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Kelava S, Apanaskevich DA, Shao R, Gofton AW, Mans BJ, Teo EJM, Norval G, Barker D, Nakao R, Barker SC. Insights from entire mitochondrial genome sequences into the phylogeny of ticks of the genera Haemaphysalis and Archaeocroton with the elevation of the subgenus Alloceraea Schulze, 1919 back to the status of a genus. MEDICAL AND VETERINARY ENTOMOLOGY 2024; 38:189-204. [PMID: 38469668 DOI: 10.1111/mve.12708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 01/16/2024] [Indexed: 03/13/2024]
Abstract
We used entire mitochondrial (mt) genome sequences (14.5-15 kbp) to resolve the phylogeny of the four main lineages of the Haematobothrion ticks: Alloceraea, Archaeocroton, Bothriocroton and Haemaphysalis. In our phylogenetic trees, Alloceraea was the sister to Archaeocroton sphenodonti, a tick of an archetypal reptile, the tuatara, from New Zealand, to the exclusion of the rest of the species of Haemaphysalis. The mt genomes of all four of the Alloceraea species that have been sequenced so far had a substantial insert, 132-312 bp, between the tRNA-Glu (E) gene and the nad1 gene in their mt genomes. This insert was not found in any of the other eight subgenera of Haemaphysalis. The mt genomes of 13 species of Haemaphysalis from NCBI GenBank were added to the most recent data set on Haemaphysalis and its close relatives to help resolve the phylogeny of Haemaphysalis, including five new subgenera of Haemaphysalis not previously considered by other authors: Allophysalis (structurally primitive), Aboimisalis (structurally primitive), Herpetobia (structurally intermediate), Ornithophysalis (structurally advanced) and Segalia (structurally advanced). We elevated Alloceraea Schulze, 1919 to the status of genus because Alloceraea Schulze, 1919 is phylogenetically distinct from the other subgenera of Haemaphysalis. Moreover, we propose that the subgenus Allophysalis is the sister to the rest of the Haemaphysalis (14 subgenera) and that the 'structurally primitive' subgenera Hoogstraal and Kim comprise early diverging lineages. Our matrices of the pairwise genetic difference (percent) of mt genomes and partial 16S rRNA sequences indicated that the mt genome sequence of Al. kitaokai (gb# OM368280) may not be Al. kitaokai Hoogstraal, 1969 but rather another species of Alloceraea. In a similar way, the mt genome sequence of H. (Herpetobia) nepalensis Hoogstraal, 1962 (gb# NC_064124) was only 2% genetically different to that of H. (Allophysalis) tibetensis Hoogstraal, 1965 (gb# OM368293): this indicates to us that they are the same species. Alloceraea cretacea may be better placed in a genus other than Alloceraea Schulze, 1919. Reptiles may have been the host to the most recent common ancestor of Archaeocroton and Alloceraea.
