Reductive Decolorization of Azo Dye by Bacteria - Microbial Degradation of Synthetic Dyes in Wastewaters - page 120

Table 2 Decolorization of azo dyes by bacterial azoreductase
Species Molecular

mass

Cofactor Electron

donor

O 2 Optimum

pH

Optimum
Temp.

K m
( μ M)

V max
(U)

References

Bacillus sp. Strain
SF

62 kDa
(monomer)

NA NADH S 8.0 - 9.0 80 NA NA Maier et al. ( 2004 )

Bacillus velezensis
Strain AB

60 kDa NADH NADH I NA NA NA NA Bafana et al. ( 2008 )

Caulobacter sub-
vibrioides strain
C7-D

30 kDa NA NADH

NADPH

I 6.0 7.5 NA 1 NA Mazumder et al. ( 1999 )

-

Xenophilus azovo-
rans KF46

30 kDa
(monomer)

NA NAD(P)

H

I 5.0 8.0 45 1.5 17.8 Zimmermann et al. ( 1982 ),

Bl

-

ü mel et al. ( 2002 ), B ü rger

and Stolz ( 2010 )

Pigmentiphaga
kullae K24

21 kDa
(monomer)

NA NADPH

NADH

I 6.2 - 6.8 41 1.1 NA Zimmermann et al. ( 1984 ),

Bl ü mel and Stolz ( 2003 )

Pseudomonas
aeruginosa

29 kDa
(monomer)

NA NADH I 7 35 62.5 16.67 Nachiyar and Rajakumar

( 2005 )

Bacillus badius 43 kDa

(monomer)

NA NADH I 7.4 60 1330 100 Misal et al. ( 2011 )

Geobacillus
stearothermophilus

46 kDa
(homodimer)

FMN NADH I NA 85 NA NA Matsumoto et al. ( 2010 )

Bacillus sp. B29 48 kDa

(homodimer)

FMN NADH I 6 - 10 60 - 80 NA NA Ooi et al. ( 2007 )

Bacillus sp. B29 48 kDa

(homodimer)

FMN NADH NA 5.0 - 11 70 37 NA Ooi et al. ( 2009 )

48 kDa
(homodimer)

FMN NADH NA 6.6 10 55 61.1 NA

-