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Zhu J, Wang W, Sun W, Lei Y, Tan Q, Zhao G, Yun J, Zhao F. Overexpression of cat2 restores antioxidant properties and production traits in degenerated strains of Volvariella volvacea. Free Radic Biol Med 2024; 215:94-105. [PMID: 38432262 DOI: 10.1016/j.freeradbiomed.2024.02.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 02/14/2024] [Accepted: 02/29/2024] [Indexed: 03/05/2024]
Abstract
Strain degeneration is an important factor hindering the development of the edible fungus industry. Strain degeneration is associated with the excessive accumulation of reactive oxygen species (ROS) in vivo. Catalase (CAT), an important antioxidant enzyme, can promote the clearance of ROS. In this study, the cat2 gene of Volvariella volvacea was first cloned into an overexpression plasmid via homologous recombination. Finally, through Agrobacterium-mediated transformation, this plasmid was inserted into degenerated strains of V. volvacea T19. The physiological properties, antioxidant properties, ROS content, matrix degradation activity, and cultivation properties of the transformants were tested. The results showed that the cloned cat2 gene was 99.94% similar to the reference sequence. Screening revealed that six positive transformants were successfully obtained. After the overexpression of cat2, the growth rate and biomass of the mycelium increased significantly in the transformant strains (versus the V. volvacea T19 degenerated strains). Moreover, the accumulation of superoxide radical (O2•-) and hydrogen peroxide (H2O2) was significantly reduced, and the activity of the enzymes CAT, superoxide dismutase (SOD), glutathione reductase (GR), and glutathione peroxidase (GPX) was significantly increased. Meanwhile, the expression of cat2, Mnsod1, Mnsod2, gpx, and gr was significantly upregulated, and the activity of eight matrix degradation-related enzymes was increased to varying degrees. More importantly, the overexpression of the cat2 gene promoted the regrowth of fruiting bodies in degenerated strains of V. volvacea T19. This study provides a new biotechnological strategy to control the degeneration of V. volvacea and other edible fungi.
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Affiliation(s)
- Jianing Zhu
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China
| | - Wenpei Wang
- Lanzhou Institute of Biological Products Limited Liability Company, Lanzhou, Gansu, China
| | - Wanhe Sun
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China
| | - Yuanxi Lei
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China
| | - Qiangfei Tan
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China
| | - Gahong Zhao
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China
| | - Jianmin Yun
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China
| | - Fengyun Zhao
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China.
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2
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Kózka B, Sośnicka A, Nałęcz-Jawecki G, Drobniewska A, Turło J, Giebułtowicz J. Various species of Basidiomycota fungi reveal different abilities to degrade pharmaceuticals and also different pathways of degradation. CHEMOSPHERE 2023; 338:139481. [PMID: 37454990 DOI: 10.1016/j.chemosphere.2023.139481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 06/19/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
The presence of pharmaceuticals (PhACs) in the aquatic environment is an emerging problem worldwide. PhACs reach surface water via the effluents of wastewater treatment plants (WWTPs). WWTPs, although able to remove organic pollutants, do not always remove PhACs. Currently, in the treatment of sewage with the activated sludge method, numerous microorganisms are used, mostly bacteria. Nevertheless, these microorganisms are not resistant to many drug contaminants, and some may also pose a risk to human health. White-rot fungi (WRF), which degrade a wide spectrum of environmental pollutants, may be used as an alternative to microorganisms. However, little data exists comparing the removal of various PhACs by different WRF. In this study, we aimed to determine the ability of three WRF Basidiomycota species, Armillaria mellea, Phanerochaete chrysosporium, and Pleurotus ostreatus, to remove PhACs from various therapeutic groups over the course of 1 h-4 days. Additionally, we identified the fungal metabolites of PhACs, proposed the degradation pathways, and assessed the toxicity of the post-culture media. All selected WRF removed PhACs, but the degree of removal depended on WRF species and PhACs type. Antidepressants and immunosuppressants were removed most efficiently by P. ostreatus, cardiovascular drugs and sulfamethoxazole by A. mellea, and erythromycin by P. chrysosporium. The vast differences observed highlight the need for more intensive testing of different WRF species to select the best species for removing pharmaceuticals of interest. The structure of metabolites generated during degradation strongly depended on WRF species, but the most frequent xenobiotic transformations were oxidation and dealkylation. The obtained results gave insight into the substrate specificity of selected WRF while also providing a broad extension of the knowledge of pharmaceutical degradation by A. mellea.
