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Sánchez-Soto MF, Gaona O, Vigueras-Galván AL, Suzán G, Falcón LI, Vázquez-Domínguez E. Prevalence and transmission of the most relevant zoonotic and vector-borne pathogens in the Yucatan peninsula: A review. PLoS Negl Trop Dis 2024; 18:e0012286. [PMID: 38959260 PMCID: PMC11251636 DOI: 10.1371/journal.pntd.0012286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 07/16/2024] [Accepted: 06/11/2024] [Indexed: 07/05/2024] Open
Abstract
BACKGROUND Habitat modification and land use changes impact ecological interactions and alter the relationships between humans and nature. Mexico has experienced significant landscape modifications at the local and regional scales, with negative effects on forest cover and biological biodiversity, especially in the Yucatan peninsula in southeastern Mexico. Given the close relationship between landscape modification and the transmission of zoonotic and vector-borne diseases, it is essential to develop criteria for identifying priority zoonoses in the south of the country. METHODOLOGY/PRINCIPAL FINDINGS We reviewed 165 published studies on zoonotic and vector-borne diseases in the region (2015-2024). We identified the most frequent vectors, reservoirs, and hosts, the most prevalent infections, and the factors associated with transmission risk and the anthropogenic landscape modification in urban, rural, ecotone, and sylvatic habitats. The most relevant pathogens of zoonotic risk included Trypanosoma cruzi, arboviruses, Leishmania, Rickettsia, Leptospira, and Toxoplasma gondii. Trypanosoma cruzi was the vector-borne agent with the largest number of infected vertebrate species across habitats, while Leishmania and arboviruses were the ones that affected the greatest number of people. Dogs, cats, backyard animals, and their hematophagous ectoparasites are the most likely species maintaining the transmission cycles in human settlements, while rodents, opossums, bats, and other synanthropic animals facilitate connection and transmission cycles between forested habitats with human-modified landscapes. Pathogens displayed different prevalences between the landscapes, T. cruzi, arbovirus, and Leptospira infections were the most prevalent in urban and rural settlements, whereas Leishmania and Rickettsia had similar prevalence across habitats, likely due to the diversity and abundance of the infected vectors involved. The prevalence of T. gondii and Leptospira spp. may reflect poor hygiene conditions. Additionally, results suggest that prevalence of zoonotic and vector-borne diseases is higher in deforested areas and agricultural aggregates, and in sites with precarious health and infrastructure services. CONCLUSIONS Some hosts, vectors, and transmission trends of zoonotic and vector-borne diseases in the YP are well known but others remain poorly recognized. It is imperative to reinforce practices aimed at increasing the knowledge, monitoring, prevention, and control of these diseases at the regional level. We also emphasize the need to perform studies on a larger spatio-temporal scale under the socio-ecosystem perspective, to better elucidate the interactions between pathogens, hosts, vectors, environment, and sociocultural and economic aspects in this and many other tropical regions.
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Affiliation(s)
- Ma. Fernanda Sánchez-Soto
- Laboratorio de Ecología Bacteriana, Instituto de Ecología, Unidad Mérida, Universidad Nacional Autónoma de México, Yucatán, México
| | - Osiris Gaona
- Laboratorio de Ecología Bacteriana, Instituto de Ecología, Unidad Mérida, Universidad Nacional Autónoma de México, Yucatán, México
| | - Ana Laura Vigueras-Galván
- Laboratorio de Virología, Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, México
- International Joint Laboratory Ecosystem, biological diversity, habitat modifications, and risk of emerging pathogens and diseases in Mexico (ELDORADO), UNAM-IRD, Mérida, México
| | - Gerardo Suzán
- International Joint Laboratory Ecosystem, biological diversity, habitat modifications, and risk of emerging pathogens and diseases in Mexico (ELDORADO), UNAM-IRD, Mérida, México
- 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, México
| | - Luisa I. Falcón
- Laboratorio de Ecología Bacteriana, Instituto de Ecología, Unidad Mérida, Universidad Nacional Autónoma de México, Yucatán, México
| | - Ella Vázquez-Domínguez
- Laboratorio de Genética y Ecología, Departamento de Ecología de la Biodiversidad, Instituto de Ecología, Universidad Nacional Autónoma de México, Ciudad de México, México
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Vázquez-Guerrero E, Reyes-Solís GC, Cano-Ravell AE, Machain-Williams C, Leyva-Gastélum M, Estrada-de Los Santos P, Álvarez-Hernández G, Ibarra JA. Detection of Rickettsia amblyommatis and Rickettsia bellii in ticks collected from pet dogs in peri-urban and rural areas in Yucatan, Mexico. EXPERIMENTAL & APPLIED ACAROLOGY 2023:10.1007/s10493-023-00825-z. [PMID: 37498401 DOI: 10.1007/s10493-023-00825-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 07/11/2023] [Indexed: 07/28/2023]
Abstract
Rickettsia species are bacteria that may cause multiple diseases in animals and humans, via transmission through multiple arthropod vectors. Routine surveillance of Rickettsia spp. within vectors is critical to determine their presence and risk to mammalian hosts within human populations. Therefore, to better characterize the circulating Rickettsia species in an understudied region we targeted pet dogs to survey. Ticks were collected from pet dogs in three populations of the Yucatan where we tested for the presence of Rickettsia spp. by PCR in metagenomic DNA. In these ticks removed from pet dogs we detected Rickettsia amblyommatis and Rickettsia bellii in Amblyomma auriculatum, Amblyomma ovale and Amblyomma mixtum ticks obtained in a rural community in the Mexican state of Yucatan. This is the first report detecting both species for this state in Mexico, underpinning the importance of more routine surveillance.
