1
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Volkow P, Grostieta E, Salceda-Sánchez B, Huerta-Jiménez H, Alcántara-Rodríguez V, Becker I, Sánchez-Montes S. A story of a lone star tick: an imported case of Amblyomma americanum (Linnaeus, 1758) infected with Rickettsia amblyommatis that parasitized a US traveler returning to Mexico. Rev Inst Med Trop Sao Paulo 2023; 65:e37. [PMID: 37283412 DOI: 10.1590/s1678-9946202365037] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 01/18/2023] [Indexed: 06/08/2023] Open
Abstract
In this study, we report the presence of a female Amblyomma americanum tick attached to a former resident of the East Coast of the United States who moved to Mexico city. The amplification and sequencing of gene fragments of the 16S-rDNA and cytochrome c oxidase subunit 1 corroborated the identification of the species of the tick. Additionally, the presence of DNA of Rickettsia amblyommatis was confirmed. This work is the first report of an exotic tick of the genus Amblyomma in a traveler from the US to Mexico and represents the second record of an imported tick attached to humans in Mexico.
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Affiliation(s)
- Patricia Volkow
- Instituto Nacional de Cancerología, Departamento de Infectología, Ciudad de México, México
| | - Estefania Grostieta
- Universidad Nacional Autónoma de México, Facultad de Medicina, Centro de Medicina Tropical, Ciudad de México, México
| | - Beatriz Salceda-Sánchez
- Secretaría de Salud, Instituto de Diagnóstico y Referencia Epidemiológicos, Laboratorio de Entomología, Ciudad de México, México
| | - Herón Huerta-Jiménez
- Secretaría de Salud, Instituto de Diagnóstico y Referencia Epidemiológicos, Laboratorio de Entomología, Ciudad de México, México
| | | | - Ingeborg Becker
- Universidad Nacional Autónoma de México, Facultad de Medicina, Centro de Medicina Tropical, Ciudad de México, México
| | - Sokani Sánchez-Montes
- Universidad Nacional Autónoma de México, Facultad de Medicina, Centro de Medicina Tropical, Ciudad de México, México
- Universidad Veracruzana, región Poza Rica-Tuxpan, Facultad de Ciencias Biológicas y Agropecuarias, Laboratorio de Diagnóstico, Tuxpan de Rodríguez Cano, Veracruz, México
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2
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Richardson EA, Roe RM, Apperson CS, Ponnusamy L. Rickettsia amblyommatis in Ticks: A Review of Distribution, Pathogenicity, and Diversity. Microorganisms 2023; 11:microorganisms11020493. [PMID: 36838458 PMCID: PMC9960904 DOI: 10.3390/microorganisms11020493] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 02/18/2023] Open
Abstract
Rickettsia amblyommatis is a potentially pathogenic species of Rickettsia within the spotted fever group vectored by ticks. While many studies have been published on this species, there is debate over its pathogenicity and the inhibitory role it plays in diagnosing illnesses caused by other spotted fever group Rickettsia species. Many publications have recorded the high infection prevalence of R. amblyommatis in tick populations at a global scale. While this species is rather ubiquitous, questions remain over the epidemiological importance of this possible human pathogen. With tick-borne diseases on the rise, understanding the exact role that R. amblyommatis plays as a pathogen and inhibitor of infection relative to other tick-borne pathogens will help public health efforts. The goal of this review was to compile the known literature on R. amblyommatis, review what we know about its geographic distribution, tick vectors, and pathogenicity, assess relatedness between various international strains from ticks by phylogenetic analysis and draw conclusions regarding future research needed.
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3
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Rickettsia spp. in ticks from a tropical dry forest reserve on Mexico's Pacific Coast. Ticks Tick Borne Dis 2022; 13:101911. [DOI: 10.1016/j.ttbdis.2022.101911] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 01/07/2022] [Accepted: 01/25/2022] [Indexed: 11/23/2022]
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4
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Potential distribution of Amblyomma mixtum (Koch, 1844) in climate change scenarios in the Americas. Ticks Tick Borne Dis 2021; 12:101812. [PMID: 34416565 DOI: 10.1016/j.ttbdis.2021.101812] [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: 07/21/2020] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 11/21/2022]
Abstract
Amblyomma mixtum is a Neotropical generalist tick of medical and veterinary importance which is widely distributed from United States of America to Ecuador. The aim of this study was to evaluate changes in the geographic projections of the ecological niche models of A. mixtum in climate change scenarios in America. We constructed a database of published scientific publications, personal collections, personal communications, and online databases. Ecological niche modelling was performed with 15 Bioclimatic variables using kuenm in R and was projected to three time periods (Last Glacial Maximum, Current and 2050) for America. Our model indicated a wide distribution for A. mixtum, with higher probability of occurrence along the Gulf of Mexico and occurring in a lesser proportion in the Pacific states, Central America, and the northern part of South America. The areas of new invasion are located mainly on the border of Mexico with Guatemala and Belize, some regions of Central America and Colombia. We conclude that the ecological niche modelling are effective tools to infer the potential distribution of A. mixtum in America, in addition to helping to propose future measures of epidemiological control and surveillance in the new potential areas of invasion.
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Alonso-Díaz MA, Fernández-Salas A. Entomopathogenic Fungi for Tick Control in Cattle Livestock From Mexico. FRONTIERS IN FUNGAL BIOLOGY 2021; 2:657694. [PMID: 37744087 PMCID: PMC10512273 DOI: 10.3389/ffunb.2021.657694] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 04/01/2021] [Indexed: 09/26/2023]
Abstract
Ticks are one of the main economic threats to the cattle industry worldwide affecting productivity, health and welfare. The need for alternative methods to control tick populations is prompted by the high prevalence of multiresistant tick strains to the main chemical acaricides and their ecological consequences. Biological control using entomopathogenic fungi (EPF) is one of the most promising alternative options. The objective of this paper is to review the use of EPF as an alternative control method against cattle ticks in Mexico. Metarhizium anisopliae sensu lato (s.l.) and Beauveria bassiana s.l. are the most studied EPF for the biological control of ticks in the laboratory and in the field, mainly against Rhipicephalus microplus; however, evaluations against other important cattle ticks such as Amblyomma mixtum and R. annulatus, are needed. A transdisciplinary approach is required to incorporate different types of tools, such as genomics, transcriptomics and proteomics in order to better understand the pathogenicity/virulence mechanism in EPF against ticks. Laboratory tests have demonstrated the EPF efficacy to control susceptible and resistant/multiresistant tick populations; whereas, field tests have shown satisfactory control efficiency of M. anisopliae s.l. against different stages of R. microplus when applied both on pasture and on cattle. Epidemiological aspects of ticks and environmental factors are considered as components that influence the acaricidal behavior of the EPF. Finally, considering all these aspects, some recommendations are proposed for the use of EPF in integrated control schemes for livestock ticks.
