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Behdad S, Pakdel A, Massudi R. A novel diagnostic approach to Paratuberculosis in dairy cattle using near-infrared spectroscopy and aquaphotomics. Front Cell Infect Microbiol 2024; 14:1374560. [PMID: 38873096 PMCID: PMC11170640 DOI: 10.3389/fcimb.2024.1374560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 04/23/2024] [Indexed: 06/15/2024] Open
Abstract
Introduction As a contagious and chronic disease in the livestock industry, Paratuberculosis is a significant threat to dairy herds' genetic and economic resources. Due to intensive breeding and high production of dairy cattle, the incidence and prevalence are higher. Developing non-destructive diagnostic methods for the early detection and identification of healthy animals is paramount for breeding programs. Conventional methods are almost entirely destructive, have low accuracy, lack precision, and are time-consuming. Near-infrared spectroscopy (NIRS) and aquaphotomics can detect changes in biofluids and thus have the potential to diagnose disease. This study aimed to investigate the diagnostic ability of NIRS and aquaphotomics for Paratuberculosis in dairy cattle. Methods Blood plasma from dairy cattle was collected in the NIR range (1,300 nm to 1,600 nm) 60 days before and 100 days to 200 days after calving in two groups, positive and negative, using the same consecutive enzyme-linked immunosorbent assay test results three times as a reference test. Results NIRS and aquaphotomics methods invite 100% accuracy, sensitivity, and specificity to detect Paratuberculosis using data mining by unsupervised method, Principal Component Analysis, and supervised methods: Soft Independent Modeling of Class Analogiest, Linear Discriminant Analysis, Quadratic Discriminant Analysis, Partial Least Square-Discriminant Analysis, and Support Vector Machine models. Discussion The current study found that monitoring blood plasma with NIR spectra provides an opportunity to analyze antibody levels indirectly via changes in water spectral patterns caused by complex physiological changes, such as the amount of antibodies related to Paratuberculosis by aquagram.
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Affiliation(s)
- Saba Behdad
- Department of Animal Science, College of Agriculture, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Abbas Pakdel
- Department of Animal Science, College of Agriculture, Science and Research Branch, Islamic Azad University, Tehran, Iran
- Department of Animal Science, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
| | - Reza Massudi
- Department of Animal Science, College of Agriculture, Science and Research Branch, Islamic Azad University, Tehran, Iran
- Laser and Plasma Institute, Shahid Beheshti University, Tehran, Iran
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Ha S, Kang S, Jung M, Kim SB, Lee HG, Park HT, Lee JH, Choi KC, Park J, Kim UH, Yoo HS. Comparison of blood parameters according to fecal detection of Mycobacterium avium subspecies paratuberculosis in subclinically infected Holstein cattle. J Vet Sci 2023; 24:e70. [PMID: 38031649 PMCID: PMC10556293 DOI: 10.4142/jvs.23111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 07/13/2023] [Accepted: 07/27/2023] [Indexed: 12/01/2023] Open
Abstract
BACKGROUND Mycobacterium avium subspecies paratuberculosis (MAP) causes a chronic and progressive granulomatous enteritis and economic losses in dairy cattle in subclinical stages. Subclinical infection in cattle can be detected using serum MAP antibody enzyme-linked immunosorbent assay (ELISA) and fecal polymerase chain reaction (PCR) tests. OBJECTIVES To investigate the differences in blood parameters, according to the detection of MAP using serum antibody ELISA and fecal PCR tests. METHODS We divided 33 subclinically infected adult cattle into three groups: seronegative and fecal-positive (SNFP, n = 5), seropositive and fecal-negative (SPFN, n = 10), and seropositive and fecal-positive (SPFP, n = 18). Hematological and serum biochemical analyses were performed. RESULTS Although the cows were clinically healthy without any manifestations, the SNFP and SPFP groups had higher platelet counts, mean platelet volumes, plateletcrit, lactate dehydrogenase levels, lactate levels, and calcium levels but lower mean corpuscular volume concentration than the SPFN group (p < 0.017). The red blood cell count, hematocrit, monocyte count, glucose level, and calprotectin level were different according to the detection method (p < 0.05). The SNFP and SPFP groups had higher red blood cell counts, hematocrit and calprotectin levels, but lower monocyte counts and glucose levels than the SPFN group, although there were no significant differences (p > 0.017). CONCLUSIONS The cows with fecal-positive MAP status had different blood parameters from those with fecal-negative MAP status, although they were subclinically infected. These findings provide new insights into understanding the mechanism of MAP infection in subclinically infected cattle.
