Figure 2.

Scanning electron micrographs showing surface structures of Prevotella intermedia strains 17 (A), OD1-16 (B) and ATCC 25611 (C) and Porphyromonas gingivalis ATCC 33277 (D), 381 (E) and W83 (F) grown on blood agar plates. P. intermedia strains 17 and OD1-16 had dense meshwork structures surrounding the cell surfaces (A and B), but other strains lacked this phenotype. Bars = 1.2 μm.

Yamanaka et al. BMC Infectious Diseases 2011 11:228   doi:10.1186/1471-2334-11-228
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