Table 1 Total amount of lipid in each head-group class and ratios of different lipid classes after various low-temperature treatments of Arabidopsis and rice

DGDG

Arabidopsis

47.49 ± 3.00^ab

50.54 ± 4.68^a

41.28 ± 3.71^c

45.22 ± 7.03^bc

17.17 ± 2.12^d

5.88 ± 1.01^e

3.41 ± 1.25^e

Rice

38.69 ± 2.29^ab

39.07 ± 3.08^ab

38.22 ± 2.19^b

41.58 ± 1.12^a

27.91 ± 3.46^c

22.61 ± 1.70^d

8.43 ± 1.12^e

MGDG

Arabidopsis

235.54 ± 17.77^a

159.59 ± 26.35^b

174.79 ± 24.64^b

213.70 ± 24.43^a

7.68 ± 1.02^c

3.93 ± 0.65^c

2.82 ± 0.62^c

Rice

103.43 ± 5.93^a

73.53 ± 4.96^c

70.97 ± 3.83^c

93.72 ± 4.07^b

51.03 ± 11.24^d

22.28 ± 2.44^e

6.47 ± 2.54^f

PG

Arabidopsis

11.12 ± 3.13^ab

11.77 ± 1.87^a

9.56 ± 1.01^b

9.68 ± 1.32^b

4.97 ± 0.75^c

2.36 ± 0.42^d

1.42 ± 0.17^d

Rice

5.46 ± 0.88^a

3.05 ± 0.28^b

2.72 ± 0.25^bc

2.99 ± 0.38^bc

2.47 ± 0.43^c

1.45 ± 0.16^d

0.54 ± 0.09^e

PA

Arabidopsis

0.25 ± 0.07^d

2.32 ± 0.83^cd

1.41 ± 0.69^d

0.50 ± 0.10^d

24.75 ± 4.13^a

20.74 ± 5.88^b

6.00 ± 3.24^c

Rice

0.18 ± 0.07^c

0.47 ± 0.09^c

0.11 ± 0.02^c

0.12 ± 0.03^c

3.57 ± 1.23^b

5.90 ± 1.26^a

2.81 ± 0.27^b

PC

Arabidopsis

13.80 ± 1.34^b

13.52 ± 2.35^b

16.51 ± 1.79^a

15.94 ± 1.07^a

3.18 ± 0.86^c

0.68 ± 0.52^d

0.76 ± 0.43^d

Rice

12.66 ± 0.94^a

10.63 ± 0.72^b

9.77 ± 0.37^bc

9.13 ± 0.73^c

9.84 ± 1.22^bc

6.30 ± 0.37^d

2.57 ± 0.59^e

PE

Arabidopsis

2.18 ± 0.39^a

2.15 ± 0.81^a

2.66 ± 0.99^a

2.50 ± 0.76^a

0.36 ± 0.16^b

0.09 ± 0.07^b

0.07 ± 0.05^b

Rice

0.97 ± 0.21^b

1.41 ± 0.17^a

1.03 ± 0.15^b

0.76 ± 0.12^c

1.11 ± 0.15^b

0.70 ± 0.05^c

0.25 ± 0.08^d

PI

Arabidopsis

5.21 ± 0.65^b

6.93 ± 1.59^a

6.90 ± 1.35^a

6.92 ± 0.56^a

5.68 ± 0.59^b

3.31 ± 0.31^c

1.06 ± 0.24^d

Rice

2.61 ± 0.22^ab

2.46 ± 0.19^b

2.47 ± 0.24^b

2.48 ± 0.26^b

1.72 ± 0.05^c

2.84 ± 0.23^a

1.56 ± 0.32^c

PS

Arabidopsis

0.21 ± 0.06^ab

0.09 ± 0.03^c

0.18 ± 0.04^b

0.25 ± 0.04^a

0.03 ± 0.01^d

0.02 ± 0.01^d

0.03 ± 0.03^d

Rice

0.22 ± 0.03^a

0.15 ± 0.03^bc

0.11 ± 0.01^de

0.13 ± 0.02^cd

0.17 ± 0.03^b

0.14 ± 0.01^cd

0.07 ± 0.03^e

Total

Arabidopsis

315.92 ± 16.69^a

247.16 ± 27.43^b

253.44 ± 29.78^b

294.83 ± 33.53^a

64.20 ± 5.07^c

37.37 ± 6.16^cd

15.83 ± 3.84^d

Rice

164.27 ± 7.38^a

130.88 ± 8.70^c

125.46 ± 6.23^c

149.96 ± 5.93^b

98.00 ± 15.14^d

62.43 ± 3.88^e

22.82 ± 3.74^f

MGDG:DGDG

Arabidopsis

4.97 ± 0.48^a*

3.20 ± 0.71^c*

4.23 ± 0.46^b*

4.75 ± 0.31^ab*

0.46 ± 0.09^d*

0.67 ± 0.07^d*

0.91 ± 0.37^d

Rice

2.67 ± 0.10^a

1.88 ± 0.08^c

1.86 ± 0.06^c

2.23 ± 0.08^b

1.81 ± 0.20^c

0.99 ± 0.10^d

0.75 ± 0.23^e

PC:PE

Arabidopsis

6.47 ± 1.09^c*

6.93 ± 2.33^c

5.46 ± 0.94^c*

6.89 ± 2.10^c*

8.31 ± 0.91^b

9.30 ± 4.93^a

13.48 ± 4.07^a

Rice

14.09 ± 0.57^a

7.57 ± 0.74^e

9.53 ± 1.02^cd

12.20 ± 1.46^b

8.92 ± 0.29^de

9.10 ± 0.88^d

10.67 ± 1.03^c

Galactolipid:Phospholipid

Arabidopsis

8.83 ± 1.64^a*

5.79 ± 0.87^c

5.81 ± 0.55^c*

7.23 ± 0.52^b*

0.65 ± 0.10^d*

0.38 ± 0.12^d*

0.78 ± 0.39^d*

Rice

6.46 ± 0.60^b

6.19 ± 0.24^b

6.75 ± 0.38^b

8.63 ± 0.44^a

4.17 ± 0.67^c

2.61 ± 0.33^d

1.96 ± 0.61^e