Bioremediation of dyes by fungi isolated from contaminated dye effluent sites for bio-usability
Braz. j. microbiol
;
45(3): 1055-1063, July-Sept. 2014. ilus, graf
Artículo
en Inglés
| LILACS
| ID: lil-727038
ABSTRACT
Biodegradation and detoxification of dyes, Malachite green, Nigrosin and Basic fuchsin have been carried out using two fungal isolates Aspergillus niger, and Phanerochaete chrysosporium, isolated from dye effluent soil. Three methods were selected for biodegradation, viz. agar overlay and liquid media methods; stationary and shaking conditions at 25 °C. Aspergillus niger recorded maximum decolorization of the dye Basic fuchsin (81.85%) followed by Nigrosin (77.47%), Malachite green (72.77%) and dye mixture (33.08%) under shaking condition. Whereas, P. chrysosporium recorded decolorization to the maximum with the Nigrosin (90.15%) followed by Basic fuchsin (89.8%), Malachite green (83.25%) and mixture (78.4%). The selected fungal strains performed better under shaking conditions compared to stationary method; moreover the inoculation of fungus also brought the pH of the dye solutions to neutral from acidic. Seed germination bioassay study exhibited that when inoculated dye solutions were used, seed showed germination while uninoculated dyes inhibited germination even after four days of observation. Similarly, microbial growth was also inhibited by uninoculated dyes. The excellent performance of A. niger and P. chrysporium in the biodegradation of textile dyes of different chemical structures suggests and reinforces the potential of these fungi for environmental decontamination.
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Índice:
LILACS (Américas)
Asunto principal:
Aspergillus niger
/
Microbiología del Suelo
/
Biodegradación Ambiental
/
Biotransformación
/
Phanerochaete
/
Colorantes
Idioma:
Inglés
Revista:
Braz. j. microbiol
Asunto de la revista:
Microbiologia
Año:
2014
Tipo del documento:
Artículo
País de afiliación:
India
Institución/País de afiliación:
College of Applied Education & Health Sciences/IN
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