Fig. 11.
Immunofluorescent co-localization of MPK6 and microtubules in preprophase and cytokinetic cells of Arabidopsis Landsberg erecta (Ler), yda1 and ΔNyda1. (a) Spotlike accumulation of MPK6 fluorescence in the vicinity of the preprophase band (PPB) in a Ler epidermal preprophase cell (brackets in both panels). (b) Accumulation of MPK6 signal within a phragmoplast of a Ler cytokinetic cell (arrows). (c) Absence of MPK6 localization from the PPB (brackets) of a yda1 epidermal preprophase cell. (d) The phragmoplast of a yda1 cytokinetic cell is devoid of MPK6 immunofluorescence (arrows). (e) Spot-like decoration of PPB (brackets) with MPK6 in a ΔNyda1 root epidermal preprophase cell. (f) MPK6 labeling of two phragmoplasts in epidermal cytokinetic cells of ΔNyda1. Bars, 10 μm.