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6
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Sánchez-Montes S, Colunga-Salas P, Lozano-Sardaneta YN, Zazueta-Islas HM, Ballados-González GG, Salceda-Sánchez B, Huerta-Jiménez H, Torres-Castro M, Panti-May JA, Peniche-Lara G, Muñoz-García CI, Rendón-Franco E, Ojeda-Chi MM, Rodríguez-Vivas RI, Zavala-Castro J, Dzul-Rosado K, Lugo-Caballero C, Alcántara-Rodríguez VE, Delgado-de la Mora J, Licona-Enríquez JD, Delgado-de la Mora D, López-Pérez AM, Álvarez-Hernández G, Tinoco-Gracia L, Rodríguez-Lomelí M, Ulloa-García A, Blum-Domínguez S, Tamay-Segovia P, Aguilar-Tipacamú G, Cruz-Romero A, Romero-Salas D, Martínez-Medina MA, Becker I. The genus Rickettsia in Mexico: Current knowledge and perspectives. Ticks Tick Borne Dis 2020; 12:101633. [PMID: 33388556 DOI: 10.1016/j.ttbdis.2020.101633] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 11/13/2020] [Accepted: 11/30/2020] [Indexed: 10/22/2022]
Abstract
The genus Rickettsia encompasses 35 valid species of intracellular, coccobacilli bacteria that can infect several eukaryotic taxa, causing multiple emerging and re-emerging diseases worldwide. This work aimed to gather and summarise the current knowledge about the genus Rickettsia in Mexico, updating the taxonomy of the bacteria and their hosts by including all the records available until 2020, to elucidate host-parasite relationships and determine the geographical distribution of each Rickettsia species present in the country. Until now, 14 species of Rickettsia belonging to four groups have been recorded in Mexico. These species have been associated with 26 arthropod species (14 hard ticks, three soft ticks, two sucking lice, and seven fleas) and 17 mammal species distributed over 30 states in Mexico. This work highlights the high biological inventory of rickettsias for Mexico and reinforces the need to approach the study of this group from a One Health perspective.
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Affiliation(s)
- Sokani Sánchez-Montes
- Facultad de Ciencias Biológicas y Agropecuarias región Tuxpan, Universidad Veracruzana, Veracruz, Mexico; Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
| | - Pablo Colunga-Salas
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Yokomi N Lozano-Sardaneta
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Héctor M Zazueta-Islas
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Gerardo G Ballados-González
- Facultad de Medicina Veterinaria y Zootecnia, Rancho Torreón del Molino, Universidad Veracruzana, Veracruz, Mexico
| | - Beatriz Salceda-Sánchez
- Laboratorio de Entomología, Instituto de Diagnóstico y Referencia Epidemiológicos, Secretaría de Salud, Ciudad de México, Mexico
| | - Herón Huerta-Jiménez
- Laboratorio de Entomología, Instituto de Diagnóstico y Referencia Epidemiológicos, Secretaría de Salud, Ciudad de México, Mexico
| | - Marco Torres-Castro
- Laboratorio de Enfermedades Emergentes y Reemergentes, Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán, Yucatán, Mexico
| | - Jesús Alonso Panti-May
- Campus de Ciencias Biológicas y Agropecuarias, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Mérida, Yucatán, Mexico
| | - Gaspar Peniche-Lara
- Laboratorio de Enfermedades Infecciosas y Parasitarias, Facultad de Medicina, Universidad Autónoma de Yucatán, Mexico
| | - Claudia I Muñoz-García
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Unidad Xochimilco, Ciudad de México, Mexico
| | - Emilio Rendón-Franco
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Unidad Xochimilco, Ciudad de México, Mexico
| | - Melina M Ojeda-Chi
- Campus de Ciencias Biológicas y Agropecuarias, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Mérida, Yucatán, Mexico
| | - Roger I Rodríguez-Vivas
- Campus de Ciencias Biológicas y Agropecuarias, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Mérida, Yucatán, Mexico
| | - Jorge Zavala-Castro
- Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán, Yucatán, Mexico
| | - Karla Dzul-Rosado
- Laboratorio de Enfermedades Emergentes y Reemergentes, Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán, Yucatán, Mexico
| | - César Lugo-Caballero
- Laboratorio de Enfermedades Emergentes y Reemergentes, Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán, Yucatán, Mexico
| | | | - Jesús Delgado-de la Mora
- Departamento de Anatomía Patológica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, Mexico
| | - Jesús D Licona-Enríquez
- Unidad Médica de Alta Especialidad Hospital de Pediatría, Centro Médico Nacional Siglo XXI, Ciudad de México, Mexico
| | - David Delgado-de la Mora
- Departamento de Patología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Andrés M López-Pérez
- School of Veterinary Medicine, Department of Medicine and Epidemiology, University of California, Davis, CA, United States; Laboratorio de Ecología de Enfermedades y una Salud. Departamento de Etología, Fauna Silvestre y Animales de Laboratorio, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | | | - Luis Tinoco-Gracia
- Laboratorio de Salud Pública Veterinaria, Instituto de Investigaciones en Ciencias Veterinarias, Universidad Autónoma de Baja California, Baja California, Mexico
| | | | | | - Selene Blum-Domínguez
- Laboratorio de Enfermedades Tropicales, Centro de Investigaciones Biomédicas de la Universidad Autónoma de Campeche, Campeche, Mexico
| | - Paulino Tamay-Segovia
- Laboratorio de Enfermedades Transmitidas por Vectores y Zoonosis, Centro de Investigaciones Biomédicas de la Universidad Autónoma de Campeche, Campeche, Mexico
| | - Gabriela Aguilar-Tipacamú
- C. A. Salud Animal y Microbiología Ambiental, Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Querétaro, Mexico
| | - Anabel Cruz-Romero
- Facultad de Medicina Veterinaria y Zootecnia, Rancho Torreón del Molino, Universidad Veracruzana, Veracruz, Mexico
| | - Dora Romero-Salas
- Facultad de Medicina Veterinaria y Zootecnia, Rancho Torreón del Molino, Universidad Veracruzana, Veracruz, Mexico
| | | | - Ingeborg Becker
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
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7
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Salceda-Sánchez B, Sánchez-Montes S, Soto-Gutiérrez JJ, Sandoval-Espinosa MR. A case of gynandromorphism in Rhipicephalus sanguineus s.l. from Mexico. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 82:405-409. [PMID: 32979123 DOI: 10.1007/s10493-020-00549-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 09/18/2020] [Indexed: 06/11/2023]
Abstract
We report the presence of a brown dog tick (Rhipicephalus sanguineus s.l.) gynandromorph collected inside a house in the state of Guanajuato, Mexico. This work provides the first report of gynandromorphism in a tick from Mexico, and represents the third report of this condition in R. sanguineus s.l. in the world.
