosis for Animal Diseases and Green Technical Research for Prevention and Control, Qinghai University, Xining 810016, China
- Correspondence:
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Matsuyama H, Taira M, Suzuki M. Regional Scale Distribution of Tick is Associated with Wildlife Distribution on the Boso Peninsula, Central Japan. MAMMAL STUDY 2022. [DOI: 10.3106/ms2022-0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Hiroyuki Matsuyama
- Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, Japan
| | | | - Maki Suzuki
- Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, Japan
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Sahin OF, Erol U, Altay K. Buffaloes as new hosts for Anaplasma capra: Molecular prevalence and phylogeny based on gtlA, groEL, and 16S rRNA genes. Res Vet Sci 2022; 152:458-464. [PMID: 36148715 DOI: 10.1016/j.rvsc.2022.09.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 11/29/2022]
Abstract
Anaplasma capra is a tick-borne pathogen that was discovered for the first time in goats in China in 2012. The studies carried out from the first detection in China to the present have revealed the presence of this species in eight countries including Angola, France, Iranian, South Korea, Kyrgyzstan, Malaysia, Spain, and Türkiye in three continents (Africa, Asia, and Europe). It has also been determined that humans, sheep, cattle, dog, and wild animals are the hosts of A. capra. It was investigated whether water buffaloes were the host of A. capra using nested-PCR and DNA sequencing in this study. The prevalence of A. capra in Turkish water buffalo herds was investigated and phylogenetic analyzes were performed on the basis of gltA, groEL, and 16S rRNA genes. A total of 364 water buffalo blood samples were examined in terms of A. capra using gltA gene species-specific nested-PCR. A. capra were detected in 52 of 364 (14.28%) blood samples. There was no statistically significant difference between the prevalence, gender, and age parameters. The gltA, groEL, and 16S rRNA genes in randomly selected three positive samples were sequenced. A. capra isolates obtained from water buffaloes in this study shared 85.20-100%(gltA), 89.84-100%(groEL), and 99.82-100%(16S rRNA) nucleotide similarity with A.capra isolates present in GeneBank. Phylogenetic analyses of gtlA and groEL genes revealed that A. capra divided in two different genogroups. In conclusion, this study revealed that water buffalo is a new host of A. capra. However, comprehensive studies are needed to determine the pathogenicity, vectors, and biological properties of A. capra in this new host.
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Affiliation(s)
- Omer Faruk Sahin
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140 Sivas, Türkiye
| | - Ufuk Erol
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140 Sivas, Türkiye
| | - Kursat Altay
- Department of Parasitology, Faculty of Veterinary Medicine, University of Sivas Cumhuriyet, 58140 Sivas, Türkiye.
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50
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Duron O, Koual R, Musset L, Buysse M, Lambert Y, Jaulhac B, Blanchet D, Alsibai KD, Lazrek Y, Epelboin L, Deshuillers P, Michaud C, Douine M. Novel Chronic Anaplasmosis in Splenectomized Patient, Amazon Rainforest. Emerg Infect Dis 2022; 28:1673-1676. [PMID: 35876693 PMCID: PMC9328922 DOI: 10.3201/eid2808.212425] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
We report a case of unusual human anaplasmosis in the Amazon rainforest of French Guiana. Molecular typing demonstrated that the pathogen is a novel Anaplasma species, distinct to all known species, and more genetically related to recently described Anaplasma spp. causing infections in rainforest wild fauna of Brazil.
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