Fig. 3 | Scientific Reports

Fig. 3

From: Microscopy and spatial-metabolomics identify tissue-specific metabolic pathways uncovering salinity and drought tolerance mechanisms in Avicennia marina and Phoenix dactylifera roots

Fig. 3

MALDI-MSI results shown in the SCiLS Lab software. An interval width of ± 9.6ppm and ± 20ppm were chosen to detect and display a single peak of interest within the given interval. The color bar shows a blue color for low intensity and yellow for the highest intensity. A hot spot removal was performed at 99% quantile of all image intensities so that the highest intense last percent was set down to 100%. The color bar is extended by a right-pointing triangle and the maximum intensity found in the image is displayed next to the color bar as a percent value relative to the intensity cut-off. The root meristem cross-sections from date palm and mangrove are shown. Left section: mangrove, Right section: date palm. (A) and (B) examples of metabolites only detected in date palm cross-sections. Unknowns: 1048.5406 m/z (A) and 845.2328 m/z (B). (C) and (D) examples of metabolites only detected in mangrove cross-sections. Oraposide 621.1825 m/z (C) and unknown 717.5246 m/z (D). Scale bars: 1 mm (A-D). Co: Cortex; En: Endodermis; Ep: Epidermis; Ex: Exodermis; R/V: Rhizodermis/Velamen.

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