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de Noronha Xavier A, de Sá LMN, de Nazaré Santos Ferreira M, de Oliveira PRF, de Moraes Peixoto R, Mota RA, Junior JWP. First serological diagnosis of Mycobacterium avium subsp. paratuberculosis infection in sheep in the state of Pernambuco, Brazil. Vet Res Commun 2024; 48:1293-1299. [PMID: 38206561 DOI: 10.1007/s11259-024-10300-8] [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: 10/20/2023] [Accepted: 01/07/2024] [Indexed: 01/12/2024]
Abstract
This study aimed to diagnose Mycobacterium avium subsp. paratuberculosis (MAP) infections in sheep in the state of Pernambuco, Brazil. A total of 276 blood samples were analyzed using the enzyme-linked immunosorbent assay IDEXX Paratuberculosis Screening kit, and 261 fecal samples were submitted for bacterial culture and polymerase chain reaction tests. An animal-level sero-frequency of 0.72% (n = 2/276) and a farm-level sero-frequency of 20% (n = 2/10) were found. All fecal sample cultures were negative, and molecular analyses were also negative. To the best of our knowledge, this is the first study of MAP infection in sheep in the state of Pernambuco and one of the pioneers in the country. It is an asymptomatic disease that is difficult to diagnose in this species because the susceptibility of sheep to the organism is lower than that of other ruminant species. However, the sero-frequency found reveals that there is MAP exposure in sheep flocks in the region. In addition, serological monitoring can contribute to the observation of the organism's behavior in herds. Our results support the potential risk of MAP infection in sheep in the state of Pernambuco, Brazil.
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Affiliation(s)
- Amanda de Noronha Xavier
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, s/n- Dois Irmãos, Recife, PE, 52171-900, Brazil.
| | - Luenda Menezes Novaes de Sá
- Federal Institute of the Pernambuco Sertão, Floresta Campus, Rua Projetada, s/n - Caetano II, Floresta, PE, 56400-000, Brazil
| | - Maria de Nazaré Santos Ferreira
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, s/n- Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - Pollyanne Raysa Fernandes de Oliveira
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, s/n- Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - Rodolfo de Moraes Peixoto
- Federal Institute of the Pernambuco Sertão, Campus Petrolina - Rural Zone, PE 647, Km 22, PISNC N - 4, Zona Rural, Petrolina, PE, 56302-970, Brazil
| | - Rinaldo Aparecido Mota
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, s/n- Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - José Wilton Pinheiro Junior
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, s/n- Dois Irmãos, Recife, PE, 52171-900, Brazil
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O'Connell LM, Coffey A, O'Mahony JM. Alternatives to antibiotics in veterinary medicine: considerations for the management of Johne's disease. Anim Health Res Rev 2023; 24:12-27. [PMID: 37475561 DOI: 10.1017/s146625232300004x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Antibiotic resistance has become a major health concern globally, with current predictions expecting deaths related to resistant infections to surpass those of cancer by 2050. Major efforts are being undertaken to develop derivative and novel alternatives to current antibiotic therapies in human medicine. What appears to be lacking however, are similar efforts into researching the application of those alternatives, such as (bacterio)phage therapy, in veterinary contexts. Agriculture is still undoubtedly the most prominent consumer of antibiotics, with up to 70% of annual antibiotic usage attributed to this sector, despite policies to reduce their use in food animals. This not only increases the risk of resistant infections spreading from farm to community but also the risk that animals may acquire species-specific infections that subvert treatment. While these diseases may not directly affect human welfare, they greatly affect the profit margin of industries reliant on livestock due to the cost of treatments and (more frequently) the losses associated with animal death. This means actively combatting animal infection not only benefits animal welfare but also global economies. In particular, targeting recurring or chronic conditions associated with certain livestock has the potential to greatly reduce financial losses. This can be achieved by developing novel diagnostics to quickly identify ill animals alongside the design of novel therapies. To explore this concept further, this review employs Johne's disease, a chronic gastroenteritis condition that affects ruminants, as a case study to exemplify the benefits of rapid diagnostics and effective treatment of chronic disease, with particular regard to the diagnostic and therapeutic potential of phage.