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Affiliation(s)
- Edwin Vázquez-Guerrero
- Laboratorio de Genética Microbiana, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Guadalupe C Reyes-Solís
- Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, Mérida, Mexico.
| | - Alan E Cano-Ravell
- Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, Mérida, Mexico
| | - Carlos Machain-Williams
- Centro de Investigaciones Regionales Dr. Hideyo Noguchi, Universidad Autónoma de Yucatán, Mérida, Mexico
| | - Marcia Leyva-Gastélum
- Departamento de Medicina y Ciencias de la Salud, Universidad de Sonora, Sonora, Mexico
| | - Paulina Estrada-de Los Santos
- Laboratorio de Genética Microbiana, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Mexico
| | | | - J Antonio Ibarra
- Laboratorio de Genética Microbiana, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Mexico.
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New Insights into the Taxonomy of Malacopsylloidea Superfamily (Siphonaptera) Based on Morphological, Molecular and Phylogenetic Characterization of Phthiropsylla agenoris (Malacopsyllidae) and Polygenis (Polygenis) rimatus (Rhopalopsyllidae). DIVERSITY 2023. [DOI: 10.3390/d15020308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
From a phylogenetic point of view, the Malacopsyllidae family and the Rhopalopsillidae family (comprising Parapsyllinae and Rhopalopsyllinae subfamilies) have been traditionally classified within the Malacopsylloidea superfamily, mostly restricted to South America. The phylogenetic relationships and taxonomic status of Malacopsyllidae and Rhopalopsillidae have never been assessed since no molecular loci of Malacopsyllidae have been sequenced by any authors, and the phylogeny provided so far was not based on any sort of formal quantitative analysis of flea morphology. Based on these precedents, the objective of this study was to carry out a comparative phylogenetic, molecular and morphological study of two different species belonging to each family, Phthiropsylla agenoris (Malacopsylla) and Polygenis (Polygenis) rimatus (Rhopalopsyllidae, Rhopalopsyllinae). In this study, we demonstrated the usefulness of several morphological features as diagnostic characters to differentiate between P. (P.) rimatus and P. agenoris. Using molecular and phylogenetic data, we easily discriminated between the two taxa (P. agenoris and P. (P.) rimatus) by comparing both nuclear and mitochondrial markers. This fact proves the usefulness of ITS2, EF1−α, cox1, cytb and cox2 as molecular diagnostic markers to characterize and identify different Siphonaptera taxa. Additionally, the phylogenetic results confirm, for the first time, the monophyly of the Malacopsyllidae family and suggest a clear paraphyletic position of the Paraspsyllinae subfamily and, consequently, the Rhopalopsyllidae family.
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Faccini-Martínez ÁA, Walker DH, Blanton LS. Murine Typhus in Latin America: Perspectives of a Once Recognized but Now Neglected Vector-Borne Disease. Am J Trop Med Hyg 2022; 107:tpmd220070. [PMID: 35970287 PMCID: PMC9651517 DOI: 10.4269/ajtmh.22-0070] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 06/10/2022] [Indexed: 12/15/2022] Open
Abstract
Murine typhus is an undifferentiated febrile illness. Historically recognized throughout Latin America, it has been seldom reported in recent decades. When clinicians and researchers are attuned, endemic foci have reemerged. The demonstrable seroprevalence in areas devoid of reported cases indicates murine typhus is an underappreciated infectious disease in Latin America.
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Affiliation(s)
- Álvaro A. Faccini-Martínez
- Research Institute, Fundación Universitaria de Ciencias de la Salud - FUCS, Bogotá, Colombia
- Servicios y Asesorías en Infectología - SAI, Bogotá, Colombia
| | - David H. Walker
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas
| | - Lucas S. Blanton
- Department of Internal Medicine–Infectious Diseases, University of Texas Medical Branch, Galveston, Texas
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Selmi R, Belkahia H, Dhibi M, Abdelaali H, Lahmar S, Ben Said M, Messadi L. Zoonotic vector-borne bacteria in wild rodents and associated ectoparasites from Tunisia. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2021; 95:105039. [PMID: 34438095 DOI: 10.1016/j.meegid.2021.105039] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 07/23/2021] [Accepted: 08/12/2021] [Indexed: 11/16/2022]
Abstract
Wild rodents are considered as potential carriers of several zoonotic vector-borne bacteria but their epidemiology is poorly understood in Tunisia. A total of 305 biological samples (100 spleens, 100 livers, 100 kidneys, and 5 pooled ectoparasites (Xenopsylla cheopis, Laelaps echidninus, Ornithonyssus sp., Hoplopleura sp. and eggs of the rat fleas)) were collected from 100 wild rodents from three Tunisian governorates. Molecular screening was performed to reveal infections with main vector-borne bacteria. Captured rodents belonged to three rodent genera and species including Rattus rattus (n = 51, 51%), Meriones shawi (n = 24, 24%) and Mus musculus (n = 25, 25%). Examined rodents were found to be heavily infested by the rat flea X. cheopis (n = 32, 47%) and the rat mite L. echidninus (n = 22, 32.3%). However, the rat mite Ornithonyssus sp. (n = 13, 19.1%) and the rat lice Hoplopleura sp. (n = 1, 1.5%) were rarely identified. Based on 16S rRNA and msp4 genes, infection with Anaplasmataceae bacteria was detected in six specimens of R. rattus and one M. shawi. Pathogenic A. phagocytophilum (n = 1), A. phagocytophilum-like 1 (Anaplasma sp. Japan) (n = 1), and A. ovis (n = 5) were identified. On the basis of ompB, ompA and gltA genes, infection with Rickettsia spp. was identified in three specimens of R. rattus and one of M. shawi. Five Rickettsia species of the spotted fever group, corresponding to R. monacensis, R. helvetica, R. massiliae, R. africae, and R. aeschlimannii, were detected in mixed infections. Bartonella henselae DNA was also found in two R. rattus, based on rpoB partial sequences. All revealed Anaplasma, Rickettsia and Bartonella bacteria were detected in spleen samples. Ehrlichia, Coxiella and Borrelia spp. were not identified in any of the tested samples. In Tunisia, this is the first report indicating infections with Anaplasma, Rickettsia and Bartonella spp. in wild rodents, particularly present alongside domestic livestock and human. This represents a serious risk of potential bacterial transmission. Thus, controlling rodent population in animal herds, residential areas and sensitizing local people to this risk seem absolutely necessary.
