Microscopy from Scientific Research

R-GECO1 signal (top) and chlorophyll (bottom) of NTRC-R-GECO1 line. Scale bar, 50 m. White arrows in 1, 8, 16, and 40 s indicate chloroplasts with increased signal, and white dashed lines indicate chloroplasts of mesophyll cells in (C) and (F). See alsoFigures S1S3andVideos S1,S2, andS3.

DOI