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Establishment and multiapproach characterization of Amblyomma sculptum (Acari: Ixodidae) cell line (ASE-14) from Brazil. Ticks Tick Borne Dis 2022; 13:101951. [DOI: 10.1016/j.ttbdis.2022.101951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 03/26/2022] [Accepted: 03/28/2022] [Indexed: 11/16/2022]
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Salata C, Moutailler S, Attoui H, Zweygarth E, Decker L, Bell-Sakyi L. How relevant are in vitro culture models for study of tick-pathogen interactions? Pathog Glob Health 2021; 115:437-455. [PMID: 34190676 PMCID: PMC8635668 DOI: 10.1080/20477724.2021.1944539] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Although tick-borne infectious diseases threaten human and animal health worldwide, with constantly increasing incidence, little knowledge is available regarding vector-pathogen interactions and pathogen transmission. In vivo laboratory study of these subjects using live, intact ticks is expensive, labor-intensive, and challenging from the points of view of biosafety and ethics. Several in vitro models have been developed, including over 70 continuous cell lines derived from multiple tick species and a variety of tick organ culture systems, facilitating many research activities. However, some limitations have to be considered in the translation of the results from the in vitro environment to the in vivo situation of live, intact ticks, and vertebrate hosts. In this review, we describe the available in vitro models and selected results from their application to the study of tick-borne viruses, bacteria, and protozoa, where possible comparing these results to studies in live, intact ticks. Finally, we highlight the strengths and weaknesses of in vitro tick culture models and their essential role in tick-borne pathogen research.
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Affiliation(s)
- Cristiano Salata
- Department of Molecular Medicine, University of Padova, Padova, Italy
| | - Sara Moutailler
- Laboratoire De Santé Animale, Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Maisons-Alfort, France
| | - Houssam Attoui
- Department of Animal Health, UMR1161 Virologie, INRAE, Ecole Nationale Vétérinaire d’Alfort, ANSES, Université Paris-Est, Maisons-Alfort, France
| | - Erich Zweygarth
- The Department of Veterinary Tropical Diseases, University of Pretoria, Pretoria, South Africa
| | - Lygia Decker
- Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Lesley Bell-Sakyi
- Department of Infection Biology and Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
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Three-Dimensional Culture of Rhipicephalus ( Boophilus) microplus BmVIII-SCC Cells on Multiple Synthetic Scaffold Systems and in Rotating Bioreactors. INSECTS 2021; 12:insects12080747. [PMID: 34442313 PMCID: PMC8396921 DOI: 10.3390/insects12080747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/10/2021] [Accepted: 08/14/2021] [Indexed: 12/12/2022]
Abstract
Tick cell culture facilitates research on the biology of ticks and their role as vectors of pathogens that affect humans, domestic animals, and wildlife. Because two-dimensional cell culture doesn't promote the development of multicellular tissue-like composites, we hypothesized that culturing tick cells in a three-dimensional (3-D) configuration would form spheroids or tissue-like organoids. In this study, the cell line BmVIII-SCC obtained from the cattle fever tick, Rhipicephalus (Boophilus) microplus (Canestrini, 1888), was cultured in different synthetic scaffold systems. Growth of the tick cells on macrogelatinous beads in rotating continuous culture system bioreactors enabled cellular attachment, organization, and development into spheroid-like aggregates, with evidence of tight cellular junctions between adjacent cells and secretion of an extracellular matrix. At least three cell morphologies were identified within the aggregates: fibroblast-like cells, small endothelial-like cells, and larger cells exhibiting multiple cytoplasmic endosomes and granular vesicles. These observations suggest that BmVIII-SCC cells adapted to 3-D culture retain pluripotency. Additional studies involving genomic analyses are needed to determine if BmVIII-SCC cells in 3-D culture mimic tick organs. Applications of 3-D culture to cattle fever tick research are discussed.
