title: DNA polymorphism in Mycobacterium paratuberculosis, "wood pigeon mycobacteria," and related mycobacteria analyzed by field inversion gel electrophoresis.
abstract: Mycobacterium paratuberculosis strains, mycobacteria from patients suffering from Crohn's disease, "wood pigeon mycobacteria," and representatives of Mycobacterium avium-Mycobacterium intracellulare were compared by restriction endonuclease DraI digestion and field inversion gel electrophoresis. Characteristic profiles were seen for M. paratuberculosis, including isolates from patients suffering from Crohn's disease, for wood pigeon mycobacteria, and for M. avium-M. intracellulare serotypes 2, 16, 18, and 19. Two M. paratuberculosis strains used for vaccine production (St 18 and 316 F) presented patterns different from those of the other M. paratuberculosis strains. Strains St 18 yielded a pattern identical to that of the M. avium type strain serotype 2, whereas 316 F gave a unique pattern. The method developed in this study represents a useful taxonomic tool for the identification and classification of mycobacteria.
authors.affiliation: Unité de la Tuberculose et des Mycobactéries, Institut Pasteur, Paris, France.
authors.forename: V V
authors.initials: VV
authors.lastname: Lévy-Frébault
authors.forename: M F
authors.initials: MF
authors.lastname: Thorel
authors.forename: A
authors.initials: A
authors.lastname: Varnerot
authors.forename: B
authors.initials: B
authors.lastname: Gicquel
mesh_terms: D000818:Animals; D010856:Columbidae; D003424:Crohn Disease / Q000382:microbiology; D004269:DNA, Bacterial / Q000032:analysis*; D015252:Deoxyribonucleases, Type II Site-Specific; D004587:Electrophoresis, Agar Gel; D006801:Humans; D009161:Mycobacterium / Q000235:genetics*; D015269:Mycobacterium avium Complex / Q000235:genetics*; D010283:Paratuberculosis / Q000382:microbiology; D012150:Polymorphism, Restriction Fragment Length; D015183:Restriction Mapping
chemical_list: D004269:DNA, Bacterial; D015252:Deoxyribonucleases, Type II Site-Specific; C035594:TTTAAA -specific type II deoxyribonucleases