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Affiliation(s)
- Beatriz Salceda-Sánchez
- Laboratorio de Entomología, Instituto de Diagnóstico y Referencia Epidemiológicos (InDRE), Francisco de P. Miranda #177, Col. Unidad Lomas de Plateros, Del. Álvaro Obregón, 01480, Mexico City, Mexico.
| | - Sokani Sánchez-Montes
- Facultad de Ciencias Biológicas y Agropecuarias, región Tuxpan, Universidad Veracruzana, Carretera Tuxpan Tampico Kilómetro 7.5, Universitaria, 92870, Tuxpan, Veracruz, Mexico.
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico.
| | - Juan J Soto-Gutiérrez
- Laboratorio de Entomología, Instituto de Diagnóstico y Referencia Epidemiológicos (InDRE), Francisco de P. Miranda #177, Col. Unidad Lomas de Plateros, Del. Álvaro Obregón, 01480, Mexico City, Mexico
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8
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Bermúdez C S, Zaldívar Y, Domínguez A L, Hernández M, de Antinori MEB, Krawczak FS. Rickettsia amblyommatis isolated from Amblyomma mixtum (Acari: Ixodida) from two sites in Panama. Ticks Tick Borne Dis 2020; 12:101597. [PMID: 33099170 DOI: 10.1016/j.ttbdis.2020.101597] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 10/12/2020] [Accepted: 10/13/2020] [Indexed: 01/25/2023]
Abstract
Rickettsia amblyommatis is widely distributed in the Americas, and has been reported to infect different species of ticks within its distribution. In Panama, R. amblyommatis is the most common Rickettsia and its presence was molecularly detected in nine species of ticks and one flea species. This work described the isolation of R. amblyommatis in Vero cells by shell vial technique, from Amblyomma mixtum ticks collected from a captive tapir from Gamboa (Colon province), and a horse from El Valle de Antón (Cocle province). These represent the first isolations of R. amblyommatis in Panama.
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Affiliation(s)
- Sergio Bermúdez C
- Departamento de Investigación en Entomología Médica, Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama; Estación Científica Coiba, Coiba AIP, Panama.
| | - Yamitzel Zaldívar
- Departamento de Investigación y Riesgo Biológico 3, Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama
| | - Lillian Domínguez A
- Departamento de Investigación en Entomología Médica, Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama
| | - Michelle Hernández
- Departamento de Investigación y Riesgo Biológico 3, Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama
| | | | - Felipe S Krawczak
- Setor de Medicina Veterinária Preventiva, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Brazil.
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9
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Guzmán-Cornejo C, Herrera-Mares A, Ugalde-Medina A, López-Pérez AM, Del Castillo-Martínez L, Acosta-Gutiérrez R, Cabrera-Garrido M, Morales-Malacara JB. Arthropods Associated with Mammals. Their Importance as Part of the Richness in a Biosphere Reserve in Mexico. JOURNAL OF MEDICAL ENTOMOLOGY 2020; 57:780-787. [PMID: 31880772 DOI: 10.1093/jme/tjz237] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Indexed: 06/10/2023]
Abstract
The Chamela Biological Station (ChBS) is located in the Pacific Coast of Mexico in the State of Jalisco. This represents one of the core areas of the Chamela-Cuixmala Biosphere Reserve, characterized by one of the most threatened ecosystems, the tropical dry forest. Although accumulated knowledge of biological diversity, only few studies have been focused on ectoparasites or ectodytes associated with mammals, only 23 arthropod taxa had been recorded. In order to increase knowledge about arthropods associated with Mexican mammals, the objective of this work was to record the richness of arthropods (mites, ticks, lice, and fleas) associated with small and medium-sized mammals in the ChBS. A total of 81 hosts belonging to four orders, six families and nine species were captured. From these hosts, 4,946 arthropods were recovered: 4,007 mites, 673 ticks, 230 lice, and 36 fleas. Among medium-sized mammals, Nasua narica (L.) and Didelphis virginiana Kerr showed the highest levels of richness, with six arthropod taxa; among rodents, Heteromys pictus (Thomas) had the highest number of associated species (five). Within the 22 arthropod taxa registered in the present work, 12 represent new records for the reserve, and 3 represent new records for Mexico. With this study, the arthropod fauna associated with mammals in the ChBS has been raised to 38 taxa. In terms of biological conservation, knowledge of the species that inhabit natural reserves must be a priority, since this represents the baseline for species protected, not only in Mexico but around the world.
