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Article

Multiple Mechanisms of Phase Variation of PorA in Neisseria meningitidis

1 Dec 2000

Abstract excerpt

Previously, we reported that PorA expression in Neisseria meningitidis is modulated by variation in the length of the homopolymeric tract of guanidine residues between the -35 and -10 regions of the promoter or by deletion of porA. To reveal additional mechanisms of variation in PorA expression, the meningococcal isolates from 41 patients and 19 carriers were studied. In addition, at least 3 meningococcal...

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PMID: 11083782
DOI: 10.1128/iai.68.12.6685-6690.2000

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