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Table 1 Energetisation and phosphorylation state under influence of different acceptor availabilities: ATP content, ADP content, 3-PGA content and DHAP content in wt, adg1, pgr1 and vtc1 under different CO2 regimes (0 ppm, 350 ppm and 2000 ppm CO2).

From: Regulation of gene expression by photosynthetic signals triggered through modified CO2availability

    Start 0 ppm CO2 350 ppm CO2 2000 ppm CO2
wt ATP [nmol/g FW] 97.6 ± 15.6 c 172.9 ± 31.9 a 79.1 ± 14.7 eg 60.9 ± 9.5 efg
  ADP   17.5 ± 2.8 c 29.7 ± 4.5 b 36.2 ± 10.4 b 33.1 ± 23.3 bc
  3PGA   294.0 ± 149.2 abc 117.0 ± 73.3 c 404.1 ± 44.4 b 301.0 ± 126.4 bc
  DHAP   100.0 ± 10.4 abc 71.7 ± 40.2 c 36.1 ± 15.3 b 76.4 ± 49.5 bc
  ATP/ADP   5.6   5.8   2.2   1.8  
  [NADPH/NADP+]calc   23.0   34.0   16.7   40.3  
  Assimilatory Force   333.0   600.4   87.6   248.7  
adg1 ATP [nmol/g FW] 68.2 ± 8.7 e 149.6 ± 25.6 abc 88.8 ± 5.1 c 77.9 ± 13.4 ed
  ADP   20.6 ± 10.1 bc 113.6 ± 25.0 a 39.7 ± 24.5 bc 18.8 ± 4.2 bc
  3PGA   341.2 ± 123.3 b 113.7 ± 37.5 c 487.6 ± 81.3 ab 256.4 ± 123.3 bc
  DHAP   46.0 ± 15.0 b 54.0 ± 38.8 c 45.3 ± 24.2 ab 75.8 ± 96.2 bc
  ATP/ADP   3.3   1.3   2.2   4.2  
  [NADPH/NADP+]calc   16.6   63.9   16.9   25.8  
  Assimilatory Force   132.1   456.7   91.0   289.5  
pgr1 ATP [nmol/g FW] 71.1 ± 12.4 ef 57.5 ± 9.3 ef 84.6 ± 4.4 d 53.4 ± 9.3 f
  ADP   24.5 ± 10.3 bc 29.5 ± 7.4 b 44.3 ± 12.7 b 24.2 ± 11.0 c
  3PGA   511.9 ± 142.0 ab 137.2 ± 49.2 c 522.5 ± 14.3 a 249.9 ± 96.8 bc
  DHAP   90.0 ± 13.0 ab 43.5 ± 27.3 c 46.1 ± 11.8 a 44.1 ± 13.4 bc
  ATP/ADP   2.9   1.9   1.9   2.2  
  [NADPH/NADP+]calc   22.9   44.4   18.4   28.2  
  Assimilatory Force   172.3   311.0   86.5   173.0  
vtc1 ATP [nmol/g FW] 116.0 ± 21.6 bc 101.6 ± 38.0 bcdg 96.8 ± 9.8 cdg 79.9 ± 12.7 ceg
  ADP   11.9 ± 4.5 bc 74.8 ± 10.3 a 33.1 ± 14.1 b 39.2 ± 22.0 bc
  3PGA   355.1 ± 35.9 ab 144.3 ± 96.5 c 392.2 ± 130.9 b 288.3 ± 61.1 bc
  DHAP   40.0 ± 15.0 ab 56.4 ± 23.2 c 50.9 ± 24.3 b 29.0 ± 9.8 bc
  ATP/ADP   9.8   1.4   2.9   2.0  
  [NADPH/NADP+]calc   5.3   58.5   17.9   19.4  
  Assimilatory Force   110.4   383.4   127.3   98.5  
  1. Different letters indicate significant differences. The data are means of n = 4–6, ± SE from at least 4 different experiments. ATP/ADP ratio, [NADPH]/[NADP+]calc and assimilatory force FA (according to Dietz & Heber 1989). These derived parameters were calculated from the primary data above.
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