Physiological and Biochemical Responses of Ulva prolifera and Ulva linza to Cadmium Stress
Table 2
Effects of different concentration of Cd2+ (0, 5, 10, 30, 40, and 80 mol L−1) on organic solute content of U. prolifera and U. linza.
Cd2+ treatment
SS
FAA
PRO
OA
SP
mol L−1
mmol g−1 DW
mmol g−1 DW
mmol g−1 DW
mmol g−1 DW
mg g−1 DW
U. prolifera
0
0.15 ± 0.02 b
1.03 ± 0.05 b
0.13 × × 10−3 e
0.17 ± 0.01 a
42.15 ± 2.33 a
5
0.15 ± 0.02 b
1.29 ± 0.12 a
0.33 × × 10−3 d
0.17 ± 0.01 a
41.38 ± 2.76 a
10
0.12 ± 0.01 bc
1.10 ± 0.04 ab
0.69 × × 10−3 c
0.19 ± 0.02 a
40.45 ± 1.86 a
20
0.10 ± 0.01 c
0.49 ± 0.11 c
1.06 × × 10−3 b
0.16 ± 0.02 a
38.39 ± 2.75 ab
40
0.14 ± 0.01 b
0.22 ± 0.05 d
1.47 × × 10−3 a
0.12 ±0.01 b
35.53 ± 2.63 b
80
0.19 ± 0.01 a
0.13 ± 0.06 d
1.52 × × 10−3 a
0.09 ± 0.01 c
24.35 ± 1.88 c
U. linza
0
0.10 ± 0.01 cd
1.23 ± 0.03 b
0.15 × × 10−3 f
0.11 ± 0.02 a
39.27 ± 1.22 a
5
0.10 ± 0.01 cd
1.43 ± 0.09 a
0.37 × × 10−3 e
0.12 ± 0.01 a
38.89 ± 2.37 ab
10
0.07 ± 0.01 d
1.21 ± 0.10 b
0.78 × × 10−3 d
0.13 ± 0.01 a
38.52 ± 2.67 ab
20
0.10 ± 0.01 c
1.20 ± 0.06 b
1.24 × × 10−3 c
0.14 ± 0.02 a
37.13 ± 1.89 ab
40
0.14 ± 0.02 b
0.97 ± 0.06 c
1.71 × × 10−3 b
0.12 ± 0.01 a
35.95 ± 2.41 b
80
0.19 ± 0.01 a
0.76 ± 0.08 d
1.87 × × 10−3 a
0.08 ± 0.01 b
29.34 ± 1.87 c
Different letters in the same column indicate statistical difference according to Duncan’s multiple range test (). “SS, FAA, PRO, OA, and SP” in the table indicate the content of soluble sugar, free amino acid, proline, organic acid, and soluble protein, respectively.