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Affiliation(s)
- Carmen Guzmán-Cornejo
- Laboratorio de Acarología, Departamento de Biología Comparada; Facultad de Ciencias, Universidad Nacional Autónoma de México, Avenida Universidad, Ciudad Universitaria, Ciudad de México, México
| | - Angel Herrera-Mares
- Laboratorio de Acarología, Departamento de Biología Comparada; Facultad de Ciencias, Universidad Nacional Autónoma de México, Avenida Universidad, Ciudad Universitaria, Ciudad de México, México
| | - Ana Ugalde-Medina
- Laboratorio de Acarología, Departamento de Biología Comparada; Facultad de Ciencias, Universidad Nacional Autónoma de México, Avenida Universidad, Ciudad Universitaria, Ciudad de México, México
| | - Andrés M López-Pérez
- Laboratorio de Ecología de Enfermedades y una Salud, Departamento de Etología, Fauna Silvestre y Animales de Laboratorio, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Avenida Universidad, Ciudad Universitaria, Ciudad de México, México
| | - Laura Del Castillo-Martínez
- Laboratorio de Acarología, Departamento de Biología Comparada; Facultad de Ciencias, Universidad Nacional Autónoma de México, Avenida Universidad, Ciudad Universitaria, Ciudad de México, México
| | - Roxana Acosta-Gutiérrez
- Museo de Zoología "Alfonso L. Herrera", Departamento de Biología Evolutiva; Facultad de Ciencias, Universidad Nacional Autónoma de México, Avenida Universidad, Ciudad Universitaria, Ciudad de México, México
| | - Martín Cabrera-Garrido
- Museo de Zoología "Alfonso L. Herrera", Departamento de Biología Evolutiva; Facultad de Ciencias, Universidad Nacional Autónoma de México, Avenida Universidad, Ciudad Universitaria, Ciudad de México, México
| | - Juan B Morales-Malacara
- Laboratorio de Espeleobiología y Acarología, Unidad Multidisciplinaria de Docencia e Investigación, Facultad de Ciencias, Universidad Nacional Autónoma de México, Campus Juriquilla. Boulevard Juriquilla, Querétaro, Querétaro, México
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10
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Novel PCR exclusion assay to detect spotted fever group rickettsiae in the lone star tick (Amblyomma americanum). Ticks Tick Borne Dis 2020; 11:101453. [PMID: 32439385 DOI: 10.1016/j.ttbdis.2020.101453] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 04/10/2020] [Accepted: 04/19/2020] [Indexed: 01/22/2023]
Abstract
The lone star tick (Amblyomma americanum) is the most common and abundant human-biting tick in the southeastern United States where spotted fever rickettsioses frequently occur. However, the role of this tick in transmitting and maintaining pathogenic and non-pathogenic spotted fever group rickettsiae (SFGR) remains poorly defined. This is partially due to the high prevalence and abundance of Rickettsia amblyommatis in most populations of A. americanum. Many molecular assays commonly employed to detect rickettsiae use PCR primers that target highly conserved regions in the SFGR so low abundance rickettsia may not be detected when R. amblyommatis is present. It is costly and inefficient to test for low abundance rickettsial agents with multiple individual specific assays even when they are multiplexed, as most samples will be negative. Real time PCR assays may also be hampered by inadequate limits of detection (LODs) for low abundance agents. We exploited the absence of an otherwise relatively SFGR-conserved genome region in R. amblyommatis to design a hemi-nested PCR-assay which has a sensitivity of 10 copies in detecting the presence of most SFGR, but not R. amblyommatis in DNA of infected lone star ticks. This deletion is conserved in 21 isolates of R. amblyommatis obtained from multiple states. We demonstrated the assay's utility by detecting a pathogenic SFGR, Rickettsia parkeri, in 15/50 (30 %) of field collected A. americanum ticks that were previously screened with conventional assays and found to be positive for R. amblyommatis. These co-infected ticks included 1 questing female, 6 questing nymphs, and 8 attached males. The high prevalence of R. parkeri among host-attached ticks may be due to several variables and does not necessarily reflect the risk of disease transmission from attached ticks to vertebrate hosts. This novel assay can provide accurate estimates of the prevalence of less common SFGR in A. americanum and thus improve our understanding of the role of this tick in the maintenance and transmission of the SFGR commonly responsible for human rickettsioses.
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11
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Merino O, De la Cruz NI, Martinez J, de León AAP, Romero-Salas D, Esteve-Gassent MD, Lagunes-Quintanilla R. Molecular detection of Rickettsia species in ticks collected in the Mexico-USA transboundary region. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 80:559-567. [PMID: 32249393 DOI: 10.1007/s10493-020-00483-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 03/20/2020] [Indexed: 06/11/2023]
Abstract
Zoonotic tick-borne diseases, including those caused by Rickettsia species, continue to have serious consequences for public health worldwide. One such disease that has emerged as a major problem in several countries of the American continent is the Rocky Mountain Spotted Fever (RMSF) caused by the bacterium Rickettsia rickettsii. Several tick species are capable of transmitting R. rickettsia, including Amblyomma cajennense, A. aureolatum, A. imitator, Rhipicephalus sanguineus, Dermacentor andersoni, D. variabilis and possibly A. americanum. Despite previous reports in Mexico linking new outbreaks of RMSF to the presence of these tick species, no robust measures have tackled transmission. In the present study, we amplified R. rickettsii from 109 test DNA samples extracted from ticks collected from several animals and humans of Tamaulipas, Mexico, between November 2015 and December 2017. Our analysis revealed the presence of R. rickettsii in six samples and these findings contribute to a spatial distribution map that is intended to minimize the risk of transmission to humans.
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Affiliation(s)
- O Merino
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Tamaulipas, Km. 5 Carretera Victoria-Mante, CP 87000, Ciudad Victoria, TAMPS, Mexico.
| | - N I De la Cruz
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Tamaulipas, Km. 5 Carretera Victoria-Mante, CP 87000, Ciudad Victoria, TAMPS, Mexico
| | - J Martinez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Tamaulipas, Km. 5 Carretera Victoria-Mante, CP 87000, Ciudad Victoria, TAMPS, Mexico
| | - A A Pérez de León
- USDA-ARS Knipling-Bushland U.S. Livestock Insects Research Laboratory and Veterinary Pest Genomics Center, Kerrville, TX, 78028, USA
| | - D Romero-Salas
- Laboratorio de Parasitología. UD PZTM. Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Veracruz, Mexico
| | - M D Esteve-Gassent
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - R Lagunes-Quintanilla
- Centro Nacional de Investigación Disciplinaria en Parasitología Veterinaria, INIFAP. AP 2016, Civac, CP 62550, Jiutepec, MOR, Mexico
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12
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Sebastian PS, Tarragona EL, Saracho Bottero MN, Nava S. Phylogenetic divergence between Rickettsia amblyommatis strains from Argentina. Comp Immunol Microbiol Infect Dis 2020; 69:101418. [DOI: 10.1016/j.cimid.2020.101418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/03/2020] [Accepted: 01/06/2020] [Indexed: 10/25/2022]
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13
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Guzmán-Cornejo C, Sánchez-Montes S, Caso A, Rendón-Franco E, Muñoz-García CI. Molecular detection of Rickettsia rickettsii in ticks associated with the bobcat (Lynx rufus) in northeast Mexico. Ticks Tick Borne Dis 2019; 10:1105-1108. [PMID: 31201126 DOI: 10.1016/j.ttbdis.2019.06.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 05/18/2019] [Accepted: 06/09/2019] [Indexed: 11/19/2022]
Abstract
The study of rickettsial agents associated with ticks from wild felines is scarce. In Europe, three species of Rickettsia have been detected (Rickettsia helvetica, Rickettsia massiliae, and Rickettsia monacensis) in ticks collected from the Iberian lynx (Lynx pardinus). However, no studies have been conducted on another lynx species. For this reason, the aim of this study was to identify the diversity of Rickettsia species in ticks associated with bobcats (Lynx rufus) collected in the State of Tamaulipas, Mexico. During 1999 and 2004, nine bobcats from two municipalities of the state were trapped and visually inspected for the presence of ticks. A total of 95 ticks were collected from these lynxes. Ticks were preserved in 96% ethanol. Subsequently we identified the presence of Rickettsia DNA by the amplification of several fragments of genes 17 kDa, ompA and ompB. Recovered sequences were concatenated, aligned, and compared with those of reference deposited in GenBank. Additionally, a phylogenetic analysis was performed using the Maximum Likelihood method. The ticks were morphologically identified as belonging to the species Dermacentor variabilis. We selected a subset of 60 ticks which were examined, and 5% (3/60) were positive with an identity of 99% to sequences of R. rickettsii deposited in GenBank. The results obtained represent the first record of R. rickettsii in ticks associated with wild carnivores, and in particular with bobcats distributed in northeast of Mexico.
