Biodecolorization and biodegradation potential of recalcitrant triphenylmethane dyes by Coriolopsis sp. isolated from compost

Chen, Si Hui; Ting, Adeline Su Yien

doi:10.1016/j.jenvman.2014.09.014

Cited by 128 publications

(50 citation statements)

References 33 publications

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“…The decolourization based on the use of enzymatic methods is shown as a potential alternative to the chemical methods, and it is investigated in many studies using fungal laccase systems as a promising tool (Chen and Yien Ting 2015;Manai et al 2016). Multiple studies have shown the treatment of industrial synthetic dyes by using purified laccases (Wong and Yu 1999;Wesenberg et al 2003;Zouari-Mechichi et al 2006;Koyani et al 2013;Xu et al 2016;Wang et al 2016).…”

Section: Decolourization Of Synthetic Dyesmentioning

confidence: 99%

A halotolerant laccase from Chaetomium strain isolated from desert soil and its ability for dye decolourization

et al. 2017

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A novel fungal laccase produced by the ascomycete sp. isolated from arid soil was purified and characterized and its ability to remove dyes was determined. Extracellular laccase was purified 15-fold from the crude culture to homogeneity with an overall yield of 50% using ultrafiltration and anion-exchange chromatography. The purified enzyme was found to be a monomeric protein with a molecular mass of 68 kDa, estimated by SDS-PAGE, and with an isoelectric point of 5.5. The optimal temperature and pH value for laccase activity toward 2,6-DMP were 60 °C and 3.0, respectively. It was stable at temperatures below 50 °C and at alkaline conditions. Kinetic study showed that this laccase showed higher affinity on ABTS than on 2,6-DMP. Its activity was enhanced by the presence of several metal ions such as Mg, Ca and Zn, while it was strongly inhibited by Fe, Ag and Hg. The novel laccase also showed high, remarkable sodium chloride tolerance. Its ability to decolorize different dyes, with or without HBT (1-hydroxy-benzotriazole), as redox mediator, suggests that this protein may be useful for different industrial applications and/or bioremediation processes.

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Section: Decolourization Of Synthetic Dyesmentioning

confidence: 99%

A halotolerant laccase from Chaetomium strain isolated from desert soil and its ability for dye decolourization

et al. 2017

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“…In contrast, 0.5 g of Pencillium ochrochloron was sufficient to decolorize (93% decolorization) 50 mg/L of Cotton Blue within 2.5 h (Shedbalkar et al 2008). The advantage of using higher biomass concentration has also been studied by other researchers (Saratale et al 2006; Jadhav and Govindwar 2006; Shedbalkar et al 2008; Parshetti et al 2011; Chen and Ting 2015), attributed to availability of more number of cells to secrete extracellular enzymes responsible for biodegradation (Abedin 2008). Higher biomass concentration (6 and 8 g) also maintained metabolic functions and cell viability for a longer time period, supporting biodegradation and decolorization process (Bergsten-Torralba et al 2009).…”

Section: Resultsmentioning

confidence: 87%

Mineralization of a sulfonated textile dye Reactive Red 31 from simulated wastewater using pellets of Aspergillus bombycis

Khan

Fulekar

2017

Bioresour. Bioprocess.

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BackgroundReactive Red 31, applied extensively in the commercial textile industry, is a hazardous and persistent azo dye compound often present in dye manufacturing and textile industrial effluents. Aspergillus bombycis strain was isolated from dye contaminated zones of Gujarat Industrial Development Corporation, Vatva, Ahmedabad, India. The decolorization potential was monitored by the decrease in maximum absorption of the dye using UV–visible spectroscopy. Optimization of physicochemical conditions was carried out to achieve maximum decolorization of Reactive Red 31 by fungal pellets.ResultsPellets of A. bombycis strain were found to decolorize this dye (20 mg/L) under aerobic conditions within 12 h. The activity of azoreductase, laccase, phenol oxidase and Manganese peroxidase in fungal culture after decolorization was about 8, 7.5, 19 and 23.7 fold more than before decolorization suggesting that these enzymes might be induced by the addition of Reactive Red 31 dye, and thus results in a higher decolorization. The lab-scale reactor was developed and mineralization of Reactive Red 31 dye by fungal pellets was studied at 6, 12 and 24 h of HRT (hydraulic retention time). At 12 h of HRT, decolorization potential, chemical oxygen demand (COD) and total organic carbon reduction (TOC) was 99.02, 94.19, and 83.97%, respectively, for 20 mg/L of dye concentration.ConclusionsDye decolorization potential of A. bombycis culture was influenced by several factors such as initial dye concentration, biomass concentration, pH, temperature, and required aerated conditions. Induction of azoreductase, laccase, phenol oxidase, and Mn-peroxidase enzymes was observed during dye decolorization phase. A. bombycis pellets showed potential in mineralization of dye in the aerobic reactor system. Isolated fungal strain A. bombycis showed better dye decolorization performance in short duration of time (12 h) as compared to other reported fungal cultures.Graphical abstractDegradation of RR31 dye in developed aerobic fungal pelleted reactor.

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“…Due to the presence of these enzymes, fungal cultures appear to be suitable for degrading dyes in textile wastewater. These enzymes are Lignin peroxidase (LiP), Laccase and Manganese peroxidase (MnP) [111], white rot fungus Pleurotus eryngii [112], and Penicilliumsim plicissimum [113]. However, white rot fungi coriolopsis sp.…”

Section: Textile Wastewater Treatmentmentioning

confidence: 99%

“…However, white rot fungi coriolopsis sp. [111] have long growing seasons, high environmental requirements, and unreliable enzyme production. The main problem with the use of fungi alone is that the system is unstable.…”

Section: Textile Wastewater Treatmentmentioning

confidence: 99%

Preparation, Performances, and Mechanisms of Microbial Flocculants for Wastewater Treatment

et al. 2020

IJERPH

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In recent years, close attention has been paid to microbial flocculants because of their advantages, including safety to humans, environmental friendliness, and acceptable removal performances. In this review, the preparation methods of microbial flocculants were first reviewed. Then, the performances of bioflocculants in the removal of suspended solids, heavy metals, and other organic pollutants from various types of wastewater were described and commented, and the removal mechanisms, including adsorption bridging, charge neutralization, chemical reactions, and charge neutrality, were also discussed. The future research needs on microbial flocculants were also proposed. This review would lead to a better understanding of current status, challenges, and corresponding strategies on microbial flocculants and bioflocculation in wastewater treatment.

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Biodecolorization and biodegradation potential of recalcitrant triphenylmethane dyes by Coriolopsis sp. isolated from compost

Cited by 128 publications

References 33 publications

A halotolerant laccase from Chaetomium strain isolated from desert soil and its ability for dye decolourization

A halotolerant laccase from Chaetomium strain isolated from desert soil and its ability for dye decolourization

Mineralization of a sulfonated textile dye Reactive Red 31 from simulated wastewater using pellets of Aspergillus bombycis

Preparation, Performances, and Mechanisms of Microbial Flocculants for Wastewater Treatment

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