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de Araújo FES, Martins TF, Ramos CCM, Nogueira RMS, Faccini JLH, Tavares MA, de Lima NJ, de Almeida Júnior EB, de Sousa-Paula LC, Dantas-Torres F, da Silva Krawczak F, Costa-Junior LM, Labruna MB, Dall Agnol LT, Luz HR. Seasonal dynamics of Amblyomma cajennense (Fabricius, 1787) sensu stricto in a degraded area of the Amazon biome, with notes on Rickettsia amblyommatis infection. Parasit Vectors 2023; 16:391. [PMID: 37891604 PMCID: PMC10612284 DOI: 10.1186/s13071-023-05978-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 09/23/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND The tick Amblyomma cajennense sensu stricto (A. cajennense s.s.) frequently parasitizes animals and humans in the Amazon biome, in addition to being a vector of Rickettsia amblyommatis. In the present study, we evaluated both the population dynamics of A. cajennense s.s. in a degraded area of the Amazon biome and the presence of rickettsial organisms in this tick population. METHODS The study was carried out in a rural area of the Santa Inês municipality (altitude: 24 m a.s.l.), Maranhão state, Brazil. Ticks were collected from the environment for 24 consecutive months, from June 2021 to May 2023. The region is characterized by two warm seasons: a rainy season (November-May) and a dry season (June-October). We characterized the temporal activity of A. cajennense s.s. on the vegetation by examining questing activity for each life stage (larvae, nymphs, adults [males and females]) in relation to the dry and rainy season. Ticks collected in this study were randomly selected and individually tested by a TaqMan real-time PCR assay that targeted a 147-bp fragment of the rickettsial gltA gene. RESULTS Overall, 1843 (62.4%) adults (52.6% females, 47.4% males), 1110 (37.6%) nymphs and 398 larval clusters were collected. All adult females and nymphs were morphologically identified as A. cajennense s.s. Larval activity was observed from April to December, with a peak from June to September (dry season); nymph abundance peaked from September to November (transition period between dry and rainy seasons); and adult ticks were abundant from October to May (spring/summer/early autumn). The infection rate by R. amblyommatis in A. cajennense s.s. ticks was at least 7% (7/99). CONCLUSION Our data suggest a 1-year generation pattern for A. cajennense s.s., with a well-defined seasonality of larvae, nymphs and adults in the Amazon biome. Larvae predominate during the dry season, nymphs are most abundant in the dry-rainy season transition and adults are most abundant in the rainy season. The presence of R. amblyommatis in adult ticks suggests that animals and humans in the study region are at risk of infection by this species belonging to the spotted fever group of Rickettsia.
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Affiliation(s)
| | - Thiago Fernandes Martins
- Pasteur Institute, São Paulo State Department of Health, São Paulo, SP, Brazil
- Department of Preventive Veterinary Medicine and Animal Health, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | | | | | - João Luiz Horacio Faccini
- Post-Graduation Program in Health Sciences, Center of Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | | | | | - Eduardo Bezerra de Almeida Júnior
- Post-Graduation Program in Biodiversity and Conservation, Center of Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Lucas Christian de Sousa-Paula
- Tick-Pathogen Transmission Unit, Laboratory of Bacteriology, National Institute of Allergy and Infectious Diseases, Hamilton, MT, USA
| | - Filipe Dantas-Torres
- Department of Immunology, Aggeu Magalhães Institute, Oswaldo Cruz Foundation (Fiocruz), Recife, PE, Brazil
| | | | - Livio Martins Costa-Junior
- Post-Graduation Program in Northeast Biotechnology Network (RENORBIO), Biodiversity and Conservation, Center of Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Marcelo Bahia Labruna
- Department of Preventive Veterinary Medicine and Animal Health, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | | | - Hermes Ribeiro Luz
- Post-Graduation Program in Health and Environment, Federal University of Maranhão, São Luís, MA, Brazil.
- Post-Graduation Program in Northeast Biotechnology Network (RENORBIO), Biodiversity and Conservation, Center of Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil.
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Lima FRD, Martins TF, Castro PHGD, Souza Júnior JCD, Felippi DA, Rezende GC, Pereira VJA, Port-Carvalho M, Schulz BH, Petri BSS, Furuya HR, Sá LRMD, Santos LAD, Moura ABD, Pinter A, Labruna MB, Chryssafidis AL. New records of Amblyomma ticks parasitizing neotropical primates in Brazil. Ticks Tick Borne Dis 2023; 14:102169. [PMID: 36966542 DOI: 10.1016/j.ttbdis.2023.102169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 03/28/2023]
Abstract
Amblyomma is an important tick genus for animal and human health, with some species being the vectors of zoonotic pathogens, such as Rickettsia rickettsii, in the Neotropical region. Knowing their hosts may help to understand the distribution of these agents and decrease the occurrence of clinical cases. Primates are intelligent and adaptable animals that can get close to humans in the search for food. So, they may be an important epidemiological link for the spread of these ticks. Beyond that, primates also suffer from these infections, serving as sentinels for different diseases. Thus, the present study aims to report the parasitism by Amblyomma spp. on six species of Neotropical primates from different locations in Brazil. The 337 collected ticks were morphologically identified using stereomicroscopes and taxonomic keys, and six distinct species of ticks were identified. We report here the first record of nymphs of the tick species Amblyomma cajennense sensu stricto on Alouatta belzebul, a male of Amblyomma fuscum on Alouatta guariba clamitans, nymphs of Amblyomma sculptum on Leontopithecus chrysopygus and Callithrix aurita, as well as nymphs of Amblyomma geayi on Saimiri collinsi. Of the 337 tick specimens collected, 256 (75,96%) were nymphs. The importance of primates in the life cycle of these species remains to be elucidated.
