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. 2002 Oct;130(2):657–665. doi: 10.1104/pp.004564

Figure 7.

Figure 7

Number of cells in the SAM of ethylene mutants and KNAT2-GR line. A, Seven-day-old seedlings were stained with the nuclear stain propidium iodide and viewed directly in a TCS-NT confocal laser scanning microscope (left; [Leica Microsystems, Heidelberg]). The number of cells in each layer of the SAM was determined on cross sections in the median plan (right). B, Number of cells in L1, L2, and L3 layers determined from 30 7-d-old optical views of Ler, ein2-45, ctr1-10, ColO, and etr1-1 seedlings grown and stained as described in A. C, Number of cells in L1, L2, and L3 layers determined from 30 7-d-old optical views of KNAT2-GR seedlings grown and stained as described in A.