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Affiliation(s)
- Samuel Kelava
- Department of Parasitology, School of Chemistry and Molecular Biosciences, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Dmitry A Apanaskevich
- Institute for Coastal Sciences, US National Tick Collection, Georgia Southern University, Statesboro, Georgia, USA
- Department of Biology, Georgia Southern University, Statesboro, Georgia, USA
| | - Renfu Shao
- Centre for Bioinnovation, School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore, Queensland, Australia
| | - Alexander W Gofton
- Health and Biosecurity, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Ben J Mans
- Epidemiology, Parasites and Vectors, Agricultural Research Council, Onderstepoort Veterinary Research, Onderstepoort, South Africa
- The Department of Life and Consumer Sciences, University of South Africa, Florida, South Africa
| | - Ernest J M Teo
- Department of Parasitology, School of Chemistry and Molecular Biosciences, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Gerrut Norval
- College of Science and Engineering, Flinders University, Bedford Park, South Australia, Australia
| | - Dayana Barker
- School of Veterinary Science, The University of Queensland, Gatton, Queensland, Australia
| | - Ryo Nakao
- Department of Disease Control, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Stephen C Barker
- Department of Parasitology, School of Chemistry and Molecular Biosciences, The University of Queensland, Saint Lucia, Queensland, Australia
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Hard ticks in Burmese amber with Australasian affinities. Parasitology 2023; 150:157-171. [PMID: 36341553 PMCID: PMC10090639 DOI: 10.1017/s0031182022001585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Three examples of metastriate hard ticks (Ixodida: Ixodidae) with apparent affinities to modern Australasian genera are described from the mid-Cretaceous (ca. 100 Ma) Burmese amber of Myanmar. Two nymphs of Bothriocroton muelleri sp. nov. represent the oldest (and only) fossil record of this genus, living members of which are restricted to Australia and predominantly feed on monitor lizards, snakes and echidnas. A female of Archaeocroton kaufmani sp. nov. shares its basis capitulum shape with the tuatara tick Archaeocroton sphenodonti (Dumbleton, 1943), the only extant member of this genus and an endemic species for New Zealand. The presence of 2 Australasian genera in Burmese amber is consistent with a previous record of an Ixodes Latreille, 1795 tick from this deposit which resembles Australian members of this genus. They further support an emerging hypothesis that fauna of the amber forest, which may have been on an island at the time of deposition, was at least partly Gondwanan in origin. A revised evolutionary tree for Ixodida is presented compiling data from several new Burmese amber ticks described in the last few years.
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Chitimia-Dobler L, Mans BJ, Handschuh S, Dunlop JA. A remarkable assemblage of ticks from mid-Cretaceous Burmese amber. Parasitology 2022; 149:1-36. [PMID: 35241194 PMCID: PMC10090602 DOI: 10.1017/s0031182022000269] [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: 12/21/2021] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 11/06/2022]
Abstract
Four fossil ticks (Arachnida: Parasitiformes: Ixodida) are described from mid-Cretaceous (ca. 100 Ma) Burmese amber of Myanmar. Ixodes antiquorum sp. nov. (Ixodidae) is the first Mesozoic record of Ixodes and the oldest representative of the most species-rich extant tick genus. Its affinities appear to lie with modern Australian forms, consistent with the hypothesis that Burmese amber hosted Gondwanan faunal elements. Even more remarkable is Khimaira fossus gen. et sp. nov. which combines a body resembling that of a soft tick (Argasidae) with a basis capitulum more like that of a hard tick (Ixodidae). We refer it to Khimairidae fam. nov. as a possible transitional form between the two main families of ticks alive today. Another member of the extinct Deinocrotonidae is described as Deinocroton copia sp. nov., while the first described adult female for Cornupalpatum burmanicum is associated with a dinosaur feather barb.
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Affiliation(s)
| | - Ben J. Mans
- Epidemiology, Parasites and Vectors, Agricultural Research Council-Onderstepoort Veterinary Research, Onderstepoort, South Africa
- The Department of Veterinary Tropical Diseases, University of Pretoria, Pretoria, South Africa
- Department of Life and Consumer Sciences, University of South Africa, Pretoria, South Africa
| | - Stephan Handschuh
- VetCore Facility for Research, Veterinärmedizinische Universität Wien, Veterinärplatz 1, A-1210Vienna, Austria
| | - Jason A. Dunlop
- Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, D-10115Berlin, Germany
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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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Bakkes DK, Ropiquet A, Chitimia-Dobler L, Matloa DE, Apanaskevich DA, Horak IG, Mans BJ, Matthee CA. Adaptive radiation and speciation in Rhipicephalus ticks: A medley of novel hosts, nested predator-prey food webs, off-host periods and dispersal along temperature variation gradients. Mol Phylogenet Evol 2021; 162:107178. [PMID: 33892098 DOI: 10.1016/j.ympev.2021.107178] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 03/18/2021] [Accepted: 04/13/2021] [Indexed: 01/22/2023]
Abstract
