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de la Fuente J, Ghosh S, Lempereur L, Garrison A, Sprong H, Lopez-Camacho C, Maritz-Olivier C, Contreras M, Moraga-Fernández A, Bente DA. Interventions for the control of Crimean-Congo hemorrhagic fever and tick vectors. NPJ Vaccines 2024; 9:181. [PMID: 39353956 PMCID: PMC11445411 DOI: 10.1038/s41541-024-00970-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 09/19/2024] [Indexed: 10/03/2024] Open
Abstract
Crimean-Congo hemorrhagic fever (CCHF) is a zoonotic disease associated with its principal tick vector, Hyalomma spp. with increasing fatal incidence worldwide. Accordingly, CCHF is a World Health Organization-prioritized disease with the absence of effective preventive interventions and approved vaccines or effective treatments. This perspective raised from a multidisciplinary gap analysis considering a One Health approach beneficial for human and animal health and the environment exploring international collaborations, gaps and recommendations.
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Affiliation(s)
- José de la Fuente
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, 13005, Ciudad Real, Spain.
- Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, 74078, USA.
| | - Srikant Ghosh
- Entomology Laboratory, Parasitology Division, ICAR-Indian Veterinary Research Institute, Bareilly, 243122, Uttar Pradesh, India
- Eastern Regional Station, Indian Veterinary Research Institute, Kolkata, 700037, West Bengal, India
| | - Laetitia Lempereur
- One Health & Disease Control Group (NSAH-CJW), Food and Agriculture Organization of the United Nations, 00153, Rome, Italy
| | - Aura Garrison
- Virology Division, US Army Medical Research Institute of Infectious Diseases, Frederick, MD, 21702, USA
| | - Hein Sprong
- Centre for Infectious Disease Control (CIb), National Institute of Public Health and Environment (RIVM), 3720 MA, Bilthoven, The Netherlands
| | | | - Christine Maritz-Olivier
- Department of Biochemistry, Genetics and Microbiology, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, Gauteng, South Africa
| | - Marinela Contreras
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, 13005, Ciudad Real, Spain
| | - Alberto Moraga-Fernández
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, 13005, Ciudad Real, Spain
| | - Dennis A Bente
- Galveston National Laboratory, Institute for Human Infection and Immunity, Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX, USA
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Elsawy BSM, Abdel-Ghany HSM, Alzan HF, Abdel-Shafy S, Shahein YE. Molecular screening of piroplasms and Anaplasmataceae agents in Hyalomma dromedarii ticks from camels over different seasons in Egypt. EXPERIMENTAL & APPLIED ACAROLOGY 2024:10.1007/s10493-024-00957-w. [PMID: 39320534 DOI: 10.1007/s10493-024-00957-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 08/12/2024] [Indexed: 09/26/2024]
Abstract
Piroplasmosis, a disease of domestic and wild animals, is caused by tick-borne protozoa of the genera Babesia and Theileria, while anaplasmosis is caused by tick-borne bacteria of genera Anaplasma. Hyalomma dromedarii is the most dominant tick species infesting camels in Egypt and act as a vector of piroplasms, Anaplasma, Rickettsia and Ehrlichia spp. The available information concerning the detection of these pathogens in H. dromedarii infesting camels is limited. The present study aimed to evaluate the status of these pathogens in H. dromedarii ticks over four seasons of a year, in addition to investigate the infections of piroplasms and Anaplasmataceae besides their genetic diversity starting from June 2021 till April 2022. A total of 275 semi-engorged females of H. dromedarii were collected from different slaughtered camels, Toukh city slaughterhouse then investigated by Polymerase Chain Reaction (PCR) to detect piroplasms (Babesia spp., Theileria spp.) and Anaplasmataceae DNA targeting 18 S rRNA and 16 S rRNA genes, respectively followed by sequencing and phylogenetic analyses. Overall, piroplasms were detected in 38 ticks (13.8%), Babesia spp. was detected in 35 ticks (12.7%), while Theileria spp. was detected in one tick (0.4%). Anaplasmataceae was detected in 57 ticks (20.7%). Mixed infections of piroplasms and Anaplasmataceae were detected in 13 ticks (5%). Single infection either with piroplasms or Anaplasmataceae was detected in 25 (9%) and 44 (16%) ticks, respectively. The highest monthly rate of piroplasms was in April (spring) and Anaplasmataceae was in July (summer). Sequence analysis revealed that Babesia bigemina, Wolbachia spp. and Anaplasma marginale are the most dominant species in the examined tick samples. To the best of our knowledge, this study confirms the presence of B. bigemina, Wolbachia spp. and A. marginale in H. dromedarii in Egypt by sequencing.
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Affiliation(s)
- Bassma S M Elsawy
- Parasitology and Animal Diseases Department, Veterinary Research Institute, National Research Centre, Dokki, 12622, Giza, Egypt
- Ticks and Tick-Borne Diseases Research Unit, Veterinary Research Institute, National Research Centre, Dokki, 12622, Giza, Egypt
| | - Hoda S M Abdel-Ghany
- Parasitology and Animal Diseases Department, Veterinary Research Institute, National Research Centre, Dokki, 12622, Giza, Egypt
- Ticks and Tick-Borne Diseases Research Unit, Veterinary Research Institute, National Research Centre, Dokki, 12622, Giza, Egypt
| | - Heba F Alzan
- Parasitology and Animal Diseases Department, Veterinary Research Institute, National Research Centre, Dokki, 12622, Giza, Egypt
- Ticks and Tick-Borne Diseases Research Unit, Veterinary Research Institute, National Research Centre, Dokki, 12622, Giza, Egypt
| | - Sobhy Abdel-Shafy
- Parasitology and Animal Diseases Department, Veterinary Research Institute, National Research Centre, Dokki, 12622, Giza, Egypt
- Ticks and Tick-Borne Diseases Research Unit, Veterinary Research Institute, National Research Centre, Dokki, 12622, Giza, Egypt
| | - Yasser E Shahein
- Molecular Biology Department, Biotechnology Research Institute, National Research Centre, Giza, 12622, Dokki, Egypt.
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Mood R, Mohankumar K, Vijay M, Srivastava A. The serine protease inhibitor HAMpin-1 produced by the ectoparasite Hyalomma anatolicum salivary gland modulates the host complement system. J Biol Chem 2024; 300:107684. [PMID: 39159811 PMCID: PMC11417211 DOI: 10.1016/j.jbc.2024.107684] [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: 04/20/2024] [Revised: 07/14/2024] [Accepted: 08/07/2024] [Indexed: 08/21/2024] Open
Abstract
Ticks are notable vectors of diseases affecting both humans and animals, with Hyalomma anatolicum being of particular significance due to its wide distribution and capability to transmit a variety of pathogens, including Theileriaannulata and Crimean-Congo haemorrhagic fever virus. This study aimed to investigate the inhibitory effects of H. anatolicum salivary gland extract (HaSGE) and the identification of its key component on the complement system of the host's innate immune defense. We demonstrated that HaSGE exerts a dose-dependent inhibition on the complement activation in a host-specific manner. Mechanistic studies revealed that HaSGE interferes with deposition and cleavage of complement proteins C3 and C5, thus preventing the formation of the membrane attack complex. Further, we identified a serine protease inhibitor, Hyalomma anatolicum serpin-1 (HAMpin-1), from the HaSGE through proteomic analysis and characterized its structure, function, and interaction with complement proteins. HAMpin-1 exhibited potent inhibitory activity against chymotrypsin and cathepsin-G, and notably, it is the first serpin from ticks shown to inhibit the classical and lectin pathways of the complement system. The expression of HAMpin-1 was highest in the salivary glands, suggesting its crucial role in blood feeding and immune evasion. Our findings revealed one of the potential mechanisms used by H. anatolicum to modulate host immune responses at the interface, offering new insights into tick-host interactions.
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Affiliation(s)
- Rajitha Mood
- Molecular Pathogenesis and Vector Laboratory, National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India; Regional Centre for Biotechnology (RCB), Faridabad, India
| | - Krishnagaanth Mohankumar
- Molecular Pathogenesis and Vector Laboratory, National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India; Regional Centre for Biotechnology (RCB), Faridabad, India
| | - Macha Vijay
- Molecular Pathogenesis and Vector Laboratory, National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India; Regional Centre for Biotechnology (RCB), Faridabad, India
| | - Anand Srivastava
- Molecular Pathogenesis and Vector Laboratory, National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India; Regional Centre for Biotechnology (RCB), Faridabad, India.
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Essa IM, Azzal GY, Thamer NK. First molecular sequencing of Babesia gibsoni in ticks, Iraq. Open Vet J 2024; 14:2029-2039. [PMID: 39308724 PMCID: PMC11415923 DOI: 10.5455/ovj.2024.v14.i8.32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Accepted: 07/25/2024] [Indexed: 09/25/2024] Open
Abstract
Background Tick is one of the most important ectoparasites distributed worldwide and plays an obvious role in the transmission of different infections to humans and animals as dogs. Aim This study conducted to molecular demonstration of Babesia gibsoni in ticks of stray dogs and phylogenetic analysis of study isolates to detect their identity to global isolates. Prevalence of ticks in dogs, identification of tick species, and their relationship to some risk factors were aimed, also. Methods A total of 97 stray dogs were inspected grossly to detect and collect ticks that existed in different body parts. After collection, all ticks were examined morphologically to identify their species, and then molecularly by the polymerase chain reaction (PCR) assay to detect B. gibsoni in different species of ticks. Local B. gibsoni isolates were sequenced, documented in the National Center For biotechnology information (NCBI) database, analyzed phylogenetically, and compared with the global GenBank-NCBI isolates. Results In the current study, ticks were detected in 43.3% of dogs, and were shown to be varied in number and distribution among different body parts of each dog. Concerning its distribution, ticks were observed significantly on the abdomen, ear, and perineal region. In relation to risk factors, ticks were increased significantly in dogs <6 months old in comparison to older dogs, males more than females; and in rural areas more than dogs of sub-urban and urban areas. Based on morphology, different tick species were seen including Hylaomma anatolicum (86.12%), R. sanguineus (11.99%), and Rhipicephalus turanicus (1.89%). Targeting the 18S rRNA gene, PCR assay reported 3.79% positive ticks to B. gibsoni that were seen in R. sanguineus (13.16%) and H. anatolicum (2.56%). Based on phylogenetic analysis data of five local B. gibsoni isolates, this study demonstrated their close relations to the global NCBI-BLAST B. gibsoni Iraqi isolate (ID: MN385424.1). Conclusion This represents the first Iraqi study that demonstrated molecularly B. gibsoni in different species of ticks that infected stray dogs.
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Affiliation(s)
- Israa M. Essa
- Department of Parasitology, College of Veterinary Medicine, University of Basrah, Basra, Iraq
| | - Ghazi Y. Azzal
- Department of Parasitology, College of Veterinary Medicine, University of Basrah, Basra, Iraq
| | - Nadia K. Thamer
- Department of Parasitology, College of Veterinary Medicine, University of Basrah, Basra, Iraq
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Moudgil AD, Nehra AK, Langyan N, Kumar V, Vohra S. Population structure and haplotype network analyses of Hyalomma anatolicum based on the large subunit ribosomal RNA (16S rRNA) gene. Parasitol Res 2024; 123:259. [PMID: 38958790 DOI: 10.1007/s00436-024-08279-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: 11/18/2023] [Accepted: 06/24/2024] [Indexed: 07/04/2024]
Abstract
Hyalomma anatolicum, an Anatolian hard tick is a well-recognized vector involved in the transmission of various pathogens to animals and humans. The present study elucidated the population structure and haplotype network of H. anatolicum based on the mitochondrial large subunit ribosomal RNA (16S rRNA) gene sequence. The population structure and haplotype network analysis of 75 sequences archived in the GenBank, including the 15 sequences generated herein, yielded 24 haplotypes. Haplotype 1 (Hap_1) was the predominant haplotype consisting of 45 sequences from India, China, Pakistan, Turkey, Egypt, Iraq, and Tajikistan. The complete haplotype network exhibited a stellate conformation, highlighting a recent population expansion. The overall dataset, together with the sequences corresponding to India, China, and Pakistan, showed a high haplotype (0.638 ± 0.065, 0.671 ± 0.103, 0.753 ± 0.099, and 0.854 ± 0.061, respectively) and low nucleotide (0.00407 ± 0.00090, 0.00525 ± 0.00196, 0.00680 ± 0.00233, and 0.00453 ± 0.00056, respectively) diversity, further emphasized a recent population expansion. The neutrality indices including Tajima's D, Fu and Li's D, and Fu and Li's F for the complete dataset (- 2.661, - 6.008, and - 5.649, respectively) as well as for the sequences from India (- 2.223, - 3.414, and - 3.567, respectively) were negative, suggesting deviation from neutrality and a recent population expansion. The present study provided novel insights into the population structure and haplotype networks of H. anatolicum based on the mitochondrial 16S rRNA gene, and the different tests inferred a low genetic differentiation and suggested a recent population expansion of this economically important tick species.
