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Somatic mutations caused by excision of the transposable element, Tpnl, from the DFR gene for pigmentation in sub-epidermal layer of periclinally chimeric flowers of Japanese morning glory and their germinal transmission to their progeny.
Suberization usually begins in the outer layers of the cortex, where groups of cells divide periclinally and originate the layers of cells that suberize (Fig.
The mesophyll is dorsiventral with a palisade parenchyma with periclinally elongated cells facing the adaxial surface, filling about half of the mesophyll (Figure 2A).