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Carneiro PAM, Pasquatti TN, Lima DAR, Rodrigues RA, Takatani H, Silva CBDG, Jardim R, Abramovitch RB, Wilkins MJ, Davila AMR, Araujo FR, Kaneene JB. Milk Contamination by Mycobacterium tuberculosis Complex, Implications for Public Health in Amazonas, Brazil. J Food Prot 2022; 85:1667-1673. [PMID: 34788443 DOI: 10.4315/jfp-21-303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/29/2021] [Indexed: 11/11/2022]
Abstract
ABSTRACT In Brazil, contamination of raw milk with Mycobacterium tuberculosis complex (MTC) has been reported in several states. The highest rate of consumption of raw milk and its derivatives in Brazil occurs in Amazonas. This state also has the highest prevalence of tuberculosis in both humans and livestock. We assessed the contamination of cow's milk and buffalo's milk with MTC in Amazonas, focusing on Mycobacterium bovis, the species most commonly found in cattle and buffalo. In 2019, 250 samples of raw milk (91 from cattle, 159 from buffalo) were collected before processing from three milk plants in the state of Amazonas. The samples were placed into 21 pools and analyzed using shotgun metagenomic sequencing and taxonomic classification with Kraken 2 and MegaBLAST. To confirm the identity of mycobacterial species found, BLASTN was used to identify specific genomic positions in the TbD1 and RD1 regions and flanking RD4 region. MTC genetic material was identified in all pools of raw milk. Genetic material consistent with M. bovis was identified in seven pools of raw milk (1 from cattle, 6 from buffalo). Buffalo's milk had significantly higher MTC reads than did cow's milk. The common practice of consumption of raw milk and its derivatives in Amazonas presents a risk to public health. Urgent measures to prevent transmission of foodborne tuberculosis are needed in the Amazon region. Greater efforts and resources also should be directed toward elimination of bovine tuberculosis in cattle and buffalo herds in Amazonas and the rest of Brazil. HIGHLIGHTS
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Affiliation(s)
- P A M Carneiro
- Center for Comparative Epidemiology, Michigan State University, East Lansing, Michigan 48824, USA.,Amazonas State Federal Institute of Science and Technology, Av. Cosme Ferreira, 8045, Manaus, Amazonas, Brazil
| | - T N Pasquatti
- Dom Bosco Catholic University, Avenida Tamandaré 6000, Jardim Seminário, Campo Grande, Mato Grosso do Sul, 79117-900, Brazil
| | - D A R Lima
- Federal University of Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | - R A Rodrigues
- Embrapa Gado de Corte, Av. Radio Maia, 830 Vila Popular, Campo Grande, Mato Grosso do Sul, 79106-550, Brazil
| | - H Takatani
- Amazonas State Agro Defense Agency, Av. Carlos Drummond de Andrade, 1.460, Bloco G, Manaus, Amazonas, 69077-730, Brazil
| | - C B D G Silva
- Amazonas State Agro Defense Agency, Av. Carlos Drummond de Andrade, 1.460, Bloco G, Manaus, Amazonas, 69077-730, Brazil
| | - R Jardim
- Computational and Systems Biology Laboratory, Oswaldo Cruz Institute and Graduate Program in Biodiversity and Health, FIOCRUZ, Rio de Janeiro, Brazil
| | - R B Abramovitch
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan 48824, USA
| | - M J Wilkins
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan 48824, USA
| | - A M R Davila
- Computational and Systems Biology Laboratory, Oswaldo Cruz Institute and Graduate Program in Biodiversity and Health, FIOCRUZ, Rio de Janeiro, Brazil
| | - F R Araujo
- Embrapa Gado de Corte, Av. Radio Maia, 830 Vila Popular, Campo Grande, Mato Grosso do Sul, 79106-550, Brazil
| | - J B Kaneene
- Center for Comparative Epidemiology, Michigan State University, East Lansing, Michigan 48824, USA