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Affiliation(s)
- B Kózka
- Medical University of Warsaw, Faculty of Pharmacy, Department of Drug Chemistry, Poland
| | - A Sośnicka
- Medical University of Warsaw, Faculty of Pharmacy, Department of Drug Technology and Pharmaceutical Biotechnology, Poland
| | - G Nałęcz-Jawecki
- Medical University of Warsaw, Faculty of Pharmacy, Department of Environmental Health Sciences, Poland
| | - A Drobniewska
- Medical University of Warsaw, Faculty of Pharmacy, Department of Environmental Health Sciences, Poland
| | - J Turło
- Medical University of Warsaw, Faculty of Pharmacy, Department of Drug Technology and Pharmaceutical Biotechnology, Poland
| | - J Giebułtowicz
- Medical University of Warsaw, Faculty of Pharmacy, Department of Drug Chemistry, Poland.
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3
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Aza P, Linde D, Molpeceres G, Vind J, Medrano FJ, Camarero S. Role and structure of the small subunit forming heterodimers with laccase-like enzymes. Protein Sci 2023; 32:e4734. [PMID: 37483125 PMCID: PMC10443355 DOI: 10.1002/pro.4734] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
Unlike laccases sensu stricto, which are usually monomeric enzymes, laccase-like enzymes recently re-classified as Novel Laccases (NLACs) are characterized by the formation of heterodimers with small proteins (subunits) of unknown function. Here the NLAC from Pleurotus eryngii (PeNL) and a small protein selected from the fungal genome, that is homologous to reported POXA3 from Pleurotus ostreatus, were produced in Aspergillus oryzae separately or together. The two proteins interacted regardless of whether the small subunit was co-expressed or exogenously added to the enzyme. The stability and catalytic activity of PeNL was significantly enhanced in the presence of the small subunit. Size exclusion chromatography-multi angle light scattering (SEC-MALS) analysis confirmed that the complex PeNL-ss is a heterodimer of 77.4 kDa. The crystallographic structure of the small protein expressed in Escherichia coli was solved at 1.6 Å resolution. This is the first structure elucidated of a small subunit of a NLAC. The helix bundle structure of the small subunit accommodates well with the enzyme model structure, including interactions with specific regions of NLACs and some amino acid residues of the substrate-binding loops.
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Affiliation(s)
- Pablo Aza
- Centro de Investigaciones Biológicas Margarita Salas, CSICMadridSpain
| | - Dolores Linde
- Centro de Investigaciones Biológicas Margarita Salas, CSICMadridSpain
| | | | | | - F. Javier Medrano
- Centro de Investigaciones Biológicas Margarita Salas, CSICMadridSpain
| | - Susana Camarero
- Centro de Investigaciones Biológicas Margarita Salas, CSICMadridSpain
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4
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Armas-Tizapantzi A, Martínez Y Pérez JL, Fernández FJ, Mata G, Hernández-Cuevas LV, Ortiz Ortiz E, García Nieto E, Tomasini A, Sierra-Palacios E, Marcial-Quino J, Montiel-González AM. Silencing of the Laccase ( lacc2) Gene from Pleurotus ostreatus Causes Important Effects on the Formation of Toxocyst-like Structures and Fruiting Body. Int J Mol Sci 2023; 24:ijms24098143. [PMID: 37175859 PMCID: PMC10179115 DOI: 10.3390/ijms24098143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/26/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
A wide variety of biological functions, including those involved in the morphogenesis process of basidiomycete fungi, have been attributed to laccase enzymes. In this work, RNA interference (RNAi) was used to evaluate the role of the laccase (lacc2) gene of Pleurotus ostreatus PoB. Previously, transformant strains of P. ostreatus were obtained and according to their level of silencing they were classified as light (T7), medium (T21) or severe (T26 and T27). The attenuation of the lacc2 gene in these transformants was determined by RT-PCR. Silencing of lacc2 resulted in a decrease in laccase activity between 30 and 55%, which depended on the level of laccase expression achieved. The silenced strains (T21, T26, and T27) displayed a delay in the development of mycelium on potato dextrose agar (PDA) medium, whereas in the cultures grown on wheat straw, we found that these strains were incapable of producing aerial mycelium, primordia, and fruiting bodies. Scanning electron microscopy (SEM) showed the presence of toxocyst-like structures. The highest abundance of these structures was observed in the wild-type (PoB) and T7 strains. However, the abundance of toxocysts decreased in the T21 and T26 strains, and in T27 they were not detected. These results suggest that the presence and abundance of toxocyst-like structures are directly related to the development of fruiting bodies. Furthermore, our data confirm that lacc2 is involved in the morphogenesis process of P. ostreatus.
