Table I.

Ethylene insensitivity of Arabidopsis seedlings from independent transgenic lines transformed with the mutated (mut) or wild-type (WT) tomato ethylene-receptor homolog genes, LeETR4 and LeETR5, and control, wild-type Columbia and ethylene-insensitive ein3-1 seedlings

LineLength
mm
Columbia4.9  ± 0.2
ein3-1 7.6  ± 0.3
LeETR4 mut-17.2  ± 0.2
LeETR4 mut-27.2  ± 0.2
LeETR4 mut-37.4  ± 0.6
LeETR4 WT-13.8  ± 0.2
LeETR4 WT-24.0  ± 0.2
LeETR4 WT-34.1  ± 0.2
LeETR5 mut-17.3  ± 0.3
LeETR5 mut-27.3  ± 0.2
LeETR5 mut-37.5  ± 0.2
LeETR5 WT-14.3  ± 0.2
LeETR5 WT-23.9  ± 0.3
LeETR5 WT-34.4  ± 0.2

Data shown indicate lengths (±se) of etiolated seedlings grown in the presence of ACC, as described in Methods.