Fig. 3.

AtSIZ1 locus is At5g60410 as determined by thermal asymmetric interlaced PCR and T-DNA insertion diagnostic PCR. (A) Gene organization of AtSIZ1 and schematic representation of T-DNA insertion alleles are illustrated (arrowheads). Filled boxes are exons, and open rectangles are 5′ or 3′ untranslated regions. (B) Diagram illustrates the domain organization of AtSIZ1 (see Results). (C) AtSIZ1 is expressed in the root (R) and the shoot (S) of the wild type but not in these organs of siz1 seedlings.