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Affiliation(s)
- Anahí Armas-Tizapantzi
- Doctorado en Ciencias Biológicas, Centro Tlaxcala de Biología de la Conducta, Universidad Autónoma de Tlaxcala, Tlaxcala 90062, Mexico
| | - José Luis Martínez Y Pérez
- Centro de Investigación en Genética y Ambiente, Universidad Autónoma de Tlaxcala, Tlaxcala 90120, Mexico
| | - Francisco José Fernández
- Departamento de Biotecnología, CBS, Universidad Autónoma Metropolitana-Iztapalapa, Ciudad de Mexico 09340, Mexico
| | - Gerardo Mata
- Instituto de Ecología, A.C., Xalapa 91073, Mexico
| | - Laura V Hernández-Cuevas
- Centro de Investigación en Genética y Ambiente, Universidad Autónoma de Tlaxcala, Tlaxcala 90120, Mexico
| | - Elvia Ortiz Ortiz
- Facultad de Odontología, Universidad Autónoma de Tlaxcala, Tlaxcala 90000, Mexico
| | - Edelmira García Nieto
- Centro de Investigación en Genética y Ambiente, Universidad Autónoma de Tlaxcala, Tlaxcala 90120, Mexico
| | - Araceli Tomasini
- Departamento de Biotecnología, CBS, Universidad Autónoma Metropolitana-Iztapalapa, Ciudad de Mexico 09340, Mexico
| | - Edgar Sierra-Palacios
- Colegio de Ciencias y Humanidades, Plantel Casa Libertad, Universidad Autónoma de la Ciudad de México, Ciudad de Mexico 09620, Mexico
| | - Jaime Marcial-Quino
- Centro de Investigación en Genética y Ambiente, Universidad Autónoma de Tlaxcala, Tlaxcala 90120, Mexico
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Zerva A, Siaperas R, Taxeidis G, Kyriakidi M, Vouyiouka S, Zervakis GI, Topakas E. Investigation of Abortiporus biennis lignocellulolytic toolbox, and the role of laccases in polystyrene degradation. CHEMOSPHERE 2023; 312:137338. [PMID: 36423718 DOI: 10.1016/j.chemosphere.2022.137338] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/15/2022] [Accepted: 11/18/2022] [Indexed: 06/16/2023]
Abstract
White-rot basidiomycetes are the only microorganisms able to produce both hydrolytic (cellulases and hemicellulases) and oxidative (ligninolytic) enzymes for degrading all lignocellulose constituents. Their enzymatic machinery makes them ideal for the discovery of novel enzymes with desirable properties. In the present work, Abortiporus biennis, a white-rot fungus, was studied in regard to its lignocellulolytic potential. Secretomics and biochemical analyses were employed to study the strain's enzymatic arsenal, after growth in corn stover cultures and xylose-based defined media. The results revealed the presence of all the necessary enzymatic activities for complete breakdown of biomass, while the prominent role of oxidative enzymes in the lignocellulolytic strategy of the strain became evident. Two novel laccases, AbiLac1 and AbiLac2, were isolated from the culture supernatant with ion-exchange chromatography. Characterization of purified laccases revealed their ability to oxidize a wide variety of phenolic and non-phenolic substrates. AbiLac1 was found to oxidize polystyrene powder, showing high depolymerization potential, based on radical chain scission mechanism as evidenced by molecular weight decrease. The results of the present study demonstrate the biotechnological potential of the unexplored enzymatic machinery of white-rot basidiomycetes, including the design of improved lignocellulolytic cocktails, as well as the degradation and/or valorization of plastic waste materials.
