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Duffy SC, Lupien A, Elhaji Y, Farag M, Marcus V, Behr MA. Establishment of persistent enteric mycobacterial infection following streptomycin pre-treatment. Gut Pathog 2023; 15:46. [PMID: 37789445 PMCID: PMC10546655 DOI: 10.1186/s13099-023-00573-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 09/21/2023] [Indexed: 10/05/2023] Open
Abstract
Mycobacterium avium subsp. paratuberculosis (MAP) is the causative agent of paratuberculosis, a chronic gastrointestinal disease affecting ruminants. This disease remains widespread in part due to the limitations of available diagnostics and vaccines. A representative small animal model of disease could act as a valuable tool for studying its pathogenesis and to develop new methods for paratuberculosis control, but current models are lacking. Streptomycin pre-treatment can reduce colonization resistance and has previously been shown to improve enteric infection in a Salmonella model. Here, we investigated whether streptomycin pre-treatment of mice followed by MAP gavage could act as a model of paratuberculosis which mimics the natural route of infection and disease development in ruminants. The infection outcomes of MAP were compared to M. avium subsp. hominissuis (MAH), an environmental mycobacterium, and M. bovis and M. orygis, two tuberculous mycobacteria. Streptomycin pre-treatment was shown to consistently improve bacterial infection post-oral inoculation. This model led to chronic MAP infection of the intestines and mesenteric lymph nodes (MLNs) up to 24-weeks post-gavage, however there was no evidence of inflammation or disease. These infection outcomes were found to be specific to MAP. When the model was applied to a bacterium of lesser virulence MAH, the infection was comparatively transient. Mice infected with bacteria of greater virulence, M. bovis or M. orygis, developed chronic intestinal and MLN infection with pulmonary disease similar to zoonotic TB. Our findings suggest that a streptomycin pre-treatment mouse model could be applied to future studies to improve enteric infection with MAP and to investigate other modifications underlying MAP enteritis.
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Affiliation(s)
- Shannon C Duffy
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
- McGill International TB Centre, Montreal, QC, Canada
- The Infectious Diseases and Immunity in Global Health Program, The Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Andréanne Lupien
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
- McGill International TB Centre, Montreal, QC, Canada
- The Infectious Diseases and Immunity in Global Health Program, The Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Department of Medicine, McGill University, Montreal, QC, Canada
| | - Youssef Elhaji
- Diagnostic Genomic Division, Department of Laboratory Medicine and Pathology, Hamad Medical Corporation, Doha, Qatar
| | - Mina Farag
- Department of Pathology, McGill University, Montreal, QC, Canada
- Department of Laboratory Medicine, Division of Pathology, McGill University Health Center, Montreal, QC, Canada
| | - Victoria Marcus
- Department of Pathology, McGill University, Montreal, QC, Canada
- Department of Laboratory Medicine, Division of Pathology, McGill University Health Center, Montreal, QC, Canada
| | - Marcel A Behr
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada.
- McGill International TB Centre, Montreal, QC, Canada.
- The Infectious Diseases and Immunity in Global Health Program, The Research Institute of the McGill University Health Centre, Montreal, QC, Canada.
- Department of Medicine, McGill University, Montreal, QC, Canada.
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Varela-Castro L, Torrontegi O, Sevilla IA, Barral M. Detection of Wood Mice ( Apodemus sylvaticus) Carrying Non-Tuberculous Mycobacteria Able to Infect Cattle and Interfere with the Diagnosis of Bovine Tuberculosis. Microorganisms 2020; 8:microorganisms8030374. [PMID: 32155849 PMCID: PMC7143357 DOI: 10.3390/microorganisms8030374] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/28/2020] [Accepted: 03/04/2020] [Indexed: 12/28/2022] Open
Abstract
Mycobacterial infections caused by the Mycobacterium tuberculosis complex (MTC) and non-tuberculous mycobacteria (NTM) are of great medical and veterinary relevance. The aim of this research was to study whether small mammals play a role in the epidemiology of mycobacterioses. Four samplings of 100 traps were performed in each of three cattle farms with previous history of tuberculosis or NTM between 2017 and 2018. A total of 108 animals belonging to seven species were trapped, classified, and necropsied, and tissues were submitted to microbiological and molecular methods for mycobacteria identification. The wood mouse (Apodemus sylvaticus) was the most abundant species (87%). No MTC was detected but six different NTM were identified (M. intracellulare, M. avium subsp. paratuberculosis, M. gordonae, M. celatum, M. fortuitum, and a not determined Mycobacterium sp.), showing a prevalence of 6.5%. No significant association was found between mycobacteria prevalence and the analyzed factors. Although a role in the epidemiology of MTC could not be attributed to small mammals, A. sylvaticus carries NTM that could be pathogenic or interfere with the diagnosis of tuberculosis. According to our results, there is a risk of NTM transmission at the wildlife–livestock interface through potential indirect contacts between small mammals and cattle.