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Affiliation(s)
- Rachid Selmi
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie; Ministère de la Défense Nationale, Direction Générale de la Santé Militaire, Service Vétérinaire, Tunis, Tunisie
| | - Hanène Belkahia
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie
| | - Mokhtar Dhibi
- Service de Parasitologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie
| | - Hedi Abdelaali
- Ministère de la Défense Nationale, Direction Générale de la Santé Militaire, Service Vétérinaire, Tunis, Tunisie
| | - Samia Lahmar
- Service de Parasitologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie
| | - Mourad Ben Said
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie; Institut Supérieur de Biotechnologie de Sidi Thabet, Département des Sciences Fondamentales, Univ. Manouba, Sidi Thabet, Tunisie.
| | - Lilia Messadi
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire, Univ. Manouba, Sidi Thabet, Tunisie.
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Historical Spatial Distribution of Zoonotic Diseases in Domestic, Synanthropic, and Wild Animals in the Mexican Territory of the Yucatan Peninsula. J Trop Med 2021; 2021:8699455. [PMID: 34413891 PMCID: PMC8369176 DOI: 10.1155/2021/8699455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/17/2021] [Indexed: 11/23/2022] Open
Abstract
The Mexican territory of the Yucatan Peninsula has a tropical climate and harbors a wide variety of domestic, synanthropic, and wild animals, as well as disease vectors. To determine the distribution of recorded zoonotic diseases in the Yucatan Peninsula, scientific publications referring to these diseases in animals and containing geographic coordinates of disease occurrence, were studied. The epidemiological bulletins of the national government were also consulted to obtain information on zoonotic diseases reported in humans in the territory. The territory harbors a wide variety of tropical zoonotic pathogens, including Trypanosoma cruzi, Leptospira interrogans, Toxoplasma gondii, Leishmania mexicana, Dirofilaria immitis, and Rickettsia felis. A variety of domestic, synanthropic, and wild animals act as hosts or reservoirs in the transmission cycle of the zoonotic diseases in the Yucatan Peninsula, and some spillover into human populations has also been recorded. There are still zoonotic diseases that have rarely or never been reported in humans, but it is not clear whether this is because these diseases in humans are not common, there is a lack of viable transmission cycle or there is a lack of appropriate diagnosis. It is necessary to continue monitoring vectors, animal hosts, and humans to identify risk factors for zoonotic diseases in the Yucatan Peninsula.
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Urban ecology of hosts and vectors of Rickettsia in a rickettsiosis-endemic city of the Yucatan peninsula, Mexico. Acta Trop 2021; 216:105832. [PMID: 33465349 DOI: 10.1016/j.actatropica.2021.105832] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 11/20/2022]
Abstract
Rickettsioses are vector-borne zoonotic diseases that occur in urban environments. Currently, they are associated with the presence of domestic and synanthropic animals, the ectoparasites that they harbor, and their local habitat. The implementation of prevention actions relies on the understanding of the local ecology of interactions between hosts, vector species, and the etiologic agents. In this context, this study aimed to explore and describe the occurrence of infected mammals and their ectoparasites in human urban dwellings, and those characteristics of urban dwellings associated to the presence of Rickettsia infected animals in groups of households where at least one human case of rickettsiosis has occurred in the previous year of the study. Briefly, blood-samples and ectoparasites from synanthropic and domestic animals, were obtained from groups of households from different areas of an urban settlement. Serologic and molecular diagnostics helped to identify Spotted Fever Group (SFG) and TG (Typhus Group) Rickettsia in animal and ectoparasite samples. A total of 99 mammals were sampled, 29 opossums (Didelphis virginiana), 13 house mice (Mus musculus), seven black rats (Rattus rattus) and 50 dogs. Infection occurrence in opossums was 8.3% of SFG, 50% for TG, and 4.2% of undetermined group. For house mice 46.2% for SFG and 30.8% were undetermined. Black rats 28.6% of SFG and 57.1% undetermined. Finally, dogs were 19.1% of SFG, 57.4% to TG, and 23.4% belonged to undetermined group. A total of 424 ectoparasites were collected from the mammals. In opossums occurred the ticks Ambyomma sp., Ornithodoros (Alecterobius) nr. talaje, and the flea Ctenocephalides felis. In dogs we found the ticks Rhipicephalus sanguineus s. l., Amblyomma sp., O. (A.) nr. talaje, and the flea Ct. felis. No ectoparasites were collected from rodents. The occurrence of infected animals was associated primarily with the material of the backyard floor, the type of sanitary system in the household, the presence of garbage in the backyard, presence of firewood storage, stored polyethylene terephthalate (PET) containers for sale to recyclers, and the store of construction supplies in the backyard. Nonetheless a generalized linear model showed that the household with a backyard with a dirt floor or other non-concrete material has more chances of harboring infected animals (RR= 1.74, 95% CI= 1.07-2.84 and RR= 1.03, 95% CI= 0.39-2.32 respectively). In contrast, when the house has a sanitary system of urban sewer system or a latrine outside de house, the chances of having infected animals decreased significantly (RR= 0.39, 95% CI= 0.12-0.94 and RR= 0.46, 95% CI= 0.03-2.22). We conclude that both SFG and TG rickettsioses occur in animals and their ectoparasites in peridomiciles of urban households were at least one human rickettsiosis case had occurred.
