Colonial differentiation and hydrophobicity of a Vibrio sp.

Nechemia Sar, Eugene Rosenberg*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A Vibrio sp., isolated from the skin of a barracuda, swarmed over the surface of an agar medium, forming distinct concentric growth zones. Each zone contained cells of characteristic morphology. The surface hydrophobicity measured by the direction-of-spreading method increased from the periphery to the center of the colony, but cells suspended from each growth zone failed to adhere to hexadecane. The high surface hydrophobicity at the center of the colony was correlated with the presence of a loosely bound amphipathic emulsifying agent.

Original languageEnglish
Pages (from-to)331-334
Number of pages4
JournalCurrent Microbiology
Issue number5
StatePublished - May 1989


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