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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

From: Glycerolipidome responses to freezing- and chilling-induced injuries: examples in Arabidopsis and rice

Lipid class Plant species   Arabidopsis (−6 °C)/rice (10 °C) Arabidopsis (−12 °C)/rice (4 °C)
   C T R1 R3 T R1 R3
   Lipid content (nmol per mg dry weight)
DGDG Arabidopsis 47.49 ± 3.00ab 50.54 ± 4.68a 41.28 ± 3.71c 45.22 ± 7.03bc 17.17 ± 2.12d 5.88 ± 1.01e 3.41 ± 1.25e
  Rice 38.69 ± 2.29ab 39.07 ± 3.08ab 38.22 ± 2.19b 41.58 ± 1.12a 27.91 ± 3.46c 22.61 ± 1.70d 8.43 ± 1.12e
MGDG Arabidopsis 235.54 ± 17.77a 159.59 ± 26.35b 174.79 ± 24.64b 213.70 ± 24.43a 7.68 ± 1.02c 3.93 ± 0.65c 2.82 ± 0.62c
  Rice 103.43 ± 5.93a 73.53 ± 4.96c 70.97 ± 3.83c 93.72 ± 4.07b 51.03 ± 11.24d 22.28 ± 2.44e 6.47 ± 2.54f
PG Arabidopsis 11.12 ± 3.13ab 11.77 ± 1.87a 9.56 ± 1.01b 9.68 ± 1.32b 4.97 ± 0.75c 2.36 ± 0.42d 1.42 ± 0.17d
  Rice 5.46 ± 0.88a 3.05 ± 0.28b 2.72 ± 0.25bc 2.99 ± 0.38bc 2.47 ± 0.43c 1.45 ± 0.16d 0.54 ± 0.09e
PA Arabidopsis 0.25 ± 0.07d 2.32 ± 0.83cd 1.41 ± 0.69d 0.50 ± 0.10d 24.75 ± 4.13a 20.74 ± 5.88b 6.00 ± 3.24c
  Rice 0.18 ± 0.07c 0.47 ± 0.09c 0.11 ± 0.02c 0.12 ± 0.03c 3.57 ± 1.23b 5.90 ± 1.26a 2.81 ± 0.27b
PC Arabidopsis 13.80 ± 1.34b 13.52 ± 2.35b 16.51 ± 1.79a 15.94 ± 1.07a 3.18 ± 0.86c 0.68 ± 0.52d 0.76 ± 0.43d
  Rice 12.66 ± 0.94a 10.63 ± 0.72b 9.77 ± 0.37bc 9.13 ± 0.73c 9.84 ± 1.22bc 6.30 ± 0.37d 2.57 ± 0.59e
PE Arabidopsis 2.18 ± 0.39a 2.15 ± 0.81a 2.66 ± 0.99a 2.50 ± 0.76a 0.36 ± 0.16b 0.09 ± 0.07b 0.07 ± 0.05b
  Rice 0.97 ± 0.21b 1.41 ± 0.17a 1.03 ± 0.15b 0.76 ± 0.12c 1.11 ± 0.15b 0.70 ± 0.05c 0.25 ± 0.08d
PI Arabidopsis 5.21 ± 0.65b 6.93 ± 1.59a 6.90 ± 1.35a 6.92 ± 0.56a 5.68 ± 0.59b 3.31 ± 0.31c 1.06 ± 0.24d
  Rice 2.61 ± 0.22ab 2.46 ± 0.19b 2.47 ± 0.24b 2.48 ± 0.26b 1.72 ± 0.05c 2.84 ± 0.23a 1.56 ± 0.32c
PS Arabidopsis 0.21 ± 0.06ab 0.09 ± 0.03c 0.18 ± 0.04b 0.25 ± 0.04a 0.03 ± 0.01d 0.02 ± 0.01d 0.03 ± 0.03d
  Rice 0.22 ± 0.03a 0.15 ± 0.03bc 0.11 ± 0.01de 0.13 ± 0.02cd 0.17 ± 0.03b 0.14 ± 0.01cd 0.07 ± 0.03e
Total Arabidopsis 315.92 ± 16.69a 247.16 ± 27.43b 253.44 ± 29.78b 294.83 ± 33.53a 64.20 ± 5.07c 37.37 ± 6.16cd 15.83 ± 3.84d
  Rice 164.27 ± 7.38a 130.88 ± 8.70c 125.46 ± 6.23c 149.96 ± 5.93b 98.00 ± 15.14d 62.43 ± 3.88e 22.82 ± 3.74f
   Ratio of lipid
MGDG:DGDG Arabidopsis 4.97 ± 0.48a* 3.20 ± 0.71c* 4.23 ± 0.46b* 4.75 ± 0.31ab* 0.46 ± 0.09d* 0.67 ± 0.07d* 0.91 ± 0.37d
  Rice 2.67 ± 0.10a 1.88 ± 0.08c 1.86 ± 0.06c 2.23 ± 0.08b 1.81 ± 0.20c 0.99 ± 0.10d 0.75 ± 0.23e
PC:PE Arabidopsis 6.47 ± 1.09c* 6.93 ± 2.33c 5.46 ± 0.94c* 6.89 ± 2.10c* 8.31 ± 0.91b 9.30 ± 4.93a 13.48 ± 4.07a
  Rice 14.09 ± 0.57a 7.57 ± 0.74e 9.53 ± 1.02cd 12.20 ± 1.46b 8.92 ± 0.29de 9.10 ± 0.88d 10.67 ± 1.03c
Galactolipid:Phospholipid Arabidopsis 8.83 ± 1.64a* 5.79 ± 0.87c 5.81 ± 0.55c* 7.23 ± 0.52b* 0.65 ± 0.10d* 0.38 ± 0.12d* 0.78 ± 0.39d*
  Rice 6.46 ± 0.60b 6.19 ± 0.24b 6.75 ± 0.38b 8.63 ± 0.44a 4.17 ± 0.67c 2.61 ± 0.33d 1.96 ± 0.61e
  1. “C” represents “control”, “T” indicates samples taken immediately after each cold treatment, and “R1” and “R3” indicate samples taken after post treatment recovery culture for 1 and 3 days, respectively. Values in the same row marked with different letters are significantly different, while an asterisk means that the value in Arabidopsis is significantly different from that in rice (p < 0.05). Values are means ± S.D. (n = 4 or 5)