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Güven Gökmen T, Yakici G, Kalayci Y, Turut N, Meral Ocal M, Haligür M, Günaydin E, Köksal F. Molecular characterization of Mycobacterium bovis strains isolated from cattle and humans by spoligotyping and 24-locus MIRU-VNTR, and prevalence of positive IGRA in slaughterhouse workers in Southern Turkey. Iran J Vet Res 2022; 23:210-218. [PMID: 36425601 PMCID: PMC9681978 DOI: 10.22099/ijvr.2022.42580.6186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/09/2022] [Accepted: 06/11/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Mycobacterium bovis is a zoonotic member of the Mycobacterium tuberculosis complex with a wide range of hosts, mainly cattle. Molecular epidemiological studies should be conducted to determine the transmission route, zoonotic risk factors, and phylogenetic relationships of M. bovis strains. Aims: This study aimed to characterize bovine and human M. bovis isolates by molecular methods. METHODS Molecular characterization and clonal relationship of strains isolated from tissue and organ samples of 76 cattle with positive tuberculin tests were collected from a slaughterhouse, and four M. bovis strains isolated from clinical materials of patients with suspected pulmonary TB isolates were analyzed using 24-locus MIRU-VNTR and spoligotyping methods. QuantiFERON-TB Gold Plus (QFT-Plus; Qiagen) was used to determine the prevalence of latent TB infection among 21 slaughterhouse personnel including 7 veterinarians, 12 butchers, 1 caretaker, and 1 veterinary technician. RESULTS SB0288/SIT685 type was detected in both cattle and humans by the spoligotyping method. When evaluating MIRU-VNTR, the presence of a 100% compatible pattern between human and bovine isolates was not detected, but some human samples were found to be 91.6% similar to a bovine sample. In addition, 21 slaughterhouse workers were screened with the interferon gamma-released assay (IGRA) and a 23.8% positivity was detected. CONCLUSION Clonal similarity was determined between the bovine and human isolates using the MIRU-VNTR and spoligotyping methods and IGRA positivity in the occupational group suggested that M. bovis might be associated with pulmonary tuberculosis in humans.
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Affiliation(s)
- T. Güven Gökmen
- Department of Microbiology, Ceyhan Veterinary Faculty, Cukurova University, 01330, Adana, Turkey
| | - G. Yakici
- Tuberculosis Region Laboratory, Tropical Disease and Research Center, Cukurova University, 01330, Adana, Turkey
| | - Y. Kalayci
- Microbiology Laboratory, Adana City Hospital, 01230, Adana, Turkey
| | - N. Turut
- MSc, Microbiology Laboratory, Adana Veterinary Control Institute, 01250, Adana, Turkey
| | - M. Meral Ocal
- Department of Microbiology, Medicine Faculty, Cukurova University, 01330, Adana, Turkey
| | - M. Haligür
- Department of Pathology, Ceyhan Veterinary Faculty, Cukurova University, 01330, Adana, Turkey
| | - E. Günaydin
- Department of Microbiology, Veterinary Faculty, Kastamonu University, 37150, Kastamonu, Turkey
| | - F. Köksal
- Department of Microbiology, Medicine Faculty, Cukurova University, 01330, Adana, Turkey
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de Melo EH, Gomes HM, Suffys PN, Lopes MQP, de Figueiredo Teixeira RL, Dos Santos ÍR, Franco MMJ, Langoni H, Paes AC, Afonso JAB, de Mendonça CL. Genotypic Characterization of Mycobacterium bovis Isolates From Dairy Cattle Diagnosed With Clinical Tuberculosis. Front Vet Sci 2021; 8:747226. [PMID: 34708105 PMCID: PMC8542897 DOI: 10.3389/fvets.2021.747226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 08/31/2021] [Indexed: 11/30/2022] Open
Abstract
Molecular diagnosis of bovine tuberculosis plays an essential role in the epidemiological knowledge of the disease. Bovine tuberculosis caused by Mycobacterium bovis represents a risk to human health. This study aimed to perform the genotypic characterization of M. bovis isolated from bovines diagnosed as tuberculosis from dairy herds in the state of Pernambuco, Brazil. Granulomas from 30 bovines were sent for microbiological culture, and colonies compatible with Mycobacterium spp. were obtained in at least one culture from 17/30 granulomas. All isolates were confirmed to be M. bovis by spoligotyping and 24loci MIRU-VNTR typing. While spoligotyping characterized the isolates as SB0121, SB0295, SB0852, SB0120, and an unclassified genotype, 24loci MIRU-VNTR rendered two clusters of two isolates each and 13 unique profiles. Loci ETR-A showed higher discriminatory power, and loci (ETR-B, ETR-C, MIRU16, MIRU27, and QUB26) showed moderate allelic diversity. This is the first study on the genetic variability of the infectious agent cause of bovine TB in Pernambuco and demonstrates variability of strains in the state. Thus, it corroborates the importance of this microorganism as agent of bovine tuberculosis and its zoonotic potential, this epidemiological tool being a determinant in the rigor of the sanitary practices of disease control in dairy herds.