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de Souza VL, Costa FB, Martins TF, de Oliveira PR, Lima J, Guimarães DP, Dos Santos EA, de Moura-Martiniano NO, Sato TP, Borsoi ABP, Bitencourth K, Souza JRLD, Gazeta GS, Guilherme E, Santos FGDA. Detection of Rickettsia tamurae-like and other spotted fever group rickettsiae in ticks (Acari: Ixodidae) associated with wild birds in the Western Amazon, Brazil. Ticks Tick Borne Dis 2023; 14:102182. [PMID: 37100028 DOI: 10.1016/j.ttbdis.2023.102182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 04/05/2023] [Accepted: 04/08/2023] [Indexed: 04/28/2023]
Abstract
Ticks are vectors for several pathogens, including bacteria belonging to the Rickettsia genus, such as Rickettsia rickettsii and Rickettsia parkeri, the causative agents of spotted fever. The aim of the present study was to investigate the tick species richness and rickettsial agents associated with wild birds captured in the Humaita Forest Reserve, Acre, in the Western Amazon region. Wild birds were captured with ornithological nets for visual inspection with the purpose of collecting ticks, which were identified through morphological analyses and molecular tests for several genes (12S rDNA, 16S rDNA, gltA, ompA, and sca4). A total of 607 wild birds were captured, 12% of which were parasitized by 268 ticks of the Amblyomma genus, with new host-parasite associations reported for Amblyomma calcaratum, Amblyomma geayi, Amblyomma longirostre, Amblyomma naponense, Amblyomma nodosum, and Amblyomma varium. Of the total ticks collected, 113 were tested for the presence of rickettsial DNA fragments, with 19 testing positive for R. parkeri in A. geayi, Rickettsia tamurae-like in Amblyomma sp., and Rickettsia amblyommatis in A. geayi, A. longirostre, and Amblyomma sp. We detected R. tamurae-like in Amblyomma larvae for the first time in the Western Brazilian Amazon biome, and registered spotted fever group rickettsiae, although the relevance of the detected species in a public health context should be further explored in South America, as well as new host-parasite interactions in this underexplored region.
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Affiliation(s)
- Vanessa Lima de Souza
- Programa de Pós-graduação em Sanidade e Produção Animal Sustentável na Amazônia Ocidental, Universidade Federal do Acre, Rio Branco, AC, Brazil; Laboratório de Ornitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rio Branco, AC, Brazil.
| | - Francisco Borges Costa
- Programa de Pós-graduação em Ciência Animal, Universidade Estadual do Maranhão, São Luís, MA, Brazil
| | - Thiago Fernandes Martins
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brazil; Departamento de Laboratórios Especializados, Superintendência de Controle de Endemias, Secretaria de Estado da Saúde de São Paulo, São Paulo, SP, Brazil
| | - Patricia Rosa de Oliveira
- Programa de Pós-graduação em Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão, São Luís, MA, Brazil; Programa de Pós-graduação em Biociências, Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, BA, Brazil
| | - Jonatas Lima
- Laboratório de Ornitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rio Branco, AC, Brazil
| | - David Pedroza Guimarães
- Laboratório de Ornitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rio Branco, AC, Brazil
| | - Ednaira Alencar Dos Santos
- Laboratório de Ornitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rio Branco, AC, Brazil
| | - Nicole Oliveira de Moura-Martiniano
- Laboratório de Carrapatos e outros Artrópodes Ápteros - Referência Nacional em Vetores das Rickettsioses, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Tayra Pereira Sato
- Laboratório de Carrapatos e outros Artrópodes Ápteros - Referência Nacional em Vetores das Rickettsioses, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Ana Beatriz Pais Borsoi
- Laboratório de Carrapatos e outros Artrópodes Ápteros - Referência Nacional em Vetores das Rickettsioses, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Karla Bitencourth
- Laboratório de Carrapatos e outros Artrópodes Ápteros - Referência Nacional em Vetores das Rickettsioses, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | | | - Gilberto Salles Gazeta
- Laboratório de Carrapatos e outros Artrópodes Ápteros - Referência Nacional em Vetores das Rickettsioses, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, RJ, Brazil
| | - Edson Guilherme
- Laboratório de Ornitologia, Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rio Branco, AC, Brazil; Centro de Ciências Biológicas e da Natureza, Universidade Federal do Acre, Rio Branco, AC, Brazil
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Nogueira BCF, Campos AK, Muñoz-Leal S, Pinter A, Martins TF. Soft and hard ticks (Parasitiformes: Ixodida) on humans: A review of Brazilian biomes and the impact of environmental change. Acta Trop 2022; 234:106598. [PMID: 35841953 DOI: 10.1016/j.actatropica.2022.106598] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/05/2022] [Accepted: 07/06/2022] [Indexed: 11/18/2022]
Abstract
Records of accidental parasitism by ticks in humans from Brazil are scarce, with most being reported by researchers who are parasitized during their research and by professionals who work with animals. In order to compile these records, an extensive literature review was carried out. Our revision includes studies published between 1909 and 2022, including nine species of the Argasidae family and 32 species of the Ixodidae family that were reported biting humans in the six biomes of the Brazilian territory. The species with the highest number of records of human parasitism was Amblyomma sculptum, followed by Amblyomma coelebs, Amblyomma cajennense sensu stricto, and Amblyomma brasiliense. The Atlantic Forest was the most frequent biome where human parasitism occurred, probably due to the greater number of inhabitants, universities, and researchers in the region; however, this does not mean that this biome is more conducive to the development of ticks and their parasitism in humans. In addition to Amblyomma ovale, a vector of Rickettsia parkeri in the country, two of the main species that act as vectors of Rickettsia rickettsii, A. sculptum, and Amblyomma aureolatum, have been reported, which is quite worrying considering that the wide distribution of the species and life stages most frequently mentioned in parasitism (i.e., nymphs and adults) are the ones that favour pathogen transmission. This research provides a significant contribution to the knowledge of tick species associated with human parasitism in Brazil; however, due to environmental change potentiated by deforestation and fires, it is expected that there will be a geographic expansion of some tick species and the pathogens that use them as a vector and an increase in human parasitism.