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Affiliation(s)
- Laura M O'Connell
- Department of Biological Sciences, Munster Technological University, Rossa Avenue, Bishopstown, Cork, T12 P928, Ireland
| | - Aidan Coffey
- Department of Biological Sciences, Munster Technological University, Rossa Avenue, Bishopstown, Cork, T12 P928, Ireland
| | - Jim M O'Mahony
- Department of Biological Sciences, Munster Technological University, Rossa Avenue, Bishopstown, Cork, T12 P928, Ireland
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Clinical, histopathological, and molecular findings for Mycobacterium avium subspecies paratuberculosis (MAP) in dairy goats under semiarid conditions. Tuberculosis (Edinb) 2023; 139:102319. [PMID: 36764074 DOI: 10.1016/j.tube.2023.102319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 01/19/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023]
Abstract
The objective of this study was to report the occurrence of Mycobacterium avium subspecies paratuberculosis (MAP) in dairy goats, via description of their clinical presentation, histopathological findings, and molecular identification of the infectious agent. Screening was performed using IS900 real-time PCR (qPCR) in milk samples from 179 properties in the semiarid of Northeast region of Brazil. Pooled milk samples from all lactating goats from processing plants were submitted to molecular diagnosis. One property had a positive result at qPCR. The production unit which had the positive sample for MAP was located, and an on-site visit to this property was performed to collect individual milk samples, seven of which tested MAP positive by IS900 qPCR. With permission from the owner, two goats (Animal 1 was positive and Animal 2 was negative on first qPCR for MAP) were acquired and euthanized. Animals 1 and 2 had milk and portions of the duodenum, ileum, colon, and mesenteric lymph nodes positive at qPCR for MAP. Animal 1 also had MAP DNA detected in part of the jejunum and cecum. In animal 2, the ileocecal valve tested positive. MAP was not detected in the blood or feces of either animal; however; it was confirmed for the association of clinical findings, histopathology, and qPCR. The gene IS900 from the positive samples were sequenced and showed a 99% similarity with MAP. The MAP was identified for the first time in the goat milk and tissues in the semiarid region of Northeast Brazil.
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Hosseiniporgham S, Biet F, Ganneau C, Bannantine JP, Bay S, Sechi LA. A Comparative Study on the Efficiency of Two Mycobacterium avium subsp. paratuberculosis (MAP)-Derived Lipopeptides of L3P and L5P as Capture Antigens in an In-House Milk ELISA Test. Vaccines (Basel) 2021; 9:vaccines9090997. [PMID: 34579234 PMCID: PMC8471605 DOI: 10.3390/vaccines9090997] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 02/07/2023] Open
Abstract
Mycobacterium avium subsp. paratuberculosis (MAP) surface-exposed lipopeptides could be specific capture-antigen molecules targeting antibodies against MAP, in milk, through ELISA. Previous studies have revealed that MAP strains, isolated from sheep (S) or cow (C), could produce specific lipopeptides, L3P or L5P, respectively. In this study, we used L3P and L5P as capture antigens in an in-house milk ELISA (H-MELISA) to assess how these antigens perform, in comparison with other ELISA tests, on well-defined milk samples from MAP-infected sheep. The overall positivity rates of H-MELISA via L3P and L5P varied by the source of milk samples, in which, at bulk-tank-milk (BTM) level, the majority of positive cases (63.83%) reacted more against L5P, whereas a predominant number (69.14%) of milk samples were more responsive against L3P at the individual level. To clarify whether the positivity status of milk samples in H-MELISA L3P/L5P were predictive of MAP strain-types (S/C), strain-typing was carried out using PCR IS1311-restriction enzyme analysis. Although the presence of three MAP strains (S/C/bison types) was detected among the milk samples, the C-type (46.67%) and S-type (75%) MAP strains were detected with higher incidence among BTMs and individual milk samples, respectively. However, further examination on the H-MELISA L3P/L5P-positivity pattern of each C/S-type-MAP sample revealed that some samples had a reverse reactivity against both L3P and L5P. These results could be the consequence of either cross-reactivity between L3P and L5P (due to the similarity in the structures of the two epitopes) or simply a within-herd mixed infection with MAP strains of C and S types. These findings suggest that lipopeptide antigens could contribute a diagnostic test with optimal performance, considering the diversity of MAP strains.
