title: Purification of periplasmic flagellar antigen from Borrelia microtti.
abstract: Borrelia microtti and Borrelia persica are 2 Iranian strains of Borrelia found in western Asia and responsible for relapsing fever. The outer surface antigens of Borrelia undergo variations which are responsible for the relapsing phenomenon. The fixed flagellar antigen is required for diagnosis as the variant antigens cannot be used in serological methods of diagnosis. The fixed flagellar antigen was purified for the first time from the Iranian strain of Borrelia microtti using detergent treatment and shearing in an omnimixer. Periplasmic flagella were extracted, as confirmed by electron microscopy. Sodium dodecyl sulphate-polyacrylamide gel electrophoresis revealed a band corresponding to 42 kDa. Indirect haemagglutination kits were designed using the pure flagella and the complete sonicate of Borrelia and showed 98% sensitivity and 95% specificity.
authors.affiliation: Department of Parasitology, Pasteur Institute of Iran, Tehran.
authors.forename: Mehdi
authors.initials: M
authors.lastname: Assmar
authors.forename: Mohammad
authors.initials: M
authors.lastname: Soleimani
authors.forename: Farzad
authors.initials: F
authors.lastname: Oreiz
authors.forename: Norair
authors.initials: N
authors.lastname: Piazak
authors.forename: Seyed Mohammad
authors.initials: SM
authors.lastname: Hossini
authors.forename: Reza
authors.initials: R
authors.lastname: Saghiri
authors.forename: Zahra
authors.initials: Z
authors.lastname: Zamani
mesh_terms: D000942:Antigens, Bacterial / Q000302:isolation & purification*; D000954:Antigens, Surface / Q000276:immunology / Q000302:isolation & purification; D001898:Borrelia / Q000276:immunology* / Q000472:pathogenicity / Q000648:ultrastructure; D004591:Electrophoresis, Polyacrylamide Gel; D005407:Flagella / Q000276:immunology / Q000378:metabolism / Q000648:ultrastructure; D005408:Flagellin / Q000737:chemistry / Q000276:immunology / Q000302:isolation & purification*; D014644:Genetic Variation; D006386:Hemagglutination Tests / Q000379:methods; D008193:Lyme Disease / Q000175:diagnosis / Q000517:prevention & control; D019897:Periplasm / Q000737:chemistry; D012061:Relapsing Fever / Q000175:diagnosis / Q000276:immunology; D012680:Sensitivity and Specificity; D012699:Serology / Q000639:trends; D012967:Sodium Dodecyl Sulfate
chemical_list: D000942:Antigens, Bacterial; D000954:Antigens, Surface; D005408:Flagellin; D012967:Sodium Dodecyl Sulfate