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Table 1 Identification of metabolites formed during transformation of different CNACs by strain SJ98

From: Chemotaxis of Burkholderia sp. Strain SJ98 towards chloronitroaromatic compounds that it can metabolise

 

GC Rt of substrates and metabolites (min)

HPLC Rt of substrates and metabolites (min)

Identified metabolites

 

Substrate

Metabolite

Substrate

Metabolite

 

Test compounds

     

2C4NP

2.66

2.43, 4.18, 5.99

2.16

1.98, 3.58, 4.21

PNP, 4NC, BT

2C3NP

2.42

2.31

2.07

1.86,3.49

MNP, 3NC

4C2NP

2.24

ND

2.03

ND

ND

2C4NB

2.74

2.1, 3.60

19.45

3.53

PNB, 3,4DHBA

4C2NB

2.51

2.88, 3.26

21.87

2.36, 3.89

ONB, 3HAA

5C2NB

2.52

2.875, 3.24

26.98

2.41, 3.92

ONB, 3HAA

Standards

     

PNP

2.44

 

1.99

  

4NC

4.17

 

3.59

  

BT

5.94

 

4.19

  

MNP

2.32

 

1.88

  

3-Nitrocatechol

ND

 

3.50

  

PNB

2.11

 

3.53

  

3,4DHBA

3.60

 

ND

  

ONB

2.88

 

2.36

  

3HAA

3.25

 

3.91

  
  1. ND not determined; PNP p-nitrophenol, 4NC 4-nitrocatechol, BT benzenetriol, MNP m-nitrophenol, 3NC 3-nitrocatechol, PNB p-nitrobenzoate, 3,4DHBA 3,4- dihydrooxybenzoate, ONB o-nitrobenzoate, 3HAA 3-hydroxyanthranilic acid