Rhipicephalus are a species-diverse genus of ticks, mainly distributed in the Afrotropics with some species in the Palearctic and Oriental regions. Current taxonomic consensus comprise nine informal species groups/lineages based on immature morphology. This work integrates biogeographic, ecological and molecular lines of evidence to better understand Rhipicephalus evolution. Phylogenetic analysis based on four genes (12S, 16S, 28S-D2 and COI) recovered five distinct clades with nine descendant clades that are generally congruent with current taxonomy, with some exceptions. Historical biogeography is inferred from molecular divergence times, ancestral distribution areas, host-use and climate niches of four phylogenetically significant bioclimatic variables (isothermality, annual, seasonal and diurnal temperature range). Novel hosts enabled host-linked dispersal events into new environments, and ticks exploited new hosts through nested predator-prey connections in food webs. Diversification was further induced by climate niche partitioning along gradients in temperature range during off-host periods. Ancestral climate niche estimates corroborated dispersal events by indicating hypothetical ancestors moved into environments with different annual and seasonal temperature ranges along latitudinal gradients. Host size for immature and adult life stages was important for dispersal and subsequent diversification rates. Clades that utilise large, mobile hosts (ungulates and carnivores) early in development have wider geographic ranges but slower diversification rates, and those utilising small, less mobile hosts (rodents, lagomorphs and afroinsectivores) early in development have smaller ranges but higher diversification rates. These findings suggest diversification is driven by a complex set of factors linked to both host-associations (host size, ranges and mobility) and climate niche partitioning along annual and seasonal temperature range gradients that vary with latitude. Moreover, competitive interactions can reinforce these processes and drive speciation. Off-host periods facilitate adaptive radiation by enabling host switches along nested predator-prey connections in food webs, but at the cost of environmental exposure that partitions niches among dispersing progenitors, disrupting geneflow and driving diversification. As such, the evolution and ecological niches of Rhipicephalus are characterised by trade-offs between on- and off-host periods, and these trade-offs interact with nested predator-prey connections in food webs, host-use at different life stages, as well as gradients in annual and seasonal temperature ranges to drive adaptive radiation and speciation.
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Affiliation(s)
- Deon K Bakkes
- Gertrud Theiler Tick Museum - Epidemiology, Parasites and Vectors, Agricultural Research Council - Onderstepoort Veterinary Research, Pretoria 0110, South Africa; Evolutionary Genomics Group, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.
| | - Anne Ropiquet
- Evolutionary Genomics Group, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa; Middlesex University, Department of Natural Sciences- Faculty of Science and Technology, London NW4 4BT, United Kingdom
| | | | - Dikeledi E Matloa
- Gertrud Theiler Tick Museum - Epidemiology, Parasites and Vectors, Agricultural Research Council - Onderstepoort Veterinary Research, Pretoria 0110, South Africa
| | - Dmitry A Apanaskevich
- United States National Tick Collection, the James H. Oliver, Jr. Institute for Coastal Plain Science, Georgia Southern University, Statesboro, GA 30460-8042, USA; Biology Department, Georgia Southern University, Statesboro, GA 30460, USA; Zoological Institute, Russian Academy of Sciences, St. Petersburg 199034, Russia
| | - Ivan G Horak
- Department of Veterinary Tropical Diseases, University of Pretoria, Pretoria, South Africa
| | - Ben J Mans
- Gertrud Theiler Tick Museum - Epidemiology, Parasites and Vectors, Agricultural Research Council - Onderstepoort Veterinary Research, Pretoria 0110, South Africa; Department of Veterinary Tropical Diseases, University of Pretoria, Pretoria, South Africa; Department of Life and Consumer Sciences, University of South Africa, South Africa
| | - Conrad A Matthee
- Evolutionary Genomics Group, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
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Zhang G, Zheng D, Tian Y, Li S. A dataset of distribution and diversity of ticks in China. Sci Data 2019; 6:105. [PMID: 31263100 PMCID: PMC6602924 DOI: 10.1038/s41597-019-0115-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 05/31/2019] [Indexed: 12/19/2022] Open
Abstract
While tick-borne zoonoses, such as Lyme disease and tick-borne encephalitis, present an increasing global concern, knowledge of their vectors' distribution remains limited, especially for China. In this paper, we present the first comprehensive dataset of known tick species and their distributions in China, derived from peer-reviewed literature published between 1960 and 2017. We searched for journal articles, conference papers and degree thesis published in both English and Chinese, extracted geographic information associated with tick occurrence, and applied quality-control procedures to remove duplicates and ensure accuracy. The dataset contains 5731 records of geo-referenced occurrences for 123 tick species distributed over 1141 locations distinguished at four levels of scale i.e., provincial, prefectural, county, and township and finer. The most frequently reported tick species include Haemaphysalis longicornis, Dermacentor silvarum, Ixodes persulcatus, Haemaphysalis conicinna, Rhipicephalus microplus, and Rhipicephalus sanguineus sensu lato. The geographical dataset provides an improved map of where ticks inhabit China and can be used for a variety of spatial analyses of ticks and the risk of zoonoses they transmit.