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Affiliation(s)
- Seungmin Ha
- National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea
| | - Seogjin Kang
- National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea
| | - Mooyoung Jung
- National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea
| | - Sang Bum Kim
- National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea
| | - Han Gyu Lee
- National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea
| | - Hong-Tae Park
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Jun Ho Lee
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Ki Choon Choi
- National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea
| | - Jinho Park
- Department of Veterinary Internal Medicine, College of Veterinary Medicine, Jeonbuk National University, Iksan 54596, Korea
| | - Ui-Hyung Kim
- National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea.
| | - Han Sang Yoo
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.
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Jurado-Martos F, Cardoso-Toset F, Tarradas C, Galán-Relaño Á, Sánchez-Carvajal JM, Ruedas-Torres I, Vera E, Larenas-Muñoz F, Gómez-Gascón L, Rodríguez-Gómez IM, Carrasco L, Gómez-Laguna J, Lorenzo BH, Luque I. Diagnostic performance of faecal and tissue multiplex qPCR IS900/F57 for the detection of Mycobacterium avium subspecies paratuberculosis in cattle. Res Vet Sci 2023; 161:156-162. [PMID: 37406574 DOI: 10.1016/j.rvsc.2023.06.007] [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: 03/11/2023] [Revised: 05/17/2023] [Accepted: 06/05/2023] [Indexed: 07/07/2023]
Abstract
Mycobacterium avium subspecies paratuberculosis (MAP) is responsible for bovine-paratuberculosis (bPTB), which causes high production losses in cattle. A cross-sectional study was conducted in 228 cattle to evaluate the validity and diagnostic utility of a multiplex real-time PCR (qPCR) on faecal and intestinal samples [ileocaecal valve (ICV) and ileocaecal lymph nodes (ICLN)], using intestinal tissue culture as a reference test. Based on the sensitivity, specificity, and likelihood ratios (LR) obtained, the diagnostic value of faecal qPCR for confirming MAP infection was moderate (sensitivity 50.3%, specificity 93.5%, positive LR 7.8), and low to rule it out (negative LR 0.5). In areas with a prevalence of >23% the credibility of positive results was higher than 70%. In the case of negative results, their credibility was higher than 90% in herds with an infection rate below 19%, so faecal qPCR would be very useful in these areas to certify the absence of infection. For post-mortem diagnosis, qPCR on ICV samples showed good diagnostic accuracy to confirm the disease (sensitivity 71.7%, specificity 93.3%, positive LR 10.8), with a credibility higher than 70% in animals from areas or herds with a prevalence of infection greater than or equal to 18%. The best strategy to rule out the disease was the parallel combination of both tissues (ICV + ICLN) (sensitivity 81.3%, specificity 89.5%, negative LR 0.2) with a credibility of over 95% in animals from areas with an infection prevalence of 0-20%. Faecal and tissues qPCR techniques can be used to monitor bPTB, the interpretation of results, according to epidemiological situation of the herd or area, are shown.
