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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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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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Moudgil AD, Nehra AK, Vohra S. Phylogeography and demographic dynamics of Rhipicephalus microplus from North India. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2023:105464. [PMID: 37301335 DOI: 10.1016/j.meegid.2023.105464] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 05/18/2023] [Accepted: 06/05/2023] [Indexed: 06/12/2023]
Abstract
Rhipicephalus microplus, a hematophagous vector prevalent in the tropics and subtropics, is responsible for huge economic losses throughout the globe. However, the taxonomy of the tick species, especially prevalent in north India and south China has been challenged in the recent past. The present study attempted to assess the cryptic status of R. microplus ticks of north India based on two mitochondrial markers; the 16S rRNA and cox1 gene sequences. The phylogenetic tree corresponding to both markers demonstrated the presence of three distinct genetic assemblages/ clades of R. microplus. The present study isolates (n = five and seven for the cox1 and 16S rRNA gene sequences, respectively) from north India along with other isolates from India assorted in the R. microplus clade C sensu. Based on the median joining network analysis corresponding to the 16S rRNA gene sequence, 18 haplotypes were recorded, exhibiting a stellate shape, which was indicative of rapid population expansion. For the cox1 gene, the haplotypes corresponding to clades A, B and C were distantly placed with two exceptions. While performing the population structure analysis, low nucleotide (0.04745 ± 0.00416 and 0.01021 ± 0.00146) and high haplotype diversities (0.913 ± 0.032 and 0.794 ± 0.058) were recorded for the different clades of R. microplus based on the cox1 and 16S rRNA mitochondrial markers, respectively. Eventually, high genetic differentiation and low gene flow were recorded among the different clades. A negative value for the neutrality indices (Tajima's D = -1.44125, Fu's Fs = -4.879, Fu and Li's D = -2.78031 and Fu and Li's F = -2.75229) corresponding to the 16S rRNA gene for the overall dataset evinced an expansion of population size. Based on the detailed studies, it was inferred that the R. microplus tick species circulating in north India belonged to clade C sensu, similar to that of the species prevalent in the other parts of the country as well as in the Indian subcontinent.
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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
| | - 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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Grant AN, Lineberry MW, Sundstrom KD, Allen KE, Little SE. Geographic Distribution and Seasonality of Brown Dog Tick Lineages in the United States. JOURNAL OF MEDICAL ENTOMOLOGY 2023; 60:102-111. [PMID: 36342085 PMCID: PMC9835752 DOI: 10.1093/jme/tjac172] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Indexed: 06/16/2023]
Abstract
Two lineages of brown dog ticks (Rhipicephalus sanguineus sensu lato (s.l.), Latreille [Acari: Ixodidae]) have been described in North America: temperate and tropical. To characterize the distribution of these lineages across this region and evaluate seasonal activity, a 12S rRNA mitochondrial gene fragment was sequenced from R. sanguineus s.l. collected from hundreds of dogs and cats from different locations across 25 of the 50 states from 2018 to 2021. Infestations with temperate lineage predominated (78.5%) and were identified on pets from 20 states, with most (83.5%) from areas with annual mean daily average temperature <20°C. Tropical lineage submissions were less common (19.3%), submitted from 15 states, and most (80.0%) tropical lineage ticks were from areas with an annual mean daily average temperature >20°C. Although travel history was not obtained for all dogs, when tropical lineage infestations were found in colder regions, follow up conversations with veterinarians suggested some of these infestations may have resulted from recent travel of dogs. A limited number (2.2%) of dogs from Arizona and Texas were co-infested with both lineages. Both temperate and tropical lineage ticks were collected from pets in every month of the year. Temperate lineage infestations were primarily collected March through August while tropical lineage infestations were more often collected June through November. These data confirm at least two lineages of R. sanguineus s.l. are present in the United States, each predominating in distinct, overlapping geographies, and suggest that peak activity of each lineage occurs at different times of the year.