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Affiliation(s)
- Aman D Moudgil
- Department of Veterinary Parasitology, College of Veterinary Science, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India.
| | - Anil K Nehra
- Department of Veterinary Parasitology, College of Veterinary Science, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Narender Langyan
- Livestock Farm Complex, College of Veterinary Science, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Vijay Kumar
- Department of Animal Husbandry and Dairying, Government of Haryana, Panchkula, 134109, India
| | - Sukhdeep Vohra
- Department of Veterinary Parasitology, College of Veterinary Science, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
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Perumalsamy N, Sharma R, Subramanian M, Nagarajan SA. Hard Ticks as Vectors: The Emerging Threat of Tick-Borne Diseases in India. Pathogens 2024; 13:556. [PMID: 39057783 PMCID: PMC11279560 DOI: 10.3390/pathogens13070556] [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: 04/03/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 07/28/2024] Open
Abstract
Hard ticks (Ixodidae) play a critical role in transmitting various tick-borne diseases (TBDs), posing significant global threats to human and animal health. Climatic factors influence the abundance, diversity, and vectorial capacity of tick vectors. It is imperative to have a comprehensive understanding of hard ticks, pathogens, eco-epidemiology, and the impact of climatic changes on the transmission dynamics of TBDs. The distribution and life cycle patterns of hard ticks are influenced by diverse ecological factors that, in turn, can be impacted by changes in climate, leading to the expansion of the tick vector's range and geographical distribution. Vector competence, a pivotal aspect of vectorial capacity, involves the tick's ability to acquire, maintain, and transmit pathogens. Hard ticks, by efficiently feeding on diverse hosts and manipulating their immunity through their saliva, emerge as competent vectors for various pathogens, such as viruses, parasites and bacteria. This ability significantly influences the success of pathogen transmission. Further exploration of genetic diversity, population structure, and hybrid tick vectors is crucial, as they play a substantial role in influencing vector competence and complicating the dynamics of TBDs. This comprehensive review deals with important TBDs in India and delves into a profound understanding of hard ticks as vectors, their biology, and the factors influencing their vector competence. Given that TBDs continue to pose a substantial threat to global health, the review emphasizes the urgency of investigating tick control strategies and advancing vaccine development. Special attention is given to the pivotal role of population genetics in comprehending the genetic diversity of tick populations and providing essential insights into their adaptability to environmental changes.
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Affiliation(s)
| | | | | | - Shriram Ananganallur Nagarajan
- Division of Vector Biology and Control, Indian Council of Medical Research—Vector Control Research Centre (ICMR-VCRC), Puducherry 605006, India; (N.P.); (R.S.); (M.S.)
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Alimi D, Trabelsi N, Hajri A, Amor MB, Mejri A, Jallouli S, Sebai H. Laboratory assessment of the acaricidal, repellent and anti-cholinesterase effects of Melaleuca alternifolia and Chamaemelum nobile essential oils against Hyalomma scupense ticks. Vet Res Commun 2024; 48:1379-1391. [PMID: 38267710 DOI: 10.1007/s11259-024-10313-3] [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: 12/10/2023] [Accepted: 01/18/2024] [Indexed: 01/26/2024]
Abstract
In cattle, Hyalomma scupense serves as an important vector of several pathogens resulting in diseases, subsequently affecting the agricultural field as well as the economy. Resistance to chemical acaricides has become widespread affirming the need for new drugs to tick control. The goal of this study was to investigate the acaricidal, repellent activities as well as the putative mode of action of two essential oils (EOs) from Melaleuca alternifolia (Tea tree) and Chamaemelum nobile (Roman chamomile) on Hyalomma scupense. The chemical composition of EOs was also evaluated. Different concentrations of EOs were tested in vitro for their acaricidal property on adults and larvae of H. scupense using adult immersion test (AIT) and larval packet test (LPT). Additionally, using Ellman's spectrophotometric method, the anticholinesterase (AChE) inhibition activity of M. alternifolia and C. nobile EOs was assessed in order to understand their putative mode of action. The main compounds of C. nobile were α-Bisabolene (22.20%) and (E)-β-Famesene (20.41%). The major components in the analyzed M. alternifolia were Terpinen-4-ol (36.32%) and γ-Terpinene (13.69%). Adulticidal and larvicidal assays demonstrated a promising efficacy of the essential oils against tick H. scupense. The lethal concentration (LC50) values obtained for M. alternifolia and C. nobile oils were 0.84 and 0.96 mg/mL in the AIT and 0.37 and 0.48 mg/mL in the LPT, respectively. Regarding repellent activity, M. alternifolia achieved 100% repellency at the concentration of 1 mg/mL while C. nobile showed 95.98% repellency activity at concentration of 4 mg/mL. Also, M. alternifolia and C. nobile EOs displayed potent AChE inhibition with IC50 value of 91.27 and 100.12 μg/mL, respectively. In the present study, M. alternifolia and, to a lesser degree, C. nobile EOs were found to be effective in vitro acaricides, repellents and acetylcholinesterase inhibitor against H. scupense ticks. These plants may represent an economical and sustainable alternative to toxic synthetic acaricides in the management of ectoparasites of veterinary importance.
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Affiliation(s)
- Dhouha Alimi
- Laboratory of Functional Physiology and Valorization of Bio-Resources (LR23ES08), Higher Institute of Biotechnology of Beja, University of Jendouba, Habib Bourguiba Street, Box 382, 9000, Beja, Tunisia.
| | - Najla Trabelsi
- Laboratory of Olive Biotechnology, Center of Biotechnology of Borj-Cedria, Hammam-Lif, Tunisia
| | - Azhar Hajri
- Laboratory of Functional Physiology and Valorization of Bio-Resources (LR23ES08), Higher Institute of Biotechnology of Beja, University of Jendouba, Habib Bourguiba Street, Box 382, 9000, Beja, Tunisia
| | - Marwa Ben Amor
- Laboratory of Olive Biotechnology, Center of Biotechnology of Borj-Cedria, Hammam-Lif, Tunisia
| | - Asma Mejri
- Laboratory of Olive Biotechnology, Center of Biotechnology of Borj-Cedria, Hammam-Lif, Tunisia
| | - Selim Jallouli
- Laboratory of Bioactive Substances, Centre of Biotechnology of Borj-Cedria, Box 901, 2050, Hammam-Lif, Tunisia
| | - Hichem Sebai
- Laboratory of Functional Physiology and Valorization of Bio-Resources (LR23ES08), Higher Institute of Biotechnology of Beja, University of Jendouba, Habib Bourguiba Street, Box 382, 9000, Beja, Tunisia
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Alimi D, Hraoui M, Hajri A, Taamalli W, Selmi S, Sebai H. Bioactivity and molecular docking studies of selected plant compounds. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:4391-4399. [PMID: 38323805 DOI: 10.1002/jsfa.13327] [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: 11/15/2023] [Revised: 01/20/2024] [Accepted: 01/22/2024] [Indexed: 02/08/2024]
Abstract
BACKGROUND The shortcomings of synthetic pesticides are becoming increasingly evident. In the pursuit of looking for alternative, environmentally friendly pesticides, the potential use of two naturally occurring sesquiterpenes, α-bisabolol and bisabolol oxide A, as bactericides or acaricides, was investigated against three gram-positive and three gram-negative bacteria, and the eggs and larvae of the cattle tick Hyalomma scupense, respectively. The primary targeted site of synthetic insecticides is acetylcholinesterase (AChE), so the inhibitory activity of both sesquiterpenes was evaluated. Then, molecular docking and molecular mechanics generalized Born surface area (MM-GBSA) studies were performed to gain insight into their binding mode in the AChE active site. RESULTS Bisabolol oxide A showed good activity against Staphylococcus aureus, Escherichia coli, and Salmonella enteritidis with inhibition zones ranging from 16 to 34 mm and minimal inhibitory concentration (CIM) of 3.125 mg mL-1. Ovicidal and larvicidal assays revealed promising activity of α-bisabolol and bisabolol oxide A against H. scupense, with bisabolol oxide A being more effective against larval ticks with lethal concentration (LC50) value of 0.78%. Both compounds also displayed potent anti-AChE activity with inhibition concentration (IC50) values of 37.09 and 28.14 μg mL-1, respectively. Furthermore, α-bisabolol and bisabolol oxide A exhibited good and comparable docking scores (-7.289 and -7.139 Kcal mol-1, respectively) and were found to accommodate in the active-site gorge of AChE via hydrogen bonding and hydrophobic interactions. CONCLUSION Bisabolol oxide A and, to a lesser degree, α-bisabolol are active against bacteria and ectoparasites and may represent an economical and sustainable alternative to toxic synthetic pesticides to control pathogens. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Dhouha Alimi
- Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Beja, Tunisia
- University of Jendouba, Jendouba, Tunisia
| | - Manel Hraoui
- Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Beja, Tunisia
- University of Jendouba, Jendouba, Tunisia
| | - Azhar Hajri
- Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Beja, Tunisia
- University of Jendouba, Jendouba, Tunisia
| | - Wael Taamalli
- Laboratory of Olive Biotechnology, Center of Biotechnology of Borj-Cedria, Hammam-Lif, Tunisia
| | - Slimen Selmi
- Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Beja, Tunisia
- University of Jendouba, Jendouba, Tunisia
| | - Hichem Sebai
- Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Beja, Tunisia
- University of Jendouba, Jendouba, Tunisia
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9
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Ali EAA, Hussein NA, El-Hakim AE, Amer MA, Shahein YE. Cloning and catalytic profile of Hyalomma dromedarii leucine aminopeptidase. Int J Biol Macromol 2024; 268:131778. [PMID: 38657929 DOI: 10.1016/j.ijbiomac.2024.131778] [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: 12/29/2023] [Revised: 04/15/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024]
Abstract
Ticks have harmful impacts on both human and animal health and cause considerable economic losses. Leucine aminopeptidase enzymes (LAP) play important roles during tick infestation to liberate vital amino acids necessary for growth. The aim of the current study is to identify, express and characterize the LAP from the hard tick Hyalomma dromedarii and elucidate its biochemical characteristics. We cloned an open reading frame of 1560 bp encoding a protein of 519 amino acids. The LAP full-length was expressed in Escherichia coli BL21 (DE3) and purified. The recombinant enzyme (H.d rLAP- 6×His) had a predicted molecular mass of approximately 55 kDa. Purification and the enzymatic characteristics of H.d rLAP- 6×His were studied. The purified enzyme showed maximum activity at 37 °C and pH 8.0-8.5 using Leu-p-nitroanilide as a substrate. The activity of H.d rLAP- 6×His was sensitive to β-mercaptoethanol, dl-dithiothreitol, 1,10- phenanthroline, bestatin HCl, and EDTA and completely abolished by 0.05 % SDS. In parallel, the enzymatic activity was enhanced by Ni2+, Mn2+ and Mg2+, partially inhibited by Na+, Cu2+, Ca2+ and completely inhibited by Zn2+.
