Uptake and rejection of long bacteria by a Dictyostelium cell. This cell expresses two fluorescent markers that differently label the phagosome: The phosphoinositide PIP3 shown in green labels the internalized membrane; actin shown in red accumulates as a ring at the opening of the growing cup. Two bacteria are finally released (white arrows). Frame-to-frame rate is 4 s. Bar, 10 µm.
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