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Affiliation(s)
- Guanshi Zhang
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Duo Zheng
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Yuqin Tian
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, P.R. China
| | - Sen Li
- School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, P.R. China.
- Centre for Ecology & Hydrology, Wallingford, UK.
- Environmental Change Institute, University of Oxford, Oxford, UK.
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Dantas-Torres F. Species Concepts: What about Ticks? Trends Parasitol 2018; 34:1017-1026. [PMID: 30343986 DOI: 10.1016/j.pt.2018.09.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 09/19/2018] [Accepted: 09/25/2018] [Indexed: 11/19/2022]
Abstract
Since ancient times, philosophers and taxonomists have tried to classify forms of life. This is what taxonomy is about: the science of identifying, naming, classifying, and describing organisms. In this article I address the issue of the species concept in tick taxonomy. While the typological species concept is still the most widely used, the biological and phylogenetic species concepts are growing in popularity among tick taxonomists. The integrative approach is increasingly being used, but the question is how to define a tick species when using this approach, particularly if data are incongruent. The adoption of an integrative species concept is discussed, in light of recent advances in our understanding of the genetics, morphology, and biology of ticks.
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Affiliation(s)
- Filipe Dantas-Torres
- Laboratory of Immunoparasitology, Department of Immunology, Aggeu Magalhães Institute, Oswaldo Cruz Foundation (Fiocruz), 50740-465 Recife, Pernambuco, Brazil.
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Mans BJ, Featherston J, Kvas M, Pillay KA, de Klerk DG, Pienaar R, de Castro MH, Schwan TG, Lopez JE, Teel P, Pérez de León AA, Sonenshine DE, Egekwu NI, Bakkes DK, Heyne H, Kanduma EG, Nyangiwe N, Bouattour A, Latif AA. Argasid and ixodid systematics: Implications for soft tick evolution and systematics, with a new argasid species list. Ticks Tick Borne Dis 2018; 10:219-240. [PMID: 30309738 DOI: 10.1016/j.ttbdis.2018.09.010] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 07/02/2018] [Accepted: 09/22/2018] [Indexed: 10/28/2022]
Abstract
The systematics of the genera and subgenera within the soft tick family Argasidae is not adequately resolved. Different classification schemes, reflecting diverse schools of scientific thought that elevated or downgraded groups to genera or subgenera, have been proposed. In the most recent classification scheme, Argas and Ornithodoros are paraphyletic and the placement of various subgenera remains uncertain because molecular data are lacking. Thus, reclassification of the Argasidae is required. This will enable an understanding of soft tick systematics within an evolutionary context. This study addressed that knowledge gap using mitochondrial genome and nuclear (18S and 28S ribosomal RNA) sequence data for representatives of the subgenera Alectorobius, Argas, Chiropterargas, Ogadenus, Ornamentum, Ornithodoros, Navis (subgen. nov.), Pavlovskyella, Persicargas, Proknekalia, Reticulinasus and Secretargas, from the Afrotropical, Nearctic and Palearctic regions. Hard tick species (Ixodidae) and a new representative of Nuttalliella namaqua (Nuttalliellidae), were also sequenced with a total of 83 whole mitochondrial genomes, 18S rRNA and 28S rRNA genes generated. The study confirmed the utility of next-generation sequencing to retrieve systematic markers. Paraphyly of Argas and Ornithodoros was resolved by systematic analysis and a new species list is proposed. This corresponds broadly with the morphological cladistic analysis of Klompen and Oliver (1993). Estimation of divergence times using molecular dating allowed dissection of phylogeographic patterns for argasid evolution. The discovery of cryptic species in the subgenera Chiropterargas, Ogadenus and Ornithodoros, suggests that cryptic speciation is common within the Argasidae. Cryptic speciation has implications for past biological studies of soft ticks. These are discussed in particular for the Ornithodoros (Ornithodoros) moubata and Ornithodoros (Ornithodoros) savignyi groups.
