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Fig. 4. Four sets of three consecutive pictures of a representative cell obtained
from four different groups of P. multimicronucleatum cells adapted to
different osmolarities taken at 0, 15 and 30 min, respectively, after changing
the external osmolarity by 60 mosmol l-1. (A) A 144 mosmol
l-1-adapted cell was subjected to 84 mosmol l-1. (B) A
84 mosmol l-1-adapted cell was subjected to 24 mosmol
l-1. (C) A 4 mosmol l-1-adapted cell was subjected to 64
mosmol l-1. (D) A 64 mosmol l-1-adapted cell was
subjected to 124 mosmol l-1. A white arrowhead points to an
indentation of the cell. The top of each cell image corresponds to the
anterior portion of the cell. A number in the upper left corner of each
picture is the time in min after changing the external osmolarity when the
picture was taken. Scale bar, 50 µm.