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Affiliation(s)
| | - Artur Kanadani Campos
- Departamento de Medicina Veterinária, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brasil
| | - Sebastián Muñoz-Leal
- Departamento de Ciencia Animal, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | - Adriano Pinter
- Departamento de Laboratórios Especializados, Superintendência de Controle de Endemias, Secretaria de Estado da Saúde de São Paulo, São Paulo, São Paulo, Brasil
| | - Thiago Fernandes Martins
- Departamento de Laboratórios Especializados, Superintendência de Controle de Endemias, Secretaria de Estado da Saúde de São Paulo, São Paulo, São Paulo, Brasil; Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, São Paulo, Brasil.
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da Costa IN, Oliveira MA, de Paulo PFM, Carioca ALPM, Garcia MV, Aguirre ADAR, de Medeiros JF. Amblyomma ticks in animal carcasses hunted in Mapinguari National Park, Western Amazon, Brazil: new records on species and host-parasite relationships. Ticks Tick Borne Dis 2022; 13:101973. [DOI: 10.1016/j.ttbdis.2022.101973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 05/21/2022] [Accepted: 05/26/2022] [Indexed: 10/18/2022]
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Dantas-Torres F, Picelli AM, Sales KGDS, Sousa-Paula LCD, Mejia P, Kaefer IL, Viana LA, Pessoa FAC. Ticks on reptiles and amphibians in Central Amazonia, with notes on rickettsial infections. Exp Appl Acarol 2022; 86:129-144. [PMID: 34914021 DOI: 10.1007/s10493-021-00682-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 11/26/2021] [Indexed: 06/14/2023]
Abstract
Reptiles and amphibians are exceptional hosts for different ectoparasites, including mites and ticks. In this study, we investigated tick infestations on reptiles and amphibians trapped in Central Amazonia, and also assessed the presence of rickettsial infections in the collected ticks. From September 2016 to September 2019, 385 reptiles (350 lizards, 20 snakes, 12 tortoises, and three caimans) and 120 amphibians (119 anurans and one caecilian) were captured and examined for ectoparasites. Overall, 35 (10%) lizards, three (25%) tortoises and one (0.8%) toad were parasitized by ticks (124 larvae, 32 nymphs, and 22 adults). In lizards, tick infestation varied significantly according to landscape category and age group. Based on combined morphological and molecular analyses, these ticks were identified as Amblyomma humerale (14 larvae, 12 nymphs, 19 males, and one female), Amblyomma nodosum (three larvae, one nymph, and one female), and Amblyomma rotundatum (four larvae, three nymphs, and one female), and Amblyomma spp. (103 larvae and 16 nymphs). Our study presents the first records of A. nodosum in the Amazonas state and suggests that teiid lizards are important hosts for larvae and nymphs of A. humerale in Central Amazonia. Moreover, a nymph of A. humerale collected from a common tegu (Tupinambis teguixin) was found positive for Rickettsia amblyommatis, which agrees with previous reports, suggesting that the A. humerale-R. amblyommatis relationship may be more common than currently recognized.
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Affiliation(s)
- Filipe Dantas-Torres
- Laboratório de Imunoparasitologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Recife, PE, Brazil.
| | - Amanda Maria Picelli
- Fundação Oswaldo Cruz - Fiocruz Rondônia, Porto Velho, RO, Brazil
- Programa de Pós-Graduação em Biologia Experimental, Fundação Universidade Federal de Rondônia, Porto Velho, RO, Brazil
| | | | | | - Paulo Mejia
- Programa de Pós-Graduação em Biodiversidade Tropical, Universidade Federal do Amapá, Macapá, AP, Brazil
| | - Igor Luis Kaefer
- Instituto de Ciências Biológicas, Universidade Federal do Amazonas, Manaus, AM, Brazil
| | - Lucio André Viana
- Laboratório de Estudos Morfofisiológicos e Parasitários, Departamento de Ciências Biológicas e da Saúde, Universidade Federal do Amapá, Macapá, AP, Brazil
| | - Felipe Arley Costa Pessoa
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Instituto Leônidas e Maria Deane, Fundação Oswaldo Cruz, Manaus, AM, Brazil
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Aguirre ADAR, da Costa IN, de Paulo PFM, Garcia MV, Medeiros JF. Rickettsia parkeri strain Atlantic rainforest infecting Amblyomma ovale (Acari: Ixodidae) in the Amazon Biome (Acre state, Brazil). Ticks Tick Borne Dis 2021; 13:101836. [PMID: 34610526 DOI: 10.1016/j.ttbdis.2021.101836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 09/04/2021] [Accepted: 09/13/2021] [Indexed: 11/19/2022]
Abstract
There is a lack of studies regarding tick-associated Rickettsia in the Amazon biome. Aiming to contribute to this knowledge, our research group collected ticks in the Western Amazon to better understand the tick fauna and their associated Rickettsia. In this study, we detected Rickettsia parkeri strain Atlantic rainforest DNA in the tick Amblyomma ovale Koch, 1844 in Rio Branco municipality, Acre state, northern Brazil. This is the first time that the R. parkeri strain Atlantic rainforest has been reported in the Amazon biome and is the first evidence of the circulation of a pathogenic spotted fever group (SFG) Rickettsia in this biome. This finding provides substantial information to help public health authorities understand which species of Rickettsia may be related to Amazon spotted fever cases.
