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Table 3 Effect of inhibitors derived from lignocellulose degradation on the growth of the MnP-producing oleaginous yeasts comprising NYC-1 consortium

From: Wood-feeding termite gut symbionts as an obscure yet promising source of novel manganese peroxidase-producing oleaginous yeasts intended for azo dye decolorization and biodiesel production

Compound

Concentration (g/L)

Growth*

M. caribbica SSA1654

M. guilliermondii SSA1547

D. hansenii SSA1502

V. humicola SSA1514

Furfural

0.5

 + 3

 + 3

 + 3

 + 3

 

1.0

 + 2

 + 3

DG

 + 1

 

1.5

DG

NG

NG

NG

5-HMF

0.5

 + 3

 + 3

 + 3

 + 3

 

1.0

 + 3

 + 3

 + 3

 + 3

 

2.0

 + 3

 + 3

 + 3

 + 3

 

2.5

 + 3

WG

 + 1

 + 1

Formic acid

0.5

 + 3

 + 3

 + 2

 + 3

 

1.0

 + 3

WG

 + 1

DG

 

3.0

 + 1

NG

NG

NG

 

4.0

NG

NG

NG

NG

Vanillin

0.5

 + 3

 + 3

 + 3

 + 3

 

1.0

 + 3

 + 3

 + 3

 + 1

 

2.0

 + 1

DG

NG

NG

 

2.5

NG

NG

NG

NG

Acetic acid

0.5

 + 3

 + 3

 + 3

 + 3

 

1.0

 + 3

 + 3

 + 3

 + 3

 

1.5

 + 2

 + 1

 + 1

 + 3

 

2.5

 + 1

NG

NG

NG

  1. NG no growth, WG weak growth, DG delayed growth and reached maximum turbidity after 7 days of incubation, + 3 excellent growth, + 2 good growth, + 1 moderate growth
  2. *Control for all strains tested was + 3, since control is the medium without lignocellulose degradation inhibitor