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Affiliation(s)
| | - Franck Biet
- UMR1282, Infectiologie et Santé Publique (ISP-311), INRAE Centre Val de Loire, 37380 Nouzilly, France;
| | - Christelle Ganneau
- Unité de Chimie Des Biomolécules, Département de Biologie Structurale et Chimie, Institut Pasteur, 75015 Paris, France; (C.G.); (S.B.)
- CNRS UMR 3523, 75015 Paris, France
| | - John P. Bannantine
- USDA-Agricultural Research Service, National Animal Disease Center, Ames, IA 50010, USA;
| | - Sylvie Bay
- Unité de Chimie Des Biomolécules, Département de Biologie Structurale et Chimie, Institut Pasteur, 75015 Paris, France; (C.G.); (S.B.)
- CNRS UMR 3523, 75015 Paris, France
| | - Leonardo A. Sechi
- Dipartimento di Scienze Biomediche, Università di Sassari, 07100 Sassari, Italy;
- SC Microbiologia e Virologia, Azienda Ospedaliera Universitaria, 07100 Sassari, Italy
- Mediterraneam Center for Disease Control, 07100 Sassari, Italy
- Correspondence:
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Hosseiniporgham S, Cubeddu T, Rocca S, Sechi LA. Identification of Mycobacterium avium subsp. paratuberculosis (MAP) in Sheep Milk, a Zoonotic Problem. Microorganisms 2020; 8:microorganisms8091264. [PMID: 32825389 PMCID: PMC7565042 DOI: 10.3390/microorganisms8091264] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/12/2020] [Accepted: 08/17/2020] [Indexed: 12/21/2022] Open
Abstract
Johne’s disease (JD) is a life-threatening gastrointestinal disease affecting ruminants, which causes crucial economical losses globally. This ailment is caused by Mycobacterium avium subsp. paratuberculosis (MAP), a fastidious intracellular pathogen that belongs to the Mycobacteriaceae family. This acid-fast, hard-to-detect bacterium can resist milk pasteurization and be conveyed to dairy product consumers. Many studies have emphasized the zoonotic nature of MAP, suggesting an association between MAP and some gastroenteric conditions such as Crohn’s disease in humans. This underlines the importance of utilizing efficient pasteurization alongside a state-of-the-art diagnostic system in order to minimize the possible ways this pathogen can be conveyed to humans. Until now, no confirmatory MAP screening technique has been developed that can reveal the stages of JD in infected animals. This is partially due to the lack of an efficient gold-standard reference method that can properly evaluate the performance of diagnostic assays. Therefore, the following research aimed to compare the merits of qPCR and ELISA assessments of milk for the detection of MAP in a total of 201 Sardinian unpasteurized sheep milk samples including 73 bulk tank milk (BTM) and 128 individual samples from a MAP-infected flock (MIF) applying various reference models. Accordingly, milk qPCR and ELISA assessments, together and individually, were used as reference models in the herd-level study, while serum ELISA and fecal PCR were similarly (together and in isolation) considered as the gold standards in the individual-level diagnosis. This study showed that the type of gold-standard test affects the sensitivity and specificity of milk qPCR and ELISA significantly. At the individual level in the MAP-infected flock, serum ELISA in isolation and together with fecal PCR were recognized as the best references; however, the best correlation was seen between milk and serum ELISA (p < 0.0001). Regarding the detection of MAP in BTM, qPCR IS900 was recognized as the most sensitive and specific diagnostic test (p < 0.0001) for monitoring the MAP shedders and animals with clinically developed symptoms within herds, under the condition that both milk qPCR and milk ELISA tests formed a binary reference model. The BTM analyses (qPCR and ELISA) revealed that MAP positivity has a seasonal pattern. This hypothesis was proven through a longitudinal study on 14 sheep herds.
