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High magnification (×50,000) of an intracellular FA1090 P+ OpaE organism that is in the process of dividing. Fragments of host cell membrane are visible in very close apposition to the bacterial outer membrane. This is most visible at the “waist” of the dividing coccus, but redundant fragments can be seen surrounding most of the organism. Note the absence of a clear vacuolar space between the host cell and bacterial cell membranes.
