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DIC images of an Arabidopsis root tip at 5 different focuses (Zeiss 20X, NA=0.8)
1. Lateral root cap.jpg

Cross section view of an Arabidopsis root vasculature. Magenta, Sieve element marker ENODL9promoter::ENODL9-mScarletI. Green, companion cell marker SUC2promoter::GFP-GUS.

vasculature.jpeg
An Arabidopsis leaf expressing EPF1promoter-erGFP in the stomatal guard cells of stomatal precursors. Stomata are nor formed in contact, which may contribute to efficient gas exchange. EPF1 is a secretory peptide that inhibits as a lateral inhibitory molecule, which inhibits formation of clustered stomata.
EPF1GFP.jpeg
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