Table 1.

Physiologic indicators in SlDREBA4-overexpression and empty vector-transformed lines.

	Control				Heat stress
	EV	L-3	L-8	L-12	EV	L-3	L-8	L-12
Proline (ng/g·FW)	85.2 ± 6.2	132.8 ± 11.9**	142.3 ± 13.9**	156.6 ± 15.8**	178.8 ± 10.5	458.6 ± 40.5**	487.8 ± 25.9**	603.6 ± 36.8**
Malondialdehyde (nmol/g·FW)	83.9 ± 7.2	76.9 ± 6.4	80.5 ± 7.8	75.9 ± 8.6	344.9 ± 23.6	189.3 ± 15.3**	145.9 ± 16.9**	159.8 ± 18.9**
Soluble total sugar (mg/g·FW)	21.4 ± 1.5	39.6 ± 2.1**	30.9 ± 1.8**	38.81 ± 1.0**	42.8 ± 5.2	78.9 ± 6.3**	91.6 ± 4.6**	82.3 ± 3.6**
Soluble starch (mg/g·FW)	21.7 ± 1.3	26.3 ± 2.3*	29.6 ± 3.1*	28.7 ± 1.5*	45.6 ± 1.2	82.6 ± 5.3**	75.1 ± 3.6**	91.2 ± 2.9**
Electrolyte leakage rate (%)	16.8 ± 0.9	15.6 ± 1.6	16.7 ± 0.8	15.4 ± 1.2	82.8 ± 9.6	36.1 ± 4.3**	35.4 ± 4.1**	38.9 ± 1.6**
POD (U/g·FW)	1.8 ± 0.1	5.7 ± 0.1**	6.6 ± 0.2**	4.6 ± 0.1**	5.4 ± 0.1	20.1 ± 0.5**	25.8 ± 0.3**	30.8 ± 0.4**
SOD (U/g·FW)	1654.6 ± 78.9	3335.8 ± 121.8**	3708.6 ± 198.6**	3658.3 ± 154.6**	2269.6 ± 45.5	6366.5 ± 69.5**	6432.5 ± 157.6**	8239.6 ± 110.6**
CAT (U/g·FW)	504.4 ± 56.4	935.1 ± 35.9**	919.2 ± 23.6**	990.9 ± 32.5**	909.8 ± 90.6	2023.9 ± 58.6**	2056.8 ± 115.6**	2123.8 ± 69.3**
ABA (ng/g·FW)	44.7 ± 1.5	49.2 ± 5.8	48.9 ± 6.7	48.1 ± 5.2	127.9 ± 5.9	123.8 ± 9.1	117.7 ± 6.8	122.8 ± 8.3
JA (ng/g·FW)	17.2 ± 2.1	81.3 ± 7.1**	91.6 ± 3.9**	87.5 ± 9.5**	38.8 ± 2.3	245.6 ± 22.6**	278.6 ± 30.2**	215.9 ± 11.9**
SA (ng/g·FW)	5.5 ± 0.2	39.7 ± 3.6**	45.3 ± 6.4**	36.8 ± 1.5**	10.6 ± 0.9	156.8 ± 14.5**	145.6 ± 12.6**	158.5 ± 10.3**
ACC (ng/g·FW)	756.6 ± 56.9	2063.8 ± 235.6**	2653.8 ± 214.6**	2145.8 ± 98.6**	1231.5 ± 156.3	3684.1 ± 312.5**	4123.8 ± 396.5**	3569.8 ± 212.3**
IAA (ng/g·FW)	0.79 ± 0.06	0.2 ± 0.01**	0.16 ± 0.01**	0.18 ± 0.01**	0.46 ± 0.05	0.1 ± 0.01**	0.13 ± 0.01**	0.15 ± 0.01**

EV, empty vector-transformed lines; L-3, L-8, and L-12, SlDREBA4-overexpression lines. The results are indicated as the means of the three biological replicates ± SDs (Student’s t-test, *P < 0.05, **P < 0.01).