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Rasoulinezhad S, Bozorgmehrifard MH, Hosseini H, Sheikhi N, Charkhkar S. Molecular detection and phylogenetic analysis of Mycoplasma gallisepticum from backyard and commercial turkey flocks in Iran. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2017; 8:293-298. [PMID: 29326787 PMCID: PMC5756248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 07/31/2017] [Indexed: 11/25/2022]
Abstract
Mycoplasma gallisepticum (MG) is economically important pathogen of poultry causes airsacculitis and frequently infraorbital sinusitis in turkeys. Infections may remain without clinical signs, but they can make birds susceptible to secondary infections. This study was carried out for molecular detection and phylogenetic analysis of MG infections in commercial and backyard turkey flocks in some parts of Iran. A total number of 600 swab samples were collected from 18 commercial and 31 backyard turkey flocks. The PCR technique was performed for detecting 16S rRNA gene in the samples. Positive sample were subjected for sequencing of mgc2 gene. The results showed that 48.38% of backyard and 16.66% of commercial farms were positive for MG. These findings suggested the presence of MG in the commercial and backyard turkeys' farms of Iran. The molecular analysis indicated high sequence similarity between some Iranian turkeys isolates with Indian and Pakistanian MG isolates. Furthermore, substitutions of MG nucleic acids and correlated amino acids sequences may lead to some antigenic modifications.
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Affiliation(s)
- Saeed Rasoulinezhad
- Department of Poultry and Obstetrics, Science and Research Branch, Islamic Azad University, Tehran, Iran;
| | | | - Hossein Hosseini
- Department of Clinical Science, Faculty of Veterinary Medicine, Karaj Branch, Islamic Azad University, Alborz, Iran.
| | - Nariman Sheikhi
- Department of Poultry and Obstetrics, Science and Research Branch, Islamic Azad University, Tehran, Iran;
| | - Saeed Charkhkar
- Department of Poultry and Obstetrics, Science and Research Branch, Islamic Azad University, Tehran, Iran;
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Abstract
Since 1977, >2000 research papers described attempts to detect, identify and/or quantify parasites, or disease organisms carried by ecto-parasites, using DNA-based tests and 148 reviews of the topic were published. Despite this, only a few DNA-based tests for parasitic diseases are routinely available, and most of these are optional tests used occasionally in disease diagnosis. Malaria, trypanosomiasis, toxoplasmosis, leishmaniasis and cryptosporidiosis diagnosis may be assisted by DNA-based testing in some countries, but there are very few cases where the detection of veterinary parasites is assisted by DNA-based tests. The diagnoses of some bacterial (e.g. lyme disease) and viral diseases (e.g. tick borne encephalitis) which are transmitted by ecto-parasites more commonly use DNA-based tests, and research developing tests for these species makes up almost 20% of the literature. Other important uses of DNA-based tests are for epidemiological and risk assessment, quality control for food and water, forensic diagnosis and in parasite biology research. Some DNA-based tests for water-borne parasites, including Cryptosporidium and Giardia, are used in routine checks of water treatment, but forensic and food-testing applications have not been adopted in routine practice. Biological research, including epidemiological research, makes the widest use of DNA-based diagnostics, delivering enhanced understanding of parasites and guidelines for managing parasitic diseases. Despite the limited uptake of DNA-based tests to date, there is little doubt that they offer great potential to not only detect, identify and quantify parasites, but also to provide further information important for the implementation of parasite control strategies. For example, variant sequences within species of parasites and other organisms can be differentiated by tests in a manner similar to genetic testing in medicine or livestock breeding. If an association between DNA sequence and phenotype has been demonstrated, then qualities such as drug resistance, strain divergence, virulence, and origin of isolates could be inferred by DNA-based tests. No such tests are in clinical or commercial use in parasitology and few tests are available for other organisms. Why have DNA-based tests not had a bigger impact in veterinary and human medicine? To explore this question, technological, biological, economic and sociological factors must be considered. Additionally, a realistic expectation of research progress is needed. DNA-based tests could enhance parasite management in many ways, but patience, persistence and dedication will be needed to achieve this goal.