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Lima-Duarte L, Camargo JV, Castro-Santiago AC, Machado RZ, André MR, Cabral-de-Mello DC, Camargo-Mathias MI, Ikeda P, Anholeto LA, Pereira MC, da Costa AJ, Barros-Battesti DM. Establishment and characterization of a cell line (RBME-6) of Rhipicephalus (Boophilus) microplus from Brazil. Ticks Tick Borne Dis 2021; 12:101770. [PMID: 34230000 DOI: 10.1016/j.ttbdis.2021.101770] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/15/2021] [Accepted: 05/17/2021] [Indexed: 10/21/2022]
Abstract
Tick cell lines have already proved to be a useful tool for obtaining more information about possible vector species and the factors governing their ability to transmit a pathogen. Here, we established and characterized a cell line (RBME-6) derived from embryos of Rhipicephalus microplus from Brazil. Primary tick cell cultures were prepared in L-15B medium supplemented with 20% fetal bovine serum and 10% tryptose phosphate broth. The cell monolayers were subcultured when they reached a density of approximately 8 × 10 5 cells/mL (95% viability). Only after the sixth subculture were cells thawed from storage in liquid nitrogen successfully. Cytological analyses were performed using live phase contrast microscopy and cytocentrifuge smears stained with Giemsa, while periodic acid-Schiff and bromophenol blue staining techniques were used to detect total polysaccharides and total protein, respectively . No DNA from Anaplasma spp., Anaplasma marginale, Babesia spp., Bartonella spp., Coxiella spp., Ehrlichia canis, Rickettsia spp. or Mycoplasma spp. was detected in the cells through PCR assays. In addition, we performed chromosomal characterization of the tick cell line and confirmed the R. microplus origin of the cell line through conventional PCR and sequencing of a fragment of the mitochondrial 16S rRNA gene. In conclusion, we established and characterized a new cell line from a Brazilian population of R. microplus, which may form a useful tool for studying several aspects of ticks and tick-borne pathogens.
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Affiliation(s)
- Leidiane Lima-Duarte
- Department of Preventive Veterinary Medicine and Animal Science, School of Veterinary Medicine, University of São Paulo, São Paulo, SP, Brazil
| | - Jaqueline Valéria Camargo
- Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Jaboticabal, SP, Brazil
| | - Ana Carolina Castro-Santiago
- Department of Preventive Veterinary Medicine and Animal Science, School of Veterinary Medicine, University of São Paulo, São Paulo, SP, Brazil
| | - Rosangela Zacarias Machado
- Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Jaboticabal, SP, Brazil
| | - Marcos Rogério André
- Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Jaboticabal, SP, Brazil
| | - Diogo Cavalcanti Cabral-de-Mello
- Department of General and Applied Biology, Institute of Biosciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Rio Claro, SP, Brazil
| | - Maria Izabel Camargo-Mathias
- Department of General and Applied Biology, Institute of Biosciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Rio Claro, SP, Brazil
| | - Priscila Ikeda
- Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Jaboticabal, SP, Brazil
| | - Luís Adriano Anholeto
- Department of General and Applied Biology, Institute of Biosciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Rio Claro, SP, Brazil
| | - Melissa Carolina Pereira
- Department of General and Applied Biology, Institute of Biosciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Rio Claro, SP, Brazil
| | - Alvimar José da Costa
- Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Jaboticabal, SP, Brazil
| | - Darci Moraes Barros-Battesti
- Department of Preventive Veterinary Medicine and Animal Science, School of Veterinary Medicine, University of São Paulo, São Paulo, SP, Brazil; Department of Pathology, Reproduction and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University "Julio de Mesquita Filho" (UNESP), Jaboticabal, SP, Brazil.