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Ready Experimental Translocation of Mycobacterium canettii Yields Pulmonary Tuberculosis. Infect Immun 2017; 85:IAI.00507-17. [PMID: 28923895 DOI: 10.1128/iai.00507-17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 09/14/2017] [Indexed: 11/20/2022] Open
Abstract
Mycobacterium canettii, which has a smooth colony morphology, is the tuberculous organism retaining the most genetic traits from the putative last common ancestor of the rough-morphology Mycobacterium tuberculosis complex. To explore whether M. canettii can infect individuals by the oral route, mice were fed phosphate-buffered saline or 106M. canettii mycobacteria and sacrificed over a 28-day experiment. While no M. canettii was detected in negative controls, M. canettii-infected mice yielded granuloma-like lesions for 4/4 lungs at days 14 and 28 postinoculation (p.i.) and positive PCR detection of M. canettii for 5/8 mesenteric lymph nodes at days 1 and 3 p.i. and 5/6 pooled stools collected from day 1 to day 28 p.i. Smooth M. canettii colonies grew from 68% of lungs and 36% of spleens and cervical lymph nodes but fewer than 20% of axillary lymph nodes, livers, brown fat samples, kidneys, or blood samples throughout the 28-day experiment. Ready translocation in mice after digestive tract challenge demonstrates the potential of ingested M. canettii organisms to relocate to distant organs and lungs. The demonstration of this relocation supports the possibility that populations may be infected by environmental M. canettii.
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Lapierre SG, Fellag M, Magan C, Drancourt M. Mycobacterium malmoense pulmonary infection in France: a case report. BMC Res Notes 2017; 10:436. [PMID: 28859675 PMCID: PMC5580279 DOI: 10.1186/s13104-017-2753-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 08/23/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Mycobacterium malmoense infections have frequently been reported in northern Europe since the late 1970s. Factors accounting for this geographically localized epidemiology remain poorly understood. CASE PRESENTATION We report the case of a 54-year old man concomitantly diagnosed with non-small cell lung carcinoma and M. malmoense pulmonary infection. We present detailed clinical, microbiological and radiological elements strongly arguing for M. malmoense true pathogenicity. Since M. malmoense infection has rarely been reported in France, we also provide elements of the epidemiological investigation and a literature review of potential acquisition and transmission pathways of M. malmoense. We detail therapeutic interventions and subsequent favorable evolution. CONCLUSION Mycobacterium malmoense is a recognized respiratory pathogen for which routes of infection need to be better investigated.
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Affiliation(s)
- Simon Grandjean Lapierre
- Aix-Marseille Université, URMITE, UMR CNRS 7278, IRD 198, INSERM 1095-IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France
| | - Mustapha Fellag
- Aix-Marseille Université, URMITE, UMR CNRS 7278, IRD 198, INSERM 1095-IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France
| | - Célia Magan
- Aix-Marseille Université, URMITE, UMR CNRS 7278, IRD 198, INSERM 1095-IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France
| | - Michel Drancourt
- Aix-Marseille Université, URMITE, UMR CNRS 7278, IRD 198, INSERM 1095-IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France.