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Affiliation(s)
| | - Harrison Magdinier Gomes
- Laboratório de Biologia Molecular Aplicada à Micobactérias, Fundação Oswaldo Cruz, Laboratório de Biologia Molecular Aplicada à Micobactérias, Rio de Janeiro, Brazil
| | - Philip Noel Suffys
- Laboratório de Biologia Molecular Aplicada à Micobactérias, Fundação Oswaldo Cruz, Laboratório de Biologia Molecular Aplicada à Micobactérias, Rio de Janeiro, Brazil
| | - Márcia Quinhones Pires Lopes
- Laboratório de Biologia Molecular Aplicada à Micobactérias, Fundação Oswaldo Cruz, Laboratório de Biologia Molecular Aplicada à Micobactérias, Rio de Janeiro, Brazil
| | - Raquel Lima de Figueiredo Teixeira
- Laboratório de Biologia Molecular Aplicada à Micobactérias, Fundação Oswaldo Cruz, Laboratório de Biologia Molecular Aplicada à Micobactérias, Rio de Janeiro, Brazil
| | - Ícaro Rodrigues Dos Santos
- Laboratório de Biologia Molecular Aplicada à Micobactérias, Fundação Oswaldo Cruz, Laboratório de Biologia Molecular Aplicada à Micobactérias, Rio de Janeiro, Brazil
| | - Marília Masello Junqueira Franco
- Departamento de Higiene Veterinária e Saúde Pública, Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
| | - Helio Langoni
- Departamento de Higiene Veterinária e Saúde Pública, Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
| | - Antonio Carlos Paes
- Departamento de Higiene Veterinária e Saúde Pública, Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
| | | | - Carla Lopes de Mendonça
- Clínica de Bovinos de Garanhuns, Universidade Federal Rural de Pernambuco, Garanhuns, Brazil
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Schwarz DGG, de Sousa Júnior PF, Saraiva da Silva L, Polveiro RC, de Oliveira JF, Faria MPO, Marinho GLOC, de Oliveira RP, Moreira MAS. Spatiotemporal distribution and temporal trends of brucellosis and tuberculosis in water buffalo (Bubalus bubalis) in Brazil. Prev Vet Med 2021; 193:105417. [PMID: 34192652 DOI: 10.1016/j.prevetmed.2021.105417] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 06/13/2021] [Accepted: 06/21/2021] [Indexed: 10/21/2022]
Abstract
The buffalo herds in Brazil have been an alternative for increasing the economy in different biomes. For this reason, knowledge of the spatial distribution of diseases of mandatory notification in buffalo herds, such as brucellosis and tuberculosis, is essential to guarantee the quality of exported animal products, as well as assist in strategies of national control and eradication programs. In the present study, we aimed to evaluate the spatiotemporal distribution and temporal trends of brucellosis and tuberculosis in buffalo in Brazilian states between 2012-2019. During this period, 474 cases of brucellosis and 604 cases of tuberculosis were observed in buffalo in Brazil, with no significant differences between the total number of cases and incidence risk. The spatial distribution for the states was mostly heterogeneous, showing similarities of occurrences for both diseases in the south, north, and the states of Minas Gerais and Pernambuco. In the eight years evaluated, tuberculosis showed cyclical variation every 1-2 years; however, for brucellosis, there was a cyclical trend only between 2012-2015, with a significant decrease until 2018. Among Brazilian states, Pará had greater disease case numbers, with 34 % for brucellosis and 40.6 % for tuberculosis. Temporal trend analysis showed an increase for Pernambuco (annual percentage change [APC]: 21.0 [CI = 20.3; 21.8]), Paraná (APC: 27.1 [CI = 5.6; 53.0]), and Santa Catarina (APC: 10.4 [CI = 0.8; 21.0]) for brucellosis, and for tuberculosis, only for Santa Catarina state (APC: 24.1 [CI = 15.5; 33.3]). Spatiotemporally, there were four high-risk brucellosis clusters with a primary cluster, cluster A (relative risk [RRs] = 53.42, P < 0.001), involving the state of Amazonas between 2014-2015. For tuberculosis, there were three states of high risk, with a primary cluster, cluster E (RRs = 28.18, P < 0.001), involving the states of Pará, Roraima, Amazonas, Rondônia, and Acre in 2014. In conclusion, brucellosis and tuberculosis in buffalo in Brazil are heterogeneously distributed, with well-defined regions of high historical risk of infection. Among these regions, the states of Amazonas, Pará, Amapá, and Minas Gerais stand out due to the higher risk of infection for both brucellosis and tuberculosis, alerting Brazilian authorities to the need for disease control actions.
