Table 3 Relative concentrations and fold changes of significant metabolites in the leaves of C. distans 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

21.44

GABA

3.35 ± 0.50

4.61 ± 0.62

4.56 ± 1.09

7.48 ± 0.54

0.46

0.44

1.16*

0.027

15.38

Isoleucine

3.52 ± 0.51

4.57 ± 0.83

8.00 ± 0.55

3.91 ± 1.03

0.38

1.18*

0.15

0.039

11.66

Leucine

4.71 ± 0.86

7.34 ± 0.66

3.33 ± 0.78

4.62 ± 1.00

0.64*

−0.5

−0.03

0.048

30.08

Lysine

3.20 ± 0.60

8.24 ± 1.54

4.78 ± 0.99

3.78 ± 0.59

1.36*

0.58

0.24

0.025

21.16

Methionine

4.29 ± 0.78

8.21 ± 1.30

4.31 ± 0.88

3.18 ± 0.53

0.94*

0.01

−0.43

0.033

23.67

Phenylalanine

3.64 ± 0.52

8.04 ± 1.55

4.29 ± 0.93

4.03 ± 0.21

1.14*

0.24

0.15

0.041

14.45

Serine

3.89 ± 0.65

7.68 ± 1.38

5.28 ± 1.13

3.15 ± 0.84

0.98*

0.44

−0.3

0.027

30.38

Tyrosine

3.63 ± 0.56

5.60 ± 0.49

6.18 ± 0.41

4.58 ± 0.39

0.63*

0.77**

0.34

0.006

Organic acids

19.32

2-Pentenedioic acid

1.92 ± 0.44

7.81 ± 2.27

3.36 ± 0.51

6.91 ± 0.42

2.02**

0.81

1.85*

0.001

32.92

3-Heptenedioic acid

3.09 ± 0.42

8.09 ± 1.30

5.21 ± 1.00

3.61 ± 0.68

1.39*

0.75

0.22

0.028

27.31

4-Coumaric acid

1.95 ± 0.20

7.59 ± 1.22

4.63 ± 1.48

5.84 ± 2.39

1.96*

1.25

1.58

0.012

27.58

Galactaric acid

2.96 ± 0.40

7.35 ± 1.22

6.78 ± 1.82

2.91 ± 0.32

1.31*

1.20*

−0.02

0.006

16.38

Glyceric acid

3.19 ± 0.50

8.34±1.82

3.72 ± 1.00

4.75 ± 0.39

1.39*

0.22

0.57

0.014

9.46

Glycolic acid

2.96 ± 0.45

7.56 ± 2.09

3.74 ± 0.54

5.73 ± 0.36

1.35*

0.34

0.95

0.017

16.72

Itaconic acid

2.08 ± 0.41

6.41 ± 2.66

4.59 ± 1.34

6.92 ± 0.71

1.62

1.14

1.73*

0.048

45.21

Lignoceric acid

1.81 ± 0.36

7.45 ± 2.91

3.60 ± 0.78

7.14 ± 1.16

2.04

0.99

1.98

0.009

35.45

Linoleic acid

2.17 ± 0.24

5.60 ± 1.18

6.23 ± 1.62

6.01 ± 0.62

1.37

1.52*

1.47*

0.013

16.87

Methylmaleic acid

2.86 ± 0.37

4.53 ± 0.84

4.92 ± 1.09

7.69 ± 0.35

0.66

0.78

1.43*

0.013

35.97

N-Acetylneuraminic acid

3.54 ± 0.48

6.61 ± 0.18

4.61 ± 0.79

5.23 ± 0.67

0.90

0.38*

0.56

0.029

32.49

Palmitic Acid

2.14 ± 0.22

5.14 ± 1.33

6.46 ± 1.43

6.26 ± 0.81

1.26

1.59*

1.55*

0.008

28.72

Quinic acid

7.20 ± 0.71

5.33 ± 0.96

4.35 ± 1.43

3.12 ± 0.15

−0.43

−0.73*

−1.21*

0.044

31.33

Sebacic acid

3.55 ± 0.35

8.30 ± 1.77

3.94 ± 0.54

4.21 ± 0.72

1.23*

0.15

0.25

0.014

27.81

Shikimic acid

3.72 ± 0.62

7.01 ± 0.99

4.00 ± 0.65

5.28 ± 0.44

0.91*

0.10

0.51

0.025

36.04

Stearic acid

2.83 ± 0.42

4.77 ± 0.68

7.18 ± 0.44

5.22 ± 0.59

0.75*

1.34**

0.88*

5.18E-04

35.56

α-Linolenic acid

2.38 ± 0.48

5.88 ± 1.43

5.01 ± 0.97

6.73 ± 1.02

1.30

1.07

1.50*

0.017

Sugar alcohols

25.49

Arabitol

2.33 ± 0.37

4.25 ± 0.59

6.52 ± 0.90

6.90 ± 0.63

0.87*

1.48**

1.57**

1.03E-04

38.73

Galactinol

2.28 ± 0.28

8.52 ± 1.60

4.46 ± 1.31

