Table 5 Extracellular and intracellular enzymes’ activities produced after decolorizing 50 mg L−1 RB5 by the halotolerant yeast strain SSA-1575.

From: Ecofriendly biodegradation of Reactive Black 5 by newly isolated Sterigmatomyces halophilus SSA1575, valued for textile azo dye wastewater processing and detoxification

Enzyme

Control

High salinity

Intracellular

Extracellular

Intracellular

Extracellular

Laca

0.367 ± 0.002

ND

0.083 ± 0.001*

ND

LiPa

0.452 ± 0.008

ND

0.283 ± 0.001*

ND

MnPa

0.171 ± 0.006

ND

0.023 ± 0.0002*

ND

NADH-DCIP reductaseb

20.7 ± 0.04

12.93 ± 0.05*

41.74 ± 0.67*

25.03 ± 0.11*

Azoreductasec

2.83 ± 0.63

0.11 ± 0.015

ND

ND

  1. Values are mean of triplicates ± SD. Significantly of enzyme activities after dye decoloration differ from target dye (control) at * p < 0.05 using one-way (ANOVA) with Tukey–Kramer comparison test. ND not detected.
  2. aActivity measured by U/min/mg protein.
  3. bActivity measured by µg of DCIP reduced/min/mg protein.
  4. cActivity measured by µg of methyl red reduced/min/mg protein.
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