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Levisohn S, Hyman H, Perelman D, Razin S. The use of a specific dna probe for detection ofMycoplasma gallisepticumin field outbreaks. Avian Pathol 2007; 18:535-41. [DOI: 10.1080/03079458908418625] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- S. Levisohn
- a Kimron Veterinary Institute , Beit Dagan, 50250, Israel
| | - H. Hyman
- b Hadassah Medical School , The Hebrew University , Jerusalem, 91010, Israel
| | - D. Perelman
- c The Poultry Breeders Union of Israel , Tel Aviv, Israel
| | - S. Razin
- b Hadassah Medical School , The Hebrew University , Jerusalem, 91010, Israel
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Ben Abdelmoumen B, Roy RS, Brousseau R. Cloning of Mycoplasma synoviae genes encoding specific antigens and their use as species-specific DNA probes. J Vet Diagn Invest 1999; 11:162-9. [PMID: 10098689 DOI: 10.1177/104063879901100210] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
A genomic library of Mycoplasma synoviae (MS) was generated by using bacteriophage lambda gt11 as a cloning and expression vector. Identification of recombinant clones highly specific to MS was achieved by screening the library for expression of MS proteins with polyclonal antiserum that had been preadsorbed with 6 heterologous avian mycoplasma species antigens. Expression of the recombinant clones in Escherichia coli followed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the total cell lysates and immunoblot yielded a predominant reactive fusion protein of 165 kD. Two clones (MS2/28 and MS2/12) that yielded inserts of different size were selected. The 2 MS DNA inserts were subcloned in a plasmid vector, labeled with digoxigenin, and used as probes for the specific recognition of several MS strains. A high degree of conservation was demonstrated for the MS2/12 and MS2/28 genes in tested MS strains. In addition, neither DNA fragment recognized any other avian mycoplasma species (M. gallisepticum, M. meleagridis, M. gallinarum, M. iners, M. anatis, and M. iowae), thus indicating their high specificity to MS. The sensitivity of the slot blot hybridization method using digoxigenin-labeled MS2/12 and MS2/28 probes for direct detection of MS from broth cultures of field isolates was 10(5) colony-forming units/ml. These results demonstrate the effectiveness of adsorbed antisera for the isolation of species-specific mycoplasma DNA and the potential for its use as probes for the specific and direct detection of MS from broth cultures of field isolates.
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Affiliation(s)
- B Ben Abdelmoumen
- Département de Pathologie et Microbiologie, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec, Canada
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Dovc P, Bencina D, Antes R, Mann W. Recombinant DNA probes and polymerase chain reaction for detection of Mycoplasma gallisepticum strains. FEMS Microbiol Lett 1994; 122:79-84. [PMID: 7958781 DOI: 10.1111/j.1574-6968.1994.tb07147.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Two recombinant DNA clones, pMG286.2 and pMG301.1, were isolated from the partial genomic library of Mycoplasma gallisepticum strain S6. Recombinant M. gallisepticum specific fragments were used as probes in Southern hybridisation with 10 M. gallisepticum strains whose DNA was digested by EcoRI, HindIII, BglII, RsaI and BamHI. The 1.5 kb fragment pMG301.1 did not show polymorphism in hybridisation patterns with M. gallisepticum strains, while the 3.5 kb fragment pMG286.2 enabled differentiation of M. gallisepticum strains into clusters. The DNA sequence of pMG301.1 was used to design a pair of 27-mer oligonucleotides flanking a 1.3 kb genomic region. These two primers directed specific in vitro amplification of all M. gallisepticum strains assayed giving an expected 1.3 kb product. Digestion of polymerase chain reaction products by DdeI enabled simple differentiation between clusters of M. gallisepticum strains and may be useful for improved epizootiological studies of M. gallisepticum infections in poultry.
