Optimization and hyper production of laccase from novel agaricomycete Pseudolagarobasidium acaciicola AGST3 and its application in in vitro decolorization of dyes

Thakur, Shilpi; Gupte, Akshaya

doi:10.1007/s13213-014-0849-4

Cited by 20 publications

(12 citation statements)

References 19 publications

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“…Out of the 12 isolates, one isolate showed a positive Bevandamm's reaction for laccase activity. Similar results have also been reported by Viswanath et al (2008), Patel et al (2009), Gao et al (2011 and Thakur and Gupte (2014).…”

Section: Discussionsupporting

confidence: 90%

“…In the present study, guaiacol was used as a chromogen. The reddish brown zone surrounding the mycelia of the culture on the plate supplemented with guaiacol was an indication of Bevandamm's reaction (Thakur and Gupte, 2014). Out of the 12 isolates, one isolate showed a positive Bevandamm's reaction for laccase activity.…”

Section: Discussionmentioning

confidence: 99%

“…The selection of fungal strains producing laccase was done by following the methods of Budolla et al (2008) and Thakur and Gupte (2014) with minor modifications. Isolated strains were inoculated on plates containing Olga medium, supplemented with 0.01% guaïacol and incubated at 30°C for 7 days.…”

Section: Selection Of Strains Producing Laccasementioning

confidence: 99%

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Production of laccase without inducer by Chaetomium species isolated from Chettaba forest situated in the East of Algeria

Sara¹,

Noreddine²,

Jacqueline³

2016

Afr. J. Biotechnol.

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A positive laccase strain which showed a positive reaction with guaïacol was isolated from Chettaba Forest, which is situated in Constantine, the East of Algeria. It was identified as Chaetomium species (Ref 051A) according to the morphological and ribosomal internal transcribed spacer (ITS) DNA genomic sequence analysis. Laccase activity was determined by using 2,2-azinobis(3ethylbenzthiazoline-6-sulfonate) diammonium salt (ABTS) as a substrate. Its highest activity was achieved by using potato dextrose broth (PDB) as a culture medium. Metal ion CuSO 4 had no positive effect on laccase production. The laccase activity obtained in submerged fermentation (20 L) was higher than that produced in Erlenmeyer flask (500 ml). The study of pH and temperature effects showed that pH optimum was 5 and 6, and temperature was 35°C. Laccase produced by Chaetomium spp. can be used in industrial production.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

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Production of laccase without inducer by Chaetomium species isolated from Chettaba forest situated in the East of Algeria

Sara¹,

Noreddine²,

Jacqueline³

2016

Afr. J. Biotechnol.

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“…The signal to noise ratio is measured by the adequate precision, which is more than 4.0 is desirable. [20] In all polynomial quadratic models have more than 4.0 ratios, suggesting these models can be used to navigate the design space. Based on the ANOVA table of individual and simultaneous biosorption of As, Cd, and Cr, the predicted response was calculated using the equation that is given in Table S4 in the Supporting Information.…”

Section: Response Surface Analysismentioning

confidence: 99%

Biosorption Potential of Phanerochaete chrysosporium for Arsenic, Cadmium, and Chromium Removal from Aqueous Solutions

Rudakiya

Iyer²,

Shah³

et al. 2018

Global Challenges

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Efficient degradation of hazardous contaminants from contaminated water is the major challenge for researchers, wherein heavy metals are the prominent contaminants. Consequently, the assessment of multimetal removal is necessary using efficient biosorbant. In this work, the capability of Phanerochaete chrysosporium is evaluated for the individual and simultaneous removal of heavy metals. Individual and simultaneous removal of As, Cd, and Cr is optimized using response surface methodology based on the central composite design by changing the variables, i.e., pH, fungal biomass, and metal concentration. Optimization of the individual metal removal study reveals that fungus effectively absorbs As (29.95 mg L −1 ), Cd (18.1 mg L −1 ), and Cr (26.34 mg L −1 ) at 6.1, 5.64, and 4.15 of pH, respectively. Similarly, As (14.18 mg L −1 ), Cd (4.53 mg L −1 ), and Cr (9.28 mg L −1 ) are absorbed by fungal hyphae simultaneously within 1 h. Changes in the morphology of fungal hyphae are detected in metal absorbed samples as compared to the control hyphae. Interaction of metal‐absorbed fungal hyphae is analyzed using FTIR spectroscopy, revealing that the proteins, carbohydrates, and fatty acids present in the fungal cell are interacted with metals. The model white rot fungi used in the present study can be applied efficiently for the multimetal removal in effluent treatment plants.

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“…They were first described in Toxicodendron vernicifluum (Japanese lacquer tree; formerly called Rhus vernicifera) and subsequently in a wide variety of organisms, including bacteria, insects, and fungi (notably, white rot fungi) [3]. Laccases display broad substrate specificity and are applied in many industrial and environmental technology areas, including in textile effluents (decolorization, detoxification), paper production (biobleaching, biopulping), and biopharmaceuticals (transformation of antibiotics, steroids) [4][5][6]. Their ability to remove xenobiotic substances and generate polymeric products makes them useful in bioremediation processes [7,8].…”

Section: Introductionmentioning

confidence: 99%

Fungal Laccase Production from Lignocellulosic Agricultural Wastes by Solid-State Fermentation: A Review

et al. 2019

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Laccases are copper-containing oxidase enzymes found in many fungi. They have received increasing research attention because of their broad substrate specificity and applicability in industrial processes, such as pulp delignification, textile bleaching, phenolic removal, and biosensors. In comparison with traditional submerged fermentation (SF), solid-state fermentation (SSF) is a simpler technique for laccase production and has many advantages, including higher productivity, efficiency, and enzyme stability as well as reduced production costs and environmental pollution. Here, we review recent advances in laccase production technology, with focus on the following areas: (i) Characteristics and advantages of lignocellulosic agricultural wastes used as SSF substrates of laccase production, including detailed suggestions for the selection of lignocellulosic agricultural wastes; (ii) Comparison of fungal laccase production from lignocellulosic substrates by either SSF or SF; (iii) Fungal performance and strain screening in laccase production from lignocellulosic agricultural wastes by SSF; (iv) Applications of laccase production under SSF; and (v) Suggestions and avenues for future studies of laccase production by fungal SSF with lignocellulosic materials and its applications.

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Optimization and hyper production of laccase from novel agaricomycete Pseudolagarobasidium acaciicola AGST3 and its application in in vitro decolorization of dyes

Cited by 20 publications

References 19 publications

Production of laccase without inducer by Chaetomium species isolated from Chettaba forest situated in the East of Algeria

Production of laccase without inducer by Chaetomium species isolated from Chettaba forest situated in the East of Algeria

Biosorption Potential of Phanerochaete chrysosporium for Arsenic, Cadmium, and Chromium Removal from Aqueous Solutions

Fungal Laccase Production from Lignocellulosic Agricultural Wastes by Solid-State Fermentation: A Review

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