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. Author manuscript; available in PMC: 2012 Dec 21.
Published in final edited form as: Oral Microbiol Immunol. 1998 Dec;13(6):341–347. doi: 10.1111/j.1399-302x.1998.tb00689.x

Fig. 3.

Fig. 3

Double immunofluorescence of KB cells infected with a mixture of A. actinomycetemcomitans strains UP16 and UT32. Extracellular A. actinomycetemcomitans were labeled with TRITC-conjugated goat anti-rabbit IgG (A). Both extracellular and intracellular A. actinomycetemcomitans were labeled with FITC-conjugated goat anti-rabbit IgG (B). The arrows indicate internalized A. actinomycetemcomitans cells. Magnification, ×1000.