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Affiliation(s)
| | - Ivaneide Nunes da Costa
- Laboratório de Entomologia, Fiocruz Rondônia, Fundação Oswaldo Cruz, Porto Velho, RO, Brazil; Programa de Pós-Graduação em Biologia Parasitária, turma especial de Doutorado em Ciências parceria IOC/Fiocruz Rondônia, Porto Velho, RO, Brazil
| | | | - Marcos Valério Garcia
- Bolsista Fundapam / Laboratório de Biologia do Carrapato, Embrapa Gado de Corte, Campo Grande, MS, Brazil
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Tojal SD, Meneguetti DUDO, Martins TF, Labruna MB, Aguirre ADAR, Siebra EAM, Cruz KSD, Camargo LMA. First report of Amblyomma latepunctatum and the second record of Ixodes luciae in the state of Acre, Brazil. ACTA ACUST UNITED AC 2021; 30:e007221. [PMID: 34259742 DOI: 10.1590/s1984-29612021063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/15/2021] [Indexed: 11/22/2022]
Abstract
The state of Acre is in the western part of the Brazilian Amazon region and few studies involving ticks are available. The aim of the present study was to provide the first report of occurrence of Amblyomma latepunctatum and the second record of Ixodes luciae in Acre. Ticks were collected in October 2020 inside an open forested area in the municipality of Rio Branco, the state capital of Acre. Ixodid ticks were identified according to their external morphological characteristics. Three specimens were found on the vegetation by means of a visual search and were identified as Amblyomma scalpturatum (one male and one female) and Amblyomma latepunctatum (one male). Another specimen was found parasitizing a Didelphis marsupialis female that was caught using a Tomahawk trap; this was identified as Ixodes luciae (one male). This first report of A. latepunctatum in the state of Acre increases the number of species recorded here to 22. In addition, presence of I. luciae is confirmed in this state (second record), in the western Brazilian Amazon region.
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Affiliation(s)
- Simone Delgado Tojal
- Programa de Pós-graduação em Ciências da Saúde, Universidade Federal São João del-Rei - UFSJ, Divinópolis, MG, Brasil.,Colégio de Aplicação, Universidade Federal do Acre - UFAC, Rio Branco, AC, Brasil
| | - Dionatas Ulises de Oliveira Meneguetti
- Colégio de Aplicação, Universidade Federal do Acre - UFAC, Rio Branco, AC, Brasil.,Programa de Pós-graduação em Ciências da Saúde na Amazônia Ocidental, Universidade Federal do Acre - UFAC, Rio Branco, AC, Brasil
| | - Thiago Fernandes Martins
- Faculdade de Medicina Veterinária e Zootecnia - FMVZ, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Marcelo Bahia Labruna
- Faculdade de Medicina Veterinária e Zootecnia - FMVZ, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | | | | | - Karoline Silva da Cruz
- Programa de Pós-graduação em Ciências da Saúde na Amazônia Ocidental, Universidade Federal do Acre - UFAC, Rio Branco, AC, Brasil
| | - Luís Marcelo Aranha Camargo
- Programa de Pós-graduação em Ciências da Saúde na Amazônia Ocidental, Universidade Federal do Acre - UFAC, Rio Branco, AC, Brasil.,Instituto de Ciências Biomédicas - ICB5, Universidade de São Paulo - USP, Monte Negro, RO, Brasil.,Instituto Nacional de Epidemiologia da Amazônia Ocidental - INCT-EpiAmO, Porto Velho, RO, Brasil.,Centro de Pesquisas em Medicina Tropical - CEPEM, Porto Velho, RO, Brasil.,Departamento de Medicina, Centro Universitário São Lucas - UniSL, Porto Velho, RO, Brasil
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Machado Y, Acosta ICL, Martins TF, Srbek-Araujo AC. Parasitism by Amblyomma humerale (Acari: Ixodidae) on Chelonoidis denticulatus (Testudines: Testudinidae) in the Atlantic Forest. ACTA ACUST UNITED AC 2021; 30:e002921. [PMID: 34037189 DOI: 10.1590/s1984-29612021044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/05/2021] [Indexed: 11/22/2022]
Abstract
The present study reports on patterns of parasitism by Amblyomma humerale on yellow-footed tortoise, Chelonoidis denticulatus, in the Atlantic Forest of southeastern Brazil. The tortoises were sampled occasionally, from July 2005 to January 2020. We collected 81 adult ticks from seven tortoises (mean = 11.57 ± 6.90 ticks/host), of which 72 were males (88.9%) and nine females (11.1%), resulting in an 8:1 sex ratio (males:females). Males were found in clusters, attached to the carapace. Females occurred mainly isolated, attached to coriaceous integumental areas (n = 7; 77.8%), especially the engorged females (100%). We suggest that the difference between attachment sites is a strategy used by fertilized females to avoid mechanical removal from their host through friction with elements of the environment. Because they undergo a considerable increase of volume when engorged, they move to more sheltered places on their host's surface. The parasitism patterns by A. humerale on C. denticulatus were compatible with those observed in the Amazon region and in the Cerrado-Amazonia transition. The present work provides information about the life history and host-parasite interface of the two species and contributes to understanding the parasitism patterns by A. humerale on C. denticulatus in the Atlantic Forest of southeastern Brazil.
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Affiliation(s)
- Ygor Machado
- Programa de Pós-graduação em Ciência Animal, Universidade Vila Velha - UVV, Vila Velha, ES, Brasil
| | - Igor Cunha Lima Acosta
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Thiago Fernandes Martins
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Ana Carolina Srbek-Araujo
- Programa de Pós-graduação em Ciência Animal, Universidade Vila Velha - UVV, Vila Velha, ES, Brasil.,Programa de Pós-graduação em Ecologia de Ecossistemas, Universidade Vila Velha - UVV, Vila Velha, ES, Brasil.,Instituto SerraDiCal de Pesquisa e Conservação, Belo Horizonte, MG, Brasil
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Costa FB, Martins TF, Muñoz-Leal S, de Azevedo Serpa MC, Ogrzewalska M, Luz HR, Barros-Battesti DM, de Carvalho Mesquita ETK, da Costa AP, de Maria Seabra Nogueira R, Labruna MB. Retrospective and new records of ticks (Acari: Argasidae, Ixodidae) from the state of Maranhão, an Amazon-Cerrado transition area of Brazil. Vet Parasitol Reg Stud Reports 2020; 21:100413. [PMID: 32862893 DOI: 10.1016/j.vprsr.2020.100413] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 05/03/2020] [Accepted: 05/15/2020] [Indexed: 02/06/2023]
Abstract
The Brazilian state of Maranhão is located in a transition area of the Amazon and Cerrado biomes, where there is a rich fauna of vertebrates. This study aimed to update the list of the ticks occurring in Maranhão, through a compilation of literature records and examination of three tick collections, plus the addition of unpublished collections of ticks from road-killed animals during recent years. Our results indicate that the tick fauna of Maranhão includes 26 species: seven in the family Argasidae (Antricola guglielmonei, Argas miniatus, Ornithodoros cavernicolous, Ornithodoros hasei, Ornithodoros mimon, Ornithodoros rietcorreai and Ornithodoros rudis); and 19 in the family Ixodidae (Amblyomma auricularium-provisional, Amblyomma cajennense sensu stricto, Amblyomma calcaratum, Amblyomma dissimile, Amblyomma geayi, Amblyomma longirostre, Amblyomma naponense, Amblyomma nodosum, Amblyomma oblongoguttatum, Amblyomma ovale, Amblyomma parvum, Amblyomma rotundatum, Amblyomma sculptum, Amblyomma triste, Dermacentor nitens, Ixodes luciae, Haemaphysalis juxtakochi, Rhipicephalus microplus, and Rhipicephalus sanguineus sensu lato). Eleven of the above species are reported for the first time in Maranhão. We consider previous reports of Ornithodoros talaje and Amblyomma pseudoconcolor in Maranhão as misidentification with O. hasei and A. auricularium, respectively. Until 1958, only 11 tick species were reported in Maranhão, with no additional reports until 2009. During 2010-2019, 15 additional species were reported. We also highlight the importance of ticks for public and veterinary health in Maranhão.