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Affiliation(s)
- Carmen Guzmán-Cornejo
- Laboratorio de Acarología, Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Sokani Sánchez-Montes
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
| | - Arturo Caso
- Secretaría de Medio Ambiente y Recursos Naturales, Ciudad de México, Mexico
| | - Emilio Rendón-Franco
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Unidad Xochimilco, Ciudad de México, Mexico
| | - Claudia I Muñoz-García
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Unidad Xochimilco, Ciudad de México, Mexico
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14
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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] [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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15
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Sánchez-Montes S, Isaak-Delgado AB, Guzmán-Cornejo C, Rendón-Franco E, Muñoz-García CI, Bermúdez S, Morales-Diaz J, Cruz-Romero A, Romero-Salas D, Dzul-Rosado K, Lugo-Caballero C, Colunga-Salas P, Becker I. Rickettsia species in ticks that parasitize amphibians and reptiles: Novel report from Mexico and review of the worldwide record. Ticks Tick Borne Dis 2019; 10:987-994. [PMID: 31126748 DOI: 10.1016/j.ttbdis.2019.04.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 04/15/2019] [Accepted: 04/16/2019] [Indexed: 11/19/2022]
Abstract
Ticks are obligate haematophagous ectoparasites that are associated with a wide range of vertebrate hosts, among them also reptiles and amphibians. They have dynamic ecological interactions with multiple microorganisms, ranging from endosymbionts to pathogens, such as the members of the genus Rickettsia. The aim of this work was to detect Rickettsia in ticks from amphibians and reptiles from southern Mexico by the amplification, sequencing and phylogenetic reconstruction of the gltA and ompA genes, and also to compile all the published records worldwide of Rickettsia associated with ticks attached to reptiles and amphibians, in order to elucidate the host-parasite relationships, and to identify the geographical distribution of each bacterial species. We record for the first time the presence of Rickettsia sp. strain Colombianensi and Rickettsia amblyommatis in ticks from several reptiles and amphibians collected in three new localities from the states of Guerrero and Veracruz, Mexico. Additionally, we here report 23 Rickettsia taxa associated with 18 tick species attached to 42 host taxa of amphibians and reptiles in 36 countries. Our findings increase the inventory of rickettsia reported in Mexico and summarizes the knowledge of these bacteria associated with ticks of this particular group of vertebrate host worldwide.
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Affiliation(s)
- Sokani Sánchez-Montes
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Ana Belem Isaak-Delgado
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Carmen Guzmán-Cornejo
- Laboratorio de Acarología, Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Emilio Rendón-Franco
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Unidad Xochimilco, Ciudad de México, Mexico
| | - Claudia I Muñoz-García
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Unidad Xochimilco, Ciudad de México, Mexico
| | - Sergio Bermúdez
- Departamento de Investigación en Entomología Médica, Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama
| | - Jorge Morales-Diaz
- Facultad de Medicina Veterinaria y Zootecnia, Región Veracruz. Universidad Veracruzana, Mexico
| | - Anabel Cruz-Romero
- Facultad de Medicina Veterinaria y Zootecnia, Región Veracruz. Universidad Veracruzana, Mexico
| | - Dora Romero-Salas
- Facultad de Medicina Veterinaria y Zootecnia, Región Veracruz. Universidad Veracruzana, Mexico
| | - Karla Dzul-Rosado
- Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán, Yucatán, Mexico
| | - César Lugo-Caballero
- Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán, Yucatán, Mexico
| | - Pablo Colunga-Salas
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Ingeborg Becker
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
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16
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Aguilar-Domínguez M, Sánchez-Montes S, Esteve-Gassent MD, Barrientos-Salcedo C, Pérez de León A, Romero-Salas D. Genetic structure analysis of Amblyomma mixtum populations in Veracruz State, Mexico. Ticks Tick Borne Dis 2018; 10:86-92. [PMID: 30228080 DOI: 10.1016/j.ttbdis.2018.09.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 08/27/2018] [Accepted: 09/10/2018] [Indexed: 11/20/2022]
Abstract
Amblyomma mixtum Koch, 1844 parasitizes livestock, humans, and wildlife in Mexico. However, information on population genetics for this tick species in the country is missing. Tick samples were collected from livestock in ten regions across the state of Veracruz (22°28'N, 17°09'S, 93°36'E, 98°39'W) to analyze the genetic structure of A. mixtum populations. Ticks were morphologically identified using taxonomic keys. In order to test the intra-specific variability of A. mixtum fragments of the mitochondrial gene 16S-rRNA and cytochrome oxidase subunit 1 (COI) were amplified. Ninety-six sequences were amplified from the 50 specimens' analyzed (96% amplification success). Eleven haplotypes were detected in 16S-rRNA gene and 10 more for COI. Neutrality tests showed negative results in most of the locations analyzed, which is indicative of an excess of recently derived haplotypes. However, these results were not statistically significant. Minimal union network analysis revealed that there is no separation of populations by geography, and that there is an overlap of several haplotypes among diverse populations. Significant genetic differentiation was not detected in the A. mixtum populations sampled in the state of Veracruz, Mexico, this may be due to the frequent movement of livestock hosts. This is the first report on the genetic structure of A. mixtum populations in Mexico.
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Affiliation(s)
- Mariel Aguilar-Domínguez
- Laboratorio de Parasitología, Posta Zootécnica Torreón del Molino, Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Veracruz, Mexico
| | - Sokani Sánchez-Montes
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | | | - Adalberto Pérez de León
- USDA-ARS Knipling-Bushland U.S. Livestock Insects Research Laboratory and Veterinary Pest Genomics Center, Kerrville, TX, USA
| | - Dora Romero-Salas
- Laboratorio de Parasitología, Posta Zootécnica Torreón del Molino, Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Veracruz, Mexico.
