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de Souza NN, Ursine RL, Cruz DS, Xavier EDMS, Queiroz LDRP, Falcão LAD, de Araújo WS, Gontijo CMF, Melo MN, Vieira TM. Leishmania species infection of bats: A systematic review. Acta Trop 2023; 248:107025. [PMID: 37769863 DOI: 10.1016/j.actatropica.2023.107025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 10/03/2023]
Abstract
A wide variety of mammals, including domestic and wild species, have been considered potential hosts and reservoirs for Leishmania. Bats have longevity, dispersal capacity, and adaptability to synotropic environments, characteristics that may favor their role in maintaining the life cycle of parasites. Therefore, the objective of this study was to carry out a worldwide systematic review of the occurrence of Leishmania species in bats, as well as to identify associations between eating habits and the type of sample collected with the occurrence of the infection. Data were obtained from a bibliographic search for studies that used molecular methods to identify parasites, employing the keywords "bats" AND "Leishmania" and their synonyms. We found 68 original studies, of which 20 were included in this review. Most studies were conducted in Brazil (60 %) and only 10 % were conducted in Old World countries. In all, 48 bat species were recorded that hosted seven Leishmania species, resulting in 62 different host-parasite interactions, and the Leishmania infantum interaction with bat species presented higher frequency. There was no significant difference between Leishmania species richness, infection percentage, and type of sample analyzed, but in general, it is observed that the use of different biological samples seems to expand the possibility of parasite detection. The patterns observed here indicate that bats can become infected with a wide variety of Leishmania species and likely play an important role in maintaining the parasite's life cycle. Thus, we suggest that studies aimed at understanding the transmission cycle of leishmaniasis include the investigation of bats as potential hosts or reservoirs of Leishmania.
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Affiliation(s)
- Núbia Nunes de Souza
- Post Graduate Program in Health Sciences, State University of Montes Claros, Montes Claros C.P. 39401-002, Minas Gerais, Brazil.
| | - Renata Luiz Ursine
- Department of Biological Sciences, Federal University of the Jequitinhonha and Mucuri Valleys, Diamantina C.P. 39.100 - 000, Brazil
| | - Dardiane Santos Cruz
- Post Graduate Program in Health Sciences, State University of Montes Claros, Montes Claros C.P. 39401-002, Minas Gerais, Brazil
| | | | - Lorena Dos Reis Pereira Queiroz
- Post Graduate Program in Health Sciences, State University of Montes Claros, Montes Claros C.P. 39401-002, Minas Gerais, Brazil
| | - Luiz Alberto Dolabela Falcão
- Department of Biological Sciences, State University of Montes Claros, Montes Claros, Minas Gerais C.P. 39401-002, Brazil
| | - Walter Santos de Araújo
- Department of Biological Sciences, State University of Montes Claros, Montes Claros, Minas Gerais C.P. 39401-002, Brazil
| | - Célia Maria Ferreira Gontijo
- Research Group on Leishmaniasis, Research Center René Rachou, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | - Maria Norma Melo
- Department of Parasitology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Thallyta Maria Vieira
- Post Graduate Program in Health Sciences, State University of Montes Claros, Montes Claros C.P. 39401-002, Minas Gerais, Brazil; Department of Biological Sciences, State University of Montes Claros, Montes Claros, Minas Gerais C.P. 39401-002, Brazil
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Role of Brazilian bats in the epidemiological cycle of potentially zoonotic pathogens. Microb Pathog 2023; 177:106032. [PMID: 36804526 DOI: 10.1016/j.micpath.2023.106032] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 02/07/2023] [Accepted: 02/12/2023] [Indexed: 02/19/2023]
Abstract
Bats (Chiroptera) are flying mammals of great biodiversity and habits. These characteristics contribute for them being natural reservoirs and part of the epidemiological cycle of several potentially zoonotic pathogens, such as viruses, protozoa, fungi and bacteria. Brazil hosts approximately 15% of the world's bat diversity, with 181 distinct species, 68 genera and 9 families. About 60% of infectious diseases in humans are of zoonotic origin and, in the last decades, the detection of zoonotic pathogens in bats and their environment has been reported, such as Rabies virus (RABV) and Histoplasma capsulatum. Thus, the aim of this work was to review the reports of zoonotic pathogens associated with bats in Brazil in the past ten years. We reviewed the main pathogenic microorganisms described and the species of bats most frequently involved in the epidemiological cycles of these zoonotic agents. The obtained data show an upward trend in the detection of zoonotic pathogens in Brazilian bats, such as RABV, Bartonella sp., Histoplasma capsulatum and Leishmania spp., with emphasis on the bat species Artibeus lituratus, Carollia perspicillata, Desmodus rotundus and Molossus molossus. These findings highlight the importance of monitoring bat-associated microrganisms to early identify pathogens that may threaten bat populations, including potentially zoonotic microrganisms, emphasizing the importance of the One Health approach to prevent and mitigate the risks of the emergence of zoonotic diseases.