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Affiliation(s)
- Anastasia Zerva
- Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str., Zografou Campus, Athens, 15772, Greece
| | - Romanos Siaperas
- Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str., Zografou Campus, Athens, 15772, Greece
| | - George Taxeidis
- Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str., Zografou Campus, Athens, 15772, Greece
| | - Maria Kyriakidi
- Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str., Zografou Campus, Athens, 15772, Greece
| | - Stamatina Vouyiouka
- Laboratory of Polymer Technology, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str., Zografou Campus, Athens, 15772, Greece
| | - Georgios I Zervakis
- Agricultural University of Athens, Laboratory of General and Agricultural Microbiology, Iera Odos 75, 11855, Athens, Greece
| | - Evangelos Topakas
- Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str., Zografou Campus, Athens, 15772, Greece.
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6
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Microaerobic conditions enhance laccase production from Rheinheimera sp. in an economical medium. Arch Microbiol 2022; 204:562. [PMID: 35980477 DOI: 10.1007/s00203-022-03170-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 05/19/2022] [Accepted: 08/04/2022] [Indexed: 12/06/2022]
Abstract
Statistical optimization of aeration conditions viz. aerobic, microaerobic and anaerobic, was performed using response surface methodology (RSM) utilizing soybean meal as medium to enhance the production of laccase from Rheinheimera sp. Maximum laccase yield (18.48 × 105 U/L) was obtained under microaerobic (static) conditions sustained for 12 h in tandem with 26 h aerobically (150 rpm) grown culture, which was 17.03-fold higher than laccase production in the starting M162 medium under aerobic conditions (150 rpm). The reduction in incubation time from 72 to 38 h and utilization of cost-effective soybean meal as medium, which is easily available from local market, have provided a promising, eco-friendly method of laccase enzyme production. Enhanced expression of laccase gene under microaerobic conditions corresponded to the increased expression of fnr (fumarate nitrate reductase) gene, the oxygen sensing global regulator. The putative FNR-binding site upstream of laccase transcription initiation site was predicted to play an imperative role in Rheinheimera sp. adaptation from aerobic to microaerobic conditions and for enhanced laccase production.
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7
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Optimization of White-Rot Fungi Mycelial Culture Components for Bioremediation of Pharmaceutical-Derived Pollutants. WATER 2022. [DOI: 10.3390/w14091374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
White-rot fungi can degrade a wide spectrum of environmental pollutants, including pharmaceuticals, which are not efficiently removed from wastewater by conventional methods, e.g., the activated sludge method. However, the treatment of wastewater with the use of fungal cultures (mycoremediation) also has significant limitations: among others, the need to use appropriate, often-expensive culture media. We aimed to screen 18 media ingredients, including seven agrifood byproducts for Armillaria mellea, Phanerochaete chrysosporium and Pleurotus ostreatus in submerged cultures to select the low-cost medium optimal for biomass production and laccase activity. We screened nine mathematic models to describe the relation of fungal growth and the amount of the selected byproduct in media. Finally, we tested the ability of the strain with the highest mycelial growth and enzyme-producing ability in the selected medium to degrade eight drug contaminants. Three media variants composed of byproducts provided both efficient growth and laccase production: corn steep liquor + poplar, dried distillers grains with solubles + poplar and corn steep liquor 50%. Among the investigated growth models, the Han–Levenspiel equation described well the specific growth rate in function of the nominal substrate concentration in one-component media. Pleurotus ostreatus, the fungus with the highest ligninolytic enzyme activity, cultured in medium composed of corn steep liquor, removed six of eight drug contaminants with a removal degree of 20–90% in 48 h. The obtained data on the optimal culture media consisting of insoluble components provide initial data for upscaling the process and designing an appropriate type of bioreactor for the process of removing drug contaminants from water.