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17
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Springer A, Montenegro VM, Schicht S, Wölfel S, Schaper SR, Chitimia-Dobler L, Siebert S, Strube C. Detection of Rickettsia monacensis and Rickettsia amblyommatis in ticks collected from dogs in Costa Rica and Nicaragua. Ticks Tick Borne Dis 2018; 9:1565-1572. [PMID: 30098931 DOI: 10.1016/j.ttbdis.2018.08.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 08/02/2018] [Accepted: 08/04/2018] [Indexed: 10/28/2022]
Abstract
The neotropical climate of Central America provides ideal conditions for ticks, which may transmit several human pathogens, including spotted-fever group Rickettsia. Dogs may act as sentinels or reservoirs for human tick-borne diseases due to shared tick species. Here, ticks were collected from 680 client-owned dogs in Nicaragua and Costa Rica, and a total of 316 tick pools were investigated for Rickettsia infection by quantitative real-time PCR (qPCR) targeting the gltA gene. Subsequently, up to six further genomic targets (16S rDNA, gltA, sca4, ompA, ompB and the 23S-5S intergenic spacer) were investigated for Rickettsia species determination. The predominant tick species was Rhipicephalus sanguineus sensu lato (s.l.) (19.9% of dogs infested in Costa Rica, 48.0% in Nicaragua), followed by Ixodes boliviensis (3.1% in Costa Rica / none in Nicaragua) and Amblyomma ovale (4.8% in Costa Rica, 0.9% in Nicaragua). In total, 22 of 316 tick pools containing 60 of 1023 individual ticks were Rickettsia-positive as determined by qPCR, resulting in a minimum infection rate (MIR) of 2.2%. In detail, MIR in Rh. sanguineus s.l. was 0.7% (7/281 pools), in I. boliviensis 33.3% (12/13 pools) and in A. ovale 9.7% (3/22 pools). For 11 of 12 positive I. boliviensis pools and one of six positive Rh. sanguineus s.l. pools, the species could be determined as R. monacensis. R. amblyommatis was identified in one Rh. sanguineus s.l. pool from Costa Rica and one A. ovale pool from Nicaragua. Nine of 12 R. monacensis-positive tick pools were collected in San Rafael de Heredia, Costa Rica, indicating a high local occurrence in this area. This study supports recent evidence that R. monacensis is present on the American continent. Its high local occurrence among dog-associated I. boliviensis, which may also parasitize humans, in Costa Rica gives cause for concern, as R. monacensis is also pathogenic to humans.
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Affiliation(s)
- Andrea Springer
- Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany
| | - Víctor M Montenegro
- Laboratorio de Parasitología, Escuela de Medicina Veterinaria, Universidad Nacional, Campus Benjamín Núñez, Heredia, Costa Rica
| | - Sabine Schicht
- Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany
| | - Silke Wölfel
- Bundeswehr Institute of Microbiology, Neuherbergstrasse 11, D80937 Munich, Germany; Center of Infection Research (DZIF) Partner, Munich, Germany
| | - Sabine R Schaper
- Bundeswehr Institute of Microbiology, Neuherbergstrasse 11, D80937 Munich, Germany
| | - Lidia Chitimia-Dobler
- Bundeswehr Institute of Microbiology, Neuherbergstrasse 11, D80937 Munich, Germany; Center of Infection Research (DZIF) Partner, Munich, Germany
| | - Susanne Siebert
- Bayer Animal Health GmbH, Global Marketing CAP, MON/6210, 51373 Leverkusen, Germany
| | - Christina Strube
- Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559 Hanover, Germany.
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18
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Presence of Rickettsia Species in a Marginalized Area of Yucatan, Mexico. J Trop Med 2018; 2018:7675828. [PMID: 29973957 PMCID: PMC6008815 DOI: 10.1155/2018/7675828] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 03/09/2018] [Accepted: 04/15/2018] [Indexed: 11/18/2022] Open
Abstract
In the state of Yucatan, Mexico, rickettsiosis has become a common vector-borne disease in the general population. Ectoparasite species such as Rhipicephalus sanguineus and Amblyomma mixtum have been identified as Rickettsia vectors in Yucatan by studies focused on the wild animal population in rural areas. There have been studies that have tried to determine the presence of Rickettsia species in ectoparasites collected in Yucatan, but these studies did not include marginalized areas, where living in close contact with domestic and peridomestic animals that carry ectoparasites is a high-risk factor for acquiring rickettsial infection or many other vector-borne diseases. We evaluated the vector diversity and the presence of Rickettsia species presence in the ectoparasite population that parasitizes domestic animals in a marginalized rural town of Yucatan, Mexico; we also evaluated the seroprevalence of rickettsial antibodies in the human population of this town in order to determine the prevalence of rickettsial infection. A total of 437 ectoparasites were collected from the study area. The tick specimens collected belonged to the species Rhipicephalus sanguineus (n=380, 49 positive), Amblyomma mixtum (n=3, 0 positive), Ixodes affinis (n=4, 0 positive), Ctenocephalides felis (n=33, 0 positive), and Trichodectes canis (n=17, 0 positive). Conventional polymerase chain reaction and sequencing were used to identify the DNA of Rickettsia. Six out of 354 (1.8%) serum samples were positive for antibody to R. typhi. The combination of low antibody titers and the presence of Rickettsia species infecting ectoparasite species found in the study area requires eco-epidemiological studies and the identification of potentially protective practices or habits.