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Torquetti CG, de Carvalho TP, de Freitas RMP, Freitas MB, Guimarães ATB, Soto-Blanco B. Influence of landscape ecology and physiological implications in bats from different trophic guilds. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159631. [PMID: 36280059 DOI: 10.1016/j.scitotenv.2022.159631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/28/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023]
Abstract
Bats may serve as bioindicators of human impact on landscape ecology. This study aimed to evaluate the health condition of bats from different food guilds captured in two areas with different land use profiles in Brazil and to compare data on the oxidant-antioxidant balance and histopathological changes due to different anthropogenic pressures. Bats were collected from a protected area in Serra do Cipó National Park (SCNP), MG, Brazil, and an area with intense agricultural activity in the municipality of Uberaba (UB), MG, Brazil. Despite the differences in land use and occupation between the studied areas, bats showed similar responses. However, the trophic guilds were affected differently. Frugivorous bats in both areas showed lower activities of the enzymes superoxide dismutase (SOD), catalase (CAT), and glutathione S-transferase (GST) and concentrations of malondialdehyde (MDA) than other guilds, which can be explained by the greater intake of antioxidants from the diet in addition to the lower production of reactive oxygen species (ROS). Histopathological analysis of the livers revealed that the animals had a similar prevalence in the two areas, with some differences related to guilds. Compared with other bats, hematophagous bats from SCNP had a higher prevalence of steatosis and, together with frugivorous bats from Uberaba, had higher frequencies of ballooning degeneration, suggesting that these animals are subjected to anthropogenic factors capable of inducing disturbances in hepatic metabolism. Hematophagous bats from Uberaba had a higher prevalence of portal inflammation, while insectivorous bats from Uberaba had a higher prevalence of lobular and portal inflammation. The profiles of use and occupation of the areas are different; Uberaba bats seem to face worse conditions because they show more liver damage owing to lipoperoxidation.
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Affiliation(s)
- Camila Guimarães Torquetti
- Programa de Pós-Graduação em Ciência Animal, Escola de Veterinária, Universidade Federal de Minas Gerais (UFMG), Avenida Antônio Carlos 6627, Belo Horizonte, MG 30123-970, Brazil
| | - Thaynara Parente de Carvalho
- Programa de Pós-Graduação em Ciência Animal, Escola de Veterinária, Universidade Federal de Minas Gerais (UFMG), Avenida Antônio Carlos 6627, Belo Horizonte, MG 30123-970, Brazil
| | - Renata Maria Pereira de Freitas
- Programa de Pós-Graduação em Ciências Ambientais, Universidade Federal de Goiás (UFG), Avenida Esperança s/n, Goiânia, GO 74690-900, Brazil
| | - Mariella Bontempo Freitas
- Departamento de Biologia Animal, Universidade Federal de Viçosa (UFV), Av. P.H. Rolfs s/n, Viçosa, MG 36570-000, Brazil
| | - Ana Tereza Bittencourt Guimarães
- Laboratório de Investigações Biológicas, Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná, Rua Universitária 2069, Cascavel, PR 85819-110, Brazil
| | - Benito Soto-Blanco
- Programa de Pós-Graduação em Ciência Animal, Escola de Veterinária, Universidade Federal de Minas Gerais (UFMG), Avenida Antônio Carlos 6627, Belo Horizonte, MG 30123-970, Brazil.
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