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Fonseca MS, Bahiense TC, Silva AAB, Onofrio VC, Barral TD, Souza BMP, Lira-da-Silva RM, Biondi I, Meyer R, Portela RW. Ticks and Associated Pathogens From Rescued Wild Animals in Rainforest Fragments of Northeastern Brazil. Front Vet Sci 2020; 7:177. [PMID: 32373635 PMCID: PMC7179698 DOI: 10.3389/fvets.2020.00177] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 03/17/2020] [Indexed: 12/11/2022] Open
Abstract
The Ixodidae family comprises ticks that are hematophagous ectoparasites and are considered vectors of several hemoparasites from the Anaplasmataceae family and the genus Hepatozoon, Babesia, and Rickettsia. These ectoparasites parasitize domestic and wild animals belonging to several vertebrate groups. Ticks are highly adapted to different biomes and thus possess a wide geographical distribution. In the Brazilian state of Bahia, localized in the Northeast region, there are large rainforest fragments. Studies have rarely been carried out on ticks, and their hemoparasites, that parasitize wild animals in this region. Thus, this study aimed to identify the tick species parasitizing wild animals rescued in rainforest fragments of Bahia and investigate the presence of hemoparasites in tick tissues. During a 2-year period, 238 ticks were collected from 41 wild mammalians, reptiles, and amphibians. These ectoparasites were taxonomically classified according to their morphological characteristics. The ticks identified belonged to five different species from the Ixodidae family: Amblyomma varium, Amblyomma rotundatum, Amblyomma nodosum, Ixodes loricatus, and Rhipicephalus sanguineus. For the first time, an A. rotundatum parasitizing the Mesoclemmys tuberculata turtle was described. PCR assays using DNA extracted from salivary glands or midgut of the ticks were performed to detect specific DNA fragments of hemoparasites from the genus Rickettsia, Ehrlichia, Babesia, Hepatozoon, and from the Anaplasmataceae family. The results showed positive detection of the Rickettsia genus (7.9%), Anaplasmataceae family (15.8%), and Hepatozoon genus (15.8%). Specific DNA from the Ehrlichia and Babesia genera were not detected in these samples. Specific DNA from members of the Anaplasmataceae family was detected in A. varium for the first time. The present work showed that amphibians, reptiles, and mammals from Bahia's Atlantic Forest areparasitized by different tick species, and that these ectoparasites present pathogens in their tissues that impact both humans and animals due to their zoonotic potential.
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Affiliation(s)
- Maísa Santos Fonseca
- Laboratório de Imunologia e Biologia Molecular, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Thiago Campanharo Bahiense
- Laboratório de Parasitologia Veterinária, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Aretha Alves Borges Silva
- Laboratório de Parasitologia Veterinária, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Valeria Castilho Onofrio
- Laboratório Especial de Coleções Zoológicas, Instituto Butantan, São Paulo, Brazil.,Mestrado em Medicina e Bem-Estar Animal, Universidade Santo Amaro, São Paulo, Brazil
| | - Thiago Doria Barral
- Laboratório de Imunologia e Biologia Molecular, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | | | - Rejane Maria Lira-da-Silva
- Núcleo Regional de Ofiologia e Animais Peçonhentos da Bahia, Departamento de Zoologia, Instituto de Biologia, Universidade Federal da Bahia, Salvador, Brazil
| | - Ilka Biondi
- Laboratório de Animais Peçonhentos e Herpetologia, Departamento de Ciências Biológicas, Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
| | - Roberto Meyer
- Laboratório de Imunologia e Biologia Molecular, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Ricardo Wagner Portela
- Laboratório de Imunologia e Biologia Molecular, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
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12
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Onofrio VC, Guglielmone AA, Barros-Battesti DM, Gianizella SL, Marcili A, Quadros RM, Marques S, Labruna MB. Description of a new species of Ixodes (Acari: Ixodidae) and first report of Ixodes lasallei and Ixodes bocatorensis in Brazil. Ticks Tick Borne Dis 2020; 11:101423. [PMID: 32327327 DOI: 10.1016/j.ttbdis.2020.101423] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/06/2020] [Accepted: 03/21/2020] [Indexed: 10/24/2022]
Abstract
In a recent study, we relegated the taxon Ixodes aragaoi Fonseca, 1935 to a junior synonym of Ixodes fuscipes Koch, 1844, and reinstated Ixodes spinosusNeumann, 1899 (a former synonym of I. fuscipes) to a valid species. We examined all lots of ticks formerly identified as I. fuscipes or I. aragaoi in three tick collections of Brazil. Through morphological analysis, some of the examined specimens could not be assigned to either I. fuscipes or I. spinosus based on the examination of the type specimens of these two species. Herein, we report these ticks to represent three different species: Ixodes catarinensis n. sp. Onofrio & Labruna, Ixodes lasalleiMéndez Arocha and Ortiz, 1958, and Ixodes bocatorensisApanaskevich and Bermúdez, 2017. The latter two species are reported for the first time in Brazil. Phylogenetic analysis inferred from the tick 16S rRNA gene partial sequences corroborated our morphological analysis, indicating that I. spinosus, I. lasallei, I. bocatorensis, and I. catarinensis n. sp. form a natural group of neotropical ticks. With the present study, the number of Ixodes species in Brazil increases from 9 to 12. We propose a new identification key for females and males of Ixodes species currently recognized in Brazil.
