Fragment of Dental Plaque Showing Filamentous Bacteria Decorated by Spherical Bacteria (image) Forsyth Institute Share Print E-Mail Caption Dissected dental plaque from a healthy subject. Corynebacteria, magenta; Streptococcus, green. Credit Mark Welch et al, PNAS, 2016 Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.