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Rodrigues RDA, Ribeiro Araújo F, Rivera Dávila AM, Etges RN, Parkhill J, van Tonder AJ. Genomic and temporal analyses of Mycobacterium bovis in southern Brazil. Microb Genom 2021; 7. [PMID: 34016251 PMCID: PMC8209730 DOI: 10.1099/mgen.0.000569] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Mycobacterium bovis is a causal agent of bovine tuberculosis (bTB), one of the most important diseases currently facing the cattle industry worldwide. Tracing the source of M. bovis infections of livestock is an important tool for understanding the epidemiology of bTB and defining control/eradication strategies. In this study, whole genome sequencing (WGS) of 74 M. bovis isolates sourced from naturally infected cattle in the State of Rio Grande do Sul (RS), southern Brazil, was used to evaluate the population structure of M. bovis in the region, identify potential transmission events and date the introduction of clonal complex (CC) European 2 (Eu2). In silico spoligotyping identified 11 distinct patterns including four new profiles and two CCs, European 1 (Eu1) and Eu2. The analyses revealed a high level of genetic diversity in the majority of herds and identified putative transmission clusters that suggested that within- and between-herd transmission is occurring in RS. In addition, a comparison with other published M. bovis isolates from Argentina, Brazil, Paraguay and Uruguay demonstrated some evidence for a possible cross-border transmission of CC Eu1 into RS from Uruguay or Argentina. An estimated date for the introduction of CC Eu2 into RS in the middle of the 19th century correlated with the historical introduction of cattle into RS to improve existing local breeds. These findings contribute to the understanding of the population structure of M. bovis in southern Brazil and highlight the potential of WGS in surveillance and helping to identify bTB transmission.
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Affiliation(s)
- Rudielle de Arruda Rodrigues
- Postgraduate Program in Veterinary Science, Faculty of Veterinary Medicine and Animal Science, Federal University of Mato Grosso do Sul, Campo Grande, Brazil
| | | | - Alberto Martín Rivera Dávila
- Computational and Systems Biology Laboratory, Graduate Program in Biodiversity and Health, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | | | - Julian Parkhill
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
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Carneiro PAM, de Moura Sousa E, Viana RB, Monteiro BM, do Socorro Lima Kzam A, de Souza DC, Coelho AS, Filho JDR, Jordao RS, Tavares MRM, Kaneene JB. Study on supplemental test to improve the detection of bovine tuberculosis in individual animals and herds. BMC Vet Res 2021; 17:137. [PMID: 33789652 PMCID: PMC8011399 DOI: 10.1186/s12917-021-02839-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 03/16/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Bovine tuberculosis (bTB), is a worldwide disease caused by Mycobacterium bovis (M. bovis). The success of bTB eradication and control programs is based on early detection and the removal of reactors from a herd thus routine testing and cull strategy have been applied globally. Since the late nineteenth century, the Tuberculin Skin Test (TST) has been the primary antemortem test available to support bTB eradication campaigns. Due to the TST limitations in terms of Se and Sp, the credibility of the diagnosis is frequently questioned given the occurrence of false-positive and false-negative reactions, therefore, it is necessary to confirm reactive animals using other methods, ensuring the reliability of the diagnosis. The aim of this study was to evaluate the sensitivity and specificity of a multiplex enzyme-linked immunosorbent assay (ELISA) relative to the tuberculin test used for the diagnosis of tuberculosis in cattle in Brazil. RESULTS Lack of agreement between comparative cervical tuberculin test and ELISA IDEXX TM was observed. The 2 animals positive on the comparative cervical tuberculin test did not react at the ELISA IDEXX TM and 22 negative reactors by comparative cervical tuberculin test were positive by the ELISA IDEXX TM. The ELISA IDEXX TM showed sensitivity that is significantly lower than the official screening test the single cervical tuberculin. ELISA IDEXX TM also detected infected animals and herds undetected by the comparative cervical tuberculin test. The parallel use of comparative cervical tuberculin test and ELISA IDEXX TM increased sensitivity and the feasibility bTB screening. CONCLUSIONS The results obtained here suggest that the ELISA IDEXX TM may be a supplemental test for the detection of Mycobacterium bovis infection in regions without routine testing and slaughter, where the disease generally progresses to more advanced stages and antibody responses are likely to be more prevalent. Evidence to support the validation of the ELISA IDEXX™ as a supplemental test for bTB eradication programs was provided.