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19
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Aguirre AAR, Garcia MV, Costa IND, Csordas BG, Rodrigues VDS, Medeiros JF, Andreotti R. New records of tick-associated spotted fever group Rickettsia in an Amazon-Savannah ecotone, Brazil. Ticks Tick Borne Dis 2018; 9:1038-1044. [PMID: 29625922 DOI: 10.1016/j.ttbdis.2018.03.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 03/11/2018] [Accepted: 03/12/2018] [Indexed: 11/18/2022]
Abstract
Human rickettsiosis has been recorded in the Amazon Biome. However, the epidemiological cycle of causative rickettsiae has not been fully accounted for in the Amazon region. This study investigates the presence of spotted fever group (SFG) Rickettsia spp. in free-living unfed ticks of the Amblyomma genus. The study was conducted in seven municipalities in Rondonia State, Brazil, where the main biomes are Amazon forest, Brazilian Savannah and their ecotones (areas of ecological tension between open ombrophilous forest and savannah). The following tick species were collected: Amblyomma cajennense (sensu lato) s.l., A. cajennense (sensu stricto) s.s., A. coelebs, A. naponense, A. oblongoguttatum, A. romitii, A. scalpturatum and A. sculptum. A total of 167 adults, 248 nymphs and 1004 larvae were subjected to DNA extraction and polymerase chain reaction (PCR) to determine the presence of SFG Rickettsia spp. PCR-positive samples included: one A. cajennense s.s. female and one A. cajennense s.l. male from a rural area in Vilhena Municipality; 10 nymphs and a sample of larvae of A. cajennense s.l. from a peri-urban area in Cacoal Municipality; and an A. oblongoguttatum adult male from a rural area of Pimenta Bueno Municipality. All sequences obtained exhibited 100% identity with Rickettsia amblyommatis sequences. This is the first confirmation of SFG Rickettsia in an A. oblongoguttatum tick. Furthermore, this is the first record of SFG Rickettsia in the municipalities targeted by this study. These results warn that SFG Rickettsia circulation poses a threat in Rondonia State (among Amazon-Savannah ecotones), and that this threat is increased by the fact that SFG Rickettsia infect a human-biting tick species hitherto unconfirmed as a vector.
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Affiliation(s)
- A A R Aguirre
- Plataforma de Criação e Experimentação Animal, Fiocruz Rondônia, Oswaldo Cruz Foundation, n° 7671, Bairro Lagoa, Porto Velho, RO, CEP 76812-245, Brazil; Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Universidade Federal de Mato Grosso do Sul, Av. Costa e Silva, Bairro Universitário, Campo Grande, MS, CEP 79070-900, Brazil.
| | - Marcos Valério Garcia
- Laboratórios de Biologia Molecular e do Carrapato, Brazilian Agricultural Research Corporation, Av. Rádio Maia, n° 830, Zona Rural, Campo Grande, MS, CEP 79106-550, Brazil
| | - Ivaneide Nunes da Costa
- Laboratório de Entomologia Médica, Fiocruz Rondônia, Oswaldo Cruz Foundation, Rua da Beira, n° 7671, Bairro Lagoa, Porto Velho, RO, CEP 76812-245, Brazil; Programa de Pós-Graduação em Biologia Experimental, Universidade Federal de Rondônia, Rodovia BR 364, Km 9,5, Porto Velho, RO, CEP 76801-059, Brazil
| | - Bárbara Guimarães Csordas
- Laboratórios de Biologia Molecular e do Carrapato, Brazilian Agricultural Research Corporation, Av. Rádio Maia, n° 830, Zona Rural, Campo Grande, MS, CEP 79106-550, Brazil; Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Universidade Federal de Mato Grosso do Sul, Av. Costa e Silva, Bairro Universitário, Campo Grande, MS, CEP 79070-900, Brazil
| | - Vinícius da Silva Rodrigues
- Laboratórios de Biologia Molecular e do Carrapato, Brazilian Agricultural Research Corporation, Av. Rádio Maia, n° 830, Zona Rural, Campo Grande, MS, CEP 79106-550, Brazil
| | - Jansen Fernandes Medeiros
- Laboratório de Entomologia Médica, Fiocruz Rondônia, Oswaldo Cruz Foundation, Rua da Beira, n° 7671, Bairro Lagoa, Porto Velho, RO, CEP 76812-245, Brazil
| | - Renato Andreotti
- Laboratórios de Biologia Molecular e do Carrapato, Brazilian Agricultural Research Corporation, Av. Rádio Maia, n° 830, Zona Rural, Campo Grande, MS, CEP 79106-550, Brazil
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20
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Suspected and Confirmed Vector-Borne Rickettsioses of North America Associated with Human Diseases. Trop Med Infect Dis 2018; 3:tropicalmed3010002. [PMID: 30274401 PMCID: PMC6136625 DOI: 10.3390/tropicalmed3010002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 12/18/2017] [Accepted: 12/19/2017] [Indexed: 11/27/2022] Open
Abstract
The identification of pathogenic rickettsial agents has expanded over the last two decades. In North America, the majority of human cases are caused by tick-borne rickettsioses but rickettsiae transmitted by lice, fleas, mites and other arthropods are also responsible for clinical disease. Symptoms are generally nonspecific or mimic other infectious diseases; therefore, diagnosis and treatment may be delayed. While infection with most rickettsioses is relatively mild, delayed diagnosis and treatment may lead to increased morbidity and mortality. This review will discuss the ecology, epidemiology and public health importance of suspected and confirmed vector-transmitted Rickettsia species of North America associated with human diseases.
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Santibáñez S, Portillo A, Palomar AM, Oteo JA. Isolation of Rickettsia amblyommatis in HUVEC line. New Microbes New Infect 2017; 21:117-121. [PMID: 29321939 PMCID: PMC5756052 DOI: 10.1016/j.nmni.2017.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 12/05/2017] [Indexed: 11/16/2022] Open
Abstract
Rickettsia amblyommatis, formerly named Rickettsia amblyommii and ‘Candidatus Rickettsia amblyommii’ is an intracellular bacterium belonging to the spotted fever group Rickettsia. It is highly prevalent in Amblyomma americanum and in other Amblyomma spp. throughout the Western Hemisphere. R. amblyommatis has been cultivated in chicken fibroblast, primary embryonated chicken eggs, Vero cells and arthropod-derived cells. Because of the affinity of rickettsiae to invade vascular endothelial cells, we tried to isolate R. amblyommatis from a nymph of Amblyomma cajennense s.l. collected in Saltillo (Coahulia, Mexico) using human umbilical vein endothelial cells (HUVEC). One tick half was analysed by ompA PCR and was found to be positive for R. amblyommatis. The other half was selected for in vitro culture of Rickettsia spp. It was triturated in 1 mL of endothelial cell growth medium with 1% antibiotic–antimycotic solution, and the homogenate was inoculated into a HUVEC line. Culture was maintained at 33°C in endothelial cell growth medium plus 2 mM l-glutamine and 2% fetal calf serum, with 5% CO2. The medium was changed weekly. Culture was checked by Gimenez stain for Rickettsia-like intracellular organisms. After 48 days of incubation, Rickettsia-like organisms were observed in HUVEC. PCR assays and sequencing of ompA gene in the culture suspension showed 100% identity with R. amblyommatis. This isolate was successfully established in HUVEC, and it has been deposited in the collection of the Center of Rickettsioses and Arthropod-Borne Diseases, Infectious Diseases Department, Hospital San Pedro–Center of Biomedical Research from La Rioja, Logroño, Spain. The HUVEC line is a useful tool for the isolation of R. amblyommatis.