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Didelphis spp. opossums and their parasites in the Americas: A One Health perspective. Parasitol Res 2021; 120:4091-4111. [PMID: 33788021 PMCID: PMC8599228 DOI: 10.1007/s00436-021-07072-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 01/26/2021] [Indexed: 12/16/2022]
Abstract
Medium sized opossums (Didelphis spp.) are among the most fascinating mammals of the Americas, playing important ecological roles (e.g., dispersal of seeds and control of insect populations) in the environment they inhabit. Nevertheless, as synanthropic animals, they are well adapted to human dwellings, occupying shelters within the cities, peripheral areas, and rural settings. These marsupials can harbor numerous pathogens, which may affect people, pets, and livestock. Among those, some protozoa (e.g., Leishmania infantum, Trypanosoma cruzi, Toxoplasma gondii), helminths (e.g., Ancylostoma caninum, Trichinella spiralis, Alaria marcianae, Paragonimus spp.) and arthropods (e.g., ticks, fleas) present substantial public health and veterinary importance, due to their capacity to cause disease in humans, domestic animals, and wildlife. Here, we reviewed the role played by opossums on the spreading of zoonotic parasites, vectors, and vector-borne pathogens, highlighting the risks of pathogens transmission due to the direct and indirect interaction of humans and domestic animals with Didelphis spp. in the Americas.
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Oliveira J, Oliveira W, Brito R, Lima T, Giannelli A, Carvalho G, Ramos R. Ectoparasites infesting animals living in close contact with human beings: a real trouble for One Health perspective? ARQ BRAS MED VET ZOO 2021. [DOI: 10.1590/1678-4162-12084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT The number of domestic animals living with human beings is rapidly increasing in parallel with an enhanced risk of transmission of their parasites and the pathogens they might carry. The aim of this study was to assess the occurrence of hematophagous arthropods infesting domestic animals from Northeastern Brazil and to remark the implications of their occurrence on the epidemiology and control of selected veterinary and human diseases. From January 2017 to April 2019, ectoparasites infesting domestic cats, dogs and horses were collected for their respective hosts and identified. Overall, ectoparasites were sampled from 86 domestic animals, living in different anthropic settings. A total of 401 specimens (344 ticks and 57 fleas) were collected from different hosts [i.e., 10 (2.49%), 96 (23.94%) and 295 (73.57%) from cats, dogs and horses, respectively]. Two flea (i.e., Ctenocephalides canis and Ctenocephalides felis) and 5 tick species (i.e., Amblyomma ovale, Amblyomma sculptum, Dermacentor nitens, Rhipicephalus microplus and Rhipicephalus sanguineus sensu lato) were identified. This study provides data on the ectoparasite fauna infesting domestic animals from Northeastern Brazil. The diagnosis and treatment of these parasites should not be underestimated, considering the role that hematophagous arthropods display as vectors of pathogens of medical and veterinary concern.
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Affiliation(s)
| | | | - R.S. Brito
- Universidade Federal do Agreste de Pernambuco, Brazil
| | | | | | - G.A. Carvalho
- Universidade Federal do Agreste de Pernambuco, Brazil
| | - R.A.N. Ramos
- Universidade Federal do Agreste de Pernambuco, Brazil
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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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11
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Schott D, Umeno K, Dall'Agnol B, Souza UA, Webster A, Michel T, Peters F, Christoff AU, André MR, Ott R, Jardim M, Reck J. Detection of Bartonella sp. and a novel spotted fever group Rickettsia sp. in Neotropical fleas of wild rodents (Cricetidae) from Southern Brazil. Comp Immunol Microbiol Infect Dis 2020; 73:101568. [PMID: 33120299 DOI: 10.1016/j.cimid.2020.101568] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 09/14/2020] [Accepted: 10/18/2020] [Indexed: 10/23/2022]
Abstract
The Neotropical region shows a great diversity of fleas, comprising more than 50 genera. The importance of the study of fleas is linked to their potential role as disease vectors. The aim of this study is to investigate the presence of Rickettsia spp. and Bartonella spp. in Neotropical fleas collected from wild rodents in Southern Brazil. From 350 rodents captured, 30 were parasitized by fleas. A total of 61 fleas belonging to two genera and six different species were collected (Craneopsylla minerva minerva, Polygenis occidentalis occidentalis, Polygenis platensis, Polygenis pradoi, Polygenis rimatus, and Polygenis roberti roberti). In 13 % of fleas of three different species (C. minerva, P. platensis, and P. pradoi) Rickettsia sp. DNA was found. Phylogenetic analysis of concatenated sequences of gltA, htrA, and ompA genes showed that Rickettsia sp. found in rodent fleas (referred as strain Taim) grouped together with Spotted Fever Group Rickettsia. In reference to Bartonella spp., five genotypes were identified in seven fleas of two species (C. minerva and P. platensis) and in five rodent spleens. Also, 207 frozen samples of wild rodents were screened for these pathogens: while none was positive for Rickettsia spp.; five rodent spleens were PCR-positive for Bartonella spp.. Herein, we show the detection of potential novel variants of Bartonella sp. and Rickettsia sp. in fleas collected of wild rodents from Southern Brazil. Further studies are needed to fully characterize these microorganisms, as well as to improve the knowledge on the potential role of Neotropical flea species as diseases vectors.
