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Fig. 5. Frequency and spatial distribution of cell cycle length. (A-C)
Reconstructed views of the L1 layer of the same plant, expressing
35S::YFP29-1, over a period of time. (D) Frequency distribution of cell cycle
length among cells in the L1 and in the L2 and corpus together. Each of the
color-coded bars represents a window of cell cycle length and each one of them
is separated by 6 hours. Such individual events are mapped onto the L1 layer
of the SAM in A-C, by marking both of the siblings. In cases where a single
dot can be seen, the cells divided in the subsequent time interval. The color
code employed in the spatial representations is the same as that used in
representing the frequency distribution. The stages in A represent the ones at
the beginning of the experiment. The stages marked in B and C are the ones in
transition from P2 to P3 and P3 to P4, respectively. Elapsed time is indicated
on each panel. White arrows point to cells in primordial regions P0, P-1 and
P-2. White arrowheads point to cells in the intervening region located between
P-1 and P-2. Yellow arrows point to cells in the intervening region, located
between P0 and P-1. The cells marked in regions P-1 and P-2 (A, white arrows)
are also represented in the next panel (B, white arrows) to maintain
continuity.
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