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Affiliation(s)
- S Santibáñez
- Center of Rickettsiosis and Arthropod-Borne Diseases, Infectious Diseases Department, Hospital San Pedro-Center of Biomedical Research from La Rioja (CIBIR), Logroño, La Rioja, Spain
| | - A Portillo
- Center of Rickettsiosis and Arthropod-Borne Diseases, Infectious Diseases Department, Hospital San Pedro-Center of Biomedical Research from La Rioja (CIBIR), Logroño, La Rioja, Spain
| | - A M Palomar
- Center of Rickettsiosis and Arthropod-Borne Diseases, Infectious Diseases Department, Hospital San Pedro-Center of Biomedical Research from La Rioja (CIBIR), Logroño, La Rioja, Spain
| | - J A Oteo
- Center of Rickettsiosis and Arthropod-Borne Diseases, Infectious Diseases Department, Hospital San Pedro-Center of Biomedical Research from La Rioja (CIBIR), Logroño, La Rioja, Spain
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Polsomboon S, Hoel DF, Murphy JR, Linton YM, Motoki M, Robbins RG, Bautista K, Bricen O I, Achee NL, Grieco JP, Ching WM, Chao CC. Molecular Detection and Identification of Rickettsia Species in Ticks (Acari: Ixodidae) Collected From Belize, Central America. JOURNAL OF MEDICAL ENTOMOLOGY 2017; 54:1718-1726. [PMID: 28981693 DOI: 10.1093/jme/tjx141] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Indexed: 06/07/2023]
Abstract
Little is known about tick-borne rickettsial pathogens in Belize, Central America. We tested ixodid ticks for the presence of Rickettsia species in three of the six northern and western Belizean districts. Ticks were collected from domestic animals and tick drags over vegetation in 23 different villages in November 2014, February 2015, and May 2015. A total of 2,506 collected ticks were identified to the following species: Dermacentor nitens Neumann (46.69%), Rhipicephalus sanguineus (Latreille) (19.55%), Rhipicephalus microplus (Canestrini) (19.47%), Amblyomma cajennense complex (9.74%), Amblyomma maculatum Koch (3.47%), Amblyomma ovale Koch (0.68%), Ixodes nr affinis (0.16%), Amblyomma nr maculatum (0.12%), and Amblyomma nr oblongoguttatum (0.12%). Ticks were pooled according to species, life stage (larva, nymph, or adult), and location (n = 509) for DNA extraction and screened for genus Rickettsia by quantitative real-time polymerase chain reaction (qPCR). All 42 positive pools were found to be positive for spotted fever group (SFG) Rickettsia in pools of A. cajennense complex (n = 33), A. maculatum (n = 4), A. nr maculatum (n = 1), A. ovale (n = 1), R. sanguineus (n = 1), and I. nr affinis (n = 2). Rickettsia amblyommatis was identified from A. cajennense complex and A. nr maculatum. Rickettsia parkeri was found in A. maculatum, and Rickettsia sp. endosymbiont was detected in I. nr affinis. The presence of infected ticks suggests a risk of tick-borne rickettsioses to humans and animals in Belize. This knowledge can contribute to an effective tick management and disease control program benefiting residents and travelers.
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Affiliation(s)
- Suppaluck Polsomboon
- Department of Preventive Medicine & Biostatistics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814
| | - David F Hoel
- Department of Preventive Medicine & Biostatistics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814
| | - Jittawadee R Murphy
- Department of Preventive Medicine & Biostatistics, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814
| | - Yvonne-Marie Linton
- Walter Reed Biosystematics Unit, Smithsonian Institution, Museum Support Center, MRC-534, Suitland, MD 20746
- Smithsonian Institution, Department of Entomology, National Museum of Natural History, 10th St. & Constitution Ave. NW, Washington, DC 20560
| | - Maysa Motoki
- Walter Reed Biosystematics Unit, Smithsonian Institution, Museum Support Center, MRC-534, Suitland, MD 20746
- Department of Entomology, Institut Pasteur du Laos, Sisattanak District, PO Box 3560, Vientiane, Laos, PDR
| | - Richard G Robbins
- Walter Reed Biosystematics Unit, Smithsonian Institution, Museum Support Center, MRC-534, Suitland, MD 20746
| | - Kim Bautista
- Ministry of Health, Vector Control Office, Orange Walk Town, Orange Walk, Belize
| | - Ireneo Bricen O
- Ministry of Health, Vector Control Office, Orange Walk Town, Orange Walk, Belize
- Belize Vector and Ecology Center (BVEC), Orange Walk Town, Orange Walk District, Belize
| | - Nicole L Achee
- Department of Biological Sciences, Eck Institute for Global Health, University of Notre Dame, 239 Galvin Life Science Center, Notre Dame, IN 46556
| | - John P Grieco
- Department of Biological Sciences, Eck Institute for Global Health, University of Notre Dame, 239 Galvin Life Science Center, Notre Dame, IN 46556
| | - Wei-Mei Ching
- Viral and Rickettsial Diseases Department, Infectious Disease Directorate, Naval Medical Research Center, Silver Spring, MD 20910
| | - Chien-Chung Chao
- Viral and Rickettsial Diseases Department, Infectious Disease Directorate, Naval Medical Research Center, Silver Spring, MD 20910
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Rocky Mountain spotted fever in Mexico: past, present, and future. THE LANCET. INFECTIOUS DISEASES 2017; 17:e189-e196. [PMID: 28365226 DOI: 10.1016/s1473-3099(17)30173-1] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 01/17/2017] [Accepted: 02/01/2017] [Indexed: 11/22/2022]
Abstract
Rocky Mountain spotted fever, a tick-borne zoonosis caused by Rickettsia rickettsii, is among the most lethal of all infectious diseases in the Americas. In Mexico, the disease was first described during the early 1940s by scientists who carefully documented specific environmental determinants responsible for devastating outbreaks in several communities in the states of Sinaloa, Sonora, Durango, and Coahuila. These investigators also described the pivotal roles of domesticated dogs and Rhipicephalus sanguineus sensu lato (brown dog ticks) as drivers of epidemic levels of Rocky Mountain spotted fever. After several decades of quiescence, the disease re-emerged in Sonora and Baja California during the early 21st century, driven by the same environmental circumstances that perpetuated outbreaks in Mexico during the 1940s. This Review explores the history of Rocky Mountain spotted fever in Mexico, current epidemiology, and the multiple clinical, economic, and social challenges that must be considered in the control and prevention of this life-threatening illness.
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