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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Microb Pathog. 2012 Aug 29;53(0):234–242. doi: 10.1016/j.micpath.2012.08.005

Fig. 1.

Fig. 1

(a) and (b) SEM of control uninfected Ca9-22 cells demonstrated that cellular projections (surface roughness) were not due to the presence of bacteria. ×5000 and ×10,000. (c) Ca9-22 co-infected with P. gingivalis ATCC 33277 and F. nucleatum TDC 100 for 1 h. P. gingivalis and F. nucleatum were commonly forming consortia and appear to be penetrating into the host cell. ×10,000 (d) Enlarged view; membrane blebbing was observed (arrow). (e) Near the entry site of F. nucleatum–P. gingivalis consortia, independent P. gingivalis (arrow) was observed.