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Affiliation(s)
- Paulo Alex Machado Carneiro
- Amazonas State Federal Institute of Science and Technology, Manaus East Zone Campus (IFAM/ CMZL), Manaus, Brazil.,Center for Comparative Epidemiology, College of Veterinary Medicine, Michigan State University, East Lansing, USA
| | | | - Rinaldo Batista Viana
- Graduate Program in Animal Reproduction, Institute of Health and Animal Production, Federal Rural University of the Amazon, Belem, Brazil
| | - Bruno Moura Monteiro
- Graduate Program in Animal Reproduction, Institute of Health and Animal Production, Federal Rural University of the Amazon, Belem, Brazil
| | | | - Damazio Campos de Souza
- Research Group on Andrology, Artificial Insemination, Health and Genetic Improvement of Cattle and Buffaloes, Amazon, Brazil
| | - Anderson Silva Coelho
- Graduate Program in Animal Reproduction, Institute of Health and Animal Production, Federal Rural University of the Amazon, Belem, Brazil
| | | | | | | | - John B Kaneene
- Center for Comparative Epidemiology, College of Veterinary Medicine, Michigan State University, East Lansing, USA.
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Carneiro PA, Zimpel CK, Pasquatti TN, Silva-Pereira TT, Takatani H, Silva CBDG, Abramovitch RB, Sa Guimaraes AM, Davila AMR, Araujo FR, Kaneene JB. Genetic Diversity and Potential Paths of Transmission of Mycobacterium bovis in the Amazon: The Discovery of M. bovis Lineage Lb1 Circulating in South America. Front Vet Sci 2021; 8:630989. [PMID: 33665220 PMCID: PMC7921743 DOI: 10.3389/fvets.2021.630989] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 01/15/2021] [Indexed: 11/13/2022] Open
Abstract
Bovine tuberculosis (bTB) has yet to be eradicated in Brazil. Herds of cattle and buffalo are important sources of revenue to people living in the banks of the Amazon River basin. A better understanding of Mycobacterium bovis (M. bovis) populational structure and transmission dynamics affecting these animals can significantly contribute in efforts to improve their sanitary status. Herein, we sequenced the whole genome of 22 M. bovis isolates (15 from buffalo and 7 from cattle) from 10 municipalities in the region of the Lower Amazon River Basin in Brazil and performed phylogenomic analysis and Single Nucleotide Polymorphism (SNP)-based transmission inference to evaluate population structure and transmission networks. Additionally, we compared these genomes to others obtained in unrelated studies in the Marajó Island (n = 15) and worldwide (n = 128) to understand strain diversity in the Amazon and to infer M. bovis lineages. Our results show a higher genomic diversity of M. bovis genomes obtained in the Lower Amazon River region when compared to the Marajó Island, while no significant difference was observed between M. bovis genomes obtained from cattle and buffalo (p ≥ 0.05). This high genetic diversity is reflected by the weak phylogenetic clustering of M. bovis from the Lower Amazon River region based on geographic proximity and in the detection of only two putative transmission clusters in the region. One of these clusters is the first description of inter-species transmission between cattle and buffalo in the Amazon, bringing implications to the bTB control program. Surprisingly, two M. bovis lineages were detected in our dataset, namely Lb1 and Lb3, constituting the first description of Lb1 in South America. Most of the strains of this study (13/22) and all 15 strains of the Marajó Island carried no clonal complex marker, suggesting that the recent lineage classification better describe the diversity of M. bovis in the Amazon.