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Affiliation(s)
- Diogo Schott
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Karen Umeno
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Bruno Dall'Agnol
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Ugo Araújo Souza
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Anelise Webster
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Thais Michel
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Felipe Peters
- Área de Vida Assessoria e Consultoria em Biologia e Meio Ambiente, Canoas, RS, Brazil
| | | | - Marcos Rogério André
- Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Jaboticabal, SP, Brazil
| | - Ricardo Ott
- Museu de Ciências Naturais (MCN), Fundação Zoobotânica do Rio Grande do Sul (FZB-RS), Porto Alegre, RS, Brazil
| | - Márcia Jardim
- Museu de Ciências Naturais (MCN), Fundação Zoobotânica do Rio Grande do Sul (FZB-RS), Porto Alegre, RS, Brazil
| | - José Reck
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil.
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12
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Sánchez-Montes S, Salceda-Sánchez B, Ballados-González GG, Valtierra-Alzaga L, Soto-Gutiérrez JJ, Becker I. Rickettsia asembonensis: New records associated with the cat flea (Ctenocephalides felis felis) in Mexico. Vet Parasitol Reg Stud Reports 2020; 21:100433. [PMID: 32862918 DOI: 10.1016/j.vprsr.2020.100433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 06/21/2020] [Accepted: 07/01/2020] [Indexed: 11/15/2022]
Abstract
In the present work, we report for the first time the presence of an emerging rickettsial agent in Mexico, Rickettsia asembonensis, recorded in the cat flea (Ctenocephalides felis felis) collected in dogs from the states of Morelos and Veracruz. Possible implications for public health and its contribution to the biodiversity of the country are discussed.
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Affiliation(s)
- Sokani Sánchez-Montes
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico; Facultad de Ciencias Biológicas y Agropecuarias, Región Tuxpan, Universidad Veracruzana, Veracruz, Mexico
| | - Beatriz Salceda-Sánchez
- Laboratorio de Entomología, Instituto de Diagnóstico y Referencia Epidemiológicos, Secretaría de Salud, Mexico City, Mexico.
| | | | - Laura Valtierra-Alzaga
- Laboratorio de Entomología, Laboratorio Estatal de Salud Pública, Secretaría de Salud, Morelos, Mexico
| | - Juan J Soto-Gutiérrez
- Laboratorio de Entomología, Instituto de Diagnóstico y Referencia Epidemiológicos, Secretaría de Salud, Mexico City, Mexico
| | - Ingeborg Becker
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
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13
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Melis M, Espinoza-Carniglia M, Savchenko E, Nava S, Lareschi M. Molecular detection and identification of Rickettsia felis in Polygenis (Siphonaptera, Rhopalopsyllidae, Rhopalopsyllinae) associated with cricetid rodents in a rural area from central Argentina. Vet Parasitol Reg Stud Reports 2020; 21:100445. [PMID: 32862894 DOI: 10.1016/j.vprsr.2020.100445] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 07/27/2020] [Accepted: 08/03/2020] [Indexed: 10/23/2022]
Abstract
The aim of this study was to detect and identify the presence of Rickettsia in fleas associated with cricetid rodents from northeastern Buenos Aires Province, Argentina. Sixteen fleas belonging to three species of Polygenis were collected from 56 cricetid rodents and analyzed for the presence of Rickettsia performing the conventional polymerase chain reaction (PCR) technique. Only one specimen of Polygenis (Polygenis) axius axius collected from Oxymycterus rufus was positive for Rickettsia felis using the gltA gene, and to ompA gene. This is the first report of R. felis in a Rhopalopsyllidae flea from Argentina, and the first detection of this bacterium in P. (P.) a. axius. Since both, O. rufus and P. (P.) a. axius, are common in areas close to humans, and enzootic cycle of R. felis is not fully understood, the results herein obtained might be of epidemiological importance. Further studies are needed in order to analyze the capacity of the species of Polygenis to transmit R. felis.
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Affiliation(s)
- Mauricio Melis
- Centro de Estudios Parasitológicos y de Vectores (CEPAVE) (CONICET-UNLP), Bv. 120 s/n e/60 y 64, CP 1900 La Plata, Argentina.