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Affiliation(s)
- Esraa A A Ali
- Molecular Biology Department, Biotechnology Research Institute, National Research Centre, Dokki, 12622 Cairo, Egypt
| | - Nahla A Hussein
- Molecular Biology Department, Biotechnology Research Institute, National Research Centre, Dokki, 12622 Cairo, Egypt.
| | - Amr E El-Hakim
- Molecular Biology Department, Biotechnology Research Institute, National Research Centre, Dokki, 12622 Cairo, Egypt
| | - Mahmoud A Amer
- Zoology Department, Faculty of Science, Cairo University, 12613 Giza, Egypt
| | - Yasser E Shahein
- Molecular Biology Department, Biotechnology Research Institute, National Research Centre, Dokki, 12622 Cairo, Egypt.
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Zhang B, Zhang N, Zheng T, Lu M, Baoli B, Jie R, Wang X, Li K. Tick-borne bacterial agents in Hyalomma asiaticum ticks from Xinjiang Uygur Autonomous Region, Northwest China. Parasit Vectors 2024; 17:167. [PMID: 38566227 PMCID: PMC10985858 DOI: 10.1186/s13071-024-06256-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: 12/23/2023] [Accepted: 03/21/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Hyalomma ticks are widely distributed in semi-arid zones in Northwest China. They have been reported to harbor a large number of zoonotic pathogens. METHODS In this study, a total of 334 Hyalomma asiaticum ticks infesting domestic animals were collected from four locations in Xinjiang, Northwest China, and the bacterial agents in them were investigated. RESULTS A putative novel Borrelia species was identified in ticks from all four locations, with an overall positive rate of 6.59%. Rickettsia sibirica subsp. mongolitimonae, a human pathogen frequently reported in Europe, was detected for the second time in China. Two Ehrlichia species (Ehrlichia minasensis and Ehrlichia sp.) were identified. Furthermore, two Anaplasma species were characterized in this study: Candidatus Anaplasma camelii and Anaplasma sp. closely related to Candidatus Anaplasma boleense. It is the first report of Candidatus Anaplasma camelii in China. CONCLUSIONS Six bacterial agents were reported in this study, many of which are possible or validated pathogens for humans and animals. The presence of these bacterial agents may suggest a potential risk for One Health in this area.
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Affiliation(s)
- Bing Zhang
- School of Basic Medical Sciences, Xinjiang Medical University, Institute of Medical Sciences of Xinjiang Medical University, Xinjiang Key Laboratory of Molecular Biology for Endemic Diseases, Urumqi, 830011, Xinjiang Uygur Autonomous Region, China
| | - Niuniu Zhang
- School of Basic Medical Sciences, Xinjiang Medical University, Institute of Medical Sciences of Xinjiang Medical University, Xinjiang Key Laboratory of Molecular Biology for Endemic Diseases, Urumqi, 830011, Xinjiang Uygur Autonomous Region, China
| | - Tao Zheng
- Xinjiang 474 Hospital, China RongTong Medical Healthcare Group CO.LTD, Urumqi, 830011, Xinjiang Uygur Autonomous Region, China
| | - Miao Lu
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping District, Beijing, 102206, China
| | - Bierk Baoli
- Animal Disease Prevention and Control Center of Mulei Kazak Autonomous County, Changji Hui Autonomous Prefecture, Xinjiang Uygur Autonomous Region, China
| | - Runda Jie
- School of Basic Medical Sciences, Xinjiang Medical University, Institute of Medical Sciences of Xinjiang Medical University, Xinjiang Key Laboratory of Molecular Biology for Endemic Diseases, Urumqi, 830011, Xinjiang Uygur Autonomous Region, China
| | - Xiao Wang
- Xinjiang 474 Hospital, China RongTong Medical Healthcare Group CO.LTD, Urumqi, 830011, Xinjiang Uygur Autonomous Region, China.
| | - Kun Li
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping District, Beijing, 102206, China.
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11
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Wang J, Chai Y, Yang J, Chen K, Liu G, Luo J, Guan G, Ren Q, Yin H. Insight into Hyalomma anatolicum biology by comparative genomics analyses. Int J Parasitol 2024; 54:157-170. [PMID: 37858900 DOI: 10.1016/j.ijpara.2023.09.003] [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: 06/13/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 10/21/2023]
Abstract
Hyalomma anatolicum is an obligatory blood-sucking ectoparasite and contributes to the transmission of Crimean-Congo haemorrhagic fever (CCHF) virus, Theileria spp. and Babesia spp. Progress in exploring the adaptive strategy of this ectoparasite and developing tools to fight it has been hindered by the lack of a complete genome. Herein, we assembled the genome using diverse sources of data from multiple sequencing platforms and annotated the 1.96 Gb genome of Hy. anatolicum. Comparative genome analyses and the predicted protein encoding genes reveal unique facets of this genome, including gene family expansion associated with blood feeding and digestion, multi-gene families involved in detoxification, a great number of neuropeptides and corresponding receptors regulating tick growth, development, and reproduction, and glutathione S-transferase genes playing roles in insecticide resistance and detoxification of multiple xenobiotic factors. This high quality reference genome provides fundamental data for obtaining insights into a variety of aspects of tick biology and developing novel strategies to fight notorious tick vectors of human and animal pathogens.
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Affiliation(s)
- Jinming Wang
- State Key Laboratory for Animal Disease and Prevention, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu 730046, China.
| | - Yijun Chai
- State Key Laboratory for Animal Disease and Prevention, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu 730046, China
| | - Jifei Yang
- State Key Laboratory for Animal Disease and Prevention, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu 730046, China
| | - Kai Chen
- Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Guangyuan Liu
- State Key Laboratory for Animal Disease and Prevention, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu 730046, China
| | - Jianxun Luo
- State Key Laboratory for Animal Disease and Prevention, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu 730046, China
| | - Guiquan Guan
- State Key Laboratory for Animal Disease and Prevention, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu 730046, China.
| | - Qiaoyun Ren
- State Key Laboratory for Animal Disease and Prevention, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu 730046, China.
| | - Hong Yin
- State Key Laboratory for Animal Disease and Prevention, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, Gansu 730046, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonoses, Yangzhou University, Yangzhou 225009, China.
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12
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Ansah-Owusu J, Addo SO, Tawiah-Mensah CNL, Obuam PK, Malm ROT, Yartey KN, Yanney JN, Torto FA, Accorlor SK, Dadzie SK. Tick-borne pathogens of zoonotic and veterinary importance in cattle ticks in Ghana. Parasitol Res 2023; 123:44. [PMID: 38095712 DOI: 10.1007/s00436-023-08071-3] [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: 08/22/2023] [Accepted: 10/18/2023] [Indexed: 12/18/2023]
Abstract
Ticks are important vectors involved in the transmission of pathogens of zoonotic and veterinary importance. In this study, ticks were collected from cattle in Navrongo, Kintampo, and Kumasi and screened for pathogen DNA using PCR and Sanger sequencing. A total of 454 ticks were collected, morphologically identified and confirmed using primers that target the 660-bp segment of the mitochondrial COI gene. The predominant tick species was Amblyomma variegatum (70.26%). DNA was extracted from 85 tick pools and screened for the presence of Rickettsia DNA based on the 639 bp of the outer membrane protein A (ompA) gene, Ehrlichia/Anaplasma DNA based on the 345 bp fragment of the 16SrRNA gene and Babesia/ Theileria DNA based on the 560 bp fragment of the ssrRNA gene. From the 85 tick pools, the DNA of pathogens detected were Rickettsia africae (36.47%), Rickettsia aeschlimannii (16.47%), Ehrlichia canis (2.35%), Babesia occultans (1.18%), Theileria velifera (1.18%) and a symbiont Candidatus Midichloria mitochondrii (8.24%). This study reports the first molecular detection of Candidatus Cryptoplasma californiense (1.18%) in Ghana. Coinfections were recorded in 8.24% of the tick pools. The findings of this study highlight the importance of tick species in Ghana and the need to adopt effective control measures to prevent pathogen spread.
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Affiliation(s)
- Jane Ansah-Owusu
- Parasitology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | - Seth Offei Addo
- Parasitology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana.
| | | | - Patrick Kwasi Obuam
- Kwame Nkrumah University of Science and Technology, School of Public Health, Kumasi, Ghana
| | - Richard Odoi-Teye Malm
- Parasitology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | - Kevin Nii Yartey
- Parasitology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | - Jennifer Nyamekye Yanney
- Parasitology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | - Francisca Adai Torto
- Parasitology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | - Stephen Kwabena Accorlor
- Parasitology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana
| | - Samuel K Dadzie
- Parasitology Department, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Accra, Ghana.
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13
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Benyedem H, Hajji T, Romdhane R, Obara I, Mhadhbi M, Sebai E, Elati K, Chaari S, Rekik M, Darghouth MA. Genetic diversity of Hyalomma marginatum in Tunisia is not influenced by the bio-climate. Parasitol Res 2023; 122:3013-3025. [PMID: 37823993 DOI: 10.1007/s00436-023-07990-5] [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: 04/24/2023] [Accepted: 09/26/2023] [Indexed: 10/13/2023]
Abstract
Ticks are important ectoparasites responsible for the transmission of several pathogens with significant medical, veterinary, and economic impacts. Climate and social changes have generated substantial changes in ticks' distribution, abundance, and activity patterns, including ticks belonging to the Hyalomma marginatum species. Knowledge on the genetic structure and dynamics of H. marginatum populations might contribute to a better understanding of their current and future evolution under the effects of anthropogenic factors and eco-climatic changes. In the present study, we investigated the genetic structure and phylogenetic distribution of H. marginatum across three bioclimatic regions in Tunisia using two mitochondrial markers (16S and 12S rRNA). The molecular investigations were based on 47 adult H. marginatum ticks collected from humid, upper semi-arid, and sub-humid regions of Tunisia. Our results revealed a genetic diversity of 0.278% and 0.809% using the 16S and 12S markers, respectively. The low genetic diversity that we observed raises the hypothesis of a bottleneck event occasioned by a reduction in the size of the tick population under the effects of environmental factors and/or human activities. This hypothesis is supported by the population's demographic history analysis, which revealed a clear deviation from neutrality and supports the occurrence of a bottleneck event followed by a demographic expansion. The fact that most 16S and 12S variability was present in the ticks from the humid bioclimatic zone may suggest that those ticks represent the ancestral population. Overall, the analysis has shown that the phylogenetic clusters do not correspond to the bioclimatic zones.
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Affiliation(s)
- Hayet Benyedem
- Laboratoire de Parasitologie, École Nationale de Médecine Vétérinaire de Sidi Thabet, Institution de La Recherche et de L'Enseignement Supérieur Agricoles and Univ. Manouba, Manouba, Tunisia.
- Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia.
| | - Tarek Hajji
- Laboratory of Biotechnology and Valorization of Bio-Geo-Resources (LR11ES31), Higher Institute of Biotechnology - Sidi Thabet, Univ. Manouba, Ariana, Tunisia
| | - Rihab Romdhane
- Laboratoire de Parasitologie, École Nationale de Médecine Vétérinaire de Sidi Thabet, Institution de La Recherche et de L'Enseignement Supérieur Agricoles and Univ. Manouba, Manouba, Tunisia
| | - Isaiah Obara
- Institute of Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Robert-Von-Ostertag-Str. 7, 14163, Berlin, Germany
| | - Moez Mhadhbi
- Laboratoire de Parasitologie, École Nationale de Médecine Vétérinaire de Sidi Thabet, Institution de La Recherche et de L'Enseignement Supérieur Agricoles and Univ. Manouba, Manouba, Tunisia
| | - Essia Sebai
- Laboratoire de Parasitologie, École Nationale de Médecine Vétérinaire de Sidi Thabet, Institution de La Recherche et de L'Enseignement Supérieur Agricoles and Univ. Manouba, Manouba, Tunisia
| | - Khawla Elati
- Laboratoire de Parasitologie, École Nationale de Médecine Vétérinaire de Sidi Thabet, Institution de La Recherche et de L'Enseignement Supérieur Agricoles and Univ. Manouba, Manouba, Tunisia
- Institute of Parasitology and Tropical Veterinary Medicine, Freie Universität Berlin, Robert-Von-Ostertag-Str. 7, 14163, Berlin, Germany
- Veterinary Centre for Resistance Research, Freie Universität Berlin, Robert-Von-Ostertag-Str. 8, Berlin, Germany
| | - Soufiene Chaari
- Laboratoire Pharmaceutique Vétérinaire MEDIVET, Soliman, Tunisia
| | - Mourad Rekik
- International Centre for Agricultural Research in the Dry Areas (ICARDA), Tunis, Tunisia
| | - Mohamed Aziz Darghouth
- Laboratoire de Parasitologie, École Nationale de Médecine Vétérinaire de Sidi Thabet, Institution de La Recherche et de L'Enseignement Supérieur Agricoles and Univ. Manouba, Manouba, Tunisia.
