Cell surface hydrophobicity of Actinobacillus actinomycetemcomitans Y4

A. Kozlovsky*, Z. Metzger, I. Eli

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Abstract Oral bacteria colonize the dento‐gingival tissues in a selective manner. Hydrophobic reactions have been suggested as one of the major mechanisms of adhesion. Hydrophobicity of Actinobacillus actinomycetemcomitans Y4 (Aa) cells was studied in vitro using adherence to the liquid hydrocarbon, octane. Adherence of Aa cells to octane varied from 60–90%, depending on the medium in which they were grown, age of the culture and the buffer in which the assay was carried out. These data suggest that Aa is a hydrophobic bacterium, the hydrophobicity of which is expressed to a varying degree, and may have a role in its adherence to oral tissues.

Original languageEnglish
Pages (from-to)370-372
Number of pages3
JournalJournal of Clinical Periodontology
Issue number6
StatePublished - Jul 1987


  • Actinobacillus actinomycetemcomitans
  • hydrophobic
  • juvanile periodontitis
  • octane


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