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Affiliation(s)
- P Dovc
- University of Ljubljana, Biotechnical Faculty, Zootechnical Department, Domzale, Slovenia
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Benčina D, Kleven SH, Elfaki MG, Snoj A, Dovč P, Dorrer D, Russ I. Variable expression of epitopes on the surface of Mycoplastna gattisepticum demonstrated with monoclonal antibodies. Avian Pathol 1994; 23:19-36. [DOI: 10.1080/03079459408418972] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Fernández C, Mattsson JG, Bölske G, Levisohn S, Johansson KE. Species-specific oligonucleotide probes complementary to 16S rRNA of Mycoplasma gallisepticum and Mycoplasma synoviae. Res Vet Sci 1993; 55:130-6. [PMID: 8378607 DOI: 10.1016/0034-5288(93)90047-j] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Mycoplasma gallisepticum and M synoviae are important avian pathogens causing respiratory diseases which result in great economic losses in poultry farming. Two oligonucleotide probes, complementary to the variable region V8 of 16S rRNA from the avian mycoplasmas M gallisepticum and M synoviae have, therefore, been designed and used in direct filter hybridisation experiments. Both probes gave strong hybridisation signals with their homologous targets, whereas no cross-hybridisations were obtained with any of the other avian mycoplasmas tested. It was possible to detect 2-3 x 10(4) mycoplasma organisms by direct filter hybridisation experiments with radiolabelled probes. The probes were also used to analyse several laboratory strains and field isolates of M gallisepticum and M synoviae with complete agreement between the probe technique and the other methods used for species determination. Atypical M gallisepticum strains also gave strong hybridisation signals with the M gallisepticum specific probe.
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Affiliation(s)
- C Fernández
- National Veterinary Institute, Uppsala, Sweden
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Abstract
Two recombinant DNA probes (pMM-2 and pMM-13) were isolated from a Mycoplasma meleagridis strain 17529 genomic library prepared in plasmid pUC8, and Escherichia coli strain JM83. In dot blot assays, 32P-labeled pMM-13 with a DNA insert of 3.5 kbp, hybridized with 18 isolates of M. meleagridis but not with 16 other known species of avian mycoplasmas. Except for weaker signals on hybridization with the M. meleagridis cultures, pMM-2 with an DNA insert of 0.85 kbp, showed a similar reaction pattern. The minimal concentration of M. meleagridis strain 17529 chromosomal DNA that pMM-13 and pMM-2 detected were 1 and 8 ng, respectively. Neither probe hybridized with chromosomal DNA of M. gallisepticum strain S6, M. synoviae strain WVU-1853, or M. iowae strain I-695 at concentration of 256 ng.
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Affiliation(s)
- S Zhao
- Department of Epidemiology and Preventive Medicine, School of Veterinary Medicine, University of California, Davis 95616
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Abiven P, Blanchard B, Saillard C, Kobisch M, Bove JM. A specific DNA probe for detecting Mycoplasma hyopneumoniae in experimentally infected piglets. Mol Cell Probes 1992; 6:423-9. [PMID: 1474981 DOI: 10.1016/0890-8508(92)90037-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Mycoplasma hyopneumoniae is the primary agent of swine enzootic pneumonia. Because of fastidious growth requirements and its serological cross-reactions with other porcine mycoplasmas, we developed a specific DNA probe for its detection. A partial genomic library of M. hyopneumoniae was constructed in plasmid pBR 322 using Hind III chromosomal fragments. The recombinant plasmids were screened by differential hybridization with M. flocculare and M. hyorhinis genomic DNA probes. One non-hybridizing recombinant plasmid was selected and its 1.65 kbp insert (designated I141) tested for specificity against genomic DNA from numerous mycoplasmas, other bacteria species and DNA from lung tissue of specific pathogen free (SPF) piglets. The 32P labelled I141 could detect specifically down to 400 pg of M. hyopneumoniae genomic DNA. To test the suitability of the I141 probe for the laboratory diagnosis of M. hyopneumoniae infections, we used clinical tracheobronchial specimens from piglets which were experimentally infected with M. hyopneumoniae. The results with hybridization on each specimen were compared to findings with an immunofluorescence test. Of the clinical specimen tested, there was agreement in the two tests of 63%.