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Affiliation(s)
- Valeria C Onofrio
- Laboratório Especial de Coleções Zoológicas, Instituto Butantan, São Paulo, SP, Brazil; Mestrado em Medicina e Bem-Estar Animal, Universidade Santo Amaro, São Paulo, SP, Brazil
| | - Alberto A Guglielmone
- Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Agropecuaria Rafaela, Consejo Nacional de Investigaciones Científicas y Técnicas, Rafaela, Santa Fe, Argentina
| | - Darci M Barros-Battesti
- Departamento de Patologia Veterinária, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista - UNESP, Jaboticabal, SP, Brazil
| | - Sergio L Gianizella
- Laboratório de Zoologia, Departamento de Biologia, Instituto de Ciências Biológicas, Universidade Federal do Amazonas, Manaus, AM, Brazil
| | - Arlei Marcili
- Mestrado em Medicina e Bem-Estar Animal, Universidade Santo Amaro, São Paulo, SP, Brazil
| | - Rosiléia M Quadros
- Departamento de Engenharia de Pesca e Ciências Biológicas, Universidade do Estado de Santa Catarina, Lages, SC, Brazil; Laboratório de Zoologia e Parasitologia, Universidade do Planalto Catarinense, Lages, SC, Brazil
| | - Sandro Marques
- Laboratório de Identificação e Pesquisa de Fauna Sinantrópica da Prefeitura Municipal de São Paulo, São Paulo, SP, Brazil
| | - Marcelo B Labruna
- Departamento de Medicina Veterinária Preventiva e Saúde animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Orlando Marques de Paiva 87, Cidade Universitária, 05508-270, São Paulo, SP, Brazil.
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13
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Labruna MB, Onofrio VC, Barros-battesti DM, Gianizella SL, Venzal JM, Guglielmone AA. Synonymy of Ixodes aragaoi with Ixodes fuscipes, and reinstatement of Ixodes spinosus (Acari: Ixodidae). Ticks Tick Borne Dis 2020; 11:101349. [DOI: 10.1016/j.ttbdis.2019.101349] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 11/19/2019] [Accepted: 11/28/2019] [Indexed: 11/21/2022]
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14
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Dantas-Torres F, Mascarenhas-Junior PB, Dos Anjos HR, Dos Santos EM, Correia JMS. Tick infestation on caimans: a casual tick-host association in the Atlantic rainforest biome? Exp Appl Acarol 2019; 79:411-420. [PMID: 31677027 DOI: 10.1007/s10493-019-00430-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 10/22/2019] [Indexed: 06/10/2023]
Abstract
Ticks are parasites of birds, mammals, amphibians, and reptiles, but information about tick communities that parasitize reptiles in the Neotropical region is still fragmentary. In the present study, we assessed the presence of ticks on broad-snouted caimans (Caiman latirostris) and Cuvier's dwarf caimans (Paleosuchus palpebrosus) trapped in the Atlantic rainforest biome in Pernambuco state, north-eastern Brazil, to determine which tick species feed on these animals and how frequent or rare this parasite-wildlife association is. We also report an occasional finding of Amblyomma rotundatum on a smooth-fronted caiman (Paleosuchus trigonatus) in the Amazon biome in Pará state, northern Brazil. Out of 490 animals trapped in the Atlantic rainforest biome, four (0.82%) broad-snouted caimans were infested by ticks. Ticks belonged to two Amblyomma species: A. rotundatum (three females) and A. fuscum (one male). Our findings indicate that ticks are infrequent parasites of caimans in the Atlantic rainforest biome. Tick infestation on broad-snouted caimans is probably of minor clinical significance and probably a casual finding due to habitat sharing with the common tick hosts.
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Affiliation(s)
- Filipe Dantas-Torres
- Laboratório de Imunoparasitologia, Department of Immunology, Aggeu Magalhães Institute, Oswaldo Cruz Foundation (Fiocruz), Recife, PE, Brazil.
| | - Paulo Braga Mascarenhas-Junior
- Laboratório Interdisciplinar de Anfíbios e Répteis, Department of Biology, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Haggy Rodrigues Dos Anjos
- Laboratório Interdisciplinar de Anfíbios e Répteis, Department of Biology, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Ednilza Maranhão Dos Santos
- Laboratório Interdisciplinar de Anfíbios e Répteis, Department of Biology, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - Jozelia Maria Sousa Correia
- Laboratório Interdisciplinar de Anfíbios e Répteis, Department of Biology, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
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Binder LDC, Tauro LB, Farias AA, Labruna MB, Diaz A. Molecular survey of flaviviruses and orthobunyaviruses in Amblyomma spp. ticks collected in Minas Gerais, Brazil. ACTA ACUST UNITED AC 2019; 28:764-768. [PMID: 31576974 DOI: 10.1590/s1984-29612019071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 08/06/2019] [Indexed: 11/21/2022]
Abstract
Due to anthropic environmental changes, vector-borne diseases are emerging worldwide. Ticks are known vectors of several pathogens of concern among humans and animals. In recent decades, several examples of tick-borne emerging viral diseases have been reported (Crimean Congo hemorrhagic fever virus, Powassan virus, encephalitis virus, heartland virus, severe fever with thrombocytopenia syndrome virus). Unfortunately, few studies addressing the presence of viruses in wild ticks have been carried out in South America. With the aim of detecting flaviviruses and orthobunyaviruses in ticks, we carried out molecular detection in wild ticks collected in the state of Minas Gerais, Brazil. No Flavivirus-positive ticks were detected; however, we detected activity of Orthobunyavirus in 8 Amblyomma tick specimens. One of those individuals was positive for Bunyamwera orthobunyavirus, which represents the first report of this virus among ticks in South America. Further studies related to the ecology of zoonotic diseases are needed to increase knowledge of this topic, including attempts at viral isolation, full genome sequencing and biological characterization. In this way, we will obtain a better picture of the real risk of ticks as a vector for viral diseases for humans and animals on our continent, where no tick-borne viral disease is known to occur.