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14
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Nangru A, Maharana BR, Vohra S, Kumar B, Ganguly A, Sahu S, Singh H, Ruhil S, Khichar V. Identification, molecular characterization and risk factors of Theileria infection among sheep: a first comprehensive report from North India. Anim Biotechnol 2023; 34:3658-3670. [PMID: 36946877 DOI: 10.1080/10495398.2023.2189928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
The present study was aimed at the identification, molecular characterization, and risk factor assessment of Theileria infection among sheep of Haryana province, north India. A total of 402 blood samples were collected from three different climatic zones of Haryana from March 2020 to September 2021. Light microscopy of blood smears revealed Theileria spp. infection in 47.26% (n = 190), while 60.94% (n = 245) of blood samples were positive using nested PCR. Extensive molecular characterization of Theileria infection using four pairs of species-specific primers indicated the dominance of T. ovis (29.1%) followed by T. lestoquardi (12.69%), T. luwenshuni (5.97%) and T. annulata (1.49%). Mixed infection was detected in 11.69% of cases. Bidirectional sequencing and phylogeny further confirmed the presence of these four Theileria spp. in the investigated area under study. Hematology indicated a significant (p < 0.01) reduction in various haematological indices of animals infected with T. luwenshuni and T. lestoquardi compared to the healthy control group. Risk factors like age, sex, and zone were significantly associated with Theileria infection in sheep. The present investigation depicts the first comprehensive molecular report of ovine Theileria spp., which warrants further study to develop suitable control strategies against these haemoparasitic infections.
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Affiliation(s)
- Aman Nangru
- Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | | | - Sukhdeep Vohra
- Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India
| | - Binod Kumar
- College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, India
| | - Anita Ganguly
- Referral Veterinary Diagnostic and Extension Centre, LUVAS, Karnal, India
| | - Subhasish Sahu
- College of Veterinary Science and Animal Husbandry, OUAT, Bhubaneswar, India
| | - Harpreet Singh
- Referral Veterinary Diagnostic and Extension Centre, LUVAS, Karnal, India
| | - Swati Ruhil
- Referral Veterinary Diagnostic and Extension Centre, LUVAS, Karnal, India
| | - Vikas Khichar
- Department of Animal Husbandry and Dairying, Government of Haryana, Chandigarh, India
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15
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Elsawy BSM, Mahmoud MS, Suarez CE, Alzan HF. Impact of Equine and Camel Piroplasmosis in Egypt: How Much Do We Know about the Current Situation? Pathogens 2023; 12:1318. [PMID: 38003783 PMCID: PMC10675018 DOI: 10.3390/pathogens12111318] [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: 09/30/2023] [Revised: 10/29/2023] [Accepted: 11/01/2023] [Indexed: 11/26/2023] Open
Abstract
Piroplasmosis is a global tick-borne disease caused by hemoprotozoan parasites, which causes high morbidity and substantial economic losses in farm animals. Equine and camel piroplasmosis causes significant losses worldwide and in Egypt. The multifactorial effects and overall impact of equine and camel piroplasmosis in Egypt remain poorly characterized. However, several Babesia and Theileria spp. as well as potential tick vectors affecting these two species have been identified in the country. Equine and camel piroplasmosis has been reported by all governates in the country. Thus, in this work, we intend to provide a broad depiction of the current approaches used for diagnosis and control and the impact of piroplasmosis on the equine and camel industries in Egypt. We also identified current gaps in knowledge that might help develop future research efforts towards improved intervention and control of equine and camel piroplasmosis. It is important to develop specific diagnostic tools suitable for the early and chronic diagnosis of this disease. Altogether, the current situation warrants the development of large-scale epidemiological studies in order to obtain an accurate estimate for equine and camel piroplasmosis to secure the highly needed food resources in the country.
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Affiliation(s)
- Bassma S. M. Elsawy
- Parasitology and Animal Diseases Department, Veterinary Research Institute, National Research Center Dokki, Giza 12622, Egypt; (B.S.M.E.); (M.S.M.)
- Tick and Tick-Borne Diseases Research Unit, Veterinary Research Institute, National Research Center Dokki, Giza 12622, Egypt
| | - Mona S. Mahmoud
- Parasitology and Animal Diseases Department, Veterinary Research Institute, National Research Center Dokki, Giza 12622, Egypt; (B.S.M.E.); (M.S.M.)
- Tick and Tick-Borne Diseases Research Unit, Veterinary Research Institute, National Research Center Dokki, Giza 12622, Egypt
| | - Carlos E. Suarez
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
- Animal Disease Research Unit, United States Department of Agricultural—Agricultural Research Service, Pullman, WA 99164, USA;
| | - Heba F. Alzan
- Parasitology and Animal Diseases Department, Veterinary Research Institute, National Research Center Dokki, Giza 12622, Egypt; (B.S.M.E.); (M.S.M.)
- Tick and Tick-Borne Diseases Research Unit, Veterinary Research Institute, National Research Center Dokki, Giza 12622, Egypt
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
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16
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Sajid MS, Iqbal A, Rizwan HM, Kausar A, Tahir UB, Younus M, Maqbool M, Siddique RM, Fouad D, Ataya FS. Guardians of the Herd: Molecular Surveillance of Tick Vectors Uncovers Theileriosis Perils in Large Ruminants. Microorganisms 2023; 11:2684. [PMID: 38004696 PMCID: PMC10672939 DOI: 10.3390/microorganisms11112684] [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: 09/26/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/26/2023] Open
Abstract
Theileria sp. (Piroplasmida: Theileriidae) is one of the most widely known infections transmitted by hard ticks (Acari: Ixodidae) and has been linked to significant economic losses across the globe. The study's main emphasis was theileriosis, a disease that is common in Pakistan and has an incidence ranging from 0.6% to 33%. Through DNA screening of the vector ticks and host blood, this study sought to determine the risk of tick-borne theileriosis in populations of buffalos (Bubalus bubalis) and cattle (Bos indicus) in Toba Tek Singh district of Punjab, Pakistan. Identified tick species include Hyalomma anatolicum (35.4%), Rhipicephalus (Boophilus) microplus (30.2%), and R. sanguineus (25%). Tick specimens were collected from animals and their respective microenvironments. PCR assays targeting Theileria annulata were used to investigate the infection in the DNA extracted from the collected blood samples from large ruminants and salivary glands (SGs) of the Hyalomma ticks. The 18S rRNA of T. annulata was amplified using specific primers. Positive T. annulata amplicons were sequenced and verified using BLAST analysis. Overall, 50% of SGs contained T. annulate DNA. Female ticks, and those collected from cattle and from riverine environments had significantly higher (p < 0.05) rates of Theileria infection in their acini. Overall prevalence of Theileria infection was 35.9% in blood collected from large ruminants. Cattle had a substantially greater frequency of bovine theileriosis (43.2%) than buffalos (28.7%). Age and sex of large ruminants were significantly positively associated (p < 0.05) with Theileria infection. Furthermore, compared to non-riverine cattle (35%) and buffalo (19.5%), riverine cattle (52.2%) and buffalo (36.2%) showed a considerably higher prevalence. The results of this study, which is the first in Pakistan to examine the blood of large ruminants and vectorial function of Ixodid ticks in the transmission of T. annulata along with associated risk factors, offer an important insight for risk assessment of Theileria infection in livestock using vectorial infectivity.
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Affiliation(s)
- Muhammad Sohail Sajid
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad 38000, Pakistan; (U.B.T.); (M.M.)
| | - Asif Iqbal
- Department of Parasitology, Riphah College of Veterinary Sciences, Lahore 54000, Pakistan; (A.I.); (R.M.S.)
| | - Hafiz Muhammad Rizwan
- Section of Parasitology, Department of Pathobiology, Khan Bahadur Chaudhary Mushtaq Ahmad College of Veterinary and Animal Sciences, Narowal, Sub Campus UVAS, Lahore 54000, Pakistan
| | - Asma Kausar
- Livestock and Dairy Development (L&DD), Veterinary Research Institute, Lahore 54080, Pakistan;
| | - Urfa Bin Tahir
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad 38000, Pakistan; (U.B.T.); (M.M.)
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China
| | - Muhammad Younus
- Section of Pathology, Department of Pathobiology, Khan Bahadur Chaudhary Mushtaq Ahmad College of Veterinary and Animal Sciences, Narowal, Sub Campus UVAS, Lahore 54000, Pakistan;
| | - Mahvish Maqbool
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad 38000, Pakistan; (U.B.T.); (M.M.)
| | - Rao Muhammad Siddique
- Department of Parasitology, Riphah College of Veterinary Sciences, Lahore 54000, Pakistan; (A.I.); (R.M.S.)
| | - Dalia Fouad
- Department of Zoology, College of Science, King Saud University, P.O. Box 22452, Riyadh 11459, Saudi Arabia;
| | - Farid Shokry Ataya
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
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17
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Valcárcel F, Elhachimi L, Vilá M, Tomassone L, Sánchez M, Selles SMA, Kouidri M, González MG, Martín-Hernández R, Valcárcel Á, Fernández N, Tercero JM, Sanchis J, Bellido-Blasco J, González-Coloma A, Olmeda AS. Emerging Hyalomma lusitanicum: From identification to vectorial role and integrated control. MEDICAL AND VETERINARY ENTOMOLOGY 2023; 37:425-459. [PMID: 37144688 DOI: 10.1111/mve.12660] [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: 04/26/2022] [Accepted: 04/11/2023] [Indexed: 05/06/2023]
Abstract
In the Mediterranean basin, the tick species Hyalomma lusitanicum Koch stands out among other species of the Hyalomma genus due to its wide distribution, and there is great concern about its potential role as a vector and/or reservoir and its continuous expansion to new areas because of climate warming and human and other animal movements. This review aims to consolidate all the information on H. lusitanicum, including taxonomy and evolution, morphological and molecular identification, life cycle, sampling methods, rearing under laboratory conditions, ecology, hosts, geographical distribution, seasonality, vector role and control methods. The availability of adequate data is extremely relevant to the development of appropriate control strategies in areas where this tick is currently distributed as well as in new areas where it could become established in the near future.
