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Figure 6 | BMC Plant Biology

Figure 6

From: High-resolution confocal imaging of wall ingrowth deposition in plant transfer cells: Semi-quantitative analysis of phloem parenchyma transfer cell development in leaf minor veins of Arabidopsis

Figure 6

Survey of wall ingrowth deposition in PP TCs in minor veins across leaf development in Arabidopsis. A. Leaf numbering of 3.5 week-old rosette leaf. B. Representation of wall ingrowth deposition in immature, intermediate and mature leaves as represented by color-coding of the four classes of wall ingrowth deposition as described in Results. The result shown here is representative of three replicate leaves for each stage of development. Immature leaves contain little if any wall ingrowth deposition in PP cells. Intermediate leaves show a basipetal gradient from typically Class III at the tip to Class I at the leaf base. Mature leaves contain Class IV wall ingrowth deposition in PP TCs of minor veins throughout the entire leaf, with the exception of a few examples of Class III at the very base of the leaf. Skeletonized images of leaves shown in Figure 6B were adapted from Alonso-Peral et al. [34].

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