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Table 1 Metabolites were grouped into five clusters according to accumulation pattern.

From: A systems biology approach toward understanding seed composition in soybean

 

No. of Metabolites

 
 

Metabolite Classa

  

In Group

AA

AR

eFA

fFA

OA

SGD

ST

UK

Total

P-Value b

Cluster M1

3

4

9

1

2

9

23

29

80

0.00001

Cluster M2

15

0

0

2

7

10

0

27

61

0.00005

Cluster M3

0

0

3

1

3

11

4

14

36

0.03600

Cluster M4

0

2

0

7

0

2

2

22

35

0.00005

Cluster M5

13

1

0

1

3

9

1

33

61

0.00707

All detected

31

7

12

12

15

41

30

125

273

 

P-Value c

7.45E-07

0.092

3.99E-05

0.023

0.070

0.185

1.30E-12

0.073

2.30E-05

 
  1. aMetabolite Class: AA = Amino acids and Amines, AR = Aromatics, eFA = esterified Fatty Acid, fFA = free Fatty Acid, OA = Organic Acid, SGD = Sugars and Derivatives (alcohols and acids), ST = Sterols and Tocopherols, UK = Unclassified or Unknown.
  2. bP-value, determined by Chi-square test, indicates whether the metabolites from the eight metabolite classes are distributed in each cluster in proportion to their distribution in the whole group. Significant p-values (alpha ≤ 0.05) are shown in bold.
  3. cP-value, determined by Chi-square test, indicates whether the metabolites in each metabolite class are evenly distributed in each cluster. Significant p-values (alpha ≤ 0.05) are shown in bold.
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BMC Genomics

ISSN: 1471-2164

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