Figure 1.

Interaction of Arabidopsis ATI3 and ATG8 proteins in yeast cells. The activation domain (AD) fusions of ATI3 genes were cotransformed with the empty Gal4 DNA binding domain vector (pBD) and fusions of ATG8 genes into yeast cells and grown in the absence of leucine, tryptophan and histidine (A). Proteins were isolated from the yeast cells and assayed for β-galactosidase activity using o-nitrophenyl-β-d-galactopyranose (ONPG) as substrate (B). Data represent means and standard errors (n = 5).