Table 2 Relative concentrations and fold changes of significant metabolites in the leaves of B.brachycarpa under different levels of watering treatments.

From: Differential metabolic responses of shrubs and grasses to water additions in arid karst region, southwestern China

Metabolite groups

RT

Metabolites

Relative concentrations

Fold changes

p

CK

T1

T2

T3

FCT1/CK

FCT2/CK

FCT3/CK

Amino acids

10.20

Alanine

9.15 ± 2.37

3.80 ± 0.97

3.91 ± 1.02

3.14 ± 0.35

−2.16*

−2.09*

−2.64*

0.043

21.23

Aspartic acid

10.47 ± 0.58

2.80 ± 0.89

3.46 ± 0.89

3.27 ± 0.93

−3.25*

−2.73*

−2.87*

0.028

13.93

Beta-Alanine

7.23 ± 1.17

6.84 ± 2.06

2.76 ± 0.37

3.17 ± 0.62

−0.14

−2.38*

−2.04*

0.019

07.30

Dimethylglycine

12.24 ± 0.35

2.48 ± 1.65

4.40 ± 0.41

0.88 ± 1.42

−3.94*

−2.52*

−6.49*

5.77E-05

21.43

GABA

4.94 ± 2.86

10.63 ± 0.66

2.17 ± 1.20

2.26 ± 1.27

1.89*

−2.03

−1.93

0.003

23.59

Glutamic acid

7.88 ± 3.85

3.87 ± 0.50

4.24 ± 1.70

4.01 ± 0.07

−1.75*

−1.53*

−1.67*

0.049

15.37

Isoleucine

3.96 ± 1.36

9.77 ± 1.27

3.91 ± 0.64

2.37 ± 0.9

2.23*

−0.03

−1.26

0.013

23.66

Phenylalanine

8.51 ± 1.33

3.84 ± 0.80

4.14 ± 1.03

3.51 ± 1.03

−1.96*

−1.78*

−2.18*

0.021

14.47

Serine

7.09 ± 0.82

4.51 ± 0.56

3.26 ± 0.66

5.14 ± 0.68

−1.12*

−1.91*

−0.79*

0.011

17.84

Threonine

8.62 ± 0.46

5.26 ± 1.30

2.36 ± 0.34

3.75 ± 1.13

−1.22*

−3.19**

−2.06*

0.003

13.27

Valine

8.58 ± 2.61

4.91 ± 1.20

3.96 ± 0.94

2.55 ± 0.57

−1.37

−1.9*

−2.99*

0.049

Organic acids

30.41

4-Coumaric acid

3.36 ± 0.88

6.16 ± 0.72

2.85 ± 0.48

7.62 ± 0.49

1.49*

−0.4

2.02*

0.015

11.04

Acrylic acid

7.30 ± 0.53

5.42 ± 1.16

4.00 ± 0.79

3.28 ± 0.54

−0.73*

−1.48**

−1.97**

0.004

30.49

Ascorbic acid

8.48 ± 0.48

3.47 ± 1.39

4.37 ± 0.96

3.68 ± 0.89

−2.20*

−1.63*

−2.06*

0.018

19.92

Butyric acid

8.89 ± 0.46

4.80 ± 1.24

2.93 ± 1.10

3.38 ± 1.33

−1.52*

−2.73*

−2.38*

0.027

34.11

Caffeic acid

2.42 ± 0.36

5.25 ± 1.70

4.52 ± 1.20

7.81 ± 1.10

1.9

1.54

2.88*

0.033

27.95

Citric acid

3.05 ± 0.80

8.53 ± 1.11

4.36 ± 0.82

4.07 ± 0.38

2.54*

0.88

0.71

0.046

38.20

Galacturonic acid

8.52 ± 1.58

4.07 ± 1.16

4.09 ± 0.54

3.32 ± 0.94

−1.82*

−1.81*

−2.32*

0.016

9.50

Glycolic acid

7.17 ± 0.61

4.72 ± 0.93

4.35 ± 0.55

3.76 ± 0.70

−1.03*

−1.23*

−1.59**

0.033

9.05

Lactic Acid

3.87 ± 0.46

4.27 ± 1.32

8.57 ± 1.58

3.29 ± 0.70

0.24

1.96*

−0.41

0.026

53.87

Lignoceric acid

10.48 ± 1.45

2.08 ± 0.69

4.09 ± 0.84

3.35 ± 0.61

−3.98*

−2.32*

−2.81*

4.82E-04

35.42

Linoleic acid

4.41 ± 0.57

7.53 ± 0.86

4.48 ± 0.68

3.58 ± 0.60

1.32*

0.04

−0.52

0.011

12.98

Malonic acid

8.70 ± 1.16

6.29 ± 1.56

2.65 ± 0.43

2.36 ± 0.43

−0.80

−2.93*

−3.22*

0.001

18.11

Mesoxalic acid

7.23 ± 0.73

7.83 ± 2.04

2.28 ± 0.51

2.66 ± 0.24

0.20

−2.85*

−2.47*

8.53E-05

32.47

