Fig. 4.

Fig. 4. Confocal laser scanning microscopy (CLSM) images of Streptococcus mutans KCTC 5458 biofilm on glass coupons surface treated with Lactobacillus brevis KCCM 202399 cell-free supernatant (CFS) (× 100 magnification). A group: control group (untreated with L. brevis CFS); B group: treated with L. rhamnosus GG CFS; C group: treated with L. brevis KCCM 202399 CFS.

© J. Microbiol. Biotechnol.