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8
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Transcriptome Profiling Reveals Differential Gene Expression of Laccase Genes in Aspergillus terreus KC462061 during Biodegradation of Crude Oil. BIOLOGY 2022; 11:biology11040564. [PMID: 35453763 PMCID: PMC9026905 DOI: 10.3390/biology11040564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/30/2022] [Accepted: 04/05/2022] [Indexed: 01/01/2023]
Abstract
Fungal laccases have high catalytic efficiency and are utilized for the removal of crude oil because they oxidize various aliphatic and aromatic hydrocarbons and convert them into harmless compounds or less toxic compounds, thus accelerating the biodegradation potential of crude oil. Laccases are important gene families and the function of laccases genes varied widely based on transcription and function. Biodegradation of crude oil using Aspergillus terreus KC462061 was studied in the current study beside the transcription level of eight laccase (Lcc) genes have participated in biodegradation in the presence of aromatic compounds, and metal ions. Time-course profiles of laccase activity in the presence of crude oil indicated that the five inducers individual or combined have a very positive on laccase activity. In the status of the existence of crude oil, the synergistic effect of Cu-ABTS compound caused an increase in laccase yields up to 22-fold after 10 days than control. The biodegradation efficiencies of A. terreus KC462061 for aliphatic and aromatic hydrocarbons of crude oil were 82.1 ± 0.2% and 77.4 ± 0.6%, respectively. The crude oil biodegradation efficiency was improved by the supplemented Cu-ABTS compound in A. terreus KC462061. Gas chromatography-mass spectrometry was a very accurate tool to demonstrate the biodegradation efficiencies of A. terreus KC462061 for crude oil. Significant differences were observed in the SDS-PAGE of A. terreus KC462061 band intensities of laccase proteins after the addition of five inducers, but the Cu-ABTS compound highly affects very particular laccase electrophoresis. Quantitative real-time polymerase chain reaction (qPCR) was used for the analysis of transcription profile of eight laccase genes in A. terreus KC462061 with a verified reference gene. Cu2+ ions and Cu-ABTS were highly effective for efficient laccase expression profiling, mainly via Lcc11 and 12 transcription induction. The current study will explain the theoretical foundation for laccase transcription in A. terreus KC462061, paving the road for commercialization and usage.
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Merényi Z, Virágh M, Gluck-Thaler E, Slot JC, Kiss B, Varga T, Geösel A, Hegedüs B, Bálint B, Nagy LG. Gene age shapes the transcriptional landscape of sexual morphogenesis in mushroom forming fungi (Agaricomycetes). eLife 2022; 11:71348. [PMID: 35156613 PMCID: PMC8893723 DOI: 10.7554/elife.71348] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 02/11/2022] [Indexed: 11/13/2022] Open
Abstract
Multicellularity has been one of the most important innovations in the history of life. The role of gene regulatory changes in driving transitions to multicellularity is being increasingly recognized; however, factors influencing gene expression patterns are poorly known in many clades. Here, we compared the developmental transcriptomes of complex multicellular fruiting bodies of eight Agaricomycetes and Cryptococcus neoformans, a closely related human pathogen with a simple morphology. In-depth analysis in Pleurotus ostreatus revealed that allele-specific expression, natural antisense transcripts, and developmental gene expression, but not RNA editing or a ‘developmental hourglass,’ act in concert to shape its transcriptome during fruiting body development. We found that transcriptional patterns of genes strongly depend on their evolutionary ages. Young genes showed more developmental and allele-specific expression variation, possibly because of weaker evolutionary constraint, suggestive of nonadaptive expression variance in fruiting bodies. These results prompted us to define a set of conserved genes specifically regulated only during complex morphogenesis by excluding young genes and accounting for deeply conserved ones shared with species showing simple sexual development. Analysis of the resulting gene set revealed evolutionary and functional associations with complex multicellularity, which allowed us to speculate they are involved in complex multicellular morphogenesis of mushroom fruiting bodies.