Palmitic Acid

3.29 ± 0.29

5.29 ± 1.02

6.87 ± 0.87

4.55 ± 0.57

1.17*

1.82**

0.80*

0.013

9.79

Pyruvic acid

7.45 ± 0.98

4.78 ± 1.43

4.63 ± 0.51

3.14 ± 0.43

−1.10*

−1.17*

−2.13*

0.039

15.99

Succinic acid

6.41 ± 0.48

5.81 ± 1.05

4.42 ± 0.52

3.36 ± 0.61

−0.24

−0.92*

−1.59*

0.048

22.18

Threonic acid

7.26 ± 1.05

4.62 ± 0.83

4.64 ± 0.79

3.49 ± 0.71

−1.11*

−1.10*

−1.81*

0.046

35.54

α-Linolenic acid

3.94 ± 1.17

7.27 ± 0.91

4.54 ± 1.02

4.25 ± 0.53

1.51*

0.35

0.18

0.044

Sugar alcohols

26.23

Mannitol

4.69 ± 0.47

6.48 ± 0.22

5.20 ± 0.66

3.63 ± 0.73

0.80*

0.25

−0.64

0.049

20.75

Threitol

7.76 ± 0.63

3.95 ± 1.12

4.98 ± 0.97

3.31 ± 0.63

−1.67*

−1.09*

−2.10*

0.047

Sugars

34.04

Allose

7.37 ± 0.23

3.75 ± 0.50

4.82 ± 0.83

4.06 ± 0.72

−1.67*

−1.05*

−1.47*

0.019

24.53

Arabinose

6.73 ± 0.41

5.39 ± 0.89

3.90±0.50

3.98 ± 0.56

−0.55*

−1.34**

−1.29**

0.036

20.24

Erythrulose

7.40 ± 0.70

4.30 ± 0.63

4.01 ± 0.49

4.29 ± 0.59

−1.34*

−1.51*

−1.34*

0.013

29.23

Fructose

7.61 ± 1.21

4.59 ± 0.84

3.05 ± 0.73

4.74 ± 1.12

−1.25*

−2.25**

−1.17*

0.043

29.38

Galactose

7.22 ± 0.76

4.93 ± 0.80

4.03 ± 0.76

3.82 ± 0.78

−0.94*

−1.44*

−1.57*

0.047

38.38

Glucose

8.81 ± 1.12

4.40 ± 0.95

3.10 ± 0.73

3.69 ± 0.94

−1.71*

−2.58*

−2.14*

0.013

25.06

Lyxose

8.19 ± 1.06

4.65 ± 0.79

3.32 ± 0.50

3.84 ± 1.03

−1.39*

−2.23*

−1.87*

0.014

46.43

Maltose

1.80 ± 0.62

6.92 ± 1.64

3.56 ± 1.19

7.72 ± 2.51

3.31

1.68

3.59*

0.043

32.09

Rhamnose

8.16 ± 1.52

3.79 ± 0.74

4.55 ± 0.85

3.50 ± 0.21

−1.89*

−1.44*

−2.09*

0.025

41.28

Turanose

8.55 ± 2.33

4.98 ± 1.05

4.13 ± 0.53

2.35 ± 0.83

−1.33*

−1.80*

−3.19*

0.013

24.38

Xylose

7.06 ± 0.56

4.18 ± 0.64

4.73 ± 0.61

4.02 ± 0.65

−1.29*

−0.99*

−1.39*

0.034

Others

45.81

Catechine

10.72 ± 1.99

2.01 ± 0.94

4.11 ± 1.04

3.17 ± 1.03

−2.42*

−1.38*

−1.76*

0.021

10.59

Cerulenin

7.04 ± 0.66

5.24 ± 0.98

4.01 ± 0.56

3.71 ± 0.35

−0.43*

−0.81*

−0.93**

0.025

14.65

Ethanolamine

4.44 ± 0.80

7.50 ± 0.71

4.33 ± 0.61

3.73 ± 0.59

1.29*

−0.07

−0.43

0.016

34.72

Methyl galactoside

8.26 ± 1.11

3.86 ± 0.65

3.60 ± 0.89

4.28 ± 0.67

−1.10*

−1.20*

−0.95*

0.016

38.83

Oleamide

8.46 ± 0.78

3.78 ± 1.04

4.03 ± 0.95

3.73 ± 0.60

−1.99*

−1.83*

−2.02*

0.045

21.82

α-Bisabolene

2.29 ± 0.69

7.79 ± 0.90

3.37 ± 0.49

6.55 ± 1.68

1.77*

0.55

1.51*

0.041

49.09

α-Tocopherol

7.80 ± 1.17

2.85 ± 0.51

4.76 ± 1.16

4.59 ± 0.72

−2.48*

−1.21*

−1.31*

0.023

21.05

β-Bisabolene

2.23 ± 0.72

7.45 ± 0.92

3.56 ± 0.52

6.76 ± 1.72

1.74*

0.67

1.60*

0.043

  1. *Values are means of five replicates ±SE. Fold changes are calculated using the formula log2 (Control/Treatment). *indicates significance (p < 0.05); **indicates high significance (p < 0.01).
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