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Enzymatic degradation and detoxification of azo dye Congo red by a new laccase from Oudemansiella canarii
Open accessAbstract
A single laccase with molecular weight of 41 kDa was produced by the white-rot fungus Oudemansiella canarii cultured on solid state fermentation using a mixture of sugarcane bagasse-wheat bran as substrate. The enzyme (5 U) was able to decolourize 80% of 50 mg/L Congo red within 24 h at 30 °C and pH 5.5. The relationship between the decolorization rate and dye concentration obeyed Michaelis-Menten kinetics, with KM and Vmax values of 46.180 ± 6.245 µM and 1.840 ± 0.101 µmol/min, respectively. Fourier transform infrared spectroscopy (FTIR) and mass spectrometry allowed to conclude that the laccase acts not only on the dye chromophore group, but also that it cleaves different covalent bonds, causing an effective fragmentation of the molecule. The action of the laccase caused a significant reduction in toxicity, as indicated by the Microtox test. In conclusion, O. canarii laccase could be useful in future biological strategies aiming at degrading azo dyes.
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Cites
Spectrometric Identification of Organic Compounds
Silverstein, R. M., & Bassler, G. C. (1962) · Journal of Chemical Education · doi:10.1021/ed039p546 · Cited by 14,272
Bacterial Degradation of Aromatic Compounds
Seo, J.-S., Keum, Y.-S., & Li, Q. X. (2009) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph6010278 · Cited by 968
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Laccases: structure, function, and potential application in water bioremediation
Arregui, L., Ayala, M., Gómez-Gil, X., Gutiérrez-Soto, G., Hernández-Luna, C. E., Herrera de los Santos, M., Levin, L., Rojo-Domínguez, A., Romero-Martínez, D., Saparrat, M. C. N., et al. (2019) · Microbial Cell Factories · doi:10.1186/s12934-019-1248-0 · Cited by 515
Biological remediation technologies for dyes and heavy metals in wastewater treatment: New insight
Singh, A., Pal, D. B., Mohammad, A., Alhazmi, A., Haque, S., Yoon, T., Srivastava, N., & Gupta, V. K. (2022) · Bioresource Technology · doi:10.1016/j.biortech.2021.126154 · Cited by 466
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Ayilara, M. S., & Babalola, O. O. (2023) · Frontiers in Agronomy · doi:10.3389/fagro.2023.1183691 · Cited by 437
Khan, M. D., Singh, A., Khan, M. Z., Tabraiz, S., & Sheikh, J. (2023) · Journal of Water Process Engineering · doi:10.1016/j.jwpe.2023.103579 · Cited by 384
Metadata
- Authors
- Iark, D., Buzzo, A. J. D. R., Garcia, J. A. A., Côrrea, V. G., Helm, C. V., Corrêa, R. C. G., Peralta, R. A., Peralta Muniz Moreira, R. D. F., Bracht, A., & Peralta, R. M.
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2019-10
- Volume
- 289
- Pages
- 121655
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2952902698
- Cited by
- 235
- References
- 2
- FWCI
- 18.17
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Iark, D., Buzzo, A. J. D. R., Garcia, J. A. A., Côrrea, V. G., Helm, C. V., Corrêa, R. C. G., Peralta, R. A., Peralta Muniz Moreira, R. D. F., Bracht, A., & Peralta, R. M. (2019). Enzymatic degradation and detoxification of azo dye Congo red by a new laccase from Oudemansiella canarii. Bioresource Technology. https://doi.org/10.1016/j.biortech.2019.121655
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
