Image: Plant stoma guard cells

Description: Confocal image of an Arabidopsis stomate showing two guard cells exhibiting green fluorescent protein and native chloroplast (red) fluorescence.
Title: Plant stoma guard cells
Credit: Protein Kinases and Plant Pores. Gross L, PLoS Biology Vol. 4/10/2006, e358 http://dx.doi.org/10.1371/journal.pbio.0040358
Author: (Image: Alex Costa)
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