Removal of dyes by immobilization of Trametes versicolor in a solid-state micro-fermentation system

Diorio, Luis Alberto; Fréchou, Damiana María Salvatierra; Levin, Laura

doi:10.1016/j.ram.2020.04.007

Cited by 15 publications

(6 citation statements)

References 30 publications

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“…The first stage of this study consisted of evaluating the mycelium growth rate of G. carnosum, T. versicolor, P. ostreatus, F. pinicola and P. eryngii using three different nutrient-rich agar media (PDA, MEA and MMN) at 22 • C, 25 • C and 28 • C. The temperatures and media tested were chosen by considering typical reported conditions for growing and maintaining the selected fungal species [21,[33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48], and that the general optimum for hyphal growth of wood decay fungi is 25 • C [46]. MMN agar was included as it is often used for fungal species isolation and maintenance in the laboratory.…”

Section: Fungal Strain Selectionmentioning

confidence: 99%

Wood-Decaying Fungi: From Timber Degradation to Sustainable Insulating Biomaterials Production

Charpentier-Alfaro¹,

Benavides-Hernández

Poggerini³

et al. 2023

Materials

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Addressing the impacts of climate change and global warming has become an urgent priority for the planet’s well-being. In recent decades the great potential of fungal-based products with characteristics equal to, or even outperforming, classic petroleum-derived products has been acknowledged. These new materials present the added advantage of having a reduced carbon footprint, less environmental impact and contributing to the shift away from a fossil-based economy. This study focused on the production of insulation panels using fungal mycelium and lignocellulosic materials as substrates. The process was optimized, starting with the selection of Trametes versicolor, Pleurotus ostreatus, P. eryngii, Ganoderma carnosum and Fomitopsis pinicola isolates, followed by the evaluation of three grain spawn substrates (millet, wheat and a 1:1 mix of millet and wheat grains) for mycelium propagation, and finishing with the production of various mycelium-based composites using five wood by-products and waste materials (pine sawdust, oak shavings, tree of heaven wood chips, wheat straw and shredded beech wood). The obtained biomaterials were characterized for internal structure by X-ray micro-CT, thermal transmittance using a thermoflowmeter and moisture absorption. The results showed that using a wheat and millet 1:1 (w/w) mix is the best option for spawn production regardless of the fungal isolate. In addition, the performance of the final composites was influenced both by the fungal isolate and the substrate used, with the latter having a stronger effect on the measured properties. The study shows that the most promising sustainable insulating biomaterial was created using T. versicolor grown on wheat straw.

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Section: Fungal Strain Selectionmentioning

confidence: 99%

Wood-Decaying Fungi: From Timber Degradation to Sustainable Insulating Biomaterials Production

Charpentier-Alfaro¹,

Benavides-Hernández

Poggerini³

et al. 2023

Materials

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“…Bacteria such as Bacillus sp. MZS10, Bacillus subtilis, as well as fungi like Phanerochaete chrysosporium and Trametes versicolor, have demonstrated efficacy in removing dyes like IC through enzymatic activity (Diorio et al 2021, Ahlawat et al 2022.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the feasibility of using biopolymers of different viscosities as immobilization carriers for laccase in synthetic dye removal

Białowąs,

Kończak,

Chałupnik

et al. 2024

Archives of Environmental Protection

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The main aim of the study was to assess the feasibility of using biopolymers of different viscosities (high, medium and low viscosity) as immobilization carriers for laccase in synthetic dye removal. The following dye solutions were decolorized: indigo carmine (IC, anionic dye), methylene blue (MB, cationic dye), and their mixture in a molar mass ratio MB/IC=0.69, using biopolymers of different viscosities as laccase immobilization carriers. Toxicity tests were also carried out to assess the toxicity of the post-decolorization samples. Decolorization tests showed that the main decolorization mechanism depends on the dye class. The removal of IC (max. total removal efficiency 72.15%) was mainly by biocatalysis. The mechanism of the MB decolorization process was mainly by sorption on alginate beads, and the efficiency of enzymatic removal was low. However, the highest efficiency of MB decolorization (45.80%) was obtained for beads prepared using the high viscosity alginate when decolorization occurred by both sorption and biocatalysis. The results of mixture decolorization tests differ from the results obtained for single dyes.The results showed differences in the efficiency of the dye sorption process depending on the alginate used for immobilization. Moreover, the varying mechanisms of dye removal from the dye mixture were confirmed by toxicity tests. The occurrence of both biocatalysis and sorption promotes reduced toxicity

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“…versicolor is used in conventional chemo- or radiation cancer therapies in Japan [ 2 – 4 ]. In addition, its capacities to degrade lignin, remove dyes, and even generate oil from waste have garnered much attention [ 5 , 6 ]. Some scientists have found that the T .…”

Section: Introductionmentioning

confidence: 99%

Arsenic(III)-induced oxidative defense and speciation changes in a wild Trametes versicolor strain

et al. 2023

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Oxidative defense or arsenic(As) changes exhibited by Trametes versicolor in response to toxicity under As stress remain unclear. In this study, after internal transcribed spacer identification, a wild T. versicolor HN01 strain was cultivated under 40 and 80 mg/L of As III stress. The antioxidant contents by multifunctional microplate reader and the speciations of As by high performance liquid chromatography in conjunction with inductively coupled plasma mass spectrometry were examined to explore the detoxification mechanisms. The results demonstrated this strain could tolerate As concentration of 80 mg/L with a bio-enrichment coefficients of 11.25. Among the four antioxidants, the activities of catalase, superoxide dismutase, and glutathione in the As-stress group at 80 mg/L improved by 1.10, 1.09, and 20.47 times that of non-stress group, respectively. The speciation results indicated that AsV was the dominant species in the hyphae of T. versicolor regardless of no-stress or As-stress. The detoxification mechanisms of this strain were involved alleviating the toxicity by increasing the activities of antioxidants, especially glutathione, as well as by converting As III into As V and other less toxic As species. T. versicolor could be used as a bio-accumulator to deal with As exposure in contaminated environments based on its extraordinary As tolerance and accumulation capacities.

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Removal of dyes by immobilization of Trametes versicolor in a solid-state micro-fermentation system

Cited by 15 publications

References 30 publications

Wood-Decaying Fungi: From Timber Degradation to Sustainable Insulating Biomaterials Production

Wood-Decaying Fungi: From Timber Degradation to Sustainable Insulating Biomaterials Production

Analysis of the feasibility of using biopolymers of different viscosities as immobilization carriers for laccase in synthetic dye removal

Arsenic(III)-induced oxidative defense and speciation changes in a wild Trametes versicolor strain

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