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Development of a loop-mediated isothermal amplification (LAMP) assay for molecular identification of Trueperella abortisuis isolated from pigs. Mol Cell Probes 2022; 62:101795. [DOI: 10.1016/j.mcp.2022.101795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 01/19/2022] [Accepted: 02/02/2022] [Indexed: 11/21/2022]
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Ahmed MFE, Alssahen M, Lämmler C, Köhler B, Metzner M, Plötz M, Abdulmawjood A. Identification of Trueperella bernardiae isolated from peking ducks (Anas platyrhynchos domesticus) by phenotypical and genotypical investigations and by a newly developed loop-mediated isothermal amplification (LAMP) assay. Folia Microbiol (Praha) 2021; 67:277-284. [PMID: 34780047 PMCID: PMC8933347 DOI: 10.1007/s12223-021-00927-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 10/19/2021] [Indexed: 12/03/2022]
Abstract
Trueperella (T.) bernardiae is a well-known bacterial pathogen in infections of humans, rarely in animals. In the present study, five T. bernardiae isolates, isolated from five Peking ducks of four different farms, were identified by phenotypic properties, by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) analysis, and genotypically by sequencing the 16S ribosomal RNA (rRNA) gene, the superoxide dismutase A encoding gene sodA, and the glyceraldehyde-3-phosphate dehydrogenase encoding gene gap. In addition, the T. bernardiae isolates could be identified with a newly developed loop-mediated isothermal amplification (LAMP) assay based on the gyrase encoding housekeeping gene gyrA. All these tests clearly identified the T. bernardiae isolates to the species level. However, the detection of the specific gene gyrA with the newly designed LAMP assay appeared with a high sensitivity and specificity, and could help to identify this bacterial species in human and animal infections in future. The importance of the T. bernardiae isolates for the clinical condition of the ducks and for the problems at farm level remains unclear.
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Affiliation(s)
- Marwa F E Ahmed
- Hygiene and Zoonoses Department, Faculty of Veterinary Medicine, Mansoura University, Elgomhoria Street 60, Mansoura, 35516, Egypt.,Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173, Hannover, Germany
| | - Mazen Alssahen
- Institut für Hygiene und Infektionskrankheiten der Tiere, Justus-Liebig-Universität Gießen, Frankfurterstraße 85-91, 35392, Gießen, Germany
| | - Christoph Lämmler
- Institut für Hygiene und Infektionskrankheiten der Tiere, Justus-Liebig-Universität Gießen, Frankfurterstraße 85-91, 35392, Gießen, Germany
| | - Bernd Köhler
- Ripac-Labor GmbH, Am Mühlenberg 11, 14476, Potsdam, Germany
| | - Martin Metzner
- Ripac-Labor GmbH, Am Mühlenberg 11, 14476, Potsdam, Germany
| | - Madeleine Plötz
- Institute of Food Quality and Food Safety, University of Veterinary Medicine Hannover, Bischofsholer Damm 15, 30173, Hannover, Germany
| | - Amir Abdulmawjood
- Institute of Food Quality and Food Safety, University of Veterinary Medicine Hannover, Bischofsholer Damm 15, 30173, Hannover, Germany.
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Monica N, Rathinasabapathi P, Ramya M. Development of real-time loop-mediated isothermal amplification (RealAmp) method for sensitive and rapid detection of pathogenic and nonpathogenicLeptospira. Lett Appl Microbiol 2019; 68:196-203. [DOI: 10.1111/lam.13108] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 12/16/2018] [Accepted: 12/17/2018] [Indexed: 11/28/2022]
Affiliation(s)
- N.I. Monica
- Department of Genetic Engineering; School of Bioengineering; SRM Institute of Science and Technology; Kattankulathur Tamil Nadu India
| | - P. Rathinasabapathi
- Department of Genetic Engineering; School of Bioengineering; SRM Institute of Science and Technology; Kattankulathur Tamil Nadu India
| | - M. Ramya
- Department of Genetic Engineering; School of Bioengineering; SRM Institute of Science and Technology; Kattankulathur Tamil Nadu India
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Trueperella pyogenes and Brucella abortus Coinfection in a Dog and a Cat on a Dairy Farm in Egypt with Recurrent Cases of Mastitis and Abortion. Vet Med Int 2018; 2018:2056436. [PMID: 29755726 PMCID: PMC5884020 DOI: 10.1155/2018/2056436] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 02/11/2018] [Indexed: 11/30/2022] Open
Abstract
Trueperella pyogenes was isolated from a dog and a cat with a mixed infection with Brucella abortus. Both lived on a dairy cattle farm with a history of regular cases of abortion and mastitis. Identification of the bacteria was done by means of MALDI-TOF MS, loop-mediated isothermal amplification (LAMP) based on cpn60, partial 16S rRNA sequencing, and growth on Loeffler Serum Medium. Isolation of Trueperella pyogenes on the dairy farm highlights its neglected role in reproduction failure and draws attention to its effects in the dairy industry in Egypt. Diagnosis and control of abortion in Egypt should include Trueperella pyogenes as one of possible causes of abortion.