| | - Mario Espinoza-Carniglia
- Centro de Estudios Parasitológicos y de Vectores (CEPAVE) (CONICET-UNLP), Bv. 120 s/n e/60 y 64, CP 1900 La Plata, Argentina
| | - Ekaterina Savchenko
- Centro de Estudios Parasitológicos y de Vectores (CEPAVE) (CONICET-UNLP), Bv. 120 s/n e/60 y 64, CP 1900 La Plata, Argentina
| | - Santiago Nava
- Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Agropecuaria Rafaela, CC 22, CP 2300 Rafaela, Santa Fe, Argentina
| | - Marcela Lareschi
- Centro de Estudios Parasitológicos y de Vectores (CEPAVE) (CONICET-UNLP), Bv. 120 s/n e/60 y 64, CP 1900 La Plata, Argentina
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14
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Torres‐Castro M, Reyes‐Novelo E, Noh‐Pech H, Tello‐Martín R, Lugo‐Caballero C, Dzul‐Rosado K, Puerto‐Manzano F, Rodríguez‐Vivas RI. Personal and household factors involved in recent
Rickettsia
exposure in a rural population from Yucatán, Mexico. Zoonoses Public Health 2020; 67:506-515. [DOI: 10.1111/zph.12714] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/11/2019] [Accepted: 03/31/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Marco Torres‐Castro
- Centro de Investigaciones Regionales ‘Dr. Hideyo Noguchi’ Universidad Autónoma de Yucatán Mérida México
- Posgrado Institucional en Ciencias de la Salud Universidad Autónoma de Yucatán Mérida México
| | - Enrique Reyes‐Novelo
- Centro de Investigaciones Regionales ‘Dr. Hideyo Noguchi’ Universidad Autónoma de Yucatán Mérida México
| | - Henry Noh‐Pech
- Centro de Investigaciones Regionales ‘Dr. Hideyo Noguchi’ Universidad Autónoma de Yucatán Mérida México
| | - Raúl Tello‐Martín
- Centro de Investigaciones Regionales ‘Dr. Hideyo Noguchi’ Universidad Autónoma de Yucatán Mérida México
| | - César Lugo‐Caballero
- Centro de Investigaciones Regionales ‘Dr. Hideyo Noguchi’ Universidad Autónoma de Yucatán Mérida México
| | - Karla Dzul‐Rosado
- Centro de Investigaciones Regionales ‘Dr. Hideyo Noguchi’ Universidad Autónoma de Yucatán Mérida México
| | - Fernando Puerto‐Manzano
- Centro de Investigaciones Regionales ‘Dr. Hideyo Noguchi’ Universidad Autónoma de Yucatán Mérida México
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15
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Sánchez-Montes S, Colunga-Salas P, Fernández-Figueroa EA, Medel MLH, Benítez CR, Becker I. Murine typhus in Mexico City: report of an imported case. Rev Inst Med Trop Sao Paulo 2019; 61:e16. [PMID: 30864621 PMCID: PMC6413773 DOI: 10.1590/s1678-9946201961016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 11/08/2018] [Indexed: 11/22/2022] Open
Abstract
Murine typhus is endemic in several countries. We herein report an imported case of murine typhus caused by Rickettsia typhi in Mexico City. This is the first report of a case after almost 20 years since the last report. The species was confirmed by DNA sequencing and phylogenetic reconstruction.
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Affiliation(s)
- Sokani Sánchez-Montes
- Universidad Nacional Autónoma de México, Facultad de Medicina,
Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental,
Ciudad de México, México
| | - Pablo Colunga-Salas
- Universidad Nacional Autónoma de México, Facultad de Medicina,
Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental,
Ciudad de México, México
| | - Edith A. Fernández-Figueroa
- Universidad Nacional Autónoma de México, Facultad de Medicina,
Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental,
Ciudad de México, México
- Instituto Nacional de Medicina Genómica, Computational Genomics
Laboratory, Ciudad de México, México
| | | | | | - Ingeborg Becker
- Universidad Nacional Autónoma de México, Facultad de Medicina,
Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental,
Ciudad de México, México
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16
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Fischer S, Spierling NG, Heuser E, Kling C, Schmidt S, Rosenfeld UM, Reil D, Imholt C, Jacob J, Ulrich RG, Essbauer S. High prevalence of Rickettsia helvetica in wild small mammal populations in Germany. Ticks Tick Borne Dis 2018; 9:500-505. [PMID: 29398604 DOI: 10.1016/j.ttbdis.2018.01.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 11/01/2017] [Accepted: 01/13/2018] [Indexed: 12/31/2022]
Abstract
Since the beginning of the 21st century, spotted fever rickettsioses are known as emerging diseases worldwide. Rickettsiae are obligately intracellular bacteria transmitted by arthropod vectors. The ecology of Rickettsia species has not been investigated in detail, but small mammals are considered to play a role as reservoirs. Aim of this study was to monitor rickettsiae in wild small mammals over a period of five years in four federal states of Germany. Initial screening of ear pinna tissues of 3939 animals by Pan-Rick real-time PCR targeting the citrate synthase (gltA) gene revealed 296 rodents of seven species and 19 shrews of two species positive for rickettsial DNA. Outer membrane protein gene (ompB, ompAIV) PCRs based typing resulted in the identification of three species: Rickettsia helvetica (90.9%) was found as the dominantly occurring species in the four investigated federal states, but Rickettsia felis (7.8%) and Rickettsia raoultii (1.3%) were also detected. The prevalence of Rickettsia spp. in rodents of the genus Apodemus was found to be higher (approximately 14%) than in all other rodent and shrew species at all investigated sites. General linear mixed model analyses indicated that heavier (older) individuals of yellow-necked mice and male common voles seem to contain more often rickettsial DNA than younger ones. Furthermore, rodents generally collected in forests in summer and autumn more often carried rickettsial DNA. In conclusion, this study indicated a high prevalence of R. helvetica in small mammal populations and suggests an age-dependent increase of the DNA prevalence in some of the species and in animals originating from forest habitats. The finding of R. helvetica and R. felis DNA in multiple small mammal species may indicate frequent trans-species transmission by feeding of vectors on different species. Further investigations should target the reason for the discrepancy between the high rickettsial DNA prevalence in rodents and the so far almost absence of clinical apparent human infections.
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Affiliation(s)
- Stefan Fischer
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Nastasja G Spierling
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Elisa Heuser
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Christopher Kling
- Bundeswehr Institute of Microbiology, Department Virology and Rickettsiology, Neuherbergstr. 11, 80937 Munich, Germany
| | - Sabrina Schmidt
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Ulrike M Rosenfeld
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Daniela Reil
- Julius Kühn-Institute, Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Horticulture and Forests, Vertebrate Research, Toppheideweg 88, 48161 Münster, Germany
| | - Christian Imholt
- Julius Kühn-Institute, Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Horticulture and Forests, Vertebrate Research, Toppheideweg 88, 48161 Münster, Germany
| | - Jens Jacob
- Julius Kühn-Institute, Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Horticulture and Forests, Vertebrate Research, Toppheideweg 88, 48161 Münster, Germany
| | - Rainer G Ulrich
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Sandra Essbauer
- Bundeswehr Institute of Microbiology, Department Virology and Rickettsiology, Neuherbergstr. 11, 80937 Munich, Germany.
