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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)