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Affiliation(s)
- P Abiven
- Centre National D'Etudes Véterinaires et Alimentaires, Laboratoire Central de Recherches Avicole et Porcine, Ploufragan, France
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Abstract
From a genomic library of Mycoplasma hyopneumoniae a 1.3 kb DNA fragment was cloned which showed specific Southern hybridization and dot hybridization with the type strain of several porcine and bovine Mycoplasma species. This probe selectively recognized M. hyopneumoniae sequences in purified DNA or in broth-grown organisms. The 35S-labelled probe could detect as little as 100 pg of DNA or 10(5) colour changing units. This is a possible alternative diagnostic procedure for enzootic pneumonia of pigs.
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Affiliation(s)
- P Ahrens
- National Veterinary Laboratory, Copenhagen, Denmark
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Mattsson JG, Gersdorf H, Göbel UB, Johansson KE. Detection of Mycoplasma bovis and Mycoplasma agalactiae by oligonucleotide probes complementary to 16S rRNA. Mol Cell Probes 1991; 5:27-35. [PMID: 1708107 DOI: 10.1016/0890-8508(91)90035-i] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The partial sequences of 16S rRNA from Mycoplasma bovis and M. agalactiae were determined by dideoxynucleotide sequencing using reverse transcriptase. Two oligonucleotides complementary to different evolutionary variable regions of 16S rRNA from these two species were synthesized. The oligonucleotides were end-labelled with 32P and used as probes in filter hybridization experiments with different bovine, caprine and ovine mycoplasmas as samples. One of the probes, complementary to a sequence of the V8-region of both M. bovis and M. agalactiae, did not cross-hybridize to any bovine, caprine or ovine mycoplasmas except M. bovigenitalium and M. californicum. This probe is thus not useful for analysis of bovine samples, but can be used for detection of M. agalactiae in samples from goats and sheep, since M. bovigenitalium and M. californicum have never been isolated from these hosts and M. bovis only occasionally. The other probe, complementary to a sequence of the V6-region of M. bovis, gave some cross-hybridization with M. agalactiae but not with bovine mycoplasmas. M. agalactiae has never been isolated from cattle and this probe is therefore useful for rapid screening of bovine samples for M. bovis.
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Abstract
A Mycoplasma iowae (MI) species-specific DNA probe (designated pMI-2) of 6.0 kbp (kilobase pairs) was isolated from an MI strain I-695 genomic library prepared in plasmid pUC8 and Escherichia coli strain JM83. When labeled with [32]P by nick translation, the probe hybridized in dot blot assays with 6 reference strains and 8 field isolates of MI but not with 16 other known species of avian mycoplasmas. The pMI-2 probe detected a minimum of 1.5 ng of MI strain I-695 chromosomal DNA. Under identical conditions of hybridization, the probe did not hybridize with a high concentration (200 ng) of M. gallisepticum or M. synoviae chromosomal DNA.