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Affiliation(s)
| | | | - Carmen Tarradas
- Department of Animal Health, University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - Ángela Galán-Relaño
- Department of Animal Health, University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - José María Sánchez-Carvajal
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - Inés Ruedas-Torres
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - Eduardo Vera
- Department of Animal Health, University of Cordoba, Spain
| | - Fernanda Larenas-Muñoz
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), University of Cordoba, Spain
| | - Lidia Gómez-Gascón
- Department of Animal Health, University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - Irene Magdalena Rodríguez-Gómez
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - Librado Carrasco
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - Jaime Gómez-Laguna
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - Belén Huerta Lorenzo
- Department of Animal Health, University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
| | - Inmaculada Luque
- Department of Animal Health, University of Cordoba, Spain; UIC Zoonosis y Enfermedades Emergentes ENZOEM, International Excellence Agrifood Campus 'ceiA3', University of Cordoba, Cordoba, Spain
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Seva J, Sanes JM, Mas A, Ramis G, Sánchez J, Párraga-Ros E. Prevalence of Mycobacterium avium Subsp. paratuberculosis in Feral Pigeons ( Columba livia) Associated with Difficulties Controlling Paratuberculosis in a Bovine Herd (Fighting Bull Breed). Animals (Basel) 2022; 12:ani12233314. [PMID: 36496835 PMCID: PMC9739979 DOI: 10.3390/ani12233314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/11/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
Abstract
A bovine herd with a high prevalence of paratuberculosis (PTB) cohabiting with a population of pigeons was studied (2011−2020). After finding the disease in 2011, annual monitoring was performed in 2012−2014 by obtaining blood samples for ELISA and intradermal tuberculinization (IT) tests for Mycobacterium avium subsp. paratuberculosis (MAP). Positive animals were eliminated. PTB prevalence dropped from 10% to 0% but returned to similar values (9.5%) after 6 years without tests. In all animals, Ac values according to the optical density (OD) determined by ELISA increased each year and could be used to isolate herds close to the cutoff point to improve PTB control. Possible reservoirs were considered after evaluating the little success of the PTB control program, and the population of feral pigeons was studied. Specifically, 10% of the pigeon population (n = 13) was necropsied. Samples of intestine, feces, and foot skin for PCR study for MAP and samples of terminal intestine for histopathological analysis were taken. Eleven pigeons were PCR-positive against MAP, in the intestine (10/11), foot skin (3/11), and feces (1/11). The presence of MAP in pigeon feet could demonstrate its role as a mechanical disseminator of PTB, while the presence in pigeon intestine and feces could also suggest its role as a reservoir.
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Affiliation(s)
- Juan Seva
- Department of Anatomy and Comparative Pathological Anatomy, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
- Correspondence:
| | - J. Manuel Sanes
- Department of Anatomy and Comparative Pathological Anatomy, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
| | - Alberto Mas
- Department of Anatomy and Comparative Pathological Anatomy, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
| | - Guillermo Ramis
- Department of Animal Production, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
| | - Joaquín Sánchez
- Department of Anatomy and Comparative Pathological Anatomy, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
| | - Ester Párraga-Ros
- Department of Anatomy and Comparative Pathological Anatomy, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain
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Taylor EN, Beckmann M, Hewinson G, Rooke D, Mur LAJ, Koets AP. Metabolomic changes in polyunsaturated fatty acids and eicosanoids as diagnostic biomarkers in Mycobacterium avium ssp. paratuberculosis (MAP)-inoculated Holstein-Friesian heifers. Vet Res 2022; 53:68. [PMID: 36056402 PMCID: PMC9440510 DOI: 10.1186/s13567-022-01087-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 07/03/2022] [Indexed: 11/10/2022] Open
Abstract
Mycobacterium avium subspecies paratuberculosis (MAP) is the causative organism of Johne's disease, a chronic granulomatous enteritis of ruminants. We have previously used naturally MAP-infected heifer calves to document metabolomic changes occurring in MAP infections. Herein, we used experimentally MAP-inoculated heifer calves to identify biomarkers for MAP infections. At 2-weeks of age, 20 Holstein-Friesian (HF) calves were experimentally inoculated with MAP. These calves, along with 20 control calves, were sampled biweekly up to 13-months of age and then monthly up to 19-months of age. Sera were assessed using flow infusion electrospray high-resolution mass spectrometry (FIE-HRMS) on a Q Exactive hybrid quadrupole-Orbitrap mass spectrometer for high throughput, sensitive, non-targeted metabolite fingerprinting. Partial least squares-discriminate analysis (PLS-DA) and hierarchical cluster analysis (HCA) discriminated between MAP-inoculated and control heifer calves. Out of 34 identified metabolites, six fatty acyls were able to differentiate between experimental groups throughout the study, including 8, 11, 14-eicosatrienoic acid and cis-8, 11, 14, 17-eicosatetraenoic acid which were also detected in our previous study and so further suggested their value as biomarkers for MAP infection. Pathway analysis highlighted the role of the alpha-linoleic acid and linoleic acid metabolism. Within these pathways, two broad types of response, with a rapid increase in some saturated fatty acids and some n-3 polyunsaturated fatty acids (PUFAs) and later n-6 PUFAs, became predominant. This could indicate an initial anti-inflammatory colonisation phase, followed by an inflammatory phase. This study demonstrates the validity of the metabolomic approach in studying MAP infections. Nevertheless, further work is required to define further key events, particularly at a cell-specific level.
