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Changes in the protein profile and antigenicity of different <i>Borrelia burgdorferi</i> strains after reintroduction to <i>Ixodes ricinus</i> ticks
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In
Parasite Immunology, Wiley, 1992/14/4/415-427
Résumé
Eight Swiss strains of <i>Borrelia burgdorferi</i>, with various protein profiles and the North-American strain B31 were artificially introduced into <i>Ixodes ricinus</i> ticks and reisolated 10 days later. All isolates were subsequently examined by SDS-PAGE analysis. Comparing initial isolates with the reisolates, we observed that 7 out of 9 strains changed their protein pattern with respect to the major proteins OspA, OspB and the 22 kDa protein after passage in the tick. The strains NE2, NE4 and NE83 with the initial phenotype of OspA and 22 kDa proteins changed to the phenotype of OspA and OspB, the strains B2 and NE202 with the initial phenotype of OspA acquired an additional protein of 22 kDa and the strain NE58 with the initial phenotype of OspA also acquired a protein of 22 kDa. Examination of these isolates by Western blot analysis demonstrated that the reaction with the monoclonal antibody H5332 and a monospecific polyclonal antibody PoAb/anti-22 kDa differed between the initial isolates and the reisolates.
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Type de publication
journal article
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