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Table 2 Relative increases in 4-hydroxy-2-oxoglutaric acid levels in tobacco and soybean during dehydration

From: Tobacco drought stress responses reveal new targets for Solanaceae crop improvement

Tobacco root      
  20 min/0 min 40 min/0 min 60 min/0 min 120 min/0 min 240 min/0 min
4-hydroxy-2-oxoglutaric acid 1 1.5 1.98 38.08 70.12
Soybean root      
  30 min/0 min 60 min/0 min 120 min/0 min 180 min/0 min 300 min/0 min
4-hydroxy-2-oxoglutaric acid 1.56 0.94 1.55 2.05 1.78
  1. A global unbiased metabolic profiling platform from both plant species was used as previously described (Evans et al. 2009 [16]). 4-hydroxy-2-oxoglutaric acid was identified by comparison to library entries of purified standards. The values show the fold increases relative to control unstressed plants.