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Affiliation(s)
- Lina de Campos Binder
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Laura Beatriz Tauro
- Arbovirus Laboratory, Faculty of Medicine, Institute of Virology "Dr. J. M. Vanella", National University of Córdoba - UCO, Córdoba, Argentina.,Institute of Subtropical Biology, Consejo Nacional de Investigaciones Científicas y Técnicas - CONICET, National University of Misiones, Misiones, Argentina
| | - Adrian Alejandro Farias
- Arbovirus Laboratory, Faculty of Medicine, Institute of Virology "Dr. J. M. Vanella", National University of Córdoba - UCO, Córdoba, Argentina
| | - Marcelo Bahia Labruna
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária, Universidade de São Paulo - USP, São Paulo, SP, Brasil
| | - Adrian Diaz
- Arbovirus Laboratory, Faculty of Medicine, Institute of Virology "Dr. J. M. Vanella", National University of Córdoba - UCO, Córdoba, Argentina.,Institute of Biological and Technological Research, Consejo Nacional de Investigaciones Científicas y Técnicas - CONICET, National University of Córdoba - UCO, Córdoba, Argentina
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16
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Martins TF, Luz HR, Muñoz-Leal S, Ramirez DG, Milanelo L, Marques S, Sanches TC, Onofrio VC, da C.L.Acosta I, Benatti HR, Maturano R, de Oliveira PB, Albuquerque GR, Marcili A, Flausino W, Silveira LF, McIntosh D, Faccini JLH, Labruna MB. A new species of Amblyomma (Acari: Ixodidae) associated with monkeys and passerines of the Atlantic rainforest biome, Southeastern Brazil. Ticks Tick Borne Dis 2019; 10:101259. [DOI: 10.1016/j.ttbdis.2019.07.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 06/21/2019] [Accepted: 07/05/2019] [Indexed: 10/26/2022]
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Aguirre ADAR, Rodrigues VDS, Costa IND, Garcia MV, Csordas BG, Andreotti R, Medeiros JF. Amblyomma scalpturatum Neumann, 1906 (Acari: Ixodidae): confirmation in Acre State, Brazil, and description of parasitism in a human. Rev Bras Parasitol Vet 2019; 28:473-478. [DOI: 10.1590/s1984-29612019048] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 05/30/2019] [Indexed: 11/21/2022]
Abstract
Abstract Amblyomma scalpturatum is a tick species that is unique to South America. It is commonly associated with the Amazon biome and has been reported in some Brazilian states. This tick species exhibits host specificity: it parasitizes tapirs and suidae. Its role in transmitting pathogens to humans is still unknown. Amblyomma scalpturatum is known to be a human-biting tick; however, there is only one report showing that humans make suitable hosts for this species. The knowledge of tick fauna is lacking in the Acre State. This study collected free-living ticks with the aim of finding new records in Acre State. Collections were carried out in Amazon forest fragments in Rio Branco municipality. An A. scalpturatum specimen was identified and submitted sequencing of the ITS-2 gene. This study presents the first molecular confirmation of A. scalpturatum collected in situ in Acre State, North Region, Brazil. This study also presents the first record of a successfully completed feeding by an A. scalpturatum nymph on a human host in the North region of Brazil. Further investigation is needed to ascertain the complete life cycle of this tick species, its seasonality in the environment, and its relationship to pathogens and competence to transmit them.
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Affiliation(s)
| | | | | | - Marcos Valério Garcia
- Embrapa Gado de Corte, Brasil; Fundação de Apoio a Pesquisa Agropecuária e Ambiental, Brasil
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18
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Muñoz-García CI, Guzmán-Cornejo C, Rendón-Franco E, Villanueva-García C, Sánchez-Montes S, Acosta-Gutierrez R, Romero-Callejas E, Díaz-López H, Martínez-Carrasco C, Berriatua E. Epidemiological study of ticks collected from the northern tamandua (Tamandua mexicana) and a literature review of ticks of Myrmecophagidae anteaters. Ticks Tick Borne Dis 2019; 10:1146-1156. [PMID: 31231044 DOI: 10.1016/j.ttbdis.2019.06.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 06/03/2019] [Accepted: 06/06/2019] [Indexed: 12/15/2022]
Abstract
The family Myrmecophagidae contains three anteater species: Tamandua mexicana (Saussure, 1860), Tamandua tetradactyla (Linnaeus, 1758) and Myrmecophaga tridactyla (Linnaeus, 1758). These American anteater species currently face many conservation threats, among which road traffic accidents stand out. Parasitic studies on this family are scarce, and some of them include records of ectoparasites. Specifically for northern tamandua (T. mexicana), there is a lack of studies at population level. The objectives of the present research were to carry out an epidemiological study of tick species and its abundance on road-killed northern anteater specimens and, moreover, to perform a literature review of ticks collected from anteaters of Myrmecophagidae family. Five tick species were identified, including four Amblyomma spp. and Rhipicephalus sanguineus sensu lato, on 23 road-killed anteaters. Tick infestation prevalence was 43% (10/23), with a median tick infestation intensity of 3.5 per anteater (interquartile range 1-13.7). The bibliographic review highlighted the existence of twenty-nine ixodid species recorded on the three anteater species from 14 countries, mainly Brazil. The most common tick species on the Myrmecophagidae family are Amblyomma nodosum, A. calcaratum, A. cajennense sensu lato and A. auricularium. Some of these ixodids were also described as vectors of pathogens. Further studies are needed to evaluate the impact of ticks on anteater fitness, and to assess the role of these mammals as reservoirs of vector-borne diseases.