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Affiliation(s)
- Zsolt Merényi
- Synthetic and Systems Biology Unit, Biological Research Center, Szeged, Hungary
| | - Máté Virágh
- Synthetic and Systems Biology Unit, Biological Research Center, Szeged, Hungary
| | - Emile Gluck-Thaler
- Department of Biology, University of Pennsylvania, Philadelphia, United States
| | - Jason C Slot
- Department of Plant Pathology, Ohio State University, Columbus, United States
| | - Brigitta Kiss
- Synthetic and Systems Biology Unit, Biological Research Center, Szeged, Hungary
| | - Torda Varga
- Synthetic and Systems Biology Unit, Biological Research Center, Szeged, Hungary
| | - András Geösel
- Department of Vegetable and Mushroom Growing, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
| | - Botond Hegedüs
- Synthetic and Systems Biology Unit, Biological Research Center, Szeged, Hungary
| | - Balázs Bálint
- Synthetic and Systems Biology Unit, Biological Research Center, Szeged, Hungary
| | - László G Nagy
- Synthetic and Systems Biology Unit, Biological Research Center, Szeged, Hungary
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Durán-Sequeda D, Suspes D, Maestre E, Alfaro M, Perez G, Ramírez L, Pisabarro AG, Sierra R. Effect of Nutritional Factors and Copper on the Regulation of Laccase Enzyme Production in Pleurotus ostreatus. J Fungi (Basel) 2021; 8:jof8010007. [PMID: 35049947 PMCID: PMC8780821 DOI: 10.3390/jof8010007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 12/07/2021] [Accepted: 12/17/2021] [Indexed: 01/02/2023] Open
Abstract
This research aimed to establish the relationship between carbon–nitrogen nutritional factors and copper sulfate on laccase activity (LA) by Pleurotus ostreatus. Culture media composition was tested to choose the nitrogen source. Yeast extract (YE) was selected as a better nitrogen source than ammonium sulfate. Then, the effect of glucose and YE concentrations on biomass production and LA as response variables was evaluated using central composite experimental designs with and without copper. The results showed that the best culture medium composition was glucose 45 gL−1 and YE 15 gL−1, simultaneously optimizing these two response variables. The fungal transcriptome was obtained in this medium with or without copper, and the differentially expressed genes were found. The main upregulated transcripts included three laccase genes (lacc2, lacc6, and lacc10) regulated by copper, whereas the principal downregulated transcripts included a copper transporter (ctr1) and a regulator of nitrogen metabolism (nmr1). These results suggest that Ctr1, which facilitates the entry of copper into the cell, is regulated by nutrient-sufficiency conditions. Once inside, copper induces transcription of laccase genes. This finding could explain why a 10–20-fold increase in LA occurs with copper compared to cultures without copper when using the optimal concentration of YE as nitrogen sources.
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Affiliation(s)
- Dinary Durán-Sequeda
- Product and Process Design Group, Department of Chemical and Food Engineering, Universidad de los Andes, 111711 Bogotá, Colombia; (D.S.); (E.M.); (R.S.)
- Institute for Multidisciplinary Research in Applied Biology, Public University of Navarre, 31006 Pamplona, Spain; (M.A.); (G.P.); (L.R.)
- Correspondence: (D.D.-S.); (A.G.P.)
| | - Daniela Suspes
- Product and Process Design Group, Department of Chemical and Food Engineering, Universidad de los Andes, 111711 Bogotá, Colombia; (D.S.); (E.M.); (R.S.)
| | - Estibenson Maestre
- Product and Process Design Group, Department of Chemical and Food Engineering, Universidad de los Andes, 111711 Bogotá, Colombia; (D.S.); (E.M.); (R.S.)
| | - Manuel Alfaro
- Institute for Multidisciplinary Research in Applied Biology, Public University of Navarre, 31006 Pamplona, Spain; (M.A.); (G.P.); (L.R.)
| | - Gumer Perez
- Institute for Multidisciplinary Research in Applied Biology, Public University of Navarre, 31006 Pamplona, Spain; (M.A.); (G.P.); (L.R.)
| | - Lucía Ramírez
- Institute for Multidisciplinary Research in Applied Biology, Public University of Navarre, 31006 Pamplona, Spain; (M.A.); (G.P.); (L.R.)
| | - Antonio G. Pisabarro
- Institute for Multidisciplinary Research in Applied Biology, Public University of Navarre, 31006 Pamplona, Spain; (M.A.); (G.P.); (L.R.)
- Correspondence: (D.D.-S.); (A.G.P.)
| | - Rocío Sierra
- Product and Process Design Group, Department of Chemical and Food Engineering, Universidad de los Andes, 111711 Bogotá, Colombia; (D.S.); (E.M.); (R.S.)