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Affiliation(s)
- Paulo Alex Carneiro
- Center for Comparative Epidemiology, College of Veterinary Medicine, Michigan State University, East Lansing, MI, United States
- Amazonas State Federal Institute, Manaus, Brazil
| | - Cristina Kraemer Zimpel
- Laboratory of Applied Research in Mycobacteria, Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, United States
| | | | - Taiana T. Silva-Pereira
- Laboratory of Applied Research in Mycobacteria, Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Haruo Takatani
- Agência de Defesa Agropecuaria Do Amazonas, Manaus, Brazil
| | | | - Robert B. Abramovitch
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, United States
| | - Ana Marcia Sa Guimaraes
- Laboratory of Applied Research in Mycobacteria, Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Alberto M. R. Davila
- Computational and Systems Biology Laboratory, Oswaldo Cruz Institute and Graduate Program in Biodiversity and Health, FIOCRUZ, Rio de Janeiro, Brazil
| | | | - John B. Kaneene
- Center for Comparative Epidemiology, College of Veterinary Medicine, Michigan State University, East Lansing, MI, United States
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Vielmo A, Lopes BC, Panziera W, Bianchi RM, Mayer FQ, Vielmo LA, Barros CSL, Driemeier D. Penile Tuberculosis in a Bull. J Comp Pathol 2020; 180:5-8. [PMID: 33222874 DOI: 10.1016/j.jcpa.2020.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/19/2020] [Accepted: 08/03/2020] [Indexed: 11/16/2022]
Abstract
We describe a case of penile tuberculosis in a bull. The prepuce was thickened, firm and pale with multifocal to coalescent caseous nodules, and the inguinal and mesenteric lymph nodes were moderately enlarged. Lesions in the prepuce, penis and lymph nodes were characterized by multifocal to coalescent areas of caseous necrosis and marked granulomatous inflammation. Acid-fast bacilli were seen within necrotic foci and Langhans giant cells. Mycobacteriumtuberculosis var. bovis was identified in inguinal lymph nodes by the polymerase chain reaction technique and by bacterial isolation. Although rare, tuberculosis should be considered in the differential diagnosis of granulomatous lesions in the genital tract of bulls.
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Affiliation(s)
- Andréia Vielmo
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
| | - Bruna Correa Lopes
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Welden Panziera
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Ronaldo Michel Bianchi
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Fabiana Quoos Mayer
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor, Eldorado do Sul, Brazil
| | | | | | - David Driemeier
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Carneiro PAM, Takatani H, Pasquatti TN, Silva CBDG, Norby B, Wilkins MJ, Zumárraga MJ, Araujo FR, Kaneene JB. Epidemiological Study of Mycobacterium bovis Infection in Buffalo and Cattle in Amazonas, Brazil. Front Vet Sci 2019; 6:434. [PMID: 31921899 PMCID: PMC6914675 DOI: 10.3389/fvets.2019.00434] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 11/15/2019] [Indexed: 12/11/2022] Open
Abstract
Bovine Tuberculosis (BTB) is an endemic disease in about one hundred countries, affecting the economy causing a decrease in productivity, condemnation of meat, and damaging the credibility on international trade. Additionally, Mycobacterium bovis the major causative agent for BTB can also infect humans causing a variety of clinical presentations. The aim of this study was to determine BTB prevalence and the main risk factors for the Mycobacterium bovis prevalence in cattle and buffalos in Amazonas State, Brazil. Tissue samples from 151 animals (45 buffalo and 106 cattle from five herds with buffalo only, 22 herds with cattle only, and 12 herds with buffalo and cattle) were obtained from slaughterhouses under State Veterinary Inspection. M. bovis were isolated on Stonebrink medium. The positive cultures were confirmed by polymerase chain reaction (PCR) testing. The apparent herd and animal prevalence rates were 56.4 and 5.40%, respectively. Regarding animal species, the apparent prevalence rates were 3% in cattle and 11.8% in buffalo. Generalized Linear Mixed Models (GLMM) with random effect were used to assess the association with risk factors on the prevalence. Species (buffalo), herds size (>100 animals) and the presence of both species (buffalo and cattle) in the herd were the major risk factors for the infection by Mycobacterium bovis in the region. The findings reveal an urgent need for evidence-based effective intervention to reduce BTB prevalence in cattle and buffalo and prevent its spread to the human population. Studies are needed to understand why buffalo are more likely to be infected by M. bovis than cattle in Amazon. Recommendations for zoning, use of data from the inspection services to generate information regarding BTB focus, adoption of epidemiological tools, and discouragement of practices that promote the mixing of cattle and buffalo, were made.