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Kotsarenko K, Vechtova P, Lieskovska J, Füssy Z, Cabral-de-Mello DC, Rego ROM, Alberdi P, Collins M, Bell-Sakyi L, Sterba J, Grubhoffer L. Karyotype changes in long-term cultured tick cell lines. Sci Rep 2020; 10:13443. [PMID: 32778731 PMCID: PMC7417564 DOI: 10.1038/s41598-020-70330-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 07/20/2020] [Indexed: 01/08/2023] Open
Abstract
Tick cell lines are an easy-to-handle system for the study of viral and bacterial infections and other aspects of tick cellular processes. Tick cell cultures are often continuously cultivated, as freezing can affect their viability. However, the long-term cultivation of tick cells can influence their genome stability. In the present study, we investigated karyotype and genome size of tick cell lines. Though 16S rDNA sequencing showed the similarity between Ixodes spp. cell lines at different passages, their karyotypes differed from 2n = 28 chromosomes for parental Ixodes spp. ticks, and both increase and decrease in chromosome numbers were observed. For example, the highly passaged Ixodes scapularis cell line ISE18 and Ixodes ricinus cell lines IRE/CTVM19 and IRE/CTVM20 had modal chromosome numbers 48, 23 and 48, respectively. Also, the Ornithodoros moubata cell line OME/CTVM22 had the modal chromosome number 33 instead of 2n = 20 chromosomes for Ornithodoros spp. ticks. All studied tick cell lines had a larger genome size in comparison to the genomes of the parental ticks. Thus, highly passaged tick cell lines can be used for research purposes, but possible differences in encoded genetic information and downstream cellular processes, between different cell populations, should be taken into account.
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Affiliation(s)
- Kateryna Kotsarenko
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic. .,Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic. .,Central European Institute of Technology, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic.
| | - Pavlina Vechtova
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic.,Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic
| | - Jaroslava Lieskovska
- Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic
| | - Zoltán Füssy
- Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic
| | - Diogo C Cabral-de-Mello
- Department of General and Applied Biology, São Paulo State University, Rio Claro, São Paulo, Brazil
| | - Ryan O M Rego
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic.,Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic
| | - Pilar Alberdi
- Neuroplasticity and Neurodegeneration Group, Regional Center for Biomedical Research (CRIB), Ciudad Real Medical School, University of Castilla-La Mancha, 13005, Ciudad Real, Spain
| | - Marisol Collins
- Department of Infection Biology and Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, L3 5RF, UK
| | - Lesley Bell-Sakyi
- Department of Infection Biology and Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, L3 5RF, UK
| | - Jan Sterba
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic.,Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic
| | - Libor Grubhoffer
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, 37005, Ceske Budejovice, Czech Republic.,Faculty of Science, University of South Bohemia, Branisovska 1760, 37005, Ceske Budejovice, Czech Republic
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Al-Rofaai A, Bell-Sakyi L. Tick Cell Lines in Research on Tick Control. Front Physiol 2020; 11:152. [PMID: 32158404 PMCID: PMC7052283 DOI: 10.3389/fphys.2020.00152] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 02/12/2020] [Indexed: 12/28/2022] Open
Abstract
Ticks and the diseases they transmit are of huge veterinary, medical and economic importance worldwide. Control of ticks attacking livestock and companion animals is achieved primarily by application of chemical or plant-based acaricides. However, ticks can rapidly develop resistance to any new product brought onto the market, necessitating an ongoing search for novel active compounds and alternative approaches to tick control. Many aspects of tick and tick-borne pathogen research have been facilitated by the application of continuous cell lines derived from some of the most economically important tick species. These include cell lines derived from acaricide-susceptible and resistant ticks, cell sub-lines with in vitro-generated acaricide resistance, and genetically modified tick cells. Although not a replacement for the whole organism, tick cell lines enable studies at the cellular and molecular level and provide a more accessible, more ethical and less expensive in vitro alternative to in vivo tick feeding experiments. Here we review the role played by tick cell lines in studies on acaricide resistance, mode-of-action of acaricides, identification of potential novel control targets through better understanding of tick metabolism, and anti-tick vaccine development, that may lead to new approaches to control ticks and tick-borne diseases.
