Figure 4
From: Gene expression profile and pathogenicity of biofilm-forming Prevotella intermedia strain 17
![Figure 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2180-9-11/MediaObjects/12866_2008_Article_682_Fig4_HTML.jpg)
Transmission electron microscopy of negatively stained exopolysaccharides isolated from Prevotella intermedia strains 17 culture supernatants. Note the fine fibrous structures that are formed in bundles. Bar = 500 nm.