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Affiliation(s)
- Claudia Irais Muñoz-García
- Departamento de Sanidad Animal, Facultad de Veterinaria, Campus Regional Internacional de Excelencia "Campus Mare Nostrum", Universidad de Murcia, 30100, Murcia, Spain; Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana. Calzada del Hueso 1100, Col. Villa Quietud, Del. Coyoacán, CP. 04960, Mexico City, Mexico.
| | - Carmen Guzmán-Cornejo
- Laboratorio de Acarología, Facultad de Ciencias, Universidad Nacional Autónoma de México. Circuito Exterior s/n, CP. 04510, Mexico City, Mexico
| | - Emilio Rendón-Franco
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana. Calzada del Hueso 1100, Col. Villa Quietud, Del. Coyoacán, CP. 04960, Mexico City, Mexico
| | - Claudia Villanueva-García
- Laboratorio de Ecología del Paisaje y Cambio Global, Universidad Juárez Autónoma de Tabasco, División Académica de Ciencias Biológicas. Carretera Villahermosa-Cárdenas Km. 0.5 S/N, Entronque a Bosques de Saloya. CP. 86150, Tabasco, Mexico
| | - Sokani Sánchez-Montes
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México. Dr. Balmis 148, Col. Doctores, CP. 06726,Mexico City, Mexico
| | - Roxana Acosta-Gutierrez
- Museo de Zoología "Alfonso L. Herrera", Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México. Circuito Exterior s/n, CP. 04510, Mexico City, Mexico
| | - Evangelina Romero-Callejas
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México. Circuito Exterior s/n, Ciudad Universitaria, Del. Coyoacán, CP. 04510, Mexico City, Mexico
| | - Hilda Díaz-López
- Laboratorio de Ecología del Paisaje y Cambio Global, Universidad Juárez Autónoma de Tabasco, División Académica de Ciencias Biológicas. Carretera Villahermosa-Cárdenas Km. 0.5 S/N, Entronque a Bosques de Saloya. CP. 86150, Tabasco, Mexico
| | - Carlos Martínez-Carrasco
- Departamento de Sanidad Animal, Facultad de Veterinaria, Campus Regional Internacional de Excelencia "Campus Mare Nostrum", Universidad de Murcia, 30100, Murcia, Spain
| | - Eduardo Berriatua
- Departamento de Sanidad Animal, Facultad de Veterinaria, Campus Regional Internacional de Excelencia "Campus Mare Nostrum", Universidad de Murcia, 30100, Murcia, Spain
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Torres AC, Minervino AHH, Santos Júnior AP, Sarturi C, Martins TF, Vale WG, Morini AC, Marcili A, Portela JM, Gennari SM. Amblyomma ticks infesting amphibians and Squamata reptiles from the lower Amazon region, Brazil. Exp Appl Acarol 2018; 75:399-407. [PMID: 30088214 DOI: 10.1007/s10493-018-0277-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 07/30/2018] [Indexed: 06/08/2023]
Abstract
Amphibians and Squamata reptiles belonging to a zoological collection were screened for ectoparasites, which were removed from the hosts and identified using morphological keys. Descriptive statistics and analysis of the association between the parasite and host characteristics (taxonomic group, capture location and habitat) were done. Among the 1256 animals examined (319 amphibians and 937 reptiles), 86 individuals were parasitized, corresponding to a frequency of 6.9% (6.6% reptiles and 7.5% amphibians). Ticks in the adult and nymph stages were identified to the species level; all of them belonged to the species Amblyomma dissimile. The larvae were identified to the genus level and were all Amblyomma sp. In total 69 larvae, 28 nymphs and eight adults were found. The most parasitized species was the frog Rhinella major: 24 parasitized animals of 65 examined (36.9%). There was a difference (P < 0.001) between parasitism by ticks of the genus Amblyomma with regard to the habitat of capture of the parasitized animal, with a higher parasitism rate in hosts that inhabited open areas as compared to animals ensconced in forest areas and edges of forests. New tick-host associations are given.
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Affiliation(s)
| | | | | | - Cristiane Sarturi
- Universidade Federal do Oeste do Pará, Rua Vera Paz, s/n, Santarém, PA, 68040-255, Brazil
| | - Thiago Fernandes Martins
- Faculdade de Medicina Veterinaria e Zootecnia, Universidade de São Paulo, Av. Prof. Orlando Marques de Paiva, 87, São Paulo, SP, 05508-270, Brazil
| | - Willian Gomes Vale
- Faculdade de Medicina Veterinaria e Zootecnia, Universidade de São Paulo, Av. Prof. Orlando Marques de Paiva, 87, São Paulo, SP, 05508-270, Brazil
| | | | - Arlei Marcili
- Universidade Federal do Oeste do Pará, Rua Vera Paz, s/n, Santarém, PA, 68040-255, Brazil
- Universidade de Santo Amaro, Rua Prof. Enéas de Siqueira Neto, 340, Sao Paulo, SP, 04829-300, Brazil
| | | | - Solange Maria Gennari
- Faculdade de Medicina Veterinaria e Zootecnia, Universidade de São Paulo, Av. Prof. Orlando Marques de Paiva, 87, São Paulo, SP, 05508-270, Brazil
- Universidade de Santo Amaro, Rua Prof. Enéas de Siqueira Neto, 340, Sao Paulo, SP, 04829-300, Brazil
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Reck J, Souza U, Souza G, Kieling E, Dall’agnol B, Webster A, Michel T, Doyle R, Martins TF, Labruna MB, Marks F, Ott R, Martins JR. Records of ticks on humans in Rio Grande do Sul state, Brazil. Ticks Tick Borne Dis 2018; 9:1296-301. [DOI: 10.1016/j.ttbdis.2018.05.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 05/05/2018] [Accepted: 05/15/2018] [Indexed: 11/21/2022]
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