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Affiliation(s)
- Emma N Taylor
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Ceredigion, SY23 3DA, UK
| | - Manfred Beckmann
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Ceredigion, SY23 3DA, UK
| | - Glyn Hewinson
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Ceredigion, SY23 3DA, UK.,Centre of Excellence for Bovine Tuberculosis, Aberystwyth University, Ceredigion, SY23 3DA, UK
| | - David Rooke
- ProTEM Services Ltd, Horsham, RH12 4BD, West Sussex, UK
| | - Luis A J Mur
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Ceredigion, SY23 3DA, UK.
| | - Ad P Koets
- Wageningen Bioveterinary Research, 8221 RA, Lelystad, The Netherlands. .,Faculty of Veterinary Medicine, Population Health Systems, Utrecht University, 3584 CS, Utrecht, The Netherlands.
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Pachoori A, Gururaj K, Sachan S, Sharma D. Multiplex qPCR for differentiation of Mycobacterium avium subspecies paratuberculosis in active and passive infection of goats. Appl Microbiol Biotechnol 2022; 106:4705-4717. [PMID: 35715649 DOI: 10.1007/s00253-022-12021-x] [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: 03/14/2022] [Revised: 05/25/2022] [Accepted: 06/09/2022] [Indexed: 11/02/2022]
Abstract
Mycobacterium avium paratuberculosis (MAP) is causative agent of Johne's disease (JD) in domestic animals and has broad host range. JD infected animals shed viable MAP in their milk, feces, blood, and tissues which get transmitted to human beings directly or indirectly by consumption of animal products, through contact, animal handling and through contaminated environment, aerosols. In this current study, we developed hydrolysis probe based TaqMan® real-time PCR assay where samples were investigated by targeting IS900 mRNA and ModD gene to differentiate live MAP shedders from inactive/dead MAP bacilli shedding animals. The IS900 mRNA and ModD gene primers were designed using discontiguous unique conserved sequences of IS900 more towards the 3' end and fibronectin attachment protein (FAP) genes, respectively. Two different reporter dyes Cy5 and TexasRed, with compatible quenchers BHQ-1 and BHQ-2, respectively, were used for probe designing of IS900 and ModD genes. Triplex PCR assay was developed by using serially diluted positive MAP culture in log10 dilution and probe and template titration. TaqMan® probe real-time PCR targeting IS900 mRNA and ModD gene detects the MAP infection at early stage with high sensitivity and specificity. The specificity of developed TaqMan probe real-time PCR was found to be high while validated by using Escherichia coli and Staphylococcus aureus in addition to the MAP culture as there is no non-specific signal from other microbes. The sensitivity of developed TaqMan® probe real-time PCR was computed based on copy numbers ranged from 4.14 × 1011 to 4.14 × 104 for IS900 (FAM), 1.27 × 1011 to 1.27 × 104 for IS900 mRNA (Cy5), and 3.68 × 1010 to 3.68 × 104 for ModD (TexasRed), and lowest limit to detect MAP was 4.14 × 104, 1.27 × 104, and 3.68 × 104 copies for respective genes. This assay would be of great aid to contain the MAP infection in the large herd, where silent shedders spread active infection can be differentiated from passive shedding by non-infected animals. This test would also be equivalent to culture test in terms of specificity and hence can be able to be undertaken in molecular epidemiological studies to represent the actual disease prevalence in the future. KEY POINTS: • Multiplex mRNA-based qPCR was developed to identify the actively infective MAP bacilli from passive ones. • ModD and IS900 used as targets to assess active MAP bacilli in fecal samples of suspected animals. • The LOD was computed using copy numbers with 4.14 × 104 and 3.68 × 104 copies for IS900 and ModD, respectively.
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Affiliation(s)
- Anjali Pachoori
- Division of Animal Health, ICAR-Central Institute for Research On Goats, Farah (P.O.), Mathura-, 281122, Makhdoom, Uttar Pradesh, India
| | - K Gururaj
- Division of Animal Health, ICAR-Central Institute for Research On Goats, Farah (P.O.), Mathura-, 281122, Makhdoom, Uttar Pradesh, India.
| | - Supriya Sachan
- Division of Animal Health, ICAR-Central Institute for Research On Goats, Farah (P.O.), Mathura-, 281122, Makhdoom, Uttar Pradesh, India
| | - Deepansh Sharma
- Amity Institute of Microbial Technology, Amity University Rajasthan, Jaipur, Rajasthan, India
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