Comamonas testosteroni colony phenotype influences exopolysaccharide production and coaggregation with yeast cells.

Abstract excerpt

A Comamonas testosteroni strain was isolated from activated sludge on the basis of its ability to coaggregate with yeast cells. On agar plates the following two types of colonies were formed: colonies with a mucoid appearance and colonies with a nonmucoid appearance. On plates this strain alternated between the two forms, making sectored colonies. In liquid medium with constant agitation no such change was...

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