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Table 1 List of features differentially produced in response to either chitosan (down-regulated only), F. graminearum or both agents togethera

From: The impact of chitosan on the early metabolomic response of wheat to infection by Fusarium graminearum

Feature

RT (min)

Measured m/z (-)

Neutral m/z

FC

Putative identification

Exact m/z

Error (ppm)

Downregulated by chitosan

 M395T189

3.30

395.0786

396.0859

0.42

Apigenin triacetate*

3,5,6-Trimethoxy-3',4'-methylene-dioxyfurano[2,3:7,8]flavone

396.0845

-

3

-

Upregulated by F. graminearum

 M293T380

6.57

293.0984

294.1057

2.27

Distichonic acid

294.1063

2

 M365T570

9.60

365.1800

366.1873

1.72

7-Methyl-3-methylene-1,2,6,7-octanetetrol 2-glucoside

p-Menthane-1,2,8,9-tetrol 9-glucoside

366.1890

-

4

-

 M327T1531

25.93

327.217

328.2243

2.04

9,12,13-Trihydroxyoctadecadienoic acid (TriHODE)

9-hydroperoxy-12,13-epoxy-10-octadecenoic acid

11-hydroperoxy-12,13-epoxy-9-octadecenoic acid

328.2250

-

-

2

-

-

Downregulated by F. graminearum

 M310T230

3.84

310.0993

311.1066

0.63

Cinnamoyl beta-D-glucoside

310.1012

4

 M403T278

4.64

403.0935

404.1008

0.61

Mollicellin D

404.1027

4

Upregulated by the combined treatment with chitosan + F. graminearum

 M497T463

7.74

497.2050

498.2123

3.04

Iridodial glucoside tetraacetate

8-Epiiridodial glucoside

498.2101

-

4

-

 M663T1079

18.02

663.3716

664.3789

2.54

Phytolaccoside B

Medicagenic acid 3-O-beta-D-glucoside

Elatoside G

664.3823

-

-

5

-

-

 M595T1405

23.42

595.2960

596.3033

2.57

Salannin

596.2985

7

 M565T1500

25.01

565.3217

566.3290

3.38

25-Cinnamoyl-vulgaroside

566.3244

8

 M565T1532

25.50

565.3215

566.3288

2.89

25-Cinnamoyl-vulgaroside

566.3244

7

Downregulated by the combined treatment with chitosan + F. graminearum

 M434T773

12.82

434.2088

435.2161

0.40

Cadabicine

435.2158

0.7

 M469T1211

20.46

469.1836

470.1909

0.48

Limonin

Zapoterin

Butyrylmallotochromene

Drummondin A

470.1941

-

-

-

6

-

-

-

  1. The exact m/z value is the monoisotopic mass of the compound suggested for annotation. The error is the relative difference between the experimental neutral m/z value and the exact m/z. The asterisk indicates the metabolite that most likely corresponds to the feature
  2. RT retention time, FC fold change
  3. a Features were annotated based on METLIN and literature review
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BMC Plant Biology

ISSN: 1471-2229

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