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Affiliation(s)
- Sepideh Hosseiniporgham
- Dipartimento di Scienze Biomediche, Università di Sassari, Viale San Pietro 43 b, 07100 Sassari, Italy
| | - Tiziana Cubeddu
- Dipartimento di Medicina Veterinaria, Università di Sassari, Sassari 07100, Italy
| | - Stefano Rocca
- Dipartimento di Medicina Veterinaria, Università di Sassari, Sassari 07100, Italy
| | - Leonardo A Sechi
- Dipartimento di Scienze Biomediche, Università di Sassari, Viale San Pietro 43 b, 07100 Sassari, Italy
- Mediterranean Centre for Disease Control, University of Sassari, Sassari 07100, Italy
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Fusco V, Chieffi D, Fanelli F, Logrieco AF, Cho G, Kabisch J, Böhnlein C, Franz CMAP. Microbial quality and safety of milk and milk products in the 21st century. Compr Rev Food Sci Food Saf 2020; 19:2013-2049. [DOI: 10.1111/1541-4337.12568] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/03/2020] [Accepted: 04/03/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Vincenzina Fusco
- Institute of Sciences of Food Production National Research Council of Italy (CNR‐ISPA) Bari Italy
| | - Daniele Chieffi
- Institute of Sciences of Food Production National Research Council of Italy (CNR‐ISPA) Bari Italy
| | - Francesca Fanelli
- Institute of Sciences of Food Production National Research Council of Italy (CNR‐ISPA) Bari Italy
| | - Antonio F. Logrieco
- Institute of Sciences of Food Production National Research Council of Italy (CNR‐ISPA) Bari Italy
| | - Gyu‐Sung Cho
- Department of Microbiology and BiotechnologyMax‐Rubner Institut Kiel Germany
| | - Jan Kabisch
- Department of Microbiology and BiotechnologyMax‐Rubner Institut Kiel Germany
| | - Christina Böhnlein
- Department of Microbiology and BiotechnologyMax‐Rubner Institut Kiel Germany
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Albuquerque P, Cezar R, Pinheiro Junior J, Grazielle Nascimento G, Santos A, Mota R. Occurrence of Mycobacterium avium subsp. paratuberculosis in coalho cheese in the State of Pernambuco, Brazil. ARQ BRAS MED VET ZOO 2019. [DOI: 10.1590/1678-4162-10754] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
ABSTRACT Paratuberculosis is a chronic and incurable disease that affects ruminants and other domestic animals. It is caused by Mycobacterium avium subsp. paratuberculosis (MAP) that may also be involved in some human diseases such as Crohn's disease, type 1 diabetes, sarcoidosis, multiple sclerosis, and Hashimoto's thyroiditis. The objective of this study was to investigate the occurrence of MAP DNA in samples of artisanal coalho cheese purchased in the State of Pernambuco. Forty samples of coalho cheese submitted to the Real Time Polymerase Chain Reaction (qPCR) technique were analyzed for the detection of the MAP region IS900. 11 (27.5%) were positive with a mean of 195.9 MAP colony forming unit (CFU) per gram of each sample, with a minimum of 30.3 CFU/g and a maximum of 324.2 CFU/g. Thus, this type of cheese that is one of the most consumed in this region of Brazil constitutes a source of human exposure to MAP. Further research in this area should be performed to evaluate the viability of the bacteria in this cheese type.
