Figure 7.

Cytological Analysis of Epidermal Cell Walls in et2 and smt2 Petals, Cotyledons, and Leaves.

(A) Epidermal cell wall morphology and nuclear DNA staining in mature petals of the wild type (wt), et2, and the SMT2 mutant alleles frill1 and cvp1-3. Arrows indicate aberrations in cell wall formation and the ectopic presence of polyploid nuclei. Bars = 10 µm.

(B) Epidermal cell wall morphology in cotyledons of 7-d-old seedlings and in emerging leaves of 14-d-old seedlings. Arrows indicate defects in cell wall formation, such as partial cell walls and cell wall stubs. Bars = 10 µm.