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Alssahen M, Sammra O, Wickhorst JP, Hassan AA, Lämmler C, Saarnisto MR, Prenger-Berninghoff E, Timke M, Becker A, Abdulmawjood A. Identification of Arcanobacterium phocae isolated from fur animals by phenotypic properties, by MALDI-TOF MS analysis and by detection of phocaelysin encoding gene phl as probable novel target. Vet Microbiol 2018. [PMID: 29519524 DOI: 10.1016/j.vetmic.2018.01.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
In the present study 12 Arcanobacterium phocae strains isolated from fur animals in Finland, including foxes, minks and Finnraccoons, could successfully be identified phenotypically, by matrix-assisted laser desorption ionisation-time of flight mass spectrometry (MALDI-TOF MS) and genotypically by sequencing 16S rDNA and phocaelysin (PHL) encoding gene phl. The PHL of all 12 A. phocae strains in the present study and reference strains A. phocae DSM 10002T and A. phocae DSM 10003 displayed, as typical members of the cholesterol dependent cytolysin-group of toxins, the variant undecapeptide sequence EATGLAWDPWW which appeared to be most closely related to arcanolysin of Arcanobacterium haemolyticum and pyolysin of Trueperella pyogenes. In addition, gene phl could be determined with a newly designed loop-mediated isothermal amplification (LAMP) assay. The detection of mass spectra by MALDI-TOF MS and the LAMP assay based on gene phl might help to reliably identify A. phocae in future and also elucidate the role this species plays in infections of fur animals.
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Affiliation(s)
- Mazen Alssahen
- Institut für Pharmakologie und Toxikologie, Justus-Liebig-Universität Gießen, Schubertstraße 81, D-35392 Gießen, Germany; Institut für Tierärztliche Nahrungsmittelkunde, Justus-Liebig-Universität Gießen, Frankfurter Straße 92, D-35392 Gießen, Germany
| | - Osama Sammra
- Institut für Pharmakologie und Toxikologie, Justus-Liebig-Universität Gießen, Schubertstraße 81, D-35392 Gießen, Germany; Institut für Hygiene und Infektionskrankheiten der Tiere, Justus-Liebig-Universität Gießen, Frankfurter Straße 85-91, D-35392 Gießen, Germany
| | - Jörn-Peter Wickhorst
- Institut für Pharmakologie und Toxikologie, Justus-Liebig-Universität Gießen, Schubertstraße 81, D-35392 Gießen, Germany
| | - Abdulwahed Ahmed Hassan
- Institut für Tierärztliche Nahrungsmittelkunde, Justus-Liebig-Universität Gießen, Frankfurter Straße 92, D-35392 Gießen, Germany
| | - Christoph Lämmler
- Institut für Pharmakologie und Toxikologie, Justus-Liebig-Universität Gießen, Schubertstraße 81, D-35392 Gießen, Germany.
| | - Mirja Raunio Saarnisto
- The Research and Laboratory Services Department, Veterinary Bacteriology and Pathology Research Unit, Finnish Food Safety Authority Evira, Keskuskatu 23, 60100 Seinäjoki, Finland
| | - Ellen Prenger-Berninghoff
- Institut für Hygiene und Infektionskrankheiten der Tiere, Justus-Liebig-Universität Gießen, Frankfurter Straße 85-91, D-35392 Gießen, Germany
| | - Markus Timke
- Entwicklung Bioanalyse, Bruker Daltonik GmbH, Fahrenheitstraße 4, D-28359 Bremen, Germany
| | - Andrè Becker
- Institute of Food Quality and Food Safety, Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Foundation, Bünteweg 17, D-30559 Hannover, Germany
| | - Amir Abdulmawjood
- Institute of Food Quality and Food Safety, Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Foundation, Bünteweg 17, D-30559 Hannover, Germany
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Trueperella pyogenes isolated from a brain abscess of an adult roebuck (Capreolus capreolus). Folia Microbiol (Praha) 2017; 63:17-22. [PMID: 28534230 DOI: 10.1007/s12223-017-0533-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 05/16/2017] [Indexed: 10/19/2022]
Abstract
The present study was designed to characterize phenotypically and genotypically a Trueperella pyogenes strain isolated from a brain abscess of an adult roebuck (Capreolus capreolus). The species identity could be confirmed by phenotypical investigations, by MALDI-TOF MS analysis, and by sequencing the 16S ribosomal RNA (rRNA) gene, the 16S-23S rRNA intergenic spacer region (ISR); by sequencing the target genes rpoB, gap, and tuf; and by detection of T. pyogenes chaperonin-encoding gene cpn60 with a previously developed loop-mediated isothermal amplification (LAMP) assay. The T. pyogenes strain could additionally be characterized by PCR-mediated amplification of several known and putative virulence factor-encoding genes which revealed the presence of the genes plo encoding pyolysin and nanH and nanP encoding neuraminidases; the genes fimA, fimC, and fimE encoding the fimbrial subunits FimA, FimC, and FimE; and the gene cbpA encoding collagen-binding protein CbpA. The present data give a detailed characterization of a T. pyogenes strain isolated from a brain abscess of a roebuck. However, the route of infection of the roebuck remains unclear.
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Zang X, Tang H, Jiao X, Huang J. Can a visual loop-mediated isothermal amplification assay stand out in different detection methods when monitoring Campylobacter jejuni from diverse sources of samples? Food Control 2017. [DOI: 10.1016/j.foodcont.2016.12.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Sheet O, Grabowski N, Klein G, Abdulmawjood A. Development and validation of a loop mediated isothermal amplification (LAMP) assay for the detection of Staphylococcus aureus in bovine mastitis milk samples. Mol Cell Probes 2016; 30:320-325. [DOI: 10.1016/j.mcp.2016.08.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 08/01/2016] [Accepted: 08/01/2016] [Indexed: 02/09/2023]
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Phenotypic and genotypic approach to characterize Arcanobacterium pluranimalium isolated from bovine milk samples. Folia Microbiol (Praha) 2016; 61:405-12. [DOI: 10.1007/s12223-016-0450-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 02/01/2016] [Indexed: 11/26/2022]
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