Role of Bacterial-Fungal Consortium for Enhancement in the Degradation of Industrial Dyes

Overview

Journal Curr Genomics

Publisher Bentham Science Publishers

Date 2020 Oct 19

PMID 33071621

Citations 4

Authors

Asmaa M M Mawad

Abd El-Latif Hesham

Naiema M H Yousef

Ahmed A M Shoreit

Nicholas Gathergood

Vijai Kumar Gupta

Affiliations

Soon will be listed here.

Abstract

Background: The presence of anthraquinone (Disperse blue 64) and azodyes (Acid yellow 17) in a waterbody are considered among the most dangerous pollutants.

Methods: In this study, two different isolated microbes, bacterium and fungus, were individually and as a co-culture applied for the degradation of Disperse Blue 64 (DB 64) and Acid Yellow 17 (AY 17) dyes. The isolates were genetically identified based upon 16S (for bacteria) and ITS/5.8S (for fungus) rRNA genes sequences as Pseudomoans aeruginosa and Aspergillus flavus, respectively.

Results: The fungal/bacterial consortium exhibited a higher percentage of dyes degradation than the individual strains, even at a high concentration of 300 mg/L. Azoreductase could be identified as the main catabolic enzyme and the consortium could induce azoreductase enzyme in the presence of both dyes. However, the specific substrate which achieved the highest azoreductase specific activity was Methyl red (MR) (3.5 U/mg protein). The tentatively proposed metabolites that were detected by HPLC/MS suggested that the reduction process catalyzed the degradation of dyes. The metabolites produced by the action consortium on two dyes were safe on Vicia faba and Triticum vulgaris germination and health of seedlings. Toxicity of the dyes and their degradation products on the plant was different according to the type and chemistry of these compounds as well as the type of irrigated seeds.

Conclusion: We submit that the effective microbial degradation of DB64 and AY17 dyes will lead to safer metabolic products

Citing Articles

Enhancing environmental decontamination and sustainable production through synergistic and complementary interactions of actinobacteria and fungi.

Saez J, Raimondo E, Costa-Gutierrez S, Aparicio J, Mosca Angelucci D, Donati E Heliyon. 2025; 11(3):e42135.

PMID: 39991206 PMC: 11847236. DOI: 10.1016/j.heliyon.2025.e42135.

Improving Tannery Wastewater Treatments Using an Additional Microbial Treatment with a Bacterial-Fungal Consortium.

Ameen F Biology (Basel). 2023; 12(12).

PMID: 38132333 PMC: 10741134. DOI: 10.3390/biology12121507.

Adaptive Response of Thermophiles to Redox Stress and Their Role in the Process of dye Degradation From Textile Industry Wastewater.

Aragaw T, Bogale F, Gessesse A Front Physiol. 2022; 13:908370.

PMID: 35795652 PMC: 9251311. DOI: 10.3389/fphys.2022.908370.

The effect of bacterium addition on methylene blue dye biodecolorization by brown-rot fungus .

Nabilah B, Purnomo A, Rizqi H, Putro H, Nawfa R Heliyon. 2022; 8(2):e08963.

PMID: 35243083 PMC: 8860926. DOI: 10.1016/j.heliyon.2022.e08963.

Genomics of Extremophiles for Sustainable Agriculture and Biotechnological Applications (Part II).

Vaishnav A, Sahu J, Singh H Curr Genomics. 2020; 21(4):238-240.

PMID: 33071617 PMC: 7521045. DOI: 10.2174/138920292104200626145516.

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