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Affiliation(s)
- Ahmed Al-Rofaai
- Department of Infection Biology, Institute of Infection and Global Health, University of Liverpool, Liverpool, United Kingdom
| | - Lesley Bell-Sakyi
- Department of Infection Biology, Institute of Infection and Global Health, University of Liverpool, Liverpool, United Kingdom
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Koh-Tan HHC, Strachan E, Cooper K, Bell-Sakyi L, Jonsson NN. Identification of a novel β-adrenergic octopamine receptor-like gene (βAOR-like) and increased ATP-binding cassette B10 (ABCB10) expression in a Rhipicephalus microplus cell line derived from acaricide-resistant ticks. Parasit Vectors 2016; 9:425. [PMID: 27484910 PMCID: PMC4970269 DOI: 10.1186/s13071-016-1708-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 07/17/2016] [Indexed: 11/26/2022] Open
Abstract
Background The cattle tick Rhipicephalus (Boophilus) microplus is an economically important parasite of livestock. Effective control of ticks using acaricides is threatened by the emergence of resistance to many existing compounds. Several continuous R. microplus cell lines have been established and provide an under-utilised resource for studies into acaricide targets and potential genetic mutations associated with resistance. As a first step to genetic studies using these resources, this study aimed to determine the presence or absence of two genes and their transcripts that have been linked with acaricide function in cattle ticks: β-adrenergic octopamine receptor (βAOR, associated with amitraz resistance) and ATP-binding cassette B10 (ABCB10, associated with macrocyclic lactone resistance) in six R. microplus cell lines, five other Rhipicephalus spp. cell lines and three cell lines representing other tick genera (Amblyomma variegatum, Ixodes ricinus and Hyalomma anatolicum). Methods End-point polymerase chain reaction (PCR) was used for detection of the βAOR gene and transcripts in DNA and RNA extracted from the tick cell lines, followed by capillary sequencing of amplicons. Quantitative real-time PCR (qPCR) was performed to determine the levels of expression of ABCB10. Results βAOR gene expression was detected in all Rhipicephalus spp. cell lines. We observed a second amplicon of approximately 220 bp for the βAOR gene in the R. microplus cell line BME/CTVM6, derived from acaricide-resistant ticks. Sequencing of this transcript variant identified a 36 bp insertion in the βAOR gene, leading to a 12-amino acid insertion (LLKTLALVTIIS) in the first transmembrane domain of the protein. In addition, nine synonymous SNPs were also discovered in R. appendiculatus, R. evertsi and R. sanguineus cell lines. Some of these SNPs appear to be unique to each species, providing potential tools for differentiating the tick species. The BME/CTVM6 cell line had significantly higher ABCB10 (P = 0.002) expression than the other R. microplus cell lines. Conclusions The present study has identified a new βAOR gene and demonstrated a higher ABCB10 expression level in the BME/CTVM6 cell line, indicating that tick cell lines provide a useful experimental tool for acaricide resistance studies and further elucidation of tick genetics. Electronic supplementary material The online version of this article (doi:10.1186/s13071-016-1708-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- H H Caline Koh-Tan
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, McCall Building, Bearsden Road, Glasgow, G61 1QH, UK
| | - Erin Strachan
- School of Veterinary Medicine, University of Glasgow, Glasgow, G61 1QH, UK
| | - Katherine Cooper
- School of Veterinary Medicine, University of Glasgow, Glasgow, G61 1QH, UK
| | - Lesley Bell-Sakyi
- The Pirbright Institute, Ash Road, Pirbright, Woking, Surrey, GU24 0NF, UK
| | - Nicholas N Jonsson
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, McCall Building, Bearsden Road, Glasgow, G61 1QH, UK.