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Affiliation(s)
- Félix Valcárcel
- Grupo de Parasitología Animal, Departamento de Reproducción Animal, INIA-CSIC, Madrid, Spain
| | - L Elhachimi
- Département de parasitologie et de Santé Publique, Institut Agronomique et Vétérinaire Hassan II, Rabat, Morocco
| | - M Vilá
- Grupo de Investigación COPAR (GI-2120; USC), Departamento de Patoloxia Animal, Facultade de Veterinaria, Universidade de Santiago de Compostela, Lugo, Spain
| | - L Tomassone
- Department of Veterinary Sciences, University of Turin, Turin, Italy
| | - M Sánchez
- Grupo de Parasitología Animal, Departamento de Reproducción Animal, INIA-CSIC, Madrid, Spain
- Villamagna S.A., Finca "La Garganta", Villanueva de Córdoba, Spain
- Facultad de Veterinaria, Universidad Alfonso X El Sabio (UAX), Madrid, Spain
| | - S M A Selles
- Institute of Veterinary Sciences, University of Tiaret, Tiaret, Algeria
- Laboratory of Research on Local Animal Products, University of Tiaret, Tiaret, Algeria
| | - M Kouidri
- Laboratory of Farm Animal Products, University of Tiaret, Tiaret, Algeria
| | - M G González
- Grupo de Parasitología Animal, Departamento de Reproducción Animal, INIA-CSIC, Madrid, Spain
- Villamagna S.A., Finca "La Garganta", Villanueva de Córdoba, Spain
| | - R Martín-Hernández
- Laboratorio de Patología Apícola, Centro de Investigación Apícola y Agroambiental (CIAPA), IRIAF-Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal, Marchamalo, 19180, Spain. Instituto de Recursos Humanos para la Ciencia y la Tecnología (INCRECYT-ESF/EC-FSE), Fundación Parque Científico y Tecnológico de Castilla-La Mancha, Albacete, Spain
| | - Á Valcárcel
- Lokimica S.L., c/ Valdemorillo, Madrid, Spain
- Veterinary Pathobiology section, University College Dublín, Dublin 4, Ireland
| | - N Fernández
- Facultad de Veterinaria, Universidad Alfonso X El Sabio (UAX), Madrid, Spain
| | - J M Tercero
- Villamagna S.A., Finca "La Garganta", Villanueva de Córdoba, Spain
| | - J Sanchis
- Facultad de Veterinaria, CENUR Litoral Norte, Universidad de la República, Uruguay
| | - J Bellido-Blasco
- Sección de Epidemiología, Centro de Salud Pública de Castelló, CIBER-ESP. Universitat Jaume I (UJI), Castelló, Spain
| | | | - A S Olmeda
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCM, Madrid, Spain
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18
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Alimi D, Hajri A, Jallouli S, Sebai H. Toxicity, repellency, and anti-cholinesterase activities of bioactive molecules from clove buds Syzygium aromaticum L. as an ecological alternative in the search for control Hyalomma scupense (Acari: Ixodidae). Heliyon 2023; 9:e18899. [PMID: 37600394 PMCID: PMC10432207 DOI: 10.1016/j.heliyon.2023.e18899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction The goal of the current study is to evaluate the acaricidal and repellent properties of the ethanolic extract, essential oil, and primary component eugenol from Syzygium aromaticum against Hyalomma scupense cattle ticks. Their potential mechanisms of action were also examined, using an in vitro assay. Methods Clove essential oil was extracted using hydrodistillation technique. Gas chromatography-mass spectrometry (GC-MS) was performed to identify the chemical composition of clove. To evaluate the adulticidal, ovicidal, larvicidal and repellent proprieties of clove essential oil, eugenol and ethanolic extract on H. scupense, in vitro assays were performed using the adult immersion test (AIT), the ovicidal test, the larval packet test (LPT), the filter paper test and anti-acetylcholinesterase (AChE) activity. Results After treatment, eugenol, the primary phytoconstituent of clove oil, which accounts for 97.66% of the whole oil, had 99.22% acaricide activity and inhibited egg hatching at a concentration of 10 mg/mL. Eugenol and clove essential oil showed potent adulticidal effect at high concentrations (10 mg/mL), achieving 100 and 93.76% mortality, respectively. The ethanolic extract exhibited moderate activity. At high concentration, the larvicidal activity of S. aromaticum oil, eugenol, and ethanolic extract were 100, 100, and 77.18%, respectively. In filter paper experiments, when tested at the concentration 5 mg/mL; eugenol showed the longest repellent effect up to 6 h. We also found that eugenol was the most active AChE inhibitor (IC50 = 0.178 mg/mL). Nevertheless, additional investigations are required to confirm the accurate mechanism and the relevance of clove in practical application. Conclusion Overall, our research indicated that, because its effectiveness as acaricide, S. aromaticum essential oil and its phytoconstituent eugenol may offer an alternative source for the control of H. scupense cattle ticks.
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Affiliation(s)
- Dhouha Alimi
- Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Habib Bourguiba Street, Box 382, 9000, Beja, University of Jendouba, Tunisia
| | - Azhar Hajri
- Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Habib Bourguiba Street, Box 382, 9000, Beja, University of Jendouba, Tunisia
| | - Selim Jallouli
- Laboratory of Bioactive Substances, Centre of Biotechnology of Borj Cedria, Box 901 Hammam-Lif 2050, Tunisia
| | - Hichem Sebai
- Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Habib Bourguiba Street, Box 382, 9000, Beja, University of Jendouba, Tunisia
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Zamiti S, Mhadhbi M, Dhibi M, Darghouth MA, Ben Said M. Development and field evaluation of PCR assays based on minimum length Bm86 cDNA fragments required for Rhipicephalus and Hyalomma tick species delineation. Front Vet Sci 2023; 10:1209210. [PMID: 37456966 PMCID: PMC10340088 DOI: 10.3389/fvets.2023.1209210] [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: 04/20/2023] [Accepted: 06/06/2023] [Indexed: 07/18/2023] Open
Abstract
Introduction Hyalomma and Rhipicephalus ticks are important genera that can transmit diseases to both animals and humans, including Crimean-Congo hemorrhagic fever, tick-borne encephalitis, and several types of spotted fever. The accurate identification of tick species is essential for the effective control and prevention of tick-borne diseases. However, traditional identification methods based on morphology can be challenging and subjective, leading to errors. The development of DNA markers has provided more precise and efficient methods for tick species identification, but the currently available markers have limitations in their discriminatory power and sensitivity. To address this need for more sensitive and specific markers, this study aimed to identify two minimum sequence fragments required for tick Hyalomma and Rhipicephalus species identification using the Bm86 cDNA marker, which has previously been shown to be in perfect agreement with the current taxonomy of hard ticks based on its complete sequence. Methods Based on our in silico determination that a minimum sequence of 398 bp for Rhipicephalus spp. (from 1487 to 1884) and 559 bp for Hyalomma species (from 539 to 1097) was necessary for species delineation, two distinct PCR assays were developed to apply these sequences in practice. Results and discussion Discrimination between species within each genus was achieved through sequence homology and phylogenetic analysis following the sequencing of the two PCR products. Subsequently, their performance was evaluated by testing them on the field-collected ticks of the Hyalomma and Rhipicephalus genera obtained from various host animals in different geographic regions of Tunisia. The use of shorter partial sequences specific to the tick genera Rhipicephalus and Hyalomma, which target the tick's RNA banks, could represent a significant advance in the field of tick species identification, providing a sensitive and discriminatory tool for interspecific and intraspecific diversity analysis.
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Affiliation(s)
- Sayed Zamiti
- Laboratory of Parasitology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, Manouba, Tunisia
| | - Moez Mhadhbi
- Laboratory of Parasitology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, Manouba, Tunisia
| | - Mokhtar Dhibi
- Laboratory of Parasitology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, Manouba, Tunisia
| | - Mohamed Aziz Darghouth
- Laboratory of Parasitology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, Manouba, Tunisia
| | - Mourad Ben Said
- Laboratory of Parasitology, National School of Veterinary Medicine of Sidi Thabet, University of Manouba, Manouba, Tunisia
- Department of Basic Sciences, Higher Institute of Biotechnology of Sidi Thabet, University of Manouba, Manouba, Tunisia
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Weidinger P, Kolodziejek J, Loney T, Kannan DO, Osman BM, Khafaga T, Howarth B, Sher Shah M, Mazrooei H, Wolf N, Karuvantevida N, Abou Tayoun A, Alsheikh-Ali A, Camp JV, Nowotny N. MERS-CoV Found in Hyalomma dromedarii Ticks Attached to Dromedary Camels at a Livestock Market, United Arab Emirates, 2019. Viruses 2023; 15:1288. [PMID: 37376588 DOI: 10.3390/v15061288] [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: 04/28/2023] [Revised: 05/23/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
The main mode of transmission of Middle East respiratory syndrome-related coronavirus (MERS-CoV) between dromedaries is likely via the respiratory route. However, there must be other modes to explain how the infection is brought to MERS-CoV-negative closed herds, such as transmission by ticks. Here, we present a study performed at three different locations in the United Arab Emirates (UAE) involving 215 dromedary camels (Camelus dromedarius) and the ticks attached to them. We tested the camels and ticks via RT-(q)PCR for the presence of MERS-CoV nucleic acids, as well as flaviviruses that may be present in the region (e.g., Alkhumra hemorrhagic fever virus). Camel sera were additionally analyzed for evidence of previous exposure to MERS-CoV. In total, 8 out of 242 tick pools were positive for MERS-CoV RNA (3.3%; Ct 34.6-38.3), 7 of which contained Hyalomma dromedarii ticks, and one contained a Hyalomma sp. tick (species not identified). All of the virus-positive ticks' host camels were also positive for MERS-CoV RNA in their nasal swab samples. Short sequences established in the N gene region from two positive tick pools were identical to viral sequences from their hosts' nasal swabs. In total, 59.3% of dromedaries at the livestock market had MERS-CoV RNA in their nasal swabs (Ct 17.7-39.5). While dromedaries at all locations were negative for MERS-CoV RNA in their serum samples, antibodies were detected in 95.2% and 98.7% of them (tested by ELISA and indirect immunofluorescence test, respectively). Given the probably transient and/or low level of MERS-CoV viremia in dromedaries and the rather high Ct values observed in the ticks, it seems unlikely that Hyalomma dromedarii is a competent vector for MERS-CoV; however, its role in mechanical or fomite transmission between camels should be investigated.
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Affiliation(s)
- Pia Weidinger
- Viral Zoonoses, Emerging and Vector-Borne Infections Group, Institute of Virology, University of Veterinary Medicine Vienna, 1210 Vienna, Austria
| | - Jolanta Kolodziejek
- Viral Zoonoses, Emerging and Vector-Borne Infections Group, Institute of Virology, University of Veterinary Medicine Vienna, 1210 Vienna, Austria
| | - Tom Loney
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai P.O. Box 505055, United Arab Emirates
| | - Dafalla O Kannan
- Al Ain City Municipality, Al Ain P.O. Box 1003, United Arab Emirates
| | | | - Tamer Khafaga
- Dubai Desert Conservation Reserve, Emirates Group, Dubai P.O. Box 686, United Arab Emirates
| | - Brigitte Howarth
- Natural History Museum Abu Dhabi (NHMAD), Department of Culture and Tourism, Abu Dhabi P.O. Box 94000, United Arab Emirates
| | - Moayyed Sher Shah
- Dubai Desert Conservation Reserve, Emirates Group, Dubai P.O. Box 686, United Arab Emirates
| | - Hessa Mazrooei
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai P.O. Box 505055, United Arab Emirates
| | - Nadine Wolf
- Viral Zoonoses, Emerging and Vector-Borne Infections Group, Institute of Virology, University of Veterinary Medicine Vienna, 1210 Vienna, Austria
| | - Noushad Karuvantevida
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai P.O. Box 505055, United Arab Emirates
| | - Ahmad Abou Tayoun
- Al Jalila Genomics Center of Excellence, Al Jalila Children's Specialty Hospital, Dubai P.O. Box 7662, United Arab Emirates
- Center for Genomic Discovery, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai P.O. Box 505055, United Arab Emirates
| | - Alawi Alsheikh-Ali
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai P.O. Box 505055, United Arab Emirates
| | - Jeremy V Camp
- Center for Virology, Medical University of Vienna, 1090 Vienna, Austria
| | - Norbert Nowotny
- Viral Zoonoses, Emerging and Vector-Borne Infections Group, Institute of Virology, University of Veterinary Medicine Vienna, 1210 Vienna, Austria
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai P.O. Box 505055, United Arab Emirates
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Nandi A, Solanki V, Tiwari V, Sajjanar B, Sankar M, Saini M, Shrivastava S, Bhure SK, Ghosh S. Protective Efficacy of Multiple Epitope-Based Vaccine against Hyalomma anatolicum, Vector of Theileria annulata and Crimean-Congo Hemorrhagic Fever Virus. Vaccines (Basel) 2023; 11:vaccines11040881. [PMID: 37112793 PMCID: PMC10143353 DOI: 10.3390/vaccines11040881] [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] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
Hyalomma anatolicum is the principal vector for Theileria annulata, T. equi, and T. Lestoquardi in animals and the Crimean-Congo hemorrhagic fever virus in humans. Due to the gradual loss of efficacy of the available acaricides against field tick populations, the development of phytoacaricides and vaccines has been considered the two most critical components of the integrated tick management strategies. In the present study, in order to induce both cellular and humoral immune responses in the host against H. anatolicum, two multi-epitopic peptides (MEPs), i.e., VT1 and VT2, were designed. The immune-stimulating potential of the constructs was determined by in silicoinvestigation on allergenicity (non-allergen, antigenic (0.46 and 1.0046)), physicochemical properties (instability index 27.18 and 35.46), as well as the interaction of constructs with TLRs by docking and molecular dynamics analysis. The immunization efficacy of the MEPs mixed with 8% MontanideTM gel 01 PR against H. anatolicum larvae was determined as 93.3% and 96.9% in VT1- and VT2-immunized rabbits, respectively. Against adults, the efficacy was 89.9% and 86.4% in VT1- and VT2-immunized rabbits, respectively. A significant (p < 0.001) reduction in the anti-inflammatory cytokine (IL-4) and significantly higher IgG response was observed in a VT1-immunized group of rabbits as compared with the response observed in the control group. However, in the case of the VT2-immunized rabbits, an elevated anti-VT2 IgG and pro-inflammatory cytokine (IL-2) (>30 fold) along with a decreased level of anti-inflammatory cytokine IL-4 (0.75 times) was noted. The efficacy of MEP and its potential immune stimulatory responses indicate that it might be useful for tick management.