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Affiliation(s)
- Paulo A M Carneiro
- Center for Comparative Epidemiology, College of Veterinary Medicine, Michigan State University, East Lansing, MI, United States.,Amazonas State Federal Institute, Manaus, Brazil
| | - Haruo Takatani
- Agência de Defesa Agropecuaria do Amazonas, Manaus, Brazil
| | | | | | - Bo Norby
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, United States
| | - Melinda J Wilkins
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, United States
| | | | - Flabio R Araujo
- Centro Nacional de Pesquisa de Gado de Corte, Campo Grande, Brazil
| | - John B Kaneene
- Center for Comparative Epidemiology, College of Veterinary Medicine, Michigan State University, East Lansing, MI, United States
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Carneiro PAM, Pasquatti TN, Takatani H, Zumárraga MJ, Marfil MJ, Barnard C, Fitzgerald SD, Abramovitch RB, Araujo FR, Kaneene JB. Molecular characterization of Mycobacterium bovis infection in cattle and buffalo in Amazon Region, Brazil. Vet Med Sci 2019; 6:133-141. [PMID: 31571406 PMCID: PMC7036311 DOI: 10.1002/vms3.203] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 05/24/2019] [Accepted: 08/30/2019] [Indexed: 11/05/2022] Open
Abstract
The aim of this study was to characterize Mycobacterium bovis from cattle and buffalo tissue samples, from two Brazilian states, and to analyse their genetic diversity by spoligotyping. Tissue samples from tuberculosis suspect animals, 57 in Amazonas State (12 cattle and 45 buffaloes) and six from Pará State (5 cattle and one buffalo) from slaughterhouses under State Veterinary Inspection, were isolated in culture medium Stonebrink. The positive cultures were confirmed by PCR and analysed by the spoligotyping technique and the patterns (spoligotypes) were identified and compared at the Mycobacterium bovis Spoligotype Database (http://www.mbovis.org/). There was bacterial growth in 44 (69.8%) of the tissues of the 63 animals, of which PCR for region of differentiation 4 identified 35/44 (79.5%) as Mycobacterium bovis. Six different spoligotypes were identified among the 35 Mycobacterium bovis isolates, of which SB0295, SB1869, SB0121 and SB1800 had already been described in Brazil, and SB0822 and SB1608 had not been described. The most frequent spoligotype in this study (SB0822) had already been described in buffaloes in Colombia, a neighbouring country of Amazonas state. The other identified spoligotypes were also described in other South American countries, such as Argentina and Venezuela, and described in the Brazilian states of Rio Grande do Sul, Santa Catarina, São Paulo, Minas Gerais, Mato Grosso do Sul, Mato Grosso and Goiás, indicating an active movement of Mycobacterium bovis strains within Brazil.
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Affiliation(s)
- Paulo A M Carneiro
- Center for Comparative Epidemiology, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA.,Amazonas State Federal Institute, Manaus, AM, Brazil
| | | | - Haruo Takatani
- Agencia de Defesa Agropecuaria do Amazonas, Manaus, AM, Brazil
| | - Martin J Zumárraga
- Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto de Biotecnología, Buenos Aires, Argentina
| | - Maria J Marfil
- Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto de Biotecnología, Buenos Aires, Argentina
| | | | - Scott D Fitzgerald
- Veterinary Diagnostic Laboratory, Michigan State University, Lansing, MI, USA
| | - Robert B Abramovitch
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - Flábio R Araujo
- Centro Nacional de Pesquisa de Gado de Corte, Campo Grande, MS, Brazil
| | - John B Kaneene
- Center for Comparative Epidemiology, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
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