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Elimination of chanel-forming activity by insertional inactivation of the p66 gene in Borrelia burgdorferi.
Umeå University, Faculty of Medicine, Molecular Biology (Faculty of Medicine). (Bergström)
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2007 (English)In: FEMS Microbiol Lett, Vol. 266, 241-249 p.Article in journal (Refereed) Published
Abstract [en]

Abstract P66 is a chromosomally encoded 66-kDa integral outer membrane protein of the Lyme disease agent Borrelia burgdorferi exhibiting channel-forming activity. Herein, we inactivated and subsequently complemented the p66 gene in the B31-A (WT) strain. The P66 protein was also inactivated in two other channel-forming protein mutant strains, P13-18 (Deltap13) and Deltabba01, and then compared with the channel-forming activities of wild-type and various p66 mutant strains. We further investigated the ion-selectivity of native, purified P66. In conclusion, we show that the porin activity of P66 is eliminated by insertional inactivation and that this activity can be rescued by gene complementation.

Place, publisher, year, edition, pages
2007. Vol. 266, 241-249 p.
Keyword [en]
channel-forming activity, P66, porin, insertional inactivation, Borrelia burgdorferi
URN: urn:nbn:se:umu:diva-12888DOI: doi:10.1111/j.1574-6968.2006.00529.xPubMedID: 17233736 (#1)OAI: diva2:152559
Available from: 2007-10-03 Created: 2007-10-03 Last updated: 2011-01-11Bibliographically approved

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Bergström, Sven
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Molecular Biology (Faculty of Medicine)

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