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Affiliation(s)
- Abhijit Nandi
- Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Vandana Solanki
- Department of Biochemistry, Central University of Rajasthan, Bandarsindri, Ajmer 305817, India
| | - Vishvanath Tiwari
- Department of Biochemistry, Central University of Rajasthan, Bandarsindri, Ajmer 305817, India
| | - Basavaraj Sajjanar
- Veterinary Biotechnology Division, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Muthu Sankar
- Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Mohini Saini
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Sameer Shrivastava
- Veterinary Biotechnology Division, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - S K Bhure
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Srikant Ghosh
- Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
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Bonnet SI, Bertagnoli S, Falchi A, Figoni J, Fite J, Hoch T, Quillery E, Moutailler S, Raffetin A, René-Martellet M, Vourc’h G, Vial L. An Update of Evidence for Pathogen Transmission by Ticks of the Genus Hyalomma. Pathogens 2023; 12:pathogens12040513. [PMID: 37111399 PMCID: PMC10146795 DOI: 10.3390/pathogens12040513] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/15/2023] [Accepted: 03/22/2023] [Indexed: 03/29/2023] Open
Abstract
Current and likely future changes in the geographic distribution of ticks belonging to the genus Hyalomma are of concern, as these ticks are believed to be vectors of many pathogens responsible for human and animal diseases. However, we have observed that for many pathogens there are no vector competence experiments, and that the level of evidence provided by the scientific literature is often not sufficient to validate the transmission of a specific pathogen by a specific Hyalomma species. We therefore carried out a bibliographical study to collate the validation evidence for the transmission of parasitic, viral, or bacterial pathogens by Hyalomma spp. ticks. Our results show that there are very few validated cases of pathogen transmission by Hyalomma tick species.
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Abstract
Crimean-Congo haemorrhagic fever (CCHF) is a severe tick-borne illness with a wide geographical distribution and case fatality rates of 30% or higher. Caused by infection with the CCHF virus (CCHFV), cases are reported throughout Africa, the Middle East, Asia and southern and eastern Europe. The expanding range of the Hyalomma tick vector is placing new populations at risk for CCHF, and no licensed vaccines or specific antivirals exist to treat CCHF. Furthermore, despite cases of CCHF being reported annually, the host and viral determinants of CCHFV pathogenesis are poorly understood. CCHFV can productively infect a multitude of animal species, yet only humans develop a severe illness. Within human populations, subclinical infections are underappreciated and may represent a substantial proportion of clinical outcomes. Compared with other members of the Bunyavirales order, CCHFV has a more complex genomic organization, with many viral proteins having unclear functions in viral pathogenesis. In recent years, improved animal models have led to increased insights into CCHFV pathogenesis, and several antivirals and vaccines for CCHFV have shown robust efficacy in preclinical models. Translation of these insights and candidate therapeutics to the clinic will hopefully reduce the morbidity and mortality caused by CCHFV.
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Cannabis sativa: A look at protozoa, helminths, insect vectors, and pests. Fitoterapia 2023; 166:105467. [PMID: 36893925 DOI: 10.1016/j.fitote.2023.105467] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/09/2023]
Abstract
Active principles extracted from plants, such as essential oils, have been commonly described in the literature as therapeutic targets for numerous pathological conditions. Cannabis sativa, which has an ancient and peculiar history, has been used for various purposes, from recreational to compounds of pharmacotherapeutic and industrial importance, such as pesticides based on this plant. It is a plant that contains approximately 500 described cannabinoid compounds and is the target of in vitro and in vivo studies at different locations. This review clarifies the role of cannabinoid compounds in parasitic infections caused by helminths and protozoa. In addition, this study briefly presented the use of C. sativa constituents in the formulation of pesticides for vector control, as the latter topic is justified by the economic burden faced by several regions where vector-borne diseases are a troubling reality. Studies involving cannabis compounds with pesticidal potential should be encouraged, especially those that evaluate their effectiveness against the different life cycles of insects, seeking to interrupt vector proliferation after egg laying. Actions aimed at the management and cultivation of plant species with ecologically correct pharmacotherapeutic and pesticide potentials are becoming urgent.
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Kuibagarov M, Makhamed R, Zhylkibayev A, Berdikulov M, Abdrakhmanov S, Kozhabayev M, Akhmetollayev I, Mukanov K, Ryskeldina A, Ramankulov Y, Shustov A, Bauer C, Shevtsov A. Theileria and Babesia infection in cattle - First molecular survey in Kazakhstan. Ticks Tick Borne Dis 2023; 14:102078. [PMID: 36395616 DOI: 10.1016/j.ttbdis.2022.102078] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 10/17/2022] [Accepted: 11/04/2022] [Indexed: 11/07/2022]
Abstract
Central Asia, including Kazakhstan, is an endemic area of Theileria and Babesia infections in cattle. Current data on the geographic distribution, prevalence, and genetic diversity of these pathogens in vertebrate hosts are lacking in Kazakhstan. The present study aimed to fill this gap, using molecular techniques for the first time. A cross-sectional survey was performed on adult cattle from 40 villages in nine administrative districts of the provinces of Turkistan and Zhambyl, southern Kazakhstan, in summer 2020. A total of 766 blood samples were screened for Theileria annulata (enolase gene), Theileria orientalis (major piroplasm surface protein gene, MPSP) and Babesia spp. (18 S ribosomal RNA gene) using polymerase chain reaction. The genetic variability of Theileria spp. was assessed by sequencing one amplicon from each village. All Babesia spp. positive amplicons were sequenced to identify the species involved. The overall prevalence of infections with T. annulata, T. orientalis and Babesia spp. was 83.0% (40 villages positive), 33.3% (31 villages) and 13.5% (36 villages), respectively. Co-infections with two or three species were present in 48.9% of all positive cattle. Theileria annulata showing a high polymorphism of the enolase gene occurred with similar frequency in both provinces. Theileria orientalis was detected for the first time in Kazakhstan being significantly (P = 0.014) more prevalent in Zhambyl than in Turkistan. Fourteen genotypes of T. orientalis were identified; two belonged to the moderately virulent MPSP-type 1 ('Chitose') and the others to MPSP-type 3 ('Buffeli') which is considered avirulent. The prevalence of Babesia infection was significantly (P < 0.000) higher in Turkistan than in Zhambyl. An unequivocal identification of the species involved was possible in 127 sequenced samples: Babesia occultans was the most common species, followed by Babesia bigemina and Babesia major, the latter being the first record in the country. The results show that Theileria and Babesia infections in cattle are widespread and occur with remarkably high prevalence in the southern Kazakhstan. They also provide first data on the genetic diversity of the species involved.
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Affiliation(s)
- Marat Kuibagarov
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan.
| | - Riza Makhamed
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan
| | - Assylbek Zhylkibayev
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan
| | - Maxat Berdikulov
- National Veterinary Reference Center, 150 let Abaya Street 22/3, 010000 Astana, Kazakhstan
| | - Sarsenbay Abdrakhmanov
- S. Seifullin Kazakh Agrotechnical University, Faculty of Veterinary Medicine, Zhenis Avenue 62, 010011 Astana, Kazakhstan
| | - Mazhit Kozhabayev
- National Veterinary Reference Center, 150 let Abaya Street 22/3, 010000 Astana, Kazakhstan
| | - Ilyas Akhmetollayev
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan
| | - Kasim Mukanov
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan
| | - Anara Ryskeldina
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan
| | - Yerlan Ramankulov
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan
| | - Alexandr Shustov
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan
| | - Christian Bauer
- S. Seifullin Kazakh Agrotechnical University, Faculty of Veterinary Medicine, Zhenis Avenue 62, 010011 Astana, Kazakhstan; Institute of Parasitology, Justus Liebig University Giessen, Schubertstrasse 81, 35392 Giessen, Germany.
| | - Alexandr Shevtsov
- National Center for Biotechnology, Korgalzhyn Road 13/5, 010000 Nur-Sultan, Kazakhstan.
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Kumar R, Moudgil P, Gupta R, Jhandai P, Sharma M, Jindal N. Molecular investigations on outbreaks of ovine theileriosis among sheep and goats in Haryana, India. Trop Anim Health Prod 2022; 54:368. [DOI: 10.1007/s11250-022-03370-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 10/24/2022] [Indexed: 12/13/2022]
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Villanueva-Saz S, Borobia M, Fernández A, Jiménez C, Yzuel A, Verde MT, Ramo MÁ, Figueras L, Ruíz H. Anaemia in Sheep Caused by Babesia and Theileria Haemoparasites. Animals (Basel) 2022; 12:ani12233341. [PMID: 36496866 PMCID: PMC9738125 DOI: 10.3390/ani12233341] [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: 10/29/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Piroplasmoses in sheep are caused by vector-borne apicomplexan protozoa, Babesia and Theileria. Different species are responsible for the disease; some species are more pathogenic than others and have a worldwide distribution. In this sense, these causative agents can cause anaemia in flocks. In general, these vector-borne diseases infect small ruminants and cause host-mediated pathology. In the case of Babesia species, a combination of different mechanisms is involved: red blood cell lysis due to intracellular parasite multiplication, activation of biogenic amines and the coagulation system with the possibility of disseminated intravascular coagulation. By contrast, less information is available on the different immunopathogenic mechanisms involved in the development of anaemia in sheep with theileriosis. However, the mechanisms of pathogenic action in theileriosis are similar to those studied in babesiosis. Diagnosis is based on compatible clinical signs, laboratory findings, specific diagnostic tests and the presence of the tick vector. Some of these tests detect the causative agent itself, such as direct identification by light microscopy and molecular analysis. In contrast, other tests detect the sheep's immune response to the organism by serology. Both diseases pose a significant diagnostic challenge for veterinary practitioners around the world. This review presents the most frequent clinical signs, pathogenesis and clinicopathological findings, diagnosis.
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Bonnet SI, Vourc’h G, Raffetin A, Falchi A, Figoni J, Fite J, Hoch T, Moutailler S, Quillery E. The control of Hyalomma ticks, vectors of the Crimean–Congo hemorrhagic fever virus: Where are we now and where are we going? PLoS Negl Trop Dis 2022; 16:e0010846. [PMCID: PMC9671348 DOI: 10.1371/journal.pntd.0010846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
At a time of major global, societal, and environmental changes, the shifting distribution of pathogen vectors represents a real danger in certain regions of the world as generating opportunities for emergency. For example, the recent arrival of the Hyalomma marginatum ticks in southern France and the concurrent appearance of cases of Crimean–Congo hemorrhagic fever (CCHF)—a disease vectored by this tick species—in neighboring Spain raises many concerns about the associated risks for the European continent. This context has created an urgent need for effective methods for control, surveillance, and risk assessment for ticks and tick-borne diseases with a particular concern regarding Hyalomma sp. Here, we then review the current body of knowledge on different methods of tick control—including chemical, biological, genetical, immunological, and ecological methods—and the latest developments in the field, with a focus on those that have been tested against ticks from the genus Hyalomma. In the absence of a fully and unique efficient approach, we demonstrated that integrated pest management combining several approaches adapted to the local context and species is currently the best strategy for tick control together with a rational use of acaricide. Continued efforts are needed to develop and implement new and innovative methods of tick control. Disease-bearing Hyalomma ticks are an increasingly emerging threat to humans and livestock worldwide. Various chemical, biological, genetic, and ecological methods for tick control have been developed, with variable efficiencies. Today, the best tick control strategy involves an integrated pest management approach.
