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Table 2 Overview of metabolites (GC-MS and LC-MS) that are significantly differentially expressed in the targeted OnPLS model

From: OnPLS integration of transcriptomic, proteomic and metabolomic data shows multi-level oxidative stress responses in the cambium of transgenic hipI- superoxide dismutase Populus plants

Class

Metabolite

AS-SOD9

 

AS-SOD24

Phenolic glycoside

Cinnamoyl-hexose

↑

/

↑

 

Coumaroyl-hexose

↑

/

↑

 

Ferulate-glycoside

↑

/

↑

Amino Acid

3-Cyanoalanine

↑

/

↑

Amine alcohol

Ethanolamine

↓

/

↓

Amino acid

Glutamic acid

↑

/

↑

 

Ornithine

↑

/

↑

 

Arginine

↑

/

↑

 

GABA (4-aminobutyric acid)

↓

/

↓

 

Aspartic acid

↑

/

↑

 

Cycloleucine

↑

/

↑

 

Pyroglutamic acid

↑

/

↑

 

Phenylalanine

↑

/

↓

 

Valine

↑

/

↑

 

Glycine

↑

/

↑

Dicarboxylic acid

Glutaric acid

↑

/

↑

Disaccharide

Disaccharide

↑

/

↑

 

Sucrose

↑

/

↓

Flavonoid

Flavonoid

↑

/

↑

Glucopyranoside

Salicylic acid-Glucopyranoside

↓

/

↓

Hexose phosphate

Fructose-6-Phosphate

↑

/

↑

 

Glucose-6-Phosphate

↑

/

↑

Hydroxy acid

Shikimic acid

↑

/

↑

Nucleoside

Uridine

↓

/

↓

Organic acid

Threonic acid

↑

/

↑

 

Oxalic acid

↑

/

↑

Phosphate

Inositol phosphate-like

↓

/

↑

Trisaccharide

Raffinose

↑

/

↓

 

Xylose

↓

/

↓

  1. Columns indicate: metabolites with similar classes grouped in rows; metabolite name; and abundance in AS-SOD9 and AS-SOD24 (relative to WT). Symbols indicate: ↑, upregulated; ↓, downregulated. Data shown in Additional file 2: Table S3.2.