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Table 1 Relative concentration and fold changes of major metabolites in leaves of wheat seedlings after 15 d of salt and alkali treatments

From: Comparative metabolic responses and adaptive strategies of wheat (Triticum aestivum) to salt and alkali stress

Metabolic pathways Metabolites Relative concentration Fold changes
CK SS AS log2 (SS/CK) log2 (AS/CK) log2 (AS/SS)
TCA cycle Cit 29.28 22.00 6.81 −0.41 −2.10a −1.69a
Aco 1.25 1.02 0.88 −0.30 −0.51 −0.21
α-KG 0.55 0.52 0.26 −0.09 −1.09a −1.00a
Succ 9.17 6.45 5.28 −0.51 −0.79 −0.29
Fum 3.70 1.65 1.02 −1.16a −1.86a −0.70
Mal 19.01 8.10 5.86 −1.23a −1.70a −0.47
Glycolysis Glc 5.66 71.66 9.08 3.66a 0.68 −2.98a
G6P 0.56 1.29 0.27 1.19a −1.06a −2.25a
F6P 0.54 1.32 0.23 1.30a −1.24a −2.54a
3-PGA 0.35 0.92 0.31 1.38a −0.18 −1.56a
Pyr 0.68 0.63 0.57 −0.10 −0.25 −0.15
PEP 0.15 0.62 0.07 2.05a −1.15a −3.19a
Amino acids Glu 270.41 220.74 103.83 −0.29 −1.38a −1.09a
GABA 101.70 85.20 42.42 −0.26 −1.26a −1.01a
Ala 67.72 69.28 24.26 0.03 −1.48a −1.51a
Asp 51.33 32.36 11.90 −0.67 −2.11a −1.44a
Gly 21.96 13.17 4.47 −0.74 −2.30a −1.56a
Thr 9.54 7.76 7.12 −0.30 −0.42 −0.12
Ser 8.58 9.42 2.56 0.13 −1.74 −1.88
Val 2.92 5.79 2.90 0.99a −0.01 −1.00a
Pro 0.39 1.31 1.29 1.73a 1.72a −0.02
Phe 0.51 0.42 0.24 −0.29 −1.10a −0.82
Gln 0.60 0.37 0.09 −0.68 −2.72a −2.04a
Ile 0.42 2.89 0.48 2.77a 0.19 −2.58a
Leu 0.07 0.42 0.03 2.66a −1.02a −3.68a
Asn 0.06 0.05 0.03 −0.17 −1.12a −0.96
Sugars and polyols Fru 162.82 327.02 224.24 1.01a 0.46 −0.54
Suc 0.54 0.92 1.72 0.76 1.67a 0.90a
Tal 29.78 25.25 22.97 −0.24 −0.37 −0.14
Kes 0.29 0.40 0.33 0.45 0.19 −0.26
Hep 0.56 0.36 0.85 −0.64 0.60 1.24a
mIno 20.79 18.76 15.98 −0.15 −0.38 −0.23
Sor 0.52 0.39 2.35 −0.42 2.16a 2.58a
Rib 30.99 19.85 14.86 −0.64 −1.06a −0.42
Gala 23.45 18.76 16.26 −0.32 −0.53 −0.21
Raf 14.24 13.45 4.35 −0.08 −1.71a −1.63a
  1. The relative concentration of each metabolite is an average of data from six biological replicates obtained through GC–MS. Fold changes were calculated using the formula log2 (treatment/control)
  2. aindicates significance (p < 0.05)