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Mycobacterium bovis-infected macrophages from resistant and susceptible cattle exhibited a differential pro-inflammatory gene expression profile depending on strain virulence. Vet Immunol Immunopathol 2016; 176:34-43. [DOI: 10.1016/j.vetimm.2016.02.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 01/05/2016] [Accepted: 02/24/2016] [Indexed: 11/18/2022]
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Surveillance and movements of Virginia opossum (Didelphis virginiana) in the bovine tuberculosis region of Michigan. Epidemiol Infect 2013; 141:1498-508. [DOI: 10.1017/s0950268813000629] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
SUMMARYWildlife reservoir hosts of bovine tuberculosis (bTB) include Eurasian badgers (Meles meles) and brushtail possum (Trichosurus vulpecula) in the UK and New Zealand, respectively. Similar species warrant further investigation in the northern lower peninsula of Michigan, USA due to the continued presence of bTB on cattle farms. Most research in Michigan, USA has focused on interactions between white-tailed deer (Odocoileus virginianus) and cattle (Bos taurus) for the transmission of the infectious agent of bTB, Mycobacterium bovis, due to high deer densities and feeding practices. However, limited data are available on medium-sized mammals such as Virginia opossum (Didelphis virginiana; hereafter referred to as opossum) and their movements and home range in Michigan near cattle farms. We conducted surveillance of medium-sized mammals on previously depopulated cattle farms for presence of M. bovis infections and equipped opossum with Global Positioning System (GPS) technology to assess potential differences in home range between farms inside and outside the bTB core area that has had cattle test positive for M. bovis. On farms inside the bTB core area, prevalence in opossum was comparable [6%, 95% confidence interval (CI) 2·0–11·0] to prevalence in raccoon (Procyon lotor; 4%, 95% CI 1·0–9·0, P = 0·439) whereas only a single opossum tested positive for M. bovis on farms outside the bTB core area. The prevalence in opossum occupying farms that had cattle test positive for M. bovis was higher (6·4%) than for opossum occupying farms that never had cattle test positive for M. bovis (0·9%, P = 0·01). Mean size of home range for 50% and 95% estimates were similar by sex (P = 0·791) both inside or outside the bTB core area (P = 0·218). Although surveillance efforts and home range were not assessed on the same farms, opossum use of farms near structures was apparent as was selection for farms over surrounding forested habitats. The use of farms, stored feed, and structures by opossum, their ability to serve as vectors of M. bovis, and their propensity to ingest contaminated sources of M. bovis requires additional research in Michigan, USA.
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Walter WD, Anderson CW, Smith R, Vanderklok M, Averill JJ, VerCauteren KC. On-farm mitigation of transmission of tuberculosis from white-tailed deer to cattle: literature review and recommendations. Vet Med Int 2012; 2012:616318. [PMID: 22991687 PMCID: PMC3444046 DOI: 10.1155/2012/616318] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Revised: 07/16/2012] [Accepted: 07/17/2012] [Indexed: 11/17/2022] Open
Abstract
The Animal Industry Division of the Michigan Department of Agriculture and Rural Development (MDARD) has been challenged with assisting farmers with modifying farm practices to reduce potential for exposure to Mycobacterium bovis from wildlife to cattle. The MDARD recommendations for on-farm risk mitigation practices were developed from experiences in the US, UK and Ireland and a review of the scientific literature. The objectives of our study were to review the present state of knowledge on M. bovis excretion, transmission, and survival in the environment and the interactions of wildlife and cattle with the intention of determining if the current recommendations by MDARD on farm practices are adequate and to identify additional changes to farm practices that may help to mitigate the risk of transmission. This review will provide agencies with a comprehensive summary of the scientific literature on mitigation of disease transmission between wildlife and cattle and to identify lacunae in published research.
