Diversity and Epidemiology of Bat Trypanosomes: A One Health Perspective

Bats (order Chiroptera) have been increasingly recognised as important reservoir hosts for human and animal pathogens worldwide. In this context, molecular and microscopy-based investigations to date have revealed remarkably high diversity of <i>Trypanosoma</i> spp. harboured by bats, in...

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Main Authors: Jill M. Austen, Amanda D. Barbosa
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/10/9/1148
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author Jill M. Austen
Amanda D. Barbosa
author_facet Jill M. Austen
Amanda D. Barbosa
author_sort Jill M. Austen
collection DOAJ
description Bats (order Chiroptera) have been increasingly recognised as important reservoir hosts for human and animal pathogens worldwide. In this context, molecular and microscopy-based investigations to date have revealed remarkably high diversity of <i>Trypanosoma</i> spp. harboured by bats, including species of recognised medical and veterinary importance such as <i>Trypanosoma cruzi</i> and <i>Trypanosoma evansi</i> (aetiological agents of Chagas disease and Surra, respectively). This review synthesises current knowledge on the diversity, taxonomy, evolution and epidemiology of bat trypanosomes based on both molecular studies and morphological records. In addition, we use a One Health approach to discuss the significance of bats as reservoirs (and putative vectors) of <i>T. cruzi</i>, with a focus on the complex associations between intra-specific genetic diversity and eco-epidemiology of <i>T. cruzi</i> in sylvatic and domestic ecosystems. This article also highlights current knowledge gaps on the biological implications of trypanosome co-infections in a single host, as well as the prevalence, vectors, life-cycle, host-range and clinical impact of most bat trypanosomes recorded to date. Continuous research efforts involving molecular surveillance of bat trypanosomes are required for improved disease prevention and control, mitigation of biosecurity risks and potential spill-over events, ultimately ensuring the health of humans, domestic animals and wildlife globally.
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spelling doaj.art-cf56ec883aea4de188b860d4ceabbd192023-11-22T14:42:28ZengMDPI AGPathogens2076-08172021-09-01109114810.3390/pathogens10091148Diversity and Epidemiology of Bat Trypanosomes: A One Health PerspectiveJill M. Austen0Amanda D. Barbosa1Centre for Biosecurity and One Health, Harry Butler Institute, Murdoch University, Murdoch, WA 6150, AustraliaCentre for Biosecurity and One Health, Harry Butler Institute, Murdoch University, Murdoch, WA 6150, AustraliaBats (order Chiroptera) have been increasingly recognised as important reservoir hosts for human and animal pathogens worldwide. In this context, molecular and microscopy-based investigations to date have revealed remarkably high diversity of <i>Trypanosoma</i> spp. harboured by bats, including species of recognised medical and veterinary importance such as <i>Trypanosoma cruzi</i> and <i>Trypanosoma evansi</i> (aetiological agents of Chagas disease and Surra, respectively). This review synthesises current knowledge on the diversity, taxonomy, evolution and epidemiology of bat trypanosomes based on both molecular studies and morphological records. In addition, we use a One Health approach to discuss the significance of bats as reservoirs (and putative vectors) of <i>T. cruzi</i>, with a focus on the complex associations between intra-specific genetic diversity and eco-epidemiology of <i>T. cruzi</i> in sylvatic and domestic ecosystems. This article also highlights current knowledge gaps on the biological implications of trypanosome co-infections in a single host, as well as the prevalence, vectors, life-cycle, host-range and clinical impact of most bat trypanosomes recorded to date. Continuous research efforts involving molecular surveillance of bat trypanosomes are required for improved disease prevention and control, mitigation of biosecurity risks and potential spill-over events, ultimately ensuring the health of humans, domestic animals and wildlife globally.https://www.mdpi.com/2076-0817/10/9/1148bat<i>Trypanosoma</i>diversitymolecular epidemiologytransmission cyclezoonosis
spellingShingle Jill M. Austen
Amanda D. Barbosa
Diversity and Epidemiology of Bat Trypanosomes: A One Health Perspective
Pathogens
bat
<i>Trypanosoma</i>
diversity
molecular epidemiology
transmission cycle
zoonosis
title Diversity and Epidemiology of Bat Trypanosomes: A One Health Perspective
title_full Diversity and Epidemiology of Bat Trypanosomes: A One Health Perspective
title_fullStr Diversity and Epidemiology of Bat Trypanosomes: A One Health Perspective
title_full_unstemmed Diversity and Epidemiology of Bat Trypanosomes: A One Health Perspective
title_short Diversity and Epidemiology of Bat Trypanosomes: A One Health Perspective
title_sort diversity and epidemiology of bat trypanosomes a one health perspective
topic bat
<i>Trypanosoma</i>
diversity
molecular epidemiology
transmission cycle
zoonosis
url https://www.mdpi.com/2076-0817/10/9/1148
work_keys_str_mv AT jillmausten diversityandepidemiologyofbattrypanosomesaonehealthperspective
AT amandadbarbosa diversityandepidemiologyofbattrypanosomesaonehealthperspective