Table 1. Phenotypic characterization of tmk mutants.

Genotype	Root Length4DAG (mm)	Etiolated Hypocotyl Length 4DAG (mm)	Maximum Rosette Diameter (cm)	Seeds/Silique
Wild type	21.8±1.4	10.6±1.1	7.5±0.9	50.2±7.1
tmk1	22.5±1.9	10.2±1.5	7.2±1.0	48.6±6.5
tmk2	21.6±1.3	10.0±1.7	6.9±0.7	48.9±9.2
tmk3	23.4±1.7	11.2±1.8	8.1±1.1	51.2±6.8
tmk4	24.8±1.5	10.5±1.4	7.4±0.8	46.3±8.1
tmk1;tmk2	21.2±1.2	10.2±1.7	7.9±0.9	47.2±9.3
tmk1;tmk3	22.6±1.5	10.9±1.6	7.1±0.8	42.8±8.7
tmk1;tmk4	6.9±0.9*	4.2±0.8*	3.6±0.5*	15.4±3.6*
tmk2;tmk3	20.4±1.5	10.7±1.5	7.2±0.7	44.3±7.5
tmk2;tmk4	22.1±1.3	10.3±1.7	7.8±0.6	48.6±6.7
tmk3;tmk4	21.4±1.4	10.8±1.3	7.5±0.8	45.6±7.8
tmk1;tmk2;tmk4	6.6±0.7*	4.4±0.7*	3.1±0.4*	14.6±3.4*
tmk1;tmk2;tmk3	21.4±1.1	10.0±0.8	7.6±0.6	49.4±7.1
tmk1;tmk3;tmk4	3.4±0.4*	2.6±0.7*	2.1±0.3*	4.6±1.3*
tmk2;tmk3;tmk4	19.6±0.8	9.9±1.7	6.9±0.7	50.1±8.3
tmk1;tmk2;tmk3;tmk4	3.2±0.3*	2.4±0.6*	2.1±0.4*	0*
tmk1;tmk4;gTMK1	21.8±1.7	9.9±1.0	7.6±1.0	42.7±9.1
tmk1;tmk4;gTMK4	22.2±1.9	10.2±1.1	7.7±1.1	41.7±11.2
tmk1;tmk3;tmk4;gTMK3	6.3±0.6*	4.2±0.8*	3.7±0.9*	11.4±5.4*
tmk1;tmk2;tmk3;tmk4;gTMK2	3.4±0.5*	2.8±0.9*	2.3±0.4*	3.8±2.1*
tmk1;tmk4;gTMK1:GFP	20.9±1.6	10.4±1.2	7.5±0.9	46.0±6.0

Wild-type plants were compared with various tmk mutant combinations and transgenic plants. The average ± standard deviation is shown for each measurement (n>30). Values that are significantly different (p<0.001) from wild type are labeled with an asterisk. 4 DAG: 4 days after germination.