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Affiliation(s)
- W. David Walter
- National Wildlife Research Center, Animal and Plant Health Inspection Services, United States Department of Agriculture, 4101 LaPorte Ave, Fort Collins, CO 80521, USA
- US Geological Survey, Pennsylvania Cooperative Fish and Wildlife Research Unit, Pennsylvania State University, 403 Forest Resources Building, University Park, PA 16802, USA
| | - Charles W. Anderson
- National Wildlife Research Center, Animal and Plant Health Inspection Services, United States Department of Agriculture, 4101 LaPorte Ave, Fort Collins, CO 80521, USA
- Missouri Department of Conservation, Resource Science Division, 551 Joe Jones Boulevard, West Plains, MO 65775, USA
| | - Rick Smith
- Animal Industry Division, Michigan Department of Agriculture and Rural Development, Lansing, MI 48909, USA
| | - Mike Vanderklok
- Animal Industry Division, Michigan Department of Agriculture and Rural Development, Lansing, MI 48909, USA
| | - James J. Averill
- Animal Industry Division, Michigan Department of Agriculture and Rural Development, Lansing, MI 48909, USA
| | - Kurt C. VerCauteren
- National Wildlife Research Center, Animal and Plant Health Inspection Services, United States Department of Agriculture, 4101 LaPorte Ave, Fort Collins, CO 80521, USA
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O’Brien DJ, Schmitt SM, Fitzgerald SD, Berry DE. Management of bovine tuberculosis in Michigan wildlife: Current status and near term prospects. Vet Microbiol 2011; 151:179-87. [PMID: 21414734 DOI: 10.1016/j.vetmic.2011.02.042] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Durnez L, Katakweba A, Sadiki H, Katholi CR, Kazwala RR, Machang'u RR, Portaels F, Leirs H. Mycobacteria in terrestrial small mammals on cattle farms in Tanzania. Vet Med Int 2011; 2011:495074. [PMID: 21785686 PMCID: PMC3139188 DOI: 10.4061/2011/495074] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Revised: 03/12/2011] [Accepted: 04/01/2011] [Indexed: 12/02/2022] Open
Abstract
The control of bovine tuberculosis and atypical mycobacterioses in cattle in developing countries is important but difficult because of the existence of wildlife reservoirs. In cattle farms in Tanzania, mycobacteria were detected in 7.3% of 645 small mammals and in cow's milk. The cattle farms were divided into “reacting” and “nonreacting” farms, based on tuberculin tests, and more mycobacteria were present in insectivores collected in reacting farms as compared to nonreacting farms. More mycobacteria were also present in insectivores as compared to rodents. All mycobacteria detected by culture and PCR in the small mammals were atypical mycobacteria. Analysis of the presence of mycobacteria in relation to the reactor status of the cattle farms does not exclude transmission between small mammals and cattle but indicates that transmission to cattle from another source of infection is more likely. However, because of the high prevalence of mycobacteria in some small mammal species, these infected animals can pose a risk to humans, especially in areas with a high HIV-prevalence as is the case in Tanzania.
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Affiliation(s)
- Lies Durnez
- Evolutionary Ecology Group, Department of Biology, University of Antwerp, 2020 Antwerp, Belgium
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Aguilar León D, Zumárraga MJ, Jiménez Oropeza R, Gioffré AK, Bernardelli A, Orozco Estévez H, Cataldi AA, Hernández Pando R. Mycobacterium bovis with different genotypes and from different hosts induce dissimilar immunopathological lesions in a mouse model of tuberculosis. Clin Exp Immunol 2009; 157:139-47. [PMID: 19659779 DOI: 10.1111/j.1365-2249.2009.03923.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
With the hypothesis that genetic variability of Mycobacterium bovis could influence virulence and immunopathology, five M. bovis strains were selected from an epidemiological study in Argentina on the basis of their prevalence in cattle and occurrence in other species. We then determined the virulence and the immunopathology evoked by these strains in a well-characterized mouse model of progressive pulmonary tuberculosis. The reference strain AN5 was used as a control. BALB/c mice infected with this M. bovis reference strain showed 50% survival after 4 months of infection, with moderate bacillary counts in the lung. Two weeks after inoculation, it induced a strong inflammatory response with numerous granulomas and progressive pneumonia. In contrast, strain 04-303, isolated from a wild boar, was the most lethal and its most striking feature was sudden pneumonia with extensive necrosis. Strain 04-302, also isolated from wild boar but with a different spoligotype, induced similar pathology but to a lesser extent. In contrast, strains 534, V2 (both from cattle) and 02-2B (from human) were less virulent, permitting higher survival after 4 months of infection and limited tissue damage. Strain AN5 and the cattle and human isolates induced rapid, high and stable expression of interferon (IFN)-gamma and inducible nitric oxide synthase (iNOS). In contrast, the more virulent strains induced lower expression of IFN-gamma, tumour necrosis factor-alpha and iNOS. Interestingly, these more virulent strains induced very low expression of murine beta defensin 4 (mBD-4); whereas, the control strain AN5 induced progressive expression of this anti-microbial peptide, peaking at day 120. The less virulent strains induced high mBD-4 expression during early infection. Thus, as reported with clinical isolates of M. tuberculosis, M. bovis also showed variable virulence. This variability can be attributed to the induction of a different pattern of immune response.
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Affiliation(s)
- D Aguilar León
- Experimental Pathology Section, Department of Pathology, National Institute of Medical Sciences and Nutrition, Salvador Zubirán, Mexico City, México
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