4.75 ± 0.58

1.90*

0.97

1.06

0.007

29.09

Mannitol

4.83 ± 1.46

8.22 ± 1.28

3.52 ± 0.36

3.44 ± 0.62

0.77*

−0.46

−0.49

0.036

21.48

Ribitol

3.02 ± 0.20

5.14 ± 1.06

6.14 ± 0.90

5.70 ± 0.53

0.77

1.02*

0.92*

0.032

20.93

Threitol

2.28 ± 0.17

3.40 ± 0.66

7.57 ± 2.19

6.75 ± 0.66

0.58

1.73**

1.57*

9.18E-04

Sugars

30.28

Fructose

3.71 ± 0.42

6.78 ± 1.00

4.94 ± 0.68

4.57 ± 0.31

0.87*

0.41

0.3

0.036

29.85

Galactose

3.01 ± 0.21

8.13 ± 2.20

5.08 ± 1.04

3.78 ± 0.31

1.43*

0.76

0.33

0.019

31.88

Glucose 6-O-Ă -D-GP

2.77 ± 0.30

7.91 ± 2.11

4.06 ± 0.49

5.25 ± 0.78

1.51

0.55

0.92

0.01

25.41

Levoglucosan

2.90 ± 0.39

4.74 ± 0.51

8.06 ± 1.74

4.30 ± 0.59

0.71

1.47*

0.57

0.005

23.73

Rhamnose

2.09 ± 0.18

5.73 ± 1.58

3.48 ± 0.60

8.71 ± 1.06

1.46*

0.74

2.06**

4.22E-04

49.01

Melibiose

3.11 ± 0.27

7.52 ± 1.80

4.52 ± 0.56

4.85 ± 0.38

1.27*

0.54

0.64

0.015

26.86

Tagatofuranose

2.03 ± 0.45

3.53 ± 0.67

8.12 ± 1.43

6.32 ± 0.84

0.8

2.00**

1.64*

2.31E-04

31.42

Turanose

2.62 ± 0.49

7.72 ± 1.38

5.36 ± 1.08

4.29 ± 0.69

1.56*

1.03

0.71

0.014

33.71

α-D-Glucopyranose

3.78 ± 0.12

7.02 ± 0.92

5.38 ± 1.08

3.82 ± 0.28

0.89*

0.51

0.02

0.02

23.34

β-D-Xylopyranose

2.64 ± 0.22

4.83 ± 0.81

6.21 ± 0.89

6.32 ± 0.68

0.87*

1.23*

1.26*

0.002

45.51

β-Gentiobiose

3.51 ± 0.55

5.08 ± 0.69

6.48 ± 0.91

4.93 ± 0.61

0.53*

0.88**

0.49*

0.042

Others

42.00

2-Deoxyadenosine

3.22 ± 0.44

9.39 ± 2.61

3.21 ± 0.55

4.18 ± 0.74

1.54*

0

0.38

0.017

13.64

Borneol

0.54 ± 0.24

3.59 ± 1.09

8.81 ± 2.46

7.06 ± 1.97

2.73

4.03**

3.71*

8.92E-04

50.59

Campesterol

3.14 ± 0.31

8.04 ± 1.46

4.14 ± 0.76

4.69 ± 0.18

1.36*

0.4

0.58

0.005

41.29

Inosine

2.87 ± 0.41

7.28 ± 0.72

4.54 ± 1.05

5.31 ± 0.97

1.34**

0.66

0.89*

0.017

13.79

Linalool

2.98 ± 1.14

2.50 ± 0.87

4.60 ± 1.45

9.93 ± 2.08

−0.25

0.63

1.74*

0.048

49.28

Magnolol

3.27 ± 0.44

9.08 ± 3.48

2.98 ± 0.47

4.68 ± 0.73

1.47*

−0.13

0.52

0.014

22.41

Methyl acetopyruvate

2.46 ± 0.61

5.30 ± 1.37

4.78 ± 1.54

7.46 ± 1.18

1.11

0.96

1.60*

0.044

18.30

Methyleugenol

2.49 ± 0.55

4.51 ± 1.29

6.49 ± 1.32

6.52 ± 0.86

0.86

1.38*

1.39*

0.037

33.00

N-Acetyl-D-glucosamine

3.25 ± 0.57

5.36 ± 0.55

6.80 ± 0.62

4.59 ± 0.37

0.72*

1.07**

0.5

0.003

38.85

Oleamide

3.86 ± 0.44

6.41 ± 0.22

4.47 ± 0.67

5.26 ± 0.57

0.73*

0.21

0.45

0.037

50.98

Stigmasterol

3.29 ± 0.30

8.27 ± 1.75

4.59 ± 0.98

3.85 ± 0.47

1.33*

0.48

0.23

0.03

16.24

α-Terpineol

1.87 ± 0.55

4.42 ± 1.53

5.26 ± 1.52

8.45 ± 1.70

1.24

1.49

2.18*

0.012

51.96

β-Sitosterol

3.61 ± 0.27

7.70 ± 1.77

4.54 ± 0.63

4.16 ± 0.16

1.09*

0.33

0.2

0.031

  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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