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Affiliation(s)
- Sarah I. Bonnet
- Animal Health Department, INRAE, Nouzilly, France
- Ecology and Emergence of Arthropod-borne Pathogens Unit, Institut Pasteur, CNRS UMR 2000, Université Paris-cité, Paris, France
- * E-mail:
| | - Gwenaël Vourc’h
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR EPIA, Saint-Genès-Champanelle, France
- Université de Lyon, INRAE, VetAgro Sup, UMR EPIA, Marcy l’Etoile, France
| | - Alice Raffetin
- Reference Centre for Tick-Borne Diseases, Paris and Northern Region, Department of Infectious Diseases, General Hospital of Villeneuve-Saint-Georges, 40 allée de la Source, Villeneuve-Saint-Georges, France
- EA 7380 Dynamyc, UPEC, Créteil, France
- Unité de recherche EpiMAI, USC ANSES, Ecole Nationale Vétérinaire d’Alfort, Maisons-Alfort, France
| | - Alessandra Falchi
- UR7310, Faculté de Sciences, Campus Grimaldi, Université de Corse, Corte, France
| | - Julie Figoni
- Santé publique France, 94410 Saint-Maurice, France
| | - Johanna Fite
- French Agency for Food, Environmental and Occupational Health & Safety, 14 rue Pierre et Marie Curie, Maisons-Alfort Cedex, France
| | | | - Sara Moutailler
- ANSES, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, France
| | - Elsa Quillery
- French Agency for Food, Environmental and Occupational Health & Safety, 14 rue Pierre et Marie Curie, Maisons-Alfort Cedex, France
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A Systematic Review of the Distribution of Tick-Borne Pathogens in Wild Animals and Their Ticks in the Mediterranean Rim between 2000 and 2021. Microorganisms 2022; 10:microorganisms10091858. [PMID: 36144460 PMCID: PMC9504443 DOI: 10.3390/microorganisms10091858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/28/2022] [Accepted: 09/14/2022] [Indexed: 11/17/2022] Open
Abstract
Tick-borne pathogens (TBPs) can be divided into three groups: bacteria, parasites, and viruses. They are transmitted by a wide range of tick species and cause a variety of human, animal, and zoonotic diseases. A total of 148 publications were found on tick-borne pathogens in wild animals, reporting on 85 species of pathogens from 35 tick species and 17 wild animal hosts between 2000 and February 2021. The main TBPs reported were of bacterial origin, including Anaplasma spp. and Rickettsia spp. A total of 72.2% of the TBPs came from infected ticks collected from wild animals. The main tick genus positive for TBPs was Ixodes. This genus was mainly reported in Western Europe, which was the focus of most of the publications (66.9%). It was followed by the Hyalomma genus, which was mainly reported in other areas of the Mediterranean Rim. These TBPs and TBP-positive tick genera were reported to have come from a total of 17 wild animal hosts. The main hosts reported were game mammals such as red deer and wild boars, but small vertebrates such as birds and rodents were also found to be infected. Of the 148 publications, 12.8% investigated publications on Mediterranean islands, and 36.8% of all the TBPs were reported in seven tick genera and 11 wild animal hosts there. The main TBP-positive wild animals and tick genera reported on these islands were birds and Hyalomma spp. Despite the small percentage of publications focusing on ticks, they reveal the importance of islands when monitoring TBPs in wild animals. This is especially true for wild birds, which may disseminate their ticks and TBPs along their migration path.
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Araújo PS, Caixeta MB, Canedo A, Nunes EDS, Monteiro C, Rocha TL. Toxicity of plant-based silver nanoparticles to vectors and intermediate hosts: Historical review and trends. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 834:155299. [PMID: 35439509 DOI: 10.1016/j.scitotenv.2022.155299] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 04/05/2022] [Accepted: 04/11/2022] [Indexed: 06/14/2023]
Abstract
Green nanoparticles (GNPs), mainly green silver nanoparticles (Ag NPs), have been recommended as sustainable and eco-friendly technologies to control vectors and intermediate hosts. The aim of the current study is to carry out a historical and systematic literature review about the use of green plant-based Ag NPs (GP-Ag NPs) to control medically important mosquito, tick and gastropods. Data about the number of studies published per year, geographical distribution of studies (mailing address of the corresponding author), synthesis type (plant species, plant structure and extract types), physicochemical properties of GP-Ag NPs, experimental designs, developmental stages and the toxic effects on mosquitoes, ticks and gastropods were summarized and discussed. Revised data showed that GP-Ag NPs synthesis and toxicity in mosquitoes, ticks and snails depend on plant species, plant part, extract types, exposure condition and on the analyzed species. GP-Ag NPs induced mortality, tissue damage, biochemical and behavioral changes in mosquitoes and reduced their fecundity, oviposition, egg hatching and longevity. Ticks exposed to GP-Ag NPs presented increased mortality and reduced oviposition, while on snails, studies demonstrated mortality, oxidative stress, and DNA damage. Immune responses were also observed in snails after their exposure to GP-Ag NPs. GP-Ag NPs reduced the reproduction and population of several vectors and intermediate hosts. This finding confirms their potential to be used in gastropod control programs. Future studies about current gaps in knowledge are recommended.
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Affiliation(s)
- Paula Sampaio Araújo
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Maxwell Batista Caixeta
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Aryelle Canedo
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Eloiza da Silva Nunes
- Laboratory of Materials and Electroanalytics, Goiano Federal Institute of Education, Science, and Technology, Rio Verde, Goiás, Brazil
| | - Caio Monteiro
- Biology, Ecology and Tick Control Laboratory, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil.
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Molecular Detection and Differentiation of Different Theileria Species in Naturally Infected Goats Using Nested PCR-RFLP: A First Report from Northern India. Acta Parasitol 2022; 67:997-1006. [PMID: 35441980 DOI: 10.1007/s11686-022-00553-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 04/04/2022] [Indexed: 11/01/2022]
Abstract
PURPOSE Theileriosis is an economically important tick-borne pathogen with a serious impact on livestock health and productivity. Despite the fact that bovine theileriosis has been widely investigated, there exists a paucity of information on these infections in small ruminants, especially in India. The present study was carried out to detect and differentiate different Theileria spp. in goats using nested PCR RFLP. METHODS Blood samples and ticks were collected from 405 goats in various agro-climatic zones of Haryana state, India. The blood samples were screened by microscopy, nested PCR-RFLP, and sequence analysis. The nested PCR-RFLP was performed with four restriction enzymes viz., Hpa II, Bsh 1285I, Hae II and Rsa I. Six nested PCR amplicons with different RFLP patterns were sequenced and submitted to NCBI (OM666861, MZ220430, OM666628, MZ220437, OM666637, OM721806). RESULTS Microscopy revealed 18.27% (n = 74) infection with Theileria spp., while 33.58% (n = 136) of blood samples were confirmed positive by nested PCR. Out of 136 positive samples, 43.38% (n = 59), 11.02% (n = 15) and 20.58% (n = 28), were positive for T. ovis, T. lestoquardi and T. luwenshuni (Theileria sp. China 1), respectively. Mixed infection was detected in 25% (n = 34) cases. Based upon Hpa II digestion pattern, 13 samples with T. lestoquardi and T. ovis, and 21 samples with T. ovis and T. luwenshuni were detected. Sequence study further confirmed their identity. The majority of ticks collected from goats were identified as Rhipicephalus spp., Hyalomma anatolicum and Hemaphysalis spp. CONCLUSION This study represents the first confirmed molecular report of goats infected with T. ovis, T. lestoquardi, and T. luwenshuni from northern India.
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Hajri A, Alimi D, Sebai H. Synthesis, Characterization and In Vitro Acaricidal Activity of New [1,2,4]Triazolo[4,3-b][1,2,4,6]thiatriazine 1,1-Dioxides against the Cattle Tick Hyalomma Scupense. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1070428022060161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Pillay A, Manyangadze T, Mukaratirwa S. Prevalence of Rickettsia africae in tick vectors collected from mammalian hosts in sub-Saharan Africa: A systematic review and meta-analysis. Ticks Tick Borne Dis 2022; 13:101960. [DOI: 10.1016/j.ttbdis.2022.101960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 04/08/2022] [Accepted: 04/21/2022] [Indexed: 11/29/2022]
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Molecular identification of Theileria species in naturally infected sheep using nested PCR-RFLP. Parasitol Res 2022; 121:1487-1497. [PMID: 35314893 DOI: 10.1007/s00436-022-07489-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 03/09/2022] [Indexed: 10/18/2022]
Abstract
Ovine theileriosis is an important tick-borne haemoprotozoan disease of sheep in tropical and subtropical regions, causing severe productivity and economic loss. There is a paucity of information related to molecular studies of ovine theileriosis from India. The present study identified different Theileria spp. in naturally infected sheep using nested PCR-restriction fragment length polymorphism (nPCR-RFLP). Blood samples and ticks were collected from 204 sheep in different agro-climatic zones of Haryana state, India, during the tick active season. Microscopic examination of thin blood smears revealed 33.3% (68/204) infections with Theileria spp., while 44.6% (91/204) of blood samples were positive by nPCR assay. Different Theileria spp. were identified based upon RFLP patterns using four restriction enzymes: Hpa II, Bsh 1285I, Hae II and Rsa I. Out of 91 positive samples, 50.5% (46/91), 23.08% (21/91), 11% (10/91) and 2.2% (2/91) were positive for T. ovis, T. lestoquardi, T. luwenshuni (Theileria sp. China 1/Theileria sp. China) and T. annulata, respectively. Mixed infection was detected in 13.2% (12/91) of cases. Based upon HpaII enzymatic digestion pattern, two samples with T. lestoquardi and T. annulata, nine samples with T. lestoquardi and T. ovis and one sample with T. ovis and T. annulata were detected. The presence of these Theileria spp. was further confirmed by sequence analysis. The majority of ticks collected from sheep were identified as Rhipicephalus spp. followed by Hyalomma anatolicum and Hemaphysalis spp. The present investigation depicts the first comprehensive molecular report of naturally infected sheep with T. ovis, T. lestoquardi, T. annulata and T. luwenshuni from northern India.
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Babesia and Theileria Identification in Adult Ixodid Ticks from Tapada Nature Reserve, Portugal. Pathogens 2022; 11:pathogens11020222. [PMID: 35215163 PMCID: PMC8876925 DOI: 10.3390/pathogens11020222] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/02/2022] [Accepted: 02/04/2022] [Indexed: 12/04/2022] Open
Abstract
This study, conducted in a nature reserve in southern Portugal, investigated the frequency and diversity of tick-borne piroplasms in six species of adult ixodid ticks removed from 71 fallow deer (Dama dama) and 12 red deer (Cervus elaphus), collected over the period 2012–2019. The majority of 520 ticks were Ixodes ricinus (78.5%), followed by Rhipicephalus sanguineus sensu lato, Hyalomma lusitanicum, Haemaphysalis punctata, Dermacentor marginatus, and Ixodes hexagonus. The R. sanguineus ticks collected from the deer were clearly exophilic, in contrast to the endophilic species usually associated with dogs. Four tick-borne piroplasms, including Theileria spp., and the zoonotic species, Babesia divergens and Babesia microti, were detected. B. divergens 18S rDNA, identical to that of the bovine reference strain U16370 and to certain strains from red deer, was detected in I. ricinus ticks removed from fallow deer. The sporadic detection of infections in ticks removed from the same individual hosts suggests that the piroplasms were present in the ticks rather than the hosts. Theileria sp OT3 was found in I. ricinus and, along with T. capreoli, was also detected in some of the other tick species. The natural vector and pathogenic significance of this piroplasm are unknown.
