The homeobox gene GLABRA2 affects seed oil content in Arabidopsis.
Shen B, Sinkevicius KW, Selinger DA, Tarczynski MC. Plant Mol Biol. 2006 Feb;60(3):377-87.
...... phenotype is caused by the disruption of the GLABRA2 gene, a previously identified gene that encodes a homeobox protein required for normal trichome and root hair development. Knockout of GLABRA2 did not affect LEAFY COTYLEDON 1 and PICKLE expression in developing embryo. The result indicates that in addition to its known function in trichome and root hair development, GLABRA2 is involved in the control of seed oil accumulation. ......