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Affiliation(s)
| | | | | | | | | | - R.A. Mota
- Universidade Federal Rural de Pernambuco, Brazil
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Development of Rapid Extraction Method of Mycobacterium avium Subspecies paratuberculosis DNA from Bovine Stool Samples. Diagnostics (Basel) 2019; 9:diagnostics9020036. [PMID: 30934956 PMCID: PMC6627389 DOI: 10.3390/diagnostics9020036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/18/2019] [Accepted: 03/27/2019] [Indexed: 01/11/2023] Open
Abstract
The rapid identification of Mycobacterium avium subspecies paratuberculosis (MAP) infected animals within the herd is essential for preventing the spread of the disease as well as avoiding human exposure. Although culture is seen as the gold standard, there are various molecular assays available i.e., polymerase chain reaction (PCR) or isothermal amplification technique (recombinase polymerase amplification (RPA)) for the detection of MAP. The accuracy of the molecular assays is highly dependent on the DNA extraction method. In order to establish a rapid point of need system for the detection of MAP DNA from stool samples, we developed a rapid DNA extraction protocol (MAP DNA SpeedXtract) specified for use in combination with the RPA. The whole procedure from “sample in” to “result out” was conducted in a mobile suitcase laboratory. The DNA extraction is based on reverse purification by magnetic beads, which reduces the required technical demand. The MAP DNA SpeedXtract was performed within 25 min and only three pipetting steps were needed. The amplification and detection time were 20 min in RPA. The sensitivity and specificity of the developed protocol in comparison with the lab-based silica membrane column extraction and real-time PCR were 90.9% (n = 22) and 100% (n = 23), respectively. In conclusion, we established a rapid and reliable protocol for the extraction and detection of MAP DNA. All reagents are cold chain independent. The entire setup is ideal for point of need identification of MAP infected cases.
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Bharathy S, Gunaseelan L, Porteen K. Exploring the potential hazard of Mycobacterium avium subspecies paratuberculosis as a cause for Crohn's disease. Vet World 2017; 10:457-460. [PMID: 28507419 PMCID: PMC5422251 DOI: 10.14202/vetworld.2017.457-460] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 03/02/2017] [Indexed: 01/06/2023] Open
Abstract
Background: Mycobacterium avium subspecies paratuberculosis (MAP) is the causative agent of Johne’s disease (JD), or paratuberculosis in ruminants has been suspected to be implicated in the pathogenesis of Crohn’s disease (CD) in humans with chronic inflammatory intestinal changes. As the hypothesis is now fast being recognized that MAP could possibly be the etiological agent of CD which is found to be excreted in milk of dairy animals subclinically or terminally ill with JD. Aim: The present study was aimed to detect MAP in milk by polymerase chain reaction (PCR) targeting IS900 and to describe the excretion pattern of MAP in milk from asymptomatic lactating cows and does with relevance to the public health significance. Materials and Methods: A total of 77 milk samples were collected randomly from lactating animals which include cows (45) and does (32). All the 77 milk samples were processed to identify the presence of MAP by employing the direct IS900 PCR as per the standard protocol. Results: Out of 77 milk samples from asymptomatic lactating animals, 12 (15.58%) were showed positivity for IS900 PCR in which 5 (11.11%) were from lactating cows and 7 (21.87%) were from lactating does. Conclusion: In our study, 15.58% of milk samples showed IS900 positivity which indicates the presence of subclinical MAP infection in lactating animals. Hence, there is a possibility for excretion of MAP through milk which can be a potential threat for CD in humans by raw milk consumption. Therefore, the prevention of MAP in the food chain need to be assured by sourcing raw products from animal herds free of MAP infection.
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Affiliation(s)
- Sukumar Bharathy
- Department of Veterinary Public Health and Epidemiology, Madras Veterinary College, Chennai - 600 007, Tamil Nadu, India
| | - Lakshmanasami Gunaseelan
- Department of Veterinary Public Health and Epidemiology, Madras Veterinary College, Chennai - 600 007, Tamil Nadu, India
| | - Kannan Porteen
- Department of Veterinary Public Health and Epidemiology, Madras Veterinary College, Chennai - 600 007, Tamil Nadu, India
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