Fig 4. Coaggregation of S. gordonii DL1 with V. atypica OK5 treated with neuraminidase (A) or fetuin (B).

Note that none of the treatments affected coaggregation between the two species, and S. gordonii cannot adhere to buccal cells treated by neuraminidase or fetuin. The arrows indicate the aggregates at the bottom of the tube. Sg: S. gordonii DL1; Va: V. atypica OK5.