Trypanosomatid Richness in Wild and Synanthropic Small Mammals from a Biological Station in Rio de Janeiro, Brazil

Trypanosomatids are diverse and can infect several host species, including small mammals (rodents and marsupials). Between 2012 and 2014, 91 small mammals were surveyed for trypanosomatid infection in the Estação Biológica FIOCRUZ Mata Atlântica (EFMA), an Atlantic Forest area in Rio de Janeiro that...

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Main Authors: Alice Pereira Berbigier, Juliana Helena da Silva Barros, Edilene Sousa Pontes, Cristiane Varella Lisboa, Rosana Gentile, Samanta Cristina das Chagas Xavier, Ana Maria Jansen, André Luiz Rodrigues Roque
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/10/11/1442
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author Alice Pereira Berbigier
Juliana Helena da Silva Barros
Edilene Sousa Pontes
Cristiane Varella Lisboa
Rosana Gentile
Samanta Cristina das Chagas Xavier
Ana Maria Jansen
André Luiz Rodrigues Roque
author_facet Alice Pereira Berbigier
Juliana Helena da Silva Barros
Edilene Sousa Pontes
Cristiane Varella Lisboa
Rosana Gentile
Samanta Cristina das Chagas Xavier
Ana Maria Jansen
André Luiz Rodrigues Roque
author_sort Alice Pereira Berbigier
collection DOAJ
description Trypanosomatids are diverse and can infect several host species, including small mammals (rodents and marsupials). Between 2012 and 2014, 91 small mammals were surveyed for trypanosomatid infection in the Estação Biológica FIOCRUZ Mata Atlântica (EFMA), an Atlantic Forest area in Rio de Janeiro that presents different levels of conserved and degraded areas. Blood, skin, liver, and spleen samples were submitted to parasitological, serological, and molecular assays to detect the infection and determine the taxonomic status of their parasites. Sixty-eight individuals (74.7%; <i>n</i> = 91) were infected by trypanosomatids, including fourteen mixed infected by different trypanosomatid parasites. These hosts were infected by: <i>T. cruzi</i> DTU TcI (<i>n</i> = 12), <i>T. cruzi</i> DTU TcIV (<i>n</i> = 2), <i>T. janseni</i> (<i>n</i> = 15), <i>T. dionisii</i> (<i>n</i> = 1), and <i>T. rangeli</i> A (<i>n</i> = 1) detected in blood or tissue cultures, in addition to <i>T. cruzi</i> DTU TcI (<i>n</i> = 9) and <i>Leishmania</i> sp. (<i>n</i> = 1) only by the molecular diagnosis. Serological diagnosis was positive in 38 (71.6%) individuals for <i>T. cruzi</i>, the same amount for <i>Leishmania</i> spp., and 23 (43.3%) individuals were mixed infected. These data indicate a remarkable richness of trypanosomatid species/genotypes infecting small mammals, even in a disturbed area with low mammal species diversity—as is the case of the EFMA—reinforcing the generalist aspect of these parasites.
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spelling doaj.art-0688ccd3c1344736a9d4b42d9481d0f82023-11-23T00:53:22ZengMDPI AGPathogens2076-08172021-11-011011144210.3390/pathogens10111442Trypanosomatid Richness in Wild and Synanthropic Small Mammals from a Biological Station in Rio de Janeiro, BrazilAlice Pereira Berbigier0Juliana Helena da Silva Barros1Edilene Sousa Pontes2Cristiane Varella Lisboa3Rosana Gentile4Samanta Cristina das Chagas Xavier5Ana Maria Jansen6André Luiz Rodrigues Roque7Laboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, BrazilLaboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, BrazilLaboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, BrazilLaboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, BrazilLaboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, BrazilLaboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, BrazilLaboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, BrazilLaboratório de Biologia de Tripanosomatídeos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-360, BrazilTrypanosomatids are diverse and can infect several host species, including small mammals (rodents and marsupials). Between 2012 and 2014, 91 small mammals were surveyed for trypanosomatid infection in the Estação Biológica FIOCRUZ Mata Atlântica (EFMA), an Atlantic Forest area in Rio de Janeiro that presents different levels of conserved and degraded areas. Blood, skin, liver, and spleen samples were submitted to parasitological, serological, and molecular assays to detect the infection and determine the taxonomic status of their parasites. Sixty-eight individuals (74.7%; <i>n</i> = 91) were infected by trypanosomatids, including fourteen mixed infected by different trypanosomatid parasites. These hosts were infected by: <i>T. cruzi</i> DTU TcI (<i>n</i> = 12), <i>T. cruzi</i> DTU TcIV (<i>n</i> = 2), <i>T. janseni</i> (<i>n</i> = 15), <i>T. dionisii</i> (<i>n</i> = 1), and <i>T. rangeli</i> A (<i>n</i> = 1) detected in blood or tissue cultures, in addition to <i>T. cruzi</i> DTU TcI (<i>n</i> = 9) and <i>Leishmania</i> sp. (<i>n</i> = 1) only by the molecular diagnosis. Serological diagnosis was positive in 38 (71.6%) individuals for <i>T. cruzi</i>, the same amount for <i>Leishmania</i> spp., and 23 (43.3%) individuals were mixed infected. These data indicate a remarkable richness of trypanosomatid species/genotypes infecting small mammals, even in a disturbed area with low mammal species diversity—as is the case of the EFMA—reinforcing the generalist aspect of these parasites.https://www.mdpi.com/2076-0817/10/11/1442parasitesreservoirsAtlantic Forestanthropized areasrichnesstaxonomy
spellingShingle Alice Pereira Berbigier
Juliana Helena da Silva Barros
Edilene Sousa Pontes
Cristiane Varella Lisboa
Rosana Gentile
Samanta Cristina das Chagas Xavier
Ana Maria Jansen
André Luiz Rodrigues Roque
Trypanosomatid Richness in Wild and Synanthropic Small Mammals from a Biological Station in Rio de Janeiro, Brazil
Pathogens
parasites
reservoirs
Atlantic Forest
anthropized areas
richness
taxonomy
title Trypanosomatid Richness in Wild and Synanthropic Small Mammals from a Biological Station in Rio de Janeiro, Brazil
title_full Trypanosomatid Richness in Wild and Synanthropic Small Mammals from a Biological Station in Rio de Janeiro, Brazil
title_fullStr Trypanosomatid Richness in Wild and Synanthropic Small Mammals from a Biological Station in Rio de Janeiro, Brazil
title_full_unstemmed Trypanosomatid Richness in Wild and Synanthropic Small Mammals from a Biological Station in Rio de Janeiro, Brazil
title_short Trypanosomatid Richness in Wild and Synanthropic Small Mammals from a Biological Station in Rio de Janeiro, Brazil
title_sort trypanosomatid richness in wild and synanthropic small mammals from a biological station in rio de janeiro brazil
topic parasites
reservoirs
Atlantic Forest
anthropized areas
richness
taxonomy
url https://www.mdpi.com/2076-0817/10/11/1442
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