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The Piroplasmida Babesia, Cytauxzoon, and Theileria in farm and companion animals: species compilation, molecular phylogeny, and evolutionary insights. Parasitol Res 2022; 121:1207-1245. [DOI: 10.1007/s00436-022-07424-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 01/02/2022] [Indexed: 12/13/2022]
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Alimi D, Hajri A, Jallouli S, Sebai H. Efficacy of synergistic activity of seed oils from Carthamus tinctorius (Safflower) and Nasturtium officinale (Watercress) on the lethality of the cattle tick Hyalomma scupense (Acari: Ixodidae). Open Vet J 2022; 12:80-90. [PMID: 35342738 PMCID: PMC8956231 DOI: 10.5455/ovj.2022.v12.i1.10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/10/2022] [Indexed: 11/26/2022] Open
Abstract
Background Ticks and tick-borne diseases are a severe economic and public-health problem for cattle producers. The emergence of acaricide resistance to synthetic chemical treatments has prompted interest in developing alternative tick control methods. Aim The main objective of the current research was to identify the chemical structure of Carthamus tinctorius and Nasturtium officinale seed oils and to assess their anti-tick properties against Hyalomma scupense ticks both alone and in combination (1:1). Methods Analytical methods were used to analyze the chemical components. For in vitro assays, adults of H. scupense were immersed in C. tinctorius and N. officinale seed oils at 100, 125, 200, and 300 mg/ml concentrations; for 5 minutes. Larvae of H. scupense were dipped in 25, 50, 100, 125, 200, and 300 mg/ml doses of seed oils; the mortality percentage was determined after 24 hours. Results The seed oil safflower was mainly composed of linoleic acid (84.48%), followed by palmitic acid (6.54%) and stearic acid (3.77%). Meanwhile, watercress seed oil was mainly composed of linolenic acid (50.78%), gondoic acid (13.57%), linoleic acid (10.58%), palmitic acid (8.02%), and erucidic acid (6.62%). The Adults Immersion Test showed the sensitivity of ticks to C. tinctorius and N. officinale seed oil: C. tinctorius seed oil caused (95%) mortality of H. scupense at 300 mg/ml, while N. officinale seed oil induced (88.68%) mortality at the same concentration. At a 200 mg/ml concentration, C. tinctorius and N. officinale oil combined caused 100% mortality. Tested oils showed larvicidal efficacy. LC50 values for C. tinctorius and N. officinale seed oils were 84.16 and 61.78 mg/ml, respectively, in 24 hours. LC50 value of oils association (50% C. tinctorius: 50% N. officinale) was 47.96 mg/ml.The mixture of seed oils from two plants tested against H. scupense larvae and adult females at a 1:1 ratio showed synergistic interaction. Conclusion Seed oils tested alone, and the mixture could be used as an alternative solution in the fight against ticks.
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Affiliation(s)
- Dhouha Alimi
- Laboratory of Functional Physiology and Valorization of Bio-resources (UR17ES27), Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
| | - Azhar Hajri
- Laboratory of Functional Physiology and Valorization of Bio-resources (UR17ES27), Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
| | - Selim Jallouli
- Laboratory of Bioactive Substances, Centre of Biotechnology of Borj Cedria, Hammam-Lif, Tunisia
| | - Hichem Sebai
- Laboratory of Functional Physiology and Valorization of Bio-resources (UR17ES27), Higher Institute of Biotechnology of Beja, University of Jendouba, Beja, Tunisia
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Lesiczka PM, Daněk O, Modrý D, Hrazdilová K, Votýpka J, Zurek L. A new report of adult Hyalomma marginatum and Hyalomma rufipes in the Czech Republic. Ticks Tick Borne Dis 2021; 13:101894. [PMID: 34996002 DOI: 10.1016/j.ttbdis.2021.101894] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/12/2021] [Accepted: 12/22/2021] [Indexed: 11/17/2022]
Abstract
Hyalomma marginatum and Hyalomma rufipes are important vectors of Crimean-Congo Hemorrhagic Fever Virus (CCHFV) in North Africa and Southern Europe. They are occasionally also reported from Central and Western Europe where they are likely introduced from their natural range by migratory birds. In this study, we report findings and molecular identification of adults and one nymph of H. marginatum and H. rufipes, primarily from horses from different regions of the Czech Republic. While the number of the reported ticks is small, this is likely to be an underrepresentation of the actual number. Due to their vector competence for CCHFV and potential expansion into new areas with a changing climate, surveillance programs in Europe are warranted.
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Affiliation(s)
- Paulina Maria Lesiczka
- Department of Pathological Morphology and Parasitology, Faculty of Veterinary Medicine, University of Veterinary Sciences, Palackého třída 1946/1, Brno, Czech Republic; CEITEC, University of Veterinary Sciences, Palackého třída 1946/1, Brno, Czech Republic
| | - Ondřej Daněk
- Department of Pathological Morphology and Parasitology, Faculty of Veterinary Medicine, University of Veterinary Sciences, Palackého třída 1946/1, Brno, Czech Republic; CEITEC, University of Veterinary Sciences, Palackého třída 1946/1, Brno, Czech Republic
| | - David Modrý
- Department of Pathological Morphology and Parasitology, Faculty of Veterinary Medicine, University of Veterinary Sciences, Palackého třída 1946/1, Brno, Czech Republic; Biology Centre, Institute of Parasitology, Czech Academy of Sciences, Branišovská 31, České Budějovice, Czech Republic; Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, Brno, Czech Republic; Department of Veterinary Sciences/CINeZ, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcka 129, Prague, Czech Republic
| | - Kristýna Hrazdilová
- CEITEC, University of Veterinary Sciences, Palackého třída 1946/1, Brno, Czech Republic; Faculty of Medicine in Pilsen, Biomedical Center, Charles University, alej Svobody 1655/76, Plzeň, Czech Republic
| | - Jan Votýpka
- Biology Centre, Institute of Parasitology, Czech Academy of Sciences, Branišovská 31, České Budějovice, Czech Republic; Department of Parasitology, Faculty of Science, Charles University, Viničná 7, Prague, Czech Republic
| | - Ludek Zurek
- CEITEC, University of Veterinary Sciences, Palackého třída 1946/1, Brno, Czech Republic; Department of Microbiology, Nutrition and Dietetics/CINeZ, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, Prague, Czech Republic; Department of Chemistry and Biochemistry, Mendel University, Zemedelska 1665, Brno, Czech Republic.
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Benyahia H, Diarra AZ, Gherissi DE, Bérenger JM, Benakhla A, Parola P. Molecular and MALDI-TOF MS characterisation of Hyalomma aegyptium ticks collected from turtles and their associated microorganisms in Algeria. Ticks Tick Borne Dis 2021; 13:101858. [PMID: 34814065 DOI: 10.1016/j.ttbdis.2021.101858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 09/27/2021] [Accepted: 10/15/2021] [Indexed: 01/17/2023]
Abstract
The identification of ticks and their associated pathogens is important for knowledge on tick-borne diseases. The objective of this study was to use morphological, matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) and/or molecular biology tools to identify ticks collected from turtles in north-eastern Algeria, as well as to investigate the microorganisms associated with these ticks. A total of 471 adult ticks were collected and identified morphologically as Hyalomma aegyptium, of which 248 (52.7%) were female and 223 (47.3%) were male. amongst them, 230 specimens were randomly selected for molecular and MALDI-TOF MS analysis. Molecular biology confirmed that our ticks were Hy. aegyptium. MALDI-TOF MS analysis revealed that 100% of the spectra were of excellent quality. Four spectra were selected to update our own database MALDI-TOF MS arthropod. The blind test of the 226 remaining spectra showed that all ticks were correctly identified, with scores ranging from 1.774 to 2.655 with a mean of 2.271 ± 0.16 of which, 223 (98.6%) had log score value (LSV)>1.8. Molecular biology screening showed that the ticks carried the DNA of Borrelia turcica, Rickettsia africae, Rickettsia aeschlimannii, Rickettsia sibirica mongolitimonae and with the Anaplasmataceae were close to a potentially new, undescribed Ehrlichia sp. This study confirms that MALDI-TOF MS is a reliable tool for the identification of ticks and that ticks collected from turtles in Algeria are carriers of several species of microorganisms which may be responsible for diseases in humans and animals.
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Affiliation(s)
- Hanene Benyahia
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Adama Zan Diarra
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Djalel Eddine Gherissi
- Institute of Veterinary and Agronomic Sciences, Mohamed Cherif Messaadia University, Souk-Ahras, Algeria.
| | - Jean-Michel Bérenger
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Ahmed Benakhla
- Department of Veterinary Sciences, Chadli Bendjedid University, El Tarf, Algeria
| | - Philippe Parola
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France.
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Norte AC, Harris DJ, Silveira D, Nunes CS, Núncio MS, Martínez EG, Giménez A, de Sousa R, Lopes de Carvalho I, Perera A. Diversity of microorganisms in Hyalomma aegyptium collected from spur-thighed tortoise (Testudo graeca) in North Africa and Anatolia. Transbound Emerg Dis 2021; 69:1951-1962. [PMID: 34125999 DOI: 10.1111/tbed.14188] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 06/04/2021] [Indexed: 01/19/2023]
Abstract
Ticks carry a diverse community of microorganisms including non-pathogenic symbionts, commensals, and pathogens, such as viruses, bacteria, protozoans, and fungi. The assessment of tick-borne microorganisms (TBM) in tortoises and their ticks is essential to understand their eco-epidemiology, and to map and monitor potential pathogens to humans and other animals. The aim of this study was to characterize the diversity of microorganisms found in ticks collected from the spur-thighed tortoise (Testudo graeca) in North Africa and Anatolia. Ticks feeding on wild T. graeca were collected, and pathogens were screened by polymerase chain reaction using group-specific primers. In total, 131 adult Hyalomma aegyptium ticks were collected from 92 T. graeca in Morocco (n = 48), Tunisia (n = 2), Algeria (n = 70), and Turkey (n = 11). Bacteria and protozoa detected included Hemolivia mauritanica (22.9%), Midichloria mitochondrii (11.4%), relapsing-fever borreliae (8.4%), Ehrlichia spp. (7.6%), Rickettsia spp. (3.4%), Borrelia burgdorferi s.l. (0.9%), Francisella spp. (0.9%), and Wolbachia spp. (0.8%). The characterization of Rickettsia included R. sibirica mongolitimonae (Algeria), R. aeschlimannii (Turkey), and R.africae (Morocco). Hemolivia mauritanica and Ehrlichia spp. prevalence varied significantly with the sampling region/country. We did not detect significant associations in microorganism presence within ticks, nor between microorganism presence and tick mitochondrial DNA haplogroups. This is the first report of Francisella persica-like, relapsing fever borreliae, M. mitochondrii, and Wolbachia spp. in H. aegyptium ticks collected from wild hosts from the South and Eastern Mediterranean region, and of R. sibirica mongolitimonae and R. africae in H. aegyptium from Algeria and Morocco, respectively. Given that T. graeca is a common species in commercial and non-commercial pet trade, the evaluation of the role of this species and its ticks as hosts for TBM is particularly relevant for public health.
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Affiliation(s)
- Ana Cláudia Norte
- MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, Coimbra, Portugal.,Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - David James Harris
- CIBIO/InBIO - Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal
| | - Diogo Silveira
- CIBIO/InBIO - Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal
| | - Carolina Saramago Nunes
- Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - Maria Sofia Núncio
- Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - Eva Graciá Martínez
- Departamento de Biología Aplicada, Universidad Miguel Hernández, Elche, Spain.,Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Elche, Spain
| | - Andrés Giménez
- Departamento de Biología Aplicada, Universidad Miguel Hernández, Elche, Spain.,Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Elche, Spain
| | - Rita de Sousa
- Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - Isabel Lopes de Carvalho
- Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - Ana Perera
- CIBIO/InBIO - Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal
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