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17
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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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18
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Dzul-Rosado KR, Mendez N, Lugo-Caballero C, Zavala-Castro JE, Gomez-Carro S. Epidemiologic profile and clinical course of four confirmed rickettsiosis cases in Southern Mexico during 2016. Clin Case Rep 2017; 6:119-124. [PMID: 29375850 PMCID: PMC5771939 DOI: 10.1002/ccr3.1303] [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: 04/14/2017] [Revised: 11/02/2017] [Accepted: 11/05/2017] [Indexed: 11/12/2022] Open
Abstract
Domestic animals can carry ticks or fleas, which constitute common vectors of rickettsial infections. The contact with them should be considered as suggestive of rickettsial infections in symptomatic patients. Misdiagnosis might occur in regions where other vector-borne diseases are endemic. Anamnesis is essential for an accurate clinical diagnosis.
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Affiliation(s)
- Karla R Dzul-Rosado
- Laboratorio de enfermedades emergentes y reemergentes Centro de Investigaciones Regionales Dr. Hideyo Noguchi Universidad Autonoma de Yucatan Merida México
| | - Nina Mendez
- School of Medicine, Health Sciences Campus Universidad Marista de Merida Merida México
| | - Cesar Lugo-Caballero
- Laboratorio de enfermedades emergentes y reemergentes Centro de Investigaciones Regionales Dr. Hideyo Noguchi Universidad Autonoma de Yucatan Merida México
| | - Jorge E Zavala-Castro
- Laboratorio de enfermedades emergentes y reemergentes Centro de Investigaciones Regionales Dr. Hideyo Noguchi Universidad Autonoma de Yucatan Merida México
| | - Salvador Gomez-Carro
- Hospital Epidemiology Department Epidemiologic Surveillance Unit at O'Horan General Hospital Merida México
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19
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Ehounoud C, Fenollar F, Dahmani M, N’Guessan J, Raoult D, Mediannikov O. Bacterial arthropod-borne diseases in West Africa. Acta Trop 2017; 171:124-137. [PMID: 28365316 DOI: 10.1016/j.actatropica.2017.03.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Indexed: 01/18/2023]
Abstract
Arthropods such as ticks, lice, fleas and mites are excellent vectors for many pathogenic agents including bacteria, protozoa and viruses to animals. Moreover, many of these pathogens can also be accidentally transmitted to humans throughout the world. Bacterial vector-borne diseases seem to be numerous and very important in human pathology, however, they are often ignored and are not well known. Yet they are in a phase of geographic expansion and play an important role in the etiology of febrile episodes in regions of Africa. Since the introduction of molecular techniques, the presence of these pathogens has been confirmed in various samples from arthropods and animals, and more rarely from human samples in West Africa. In this review, the aim is to summarize the latest information about vector-borne bacteria, focusing on West Africa from 2000 until today in order to better understand the epidemiological risks associated with these arthropods. This will allow health and veterinary authorities to develop a strategy for surveillance of arthropods and bacterial disease in order to protect people and animals.
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20
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Dzul-Rosado K, Lugo-Caballero C, Tello-Martin R, López-Avila K, Zavala-Castro J. Direct evidence of Rickettsia typhi infection in Rhipicephalus sanguineus ticks and their canine hosts. Open Vet J 2017; 7:165-169. [PMID: 28652984 PMCID: PMC5475241 DOI: 10.4314/ovj.v7i2.14] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 05/30/2017] [Indexed: 11/17/2022] Open
Abstract
Murine typhus is a rickettsiosis caused by Rickettsia typhi, whose transmission is carried out by rat fleas in urban settlements as classically known, but it also has been related to cat fleas in a sub-urban alternative cycle that has been suggested by recent reports. These studies remarks that in addition to rats, other animals like cats, opossums and dogs could be implied in the transmission of Rickettsia typhi as infected fleas obtained from serologically positive animals have been detected in samples from endemic areas. In Mexico, the higher number of murine typhus cases have been detected in the Yucatan peninsula, which includes a great southeastern region of Mexico that shows ecologic characteristics similar to the sub-urban alternative cycle recently described in Texas and California at the United States. To find out which are the particular ecologic characteristics of murine typhus transmission in this region, we analyzed blood and Rhipicephalus sanguineus ticks obtained from domestic dogs by molecular approaches, demonstrating that both samples were infected by Rickettsia typhi. Following this, we obtained isolates that were analyzed by genetic sequencing to corroborate this infection in 100% of the analyzed samples. This evidence suggests for the first time that ticks and dogs could be actively participating in the transmission of murine typhus, in a role that requires further studies for its precise description.