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8
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Tuckow AP, Temeyer KB. Discovery, adaptation and transcriptional activity of two tick promoters: Construction of a dual luciferase reporter system for optimization of RNA interference in rhipicephalus (boophilus) microplus cell lines. INSECT MOLECULAR BIOLOGY 2015; 24:454-466. [PMID: 25892533 DOI: 10.1111/imb.12172] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 02/10/2015] [Accepted: 03/06/2015] [Indexed: 06/04/2023]
Abstract
Dual luciferase reporter systems are valuable tools for functional genomic studies, but have not previously been developed for use in tick cell culture. We evaluated expression of available luciferase constructs in tick cell cultures derived from Rhipicephalus (Boophilus) microplus, an important vector of bovine babesiosis and anaplasmosis. Commercial promoters were evaluated for transcriptional activity driving luciferase expression in the tick cell lines. The human phosphoglycerate kinase (PGK) promoter resulted in detectable firefly luciferase activity within 2 days post-transfection of the R. microplus cell line BME26, with maximal activity at 5 days post-transfection. Several other promoters were weaker or inactive in the tick cells, prompting identification and assessment of transcriptional activity of the homologous ribosomal protein L4 (rpL4, GenBank accession no.: KM516205) and elongation factor 1α (EF-1α, GenBank accession no.: KM516204) promoters cloned from R. microplus. Evaluation of luciferase expression driven by various promoters in tick cell culture resulted in selection of the R. microplus rpL4 promoter and the human PGK promoter driving transcription of sequences encoding modified firefly and NanoLuc® luciferases for construction of a dual luciferase reporter system for use in tick cell culture.
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Affiliation(s)
- A P Tuckow
- USDA, Agricultural Research Service, Knipling-Bushland U.S. Livestock Insects Research Laboratory, Kerrville, TX, USA
| | - K B Temeyer
- USDA, Agricultural Research Service, Knipling-Bushland U.S. Livestock Insects Research Laboratory, Kerrville, TX, USA
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Passos LMF. In vitro cultivation of Anaplasma marginale and A. phagocytophilum in tick cell lines: a review. ACTA ACUST UNITED AC 2013; 21:81-6. [PMID: 22832744 DOI: 10.1590/s1984-29612012000200002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2012] [Accepted: 05/16/2012] [Indexed: 11/22/2022]
Abstract
Continuous cell lines have been established from several ixodid and argasid tick species, representing an excellent tool suitable for the isolation of pathogens and their subsequent propagation, which in turn allows the production of antigenic material for diagnostic tests, antibody and vaccine production, and also for studies on host-vector-pathogen relationships. This paper reviews the use of tick cells for culture initiation and maintenance of two obligate intracellular bacterial pathogens, Anaplasma marginale and Anaplasma phagocytophilum. These in vitro cultivation systems have been used in a wide range of studies, covering morphological ultrastructural analysis, genetics, proteomics and biological differences between strains, including genome transcriptional and protein expression approaches, enabling comparisons between host and vector cells. Thus, such systems open a new window for a better understanding of interactions between pathogens and tick cells. Last but not least, such systems contribute to the reduction in usage of animals for experimental research, as antigenic material can be produced in reasonably large quantities without the use of in vivo species-specific systems.
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Affiliation(s)
- Lygia Maria Friche Passos
- Departamento de Medicina Veterinária Preventiva, Instituto Nacional em Ciência e Tecnologia--Informação Genético-Sanitária da Pecuária Brasileira, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
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Bell-Sakyi L, Kohl A, Bente DA, Fazakerley JK. Tick cell lines for study of Crimean-Congo hemorrhagic fever virus and other arboviruses. Vector Borne Zoonotic Dis 2012; 12:769-81. [PMID: 21955214 PMCID: PMC3438810 DOI: 10.1089/vbz.2011.0766] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Continuous cell lines derived from many of the vectors of tick-borne arboviruses of medical and veterinary importance are now available. Their role as tools in arbovirus research to date is reviewed and their potential application in studies of tick cell responses to virus infection is explored, by comparison with recent progress in understanding mosquito immunity to arbovirus infection. A preliminary study of propagation of the human pathogen Crimean-Congo hemorrhagic fever virus (CCHFV) in tick cell lines is reported; CCHFV replicated in seven cell lines derived from the ticks Hyalomma anatolicum (a known vector), Amblyomma variegatum, Rhipicephalus (Boophilus) decoloratus, Rhipicephalus (Boophilus) microplus, and Ixodes ricinus, but not in three cell lines derived from Rhipicephalus appendiculatus and Ornithodoros moubata. This indicates that tick cell lines can be used to study growth of CCHFV in arthropod cells and that there may be species-specific restriction in permissive CCHFV infection at the cellular level.