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Affiliation(s)
- Ben J Mans
- Epidemiology, Parasites and Vectors, Agricultural Research Council-Onderstepoort Veterinary Research, Onderstepoort 0110, South Africa; Department of Life and Consumer Sciences, University of South Africa, South Africa.
| | - Jonathan Featherston
- The Biotechnology Platform, Agricultural Research Council-Biotechnology Platform, Onderstepoort 0110, South Africa
| | - Marija Kvas
- The Biotechnology Platform, Agricultural Research Council-Biotechnology Platform, Onderstepoort 0110, South Africa
| | - Kerry-Anne Pillay
- The Biotechnology Platform, Agricultural Research Council-Biotechnology Platform, Onderstepoort 0110, South Africa
| | - Daniel G de Klerk
- Epidemiology, Parasites and Vectors, Agricultural Research Council-Onderstepoort Veterinary Research, Onderstepoort 0110, South Africa
| | - Ronel Pienaar
- Epidemiology, Parasites and Vectors, Agricultural Research Council-Onderstepoort Veterinary Research, Onderstepoort 0110, South Africa
| | - Minique H de Castro
- Epidemiology, Parasites and Vectors, Agricultural Research Council-Onderstepoort Veterinary Research, Onderstepoort 0110, South Africa
| | - Tom G Schwan
- Laboratory of Bacteriology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, Hamilton, MT, United States
| | - Job E Lopez
- Department of Paediatrics, National School of Tropical Medicine, Paediatric Tropical Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Pete Teel
- Department of Entomology, Texas A&M AgriLife Research, Texas A&M University, College Station, TX, United States
| | - Adalberto A Pérez de León
- USDA-ARS Knipling-Bushland U.S. Livestock Insects Research Laboratory and Veterinary Pest Genomics Center, Kerrville, TX, United States
| | - Daniel E Sonenshine
- Department of Biological Sciences, Old Dominion University, Norfolk, VA, United States; Vector Biology Section, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases (NIH), Rockville, MD, United States
| | - Noble I Egekwu
- Agricultural Research Service, United States Department of Agriculture, Washington, D.C., United States
| | - Deon K Bakkes
- Epidemiology, Parasites and Vectors, Agricultural Research Council-Onderstepoort Veterinary Research, Onderstepoort 0110, South Africa
| | - Heloise Heyne
- Epidemiology, Parasites and Vectors, Agricultural Research Council-Onderstepoort Veterinary Research, Onderstepoort 0110, South Africa
| | - Esther G Kanduma
- Department of Biochemistry, School of Medicine, University of Nairobi, P.O BOX 30197, 00100, Nairobi, Kenya
| | - Nkululeko Nyangiwe
- Döhne Agricultural Development Institute, Private Bag X15, Stutterheim, 4930, South Africa
| | - Ali Bouattour
- Laboratoire d'Entomologie, Institut Pasteur de Tunis, Tunis, Tunisia
| | - Abdalla A Latif
- School of Life Sciences, University of KwaZulu-Natal, Durban, Westville, South Africa
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