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Affiliation(s)
- Karla Dzul-Rosado
- Center of Research and Regional Studies Dr Hideyo Noguchi, Autonomous University of Yucatan. Av. Itzáes and 59th street, number490, Mérida, Yucatán. Postal code 97000, Mexico
| | - Cesar Lugo-Caballero
- Center of Research and Regional Studies Dr Hideyo Noguchi, Autonomous University of Yucatan. Av. Itzáes and 59th street, number490, Mérida, Yucatán. Postal code 97000, Mexico
| | - Raul Tello-Martin
- Center of Research and Regional Studies Dr Hideyo Noguchi, Autonomous University of Yucatan. Av. Itzáes and 59th street, number490, Mérida, Yucatán. Postal code 97000, Mexico
| | - Karina López-Avila
- Center of Research and Regional Studies Dr Hideyo Noguchi, Autonomous University of Yucatan. Av. Itzáes and 59th street, number490, Mérida, Yucatán. Postal code 97000, Mexico
| | - Jorge Zavala-Castro
- Center of Research and Regional Studies Dr Hideyo Noguchi, Autonomous University of Yucatan. Av. Itzáes and 59th street, number490, Mérida, Yucatán. Postal code 97000, Mexico
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Villalobos-Cuevas VA, Weber M, Lareschi M, Acosta R. Pulgas parásitas de mamíferos pequeños y medianos de Calakmul, Campeche, México y nuevos registros de localidades. REV MEX BIODIVERS 2016. [DOI: 10.1016/j.rmb.2016.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Abstract
Rickettsia felis is an emerging insect-borne rickettsial pathogen and the causative agent of flea-borne spotted fever. First described as a human pathogen from the USA in 1991, R. felis is now identified throughout the world and considered a common cause of fever in Africa. The cosmopolitan distribution of this pathogen is credited to the equally widespread occurrence of cat fleas (Ctenocephalides felis), the primary vector and reservoir of R. felis. Although R. felis is a relatively new member of the pathogenic Rickettsia, limited knowledge of basic R. felis biology continues to hinder research progression of this unique bacterium. This is a comprehensive review examining what is known and unknown relative to R. felis transmission biology, epidemiology of the disease, and genetics, with an insight into areas of needed investigation.
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Affiliation(s)
- Lisa D. Brown
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Skip Bertman Drive, SVM-3213, Baton Rouge, LA 70803 USA
| | - Kevin R. Macaluso
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Skip Bertman Drive, SVM-3213, Baton Rouge, LA 70803 USA
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Molecular evidence of Rickettsia typhi infection in dogs from a rural community in Yucatán, México. BIOMEDICA 2016; 36:45-50. [PMID: 27622624 DOI: 10.7705/biomedica.v36i2.2913] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 08/23/2015] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Rickettsia typhi causes murine or endemic typhus, which is transmitted to humans primarily through flea bites contaminated with feces. Synanthropic and domestic animals also contribute to the infection cycle of R. typhi. Cases of murine typhus in humans were reported in the rural community of Bolmay, Yucatán, México, between 2007 and 2010. OBJECTIVE To identify the presence of R. typhi and estimate the frequency of infection in dogs from Bolmay, México, a locality with previous reports of murine typhus in humans. MATERIALS AND METHODS Whole blood samples were taken from 128 dogs. Total DNA was extracted for use in the polymerase chain reaction (PCR) to amplify fragments of the 17 kDa and omp B genes and confirms the presence of Rickettsia spp. The reaction products were sequenced, and alignment analysis was performed using the BLAST tool. RESULTS The frequency of R. typhi infection in dogs was 5.5 % (7/128). The alignment identified 99% and 100% homology to the R. typhi 17 kDa and omp B genes, respectively. CONCLUSION We confirmed the presence of R. typhi in dogs in the studied community but at a low frequency. However, there is potential risk of transmission to humans.
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Billeter SA, Diniz PPVDP, Jett LA, Wournell AL, Kjemtrup AM, Padgett KA, Yoshimizu MH, Metzger ME, Barr MC. Detection of Rickettsia Species in Fleas Collected from Cats in Regions Endemic and Nonendemic for Flea-Borne Rickettsioses in California. Vector Borne Zoonotic Dis 2016; 16:151-6. [PMID: 26824189 DOI: 10.1089/vbz.2015.1869] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Rickettsia typhi, transmitted by rat fleas, causes most human flea-borne rickettsioses worldwide. Another rickettsia, Rickettsia felis, found in cat fleas, Ctenocephalides felis, has also been implicated as a potential human pathogen. In the continental United States, human cases of flea-borne rickettsioses are reported primarily from the southern regions of Texas and California where the cat flea is considered the principal vector. In California, more than 90% of locally acquired human cases are reported from suburban communities within Los Angeles and Orange counties despite the almost ubiquitous presence of cat fleas and their hosts throughout the state. The objective of this study is to assess the presence and infection rate of Rickettsia species in cat fleas from selected endemic and nonendemic regions of California. Cat fleas were collected from cats in Los Angeles County (endemic region) and Sacramento and Contra Costa counties (nonendemic region). Sequencing of 17 amplicons confirmed the presence of R. felis in both the endemic and non-endemic regions with a calculated maximum likelihood estimation of 131 and 234 per 1000 fleas, respectively. R. typhi was not detected in any flea pools. Two R. felis-like genotypes were also detected in fleas from Los Angeles County; Genotype 1 was detected in 1 flea pool and Genotype 2 was found in 10 flea pools. Genotype 1 was also detected in a single flea pool from Sacramento County. Results from this study show that R. felis is widespread in cat flea populations in both flea-borne rickettsioses endemic and nonendemic regions of California, suggesting that a high prevalence of this bacterium in cat fleas does not predispose to increased risk of human infection. Further studies are needed to elucidate the role of R. felis and the two R. felis-like organisms as etiologic agents of human flea-borne rickettsioses in California.
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Affiliation(s)
- Sarah A Billeter
- 1 Vector-Borne Disease Section, California Department of Public Health , Ontario, California
| | | | - Lindsey A Jett
- 2 College of Veterinary Medicine, Western University of Health Sciences , Pomona, California
| | - Andrea L Wournell
- 2 College of Veterinary Medicine, Western University of Health Sciences , Pomona, California
| | - Anne M Kjemtrup
- 3 Vector-Borne Disease Section, California Department of Public Health , Sacramento, California
| | - Kerry A Padgett
- 4 Vector-Borne Disease Section, California Department of Public Health , Richmond, California
| | | | - Marco E Metzger
- 1 Vector-Borne Disease Section, California Department of Public Health , Ontario, California
| | - Margaret C Barr
- 2 College of Veterinary Medicine, Western University of Health Sciences , Pomona, California
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