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Affiliation(s)
- Lesley Bell-Sakyi
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush, Midlothian, United Kingdom.
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11
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Alberdi MP, Dalby MJ, Rodriguez-Andres J, Fazakerley JK, Kohl A, Bell-Sakyi L. Detection and identification of putative bacterial endosymbionts and endogenous viruses in tick cell lines. Ticks Tick Borne Dis 2012; 3:137-46. [PMID: 22743047 PMCID: PMC3431536 DOI: 10.1016/j.ttbdis.2012.05.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 05/28/2012] [Accepted: 05/30/2012] [Indexed: 11/24/2022]
Abstract
As well as being vectors of many viral, bacterial, and protozoan pathogens of medical and veterinary importance, ticks harbour a variety of microorganisms which are not known to be pathogenic for vertebrate hosts. Continuous cell lines established from ixodid and argasid ticks could be infected with such endosymbiotic bacteria and endogenous viruses, but to date very few cell lines have been examined for their presence. DNA and RNA extracted from over 50 tick cell lines deposited in the Roslin Wellcome Trust Tick Cell Biobank (http://tickcells.roslin.ac.uk) were screened for presence of bacteria and RNA viruses, respectively. Sequencing of PCR products amplified using pan-16S rRNA primers revealed the presence of DNA sequences from bacterial endosymbionts in several cell lines derived from Amblyomma and Dermacentor spp. ticks. Identification to species level was attempted using Rickettsia- and Francisella-specific primers. Pan-Nairovirus primers amplified PCR products of uncertain specificity in cell lines derived from Rhipicephalus, Hyalomma, Ixodes, Carios, and Ornithodoros spp. ticks. Further characterisation attempted with primers specific for Crimean-Congo haemorrhagic fever virus segments confirmed the absence of this arbovirus in the cells. A set of pan-Flavivirus primers did not detect endogenous viruses in any of the cell lines. Transmission electron microscopy revealed the presence of endogenous reovirus-like viruses in many of the cell lines; only 4 of these lines gave positive results with primers specific for the tick Orbivirus St Croix River virus, indicating that there may be additional, as yet undescribed 'tick-only' viruses inhabiting tick cell lines.
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Affiliation(s)
- M Pilar Alberdi
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush, Roslin, Midlothian EH25 9RG, UK.