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Affiliation(s)
- Amber N Grant
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
| | - Megan W Lineberry
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
| | - Kellee D Sundstrom
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
| | - Kelly E Allen
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK, USA
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Bonilla-Aldana DK, Gutiérrez-Grajales EJ, Martínez-Arboleda JP, Reina-Mora MA, Trejos-Mendoza AE, Pérez-Vargas S, Valencia-Mejía L, Marín-Arboleda LF, Osorio-Navia D, Chacón-Peña M, González-Colonia LV, Cardona-Ospina JA, Jiménez-Posada EV, Diaz A, Salazar JC, Sierra M, Muñoz-Lara F, Zambrano LI, Ramírez-Vallejo E, Álvarez JC, Jaramillo-Delgado IL, Pecho-Silva S, Paniz-Mondolfi A, Faccini-Martínez ÁA, Rodríguez-Morales AJ. Seroprevalence canine survey for selected vector-borne pathogens of and its relationship with poverty in metropolitan Pereira, Colombia, 2020. Parasite Epidemiol Control 2022; 17:e00249. [PMID: 35493769 PMCID: PMC9048108 DOI: 10.1016/j.parepi.2022.e00249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 03/01/2022] [Accepted: 03/29/2022] [Indexed: 11/19/2022] Open
Affiliation(s)
- D. Katterine Bonilla-Aldana
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
- Committee of Tropical Medicine, Zoonoses and Travel Medicine, Asociación Colombiana de Infectología, Bogotá, Colombia
| | - Erwin J. Gutiérrez-Grajales
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
| | - J. Paola Martínez-Arboleda
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - María Angelica Reina-Mora
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Adrián E. Trejos-Mendoza
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Soffia Pérez-Vargas
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Lorenzo Valencia-Mejía
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Luisa F. Marín-Arboleda
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Daniela Osorio-Navia
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | - Mariana Chacón-Peña
- Semillero de Investigación en Zoonosis (SIZOO), Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
| | | | - Jaime A. Cardona-Ospina
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
- Grupo de Investigación Biomedicina, Faculty of Medicine, Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Grupo de Investigación en Infecciones Emergentes y Medicina Tropical, Instituto para la Investigación en Ciencias Biomédicas, SCI-HELP, Pereira, Risaralda, Colombia
- Committee of Tropical Medicine, Zoonoses and Travel Medicine, Asociación Colombiana de Infectología, Bogotá, Colombia
| | - Erika Vanessa Jiménez-Posada
- Grupo de Investigación en Infecciones Emergentes y Medicina Tropical, Instituto para la Investigación en Ciencias Biomédicas, SCI-HELP, Pereira, Risaralda, Colombia
| | | | | | - Manuel Sierra
- Unit of Scientific Research, School of Medical, Faculty of Medical Sciences, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
| | - Fausto Muñoz-Lara
- Department of Internal Medicine, Faculty of Medical Sciences, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
- Department of Internal Medicine, Hospital Escuela, Tegucigalpa, Honduras
| | - Lysien I. Zambrano
- Unit of Scientific Research, School of Medical, Faculty of Medical Sciences, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
| | | | - Juan Camilo Álvarez
- Grupo de Investigación One-Health, Departamento de Investigación de Enfermedades Infecciosas en Animales, Centro de Diagnóstico Especializado Testmol, Medellín, Antioquia, Colombia
| | - Ingrid Lorena Jaramillo-Delgado
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
- Grupo de Investigación One-Health, Departamento de Investigación de Enfermedades Infecciosas en Animales, Centro de Diagnóstico Especializado Testmol, Medellín, Antioquia, Colombia
| | - Samuel Pecho-Silva
- Universidad Cientifica del Sur, Lima, Peru
- Hospital Nacional Edgardo Rebagliati Martins, Lima, Peru
| | - Alberto Paniz-Mondolfi
- Laboratory of Medical Microbiology, Department of Pathology, Molecular and Cell-based Medicine, The Mount Sinai Hospital-Icahn School of Medicine at Mount Sinai, New York, USA
| | - Álvaro A. Faccini-Martínez
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, USA
- Committee of Tropical Medicine, Zoonoses and Travel Medicine, Asociación Colombiana de Infectología, Bogotá, Colombia
| | - Alfonso J. Rodríguez-Morales
- Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia
- Red Colombiana de Enfermedades Transmitidas por Garrapatas en Pequeños Animales (RECEPA) – Colombian Network of Tick-Borne Diseases in Small Animals (RECEPA), Pereira, Risaralda, Colombia
- Grupo de Investigación Biomedicina, Faculty of Medicine, Fundación Universitaria Autónoma de las Américas, Pereira, Risaralda, Colombia
- Grupo de Investigación en Infecciones Emergentes y Medicina Tropical, Instituto para la Investigación en Ciencias Biomédicas, SCI-HELP, Pereira, Risaralda, Colombia
- Universidad Cientifica del Sur, Lima, Peru
- Committee of Tropical Medicine, Zoonoses and Travel Medicine, Asociación Colombiana de Infectología, Bogotá, Colombia
- Corresponding author at: Institución Universitaria Visión de las Américas, Pereira, Risaralda, Colombia.
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Ticks infesting humans in Central America: A review of their relevance in public health. CURRENT RESEARCH IN PARASITOLOGY & VECTOR-BORNE DISEASES 2021; 2:100065. [PMID: 36589874 PMCID: PMC9795346 DOI: 10.1016/j.crpvbd.2021.100065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/09/2021] [Accepted: 11/27/2021] [Indexed: 01/04/2023]
Abstract
Ticks are blood-sucking arthropods that parasitize most groups of terrestrial or semiaquatic vertebrates. Humans are accidental hosts to the ticks; however, in humans the ticks can cause damages varying from simple irritation to severe allergies, toxicosis, paralysis, and the transmission of pathogens, some of which can be fatal. Central America represents a narrow isthmus between North and South America and is considered a biodiversity hotspot. The importance of tick-borne diseases in this region is manifested by fatal outbreaks caused by Rickettsia rickettsii, severe and mild cases of other rickettsioses, ehrlichiosis, and tick-borne relapsing fevers, in addition to cases paralysis and strong allergic reactions. Even so, this information is scarce in most countries of this region, and there are no epidemiological data. In this article we present a review of the ticks that parasitize humans in Central America, covering data from the 19th Century to the present day. Of nearly 80 tick species reported in Central America, 28 species are reported on humans. This list includes species that thrive within homes, grazing areas and, to a lesser extent, in wild environments, both in lowland and high mountain forests. The most important genus in this region is Amblyomma, followed by Rhipicephalus and Ornithodoros, and to a lesser extent Haemaphysalis, Ixodes and Dermacentor. These data provide information on the tick species most commonly associated with humans in Central America, and highlight the potential for tick-borne diseases in wild, rural and urban regions.
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