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Affiliation(s)
- S H Zhao
- Department of Epidemiology and Preventive Medicine, School of Veterinary Medicine, University of California, Davis 95616
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Chu P, Waterhouse P, Martin R, Gerlach W. New Approaches to the Detection of Microbial Plant Pathogens. Biotechnol Genet Eng Rev 1989. [DOI: 10.1080/02648725.1989.10647856] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Hyman HC, Levisohn S, Yogev D, Razin S. DNA probes for Mycoplasma gallisepticum and Mycoplasma synoviae: application in experimentally infected chickens. Vet Microbiol 1989; 20:323-37. [PMID: 2800306 DOI: 10.1016/0378-1135(89)90057-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
DNA probes specific for Mycoplasma gallisepticum and M. synoviae were selected from genomic libraries prepared in the pUC13 vector. The probes hybridized with the DNA of a wide spectrum of strains within each homologous species, but did not react with the heterologous species or with DNA from any other avian mycoplasma or bacteria tested. Experimental infection and contact exposure of chickens to M. gallisepticum served as models to test the effectiveness of the DNA probe in diagnosis as compared with serological and culture detection methods carried out in parallel. A correlation was generally found between the level of M. gallisepticum in tracheal swabs and the effectiveness of the probe, although a predictably reactive level of mycoplasmas was not always detected. Treatment of clinical specimens with acetylcysteine to disrupt mucus improved the detection rate. Dot-blot hybridization with probe pMG4 enabled positive identification of M. gallisepticum at an early stage of infection, prior to the development of a serological response in the infected chicken. Results are obtainable within 4 days of sampling, much more rapidly than culture, and also in clinical specimens from which mycoplasma isolation is impossible, such as carcasses. The results indicate that the use of DNA probes for the early and rapid detection of M. gallisepticum infection is feasible; a development which can replace laborious culture techniques and less effective serological methods, and thus reduce the time required for diagnosis.
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Affiliation(s)
- H C Hyman
- Department of Membrane and Ultrastructure Research, Hadassah Medical School, Hebrew University, Jerusalem, Israel
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Matsuzaki M, Harasawa R, Kimizuka F, Koshimizu K. A non-radioactive DNA probe for the detection of Mycoplasma pulmonis in murine mycoplasmosis. Microbiol Immunol 1989; 33:129-32. [PMID: 2716545 DOI: 10.1111/j.1348-0421.1989.tb01505.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A non-radioactive DNA probe for the detection of Mycoplasma pulmonis was developed by using photobiotin. The probe detected 0.3 ng chromosomal DNA of M. pulmonis. No cross-hybridization was observed between the probe and the other murine mycoplasma species, M. arthritidis and M. neurolyticum.
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Affiliation(s)
- M Matsuzaki
- Department of Veterinary Microbiology, Faculty of Agriculture, Miyazaki University
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Khan M, Kirkpatrick B, Yamamoto R. Mycoplasma gallisepticumspecies and strain‐specific recombinant DNA probes. Avian Pathol 1989; 18:135-46. [DOI: 10.1080/03079458908418586] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Stipkovits L, Belák S, McGwire BS, Ballagi-Pordány A, Sántha M. Rapid identification of Mycoplasma gallisepticum using a simple method of nucleic acid hybridization. Mol Cell Probes 1988; 2:339-44. [PMID: 3247004 DOI: 10.1016/0890-8508(88)90017-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- L Stipkovits
- Veterinary Medical Research Institute, Hungarian Academy of Sciences, Budapest
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Geary SJ, Intres R, Gabridge MG. Species-specific biotinylated DNA probe for the detection of Mycoplasma gallisepticum. Mol Cell Probes 1988; 2:237-44. [PMID: 3221885 DOI: 10.1016/0890-8508(88)90007-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A 5.5 kilobase DNA fragment from an Eco RI digest of the Mycoplasma gallisepticum genome was specific for the detection of M. gallisepticum. This 5.5 kb fragment was initially cloned into bacteriophage lambda gt11 followed by subcloning into the plasmid vector pGEM-3Z. The incorporation of a biotin label was accomplished by utilizing biotin-11-dUTP in a nick translation reaction. This probe, designated pMg6, reacts specifically with M. gallisepticum when tested against various mycoplasma DNAs in Southern blot hybridization analysis. Spot-blot hybridization data indicate the pMg6 is capable of detecting 800 pg of M. gallisepticum DNA.
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Affiliation(s)
- S J Geary
- Bionique Laboratories, Inc., Saranac Lake, NY 12983
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