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Table 2 Analyses of the KEGG metabolic pathways associated with the differential metabolites in the incompatible soybean variety PI437654 and the three compatible soybean varieties, WM82, ZH13 and HF47, infected by HG1.2.3.5.7

From: Combining targeted metabolite analyses and transcriptomics to reveal the specific chemical composition and associated genes in the incompatible soybean variety PI437654 infected with soybean cyst nematode HG1.2.3.5.7

Metabolite

KEGG ID

Annotation

PI437654

WM82

ZH13

HF47

16-hydroxyhexadecanoic acid

ath00073

cutin, suberine and wax biosynthesis

1.337*

1.480

1.480

1.402

linolenic acida

ath00592

alpha-linolenic acid metabolism

1.130

1.272

1.272

1.195

ath01040

biosynthesis of unsaturated fatty acids

0.914

1.052

1.052

0.977

2-oxo-4-methylthiobutanoic acida

ath00270

cysteine and methionine metabolism

/

1.134

1.133

1.058

ath00966

glucosinolate biosynthesis

/

1.036

1.036

0.961

ath01210

2-oxocarboxylic acid metabolism

/

0.808

0.808

0.735

isoliquiritigenin

ath00941

flavonoid biosynthesis

/

1.052

1.052

/

isopimaric acid

ath00904b

diterpenoid biosynthesis

/

/

/

1.906

ent-kaur-16-en-19-ol

trans-ferulic acid

ath00940

phenylpropanoid biosynthesis

/

/

/

1.025

phytosphingosine

ath00600

sphingolipid metabolism

1.370

/

/

/

D-aspartic acid

ath00250

alanine, aspartate and glutamate metabolism

1.321

/

/

/

L-arginine a

ath00220

arginine biosynthesis

1.405

/

/

/

ath00261

monobactam biosynthesis

1.181

/

/

/

ath00970

aminoacyl-tRNA biosynthesis

1.060

/

/

/

ath00330

arginine and proline metabolism

0.893

/

/

/

ath00999

biosynthesis of secondary metabolites - unclassified

0.792

/

/

/

ath02010

ABC transporters

0.700

/

/

/

ath01230

biosynthesis of amino acids

0.693

/

/

/

nicotine

ath00960 b

tropane, piperidine and pyridine alkaloid biosynthesis

2.253

/

/

/

pipecolinic acid a

1.088

1.088

/

pipecolinic acid a

ath00310

lysine degradation

1.037

1.177

1.177

/

  1. Note:‘*’ represents the -log10 (p-value) value, while ‘p-value’ represents the p-value of each KEGG metabolic pathway. The smaller the p-value is, the greater the -log (p-value). ‘a’ indicates that the same differential metabolite is involved in at least two different KEGG metabolic pathways. ‘b’ indicates that two different differential metabolites are involved in the same KEGG metabolic pathway