Table 1 Up regulated putatively annotated metabolites* based on significant FC (≥ 2.0) (p ≤ 0.05) and VIP score (≥ 1.0) in A. solani pathogen-challenged S. lycopersicum susceptible var. Kashi Aman.

From: Metabolomics of early blight (Alternaria solani) susceptible tomato (Solanum lycopersicum) unfolds key biomarker metabolites and involved metabolic pathways

S. no.

m/z

r.t. (min)

FC value

VIP score (OPLS_DA model)

KEGG identifier

Annotation

Metabolite class

1.

358.505

7.68

7.22

1.42

C00319

Sphingosine

Lipids

2.

398.241

10.46

5.32

1.21

C04525

Fecosterol

Lipids

3.

227.127

6.10

4.80

1.46

C16311

12-Oxo-9-dodecenoic acid

Lipids

4.

459.350

13.27

4.17

1.43

C15796

22-Hydroxycampest-4-en-3-one

Lipids

5.

311.221

12.23

4.00

1.22

C14827

Hydroperoxyoctadeca-10,12-dienoic acid

Lipids

6.

531.285

7.10

3.1

1.67

C03313

Phylloquinol

Lipids

7.

398.24

10.74

3.01

1.55

C15777

Episterol

Lipids

8.

527.266

7.58

2.97

1.32

C15793

Typhasterol

Lipids

9.

244.191

8.49

2.76

1.11

C09684

Humulene

Lipids

10.

319.205

4.92

2.53

1.18

C19616

18-Hydroxyoleic acid

Lipids

11.

401.141

4.59

2.4

1.28

C06095

Gibberellin A44 open lactone

Lipids

12.

273.184

9.11

2.16

1.19

C01226

12-Oxophyto-10,15-dienoate

Lipids

13.

257.138

5.61

2.02

1.51

C16311

12-Oxo-9-dodecenoic acid

Lipids

14.

289.068

1.47

2.64

1.58

C05401

Galactosylglycerol

Carboydrateate

15.

171.026

1.52

2.29

1.49

C02637

3-Dehydroshikimate

Carboxylate

16.

217.034

2.15

2.25

1.71

C02631

2-Isopropylmaleate

Carboxylate

17.

148.038

1.09

3.23

1.28

C00450

Tetrahydropyridine-2-carboxylate

Carboxylate

18.

335.221

14.06

3.11

1.73

C19620

9,10-Epoxy-18-hydroxystearate

Lipids

19.

229.107

5.52

2.39

1.37

C01909

Dethiobiotin

Lipids

20.

163.075

6.06

2.91

1.65

C06001

3-Hydroxyisobutyrate

Carboxylate

21.

229.154

0.83

2.93

1.54

C17621

8-Hydroxygeraniol

Terpenoid

22.

301.215

12.5

5.07

1.71

C11874

Kaurenic acid

Terpenoid

23.

405.261

12.72

8.26

1.00

C00092

Glucose 6-phosphate

Carbohydrate

24.

396.222

8.25

6.06

1.67

C16443

Zeatin-7-β-d-glucoside

Carbohydrate

25.

201.036

1.528

2.59

1.54

C01019

Fucopyranose

Carbohydrate

26.

232.117

2.98

11.84

1.71

C01598

Melatonin

Nitrogenous

27.

531.285

7.12

5.64

1.78

C15802

6-Deoxocastasterone

Sterols

28.

271.114

11.84

2.46

1.55

C00931

Porphobilinogen

Porphyrin

29.

515.006

0.81

4.53

1.73

C18064

Pyropheophorbide a

Porphyrin derivative

30.

341.099

8.98

4.44

1.79

C10646

Lariciresinol

Polyphenols

31.

242.283

12.31

4.38

1.64

C02029

Dihydrozeatin

Nitrogenous

32.

228.120

10.89

4.13

1.5

C00371

Zeatin

Nitrogenous

33.

356.279

12.69

4.06

1.08

C01137

Adenosylmethionin-amine

Peptides

34.

175.111

7.61

3.21

1.27

C00780

Serotonin

Nitrogenous

35.

279.098

11.51

3.13

1.25

C00643

5-Hydroxy-l-tryptophan

Amino acid

36.

222.083

4.90

2.68

1.71

C00140

N-Acetyl-d-glucosamine

Amino sugar

37.

259.021

1.74

3.28

1.45

C00352

Glucosamine 6-phosphate

Amino monosaccharide

38.

313.104

8.56

2.75

1.18

C00921

Dihydropteroate

Folate derivative

39.

243.047

0.79

2.72

1.48

C00307

CDP-choline

Choline

40.

289.068

1.35

2.41

1.51

C05401

Uridine

Nitrogenous

41.

339.177

11.27

2.00

1.28

C20693

Carlactone

Tetrahydropyridine

  1. r.t. retention time, FC fold change.
  2. *Annotated using PLANT CYC PMN (Solanum lycopersicum database) and KEGG compound search.