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The genetic diversity of porB genes from meningococcal isolates characterized as serotype 22 was investigated by gene sequencing. This procedure identified seven distinct porB sequences, demonstrating variation in the PorB protein recognized by the serotype 22 monoclonal antibody. This is consistent with the genetic heterogeneity of serotype 22 meningococci reported previously.


Journal article


J Clin Microbiol

Publication Date





3680 - 3682


Amino Acid Sequence, Bacterial Outer Membrane Proteins, Molecular Sequence Data, Neisseria meningitidis, Porins, Serotyping