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The plant cell surface, including the plasma membrane and its immediately adjacent cytoplasm, is the main region of a plant cell’s perception and integration of biotic and abiotic cues from the extracellular environment. In response to these cues, cell surface components including plasma membrane proteins and the cortical cytoskeleton undergo dynamic changes, on a time scale of seconds to minutes1-4. Thus, real-time and high-resolution imaging of fluorescent proteins on the cell surface can illuminate a plant’s responses to environmental cues at the molecular level.
Confocal laser scanning microscopy is a powerful too....