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(A and B) Immuno-SEM micrographs demonstrating localization of the eDNA probe near the E. faecalis septum. (C) Endogenous lysis of cells in an older (48-h) biofilm display an entirely different morphology from that seen in early biofilms, as DNA (asterisks) is released from a ruptured cell (arrow). Bars, 500 nm.
