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. 1977 Mar;129(3):1623–1627. doi: 10.1128/jb.129.3.1623-1627.1977

Altered outer membrane protein in different colonial types of Neisseria gonorrhoeae.

D L Walstad, L F Guymon, P F Sparling
PMCID: PMC235143  PMID: 403181

Abstract

Dark-colored colony types of Neisseria gonorrhoeae (T3 and dark variants of T1 and T2) had markedly increased amounts of an approximately 28,000-dalton outer membrane protein, as compared with light-colored colony types (T4 and light variants of T1 and T2). The presence of this protein appeared to be unrelated to piliation. The apparent molecular weight of this protein on sodium dodecyl sulfate-polyacrylamide gels varied, depending on methods used to solubilize envelope proteins. In view of the location of this protein on the outer membrane, this protein could be important to the pathogenicity or antigenicity of the organism as well as to colonial characteristics in vitro.

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Selected References

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