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Table 1 Metabolites with significantly differing levels in wild-type, npq4 and oePsbS

From: Improper excess light energy dissipation in Arabidopsis results in a metabolic reprogramming

Group

Metabolite

npq4

wt

oePsbS

Amino acids

Leucine

1.52

1.00

0.48

 

Tyrosine

1.02

1.00

0.69

 

Threonic acid

1.20

1.00

0.92

 

β-Alanine

0.86

1.00

1.35

 

Pyroglutamate

0.76

1.00

1.39

 

Serine

0.78

1.00

1.72

 

Aspartate

0.70

1.00

1.85

 

Glycine

0.49

1.00

1.32

 

Threonine

0.65

1.00

1.82

 

Glutamine

0.47

1.00

3.33

 

GABA

0.79

1.00

0.34

Carbohydr.

Galactose

2.00

1.00

0.06

 

Raffinose

1.61

1.00

0.18

 

Isomaltose

1.82

1.00

0.22

 

Fructose

1.10

1.00

0.49

 

Glucose

1.14

1.00

0.57

 

Sorbose

1.10

1.00

0.58

 

Ribose

1.27

1.00

0.77

 

Arabitol

1.12

1.00

0.79

 

1,6-Anhydro-β-D-glucose

1.26

1.00

0.90

 

Unknown hexose

1.03

1.00

0.74

 

Maltose

1.19

1.00

0.87

 

Xylose

1.35

1.00

1.01

 

Sucrose

0.86

1.00

1.02

Lipids/fatty a.

Digalactosylglycerol*

1.59

1.00

0.48

 

Monogalactosylglycerol*

1.37

1.00

0.56

 

Unknown sterol

0.93

1.00

1.09

 

Glycerol-3-phosphate

0.92

1.00

1.18

 

Stearic acid

0.89

1.00

1.14

 

Fatty acid

0.91

1.00

1.18

 

Glycerol

0.87

1.00

1.19

 

Fatty acid

0.87

1.00

1.20

 

α-Linolenic acid

0.98

1.00

1.54

 

Linolenic acid

0.72

1.00

1.22

 

Galactinol

0.88

1.00

0.12

TCA-cycle etcmyo-Inositol-1-phosph.

1.37

1.00

0.26

 

Alpha-tocopherol

1.69

1.00

0.86

 

Dehydroascorb. acid*

1.33

1.00

0.92

 

Succinic acid

1.14

1.00

0.89

 

Malic acid

0.98

1.00

1.11

 

Fumaric acid

0.91

1.00

1.16

 

Citrate

0.94

1.00

1.41

 

Citramalic acid

0.84

1.00

1.18

 

Spermidine

0.81

1.00

1.35

  1. Values shown are relative amounts (per g FW) with wild-type levels set to 1. Significantly differing metabolites were detected by interpreting the first weight vector (w1), as described by [9], from the npq4/oePsbS PLS-DA model, together with the 95% confidence intervals calculated using jack-knifing [10]. Metabolites were analyzed as methyloxime-trimethylsilyl derivatives. Tentatively identified*