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Mosqueda J, Cossío-Bayugar R, Rodríguez E, Falcón A, Ramos A, Figueroa JV, Alvarez A. Primary Midgut, Salivary Gland, and Ovary Cultures fromBoophilus microplus. Ann N Y Acad Sci 2008; 1149:49-52. [DOI: 10.1196/annals.1428.050] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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13
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Esteves E, Lara FA, Lorenzini DM, Costa GH, Fukuzawa AH, Pressinotti LN, Silva JRM, Ferro JA, Kurtti TJ, Munderloh UG, Daffre S. Cellular and molecular characterization of an embryonic cell line (BME26) from the tick Rhipicephalus (Boophilus) microplus. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2008; 38:568-580. [PMID: 18405834 PMCID: PMC4425564 DOI: 10.1016/j.ibmb.2008.01.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2007] [Revised: 01/25/2008] [Accepted: 01/30/2008] [Indexed: 05/26/2023]
Abstract
The cellular and molecular characteristics of a cell line (BME26) derived from embryos of the cattle tick Rhipicephalus (Boophilus) microplus were studied. The cells contained glycogen inclusions, numerous mitochondria, and vesicles with heterogeneous electron densities dispersed throughout the cytoplasm. Vesicles contained lipids and sequestered palladium meso-porphyrin (Pd-mP) and rhodamine-hemoglobin, suggesting their involvement in the autophagic and endocytic pathways. The cells phagocytosed yeast and expressed genes encoding the antimicrobial peptides (microplusin and defensin). A cDNA library was made and 898 unique mRNA sequences were obtained. Among them, 556 sequences were not significantly similar to any sequence found in public databases. Annotation using Gene Ontology revealed transcripts related to several different functional classes. We identified transcripts involved in immune response such as ferritin, serine proteases, protease inhibitors, antimicrobial peptides, heat shock protein, glutathione S-transferase, peroxidase, and NADPH oxidase. BME26 cells transfected with a plasmid carrying a red fluorescent protein reporter gene (DsRed2) transiently expressed DsRed2 for up to 5 weeks. We conclude that BME26 can be used to experimentally analyze diverse biological processes that occur in R. (B.) microplus such as the innate immune response to tick-borne pathogens.
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Affiliation(s)
- Eliane Esteves
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo. Av. Prof. Lineu Prestes, 1374, CEP 05508-900, São Paulo, SP, Brazil
| | - Flavio A. Lara
- Instituto de Bioquímica Médica, Programa de Biotecnologia e Biologia Molecular, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ 21941-590, Brazil
| | - Daniel M. Lorenzini
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo. Av. Prof. Lineu Prestes, 1374, CEP 05508-900, São Paulo, SP, Brazil
| | - Gustavo H.N. Costa
- Departamento de Tecnologia, FCAV, Universidade Estadual Paulista, Via de Acesso Prof. P.D. Castellane km 5, CEP 14884-900, Jaboticabal, SP, Brazil
| | - Aline H. Fukuzawa
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo. Av. Prof. Lineu Prestes, 1374, CEP 05508-900, São Paulo, SP, Brazil
| | - Luis N. Pressinotti
- Departamento de Biologia Celular e Desenvolvimento, Instituto de Ciências Biomédicas, Universidade de São Paulo. Av. Prof. Lineu Prestes, 1524, CEP 05508-900, São Paulo, SP, Brazil
| | - José Roberto M.C. Silva
- Departamento de Biologia Celular e Desenvolvimento, Instituto de Ciências Biomédicas, Universidade de São Paulo. Av. Prof. Lineu Prestes, 1524, CEP 05508-900, São Paulo, SP, Brazil
| | - Jesus A. Ferro
- Departamento de Tecnologia, FCAV, Universidade Estadual Paulista, Via de Acesso Prof. P.D. Castellane km 5, CEP 14884-900, Jaboticabal, SP, Brazil
| | - Timothy J. Kurtti
- Department of Entomology, University of Minnesota, Saint Paul, MN 55108, USA
| | - Ulrike G. Munderloh
- Department of Entomology, University of Minnesota, Saint Paul, MN 55108, USA
| | - Sirlei Daffre
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo. Av. Prof. Lineu Prestes, 1374, CEP 05508-900, São Paulo, SP, Brazil
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Samish M, Shkap V, Bin H, Pipano EM. Cultivation of Besnoitia besnoiti in four tick cell lines. Int J Parasitol 1988; 18:291-6. [PMID: 3135277 DOI: 10.1016/0020-7519(88)90136-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Samish M, Louloudes SJ, Vaughn JL, Kurtti TJ, Munderloh UG. Promotion of tick cell growth by proline and fractions from tick eggs. Int J Parasitol 1985; 15:21-6. [PMID: 4038972 DOI: 10.1016/0020-7519(85)90096-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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16
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