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Directionality of the phragmoplast peripheral microtubules. Arabidopsis root meristem stably expressing 35S:GFP-MBD and pUBQ:RFP-EB1b during late cytokinesis is shown. Plus ends (RFP-EB1b) marked with arrow heads of peripheral microtubules (GFP-MBD) from the leading edge of the phragmoplast reach out toward the putative division site. The cell boundary is marked with a dashed line. To see this figure in color, go online.