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11
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Zhang Q, Yuan C, Wang F, Xu S, Li Y, Shi G, Ding Z. Roles of Small Subunits of Laccase (ssPOXA3a/b) in Laccase Production by Pleurotus eryngii var. ferulae. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:13113-13124. [PMID: 34696587 DOI: 10.1021/acs.jafc.1c04777] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The small subunit, ssPOXA3a/b, and the large subunit, POXA3, are indispensable components of typical heterodimeric laccase (Lacc2) in white rot fungi. However, the enzymatic and biological functions of ssPOXA3a/b remain unclear. The present study revealed that neither ssPOXA3a nor ssPOXA3b per se has a catalytic ability, whereas their combination with POXA3 (and especially ssPOXA3b) enhances the activity, thermostability, and pH stability of POXA3. In Pleurotus eryngii var. ferulae, there was no regulatory relationship between ssPOXA3a/b and POXA3 at the transcriptional level. However, sspoxa3a/b overexpression had a negative feedback effect on lacc6 transcription. By contrast, poxa3 transcripts had no effect on any other laccase isoenzyme. Overexpression of sspoxa3a/b resulted in small fungal pellets, thin mycelial walls, and facilitated laccase secretion. However, poxa3 overexpression had no influence on pellet morphology. Collectively, this work elucidated the functions of ssPOXA3a/b and laid an empirical foundation for the development of high-yield laccase.
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Affiliation(s)
- Qi Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Chang Yuan
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Feng Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Sha Xu
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Youran Li
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Guiyang Shi
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Zhongyang Ding
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, People's Republic of China
- National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi 214122, People's Republic of China
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12
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Mushroom Ligninolytic Enzymes―Features and Application of Potential Enzymes for Conversion of Lignin into Bio-Based Chemicals and Materials. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11136161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Mushroom ligninolytic enzymes are attractive biocatalysts that can degrade lignin through oxido-reduction. Laccase, lignin peroxidase, manganese peroxidase, and versatile peroxidase are the main enzymes that depolymerize highly complex lignin structures containing aromatic or aliphatic moieties and oxidize the subunits of monolignol associated with oxidizing agents. Among these enzymes, mushroom laccases are secreted glycoproteins, belonging to a polyphenol oxidase family, which have a powerful oxidizing capability that catalyzes the modification of lignin using synthetic or natural mediators by radical mechanisms via lignin bond cleavage. The high redox potential laccase within mediators can catalyze the oxidation of a wide range of substrates and the polymerization of lignin derivatives for value-added chemicals and materials. The chemoenzymatic process using mushroom laccases has been applied effectively for lignin utilization and the degradation of recalcitrant chemicals as an eco-friendly technology. Laccase-mediated grafting has also been employed to modify lignin and other polymers to obtain novel functional groups able to conjugate small and macro-biomolecules. In this review, the biochemical features of mushroom ligninolytic enzymes and their potential applications in catalytic reactions involving lignin and its derivatives to obtain value-added chemicals and novel materials in lignin valorization are discussed.
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13
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Zerva A, Pentari C, Termentzi A, America AHP, Zouraris D, Bhattacharya SK, Karantonis A, Zervakis GI, Topakas E. Discovery of two novel laccase-like multicopper oxidases from Pleurotus citrinopileatus and their application in phenolic oligomer synthesis. BIOTECHNOLOGY FOR BIOFUELS 2021; 14:83. [PMID: 33794981 PMCID: PMC8017616 DOI: 10.1186/s13068-021-01937-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 03/20/2021] [Indexed: 05/13/2023]
Abstract
BACKGROUND Laccases and laccase-like multicopper oxidases (LMCOs) oxidize a vast array of phenolic compounds and amines, releasing water as a byproduct. Their low substrate specificity is responsible for their tremendous biotechnological interest, since they have been used for numerous applications. However, the laccases characterized so far correspond to only a small fraction of the laccase genes identified in fungal genomes. Therefore, the knowledge regarding the biochemistry and physiological role of minor laccase-like isoforms is still limited. RESULTS In the present work, we describe the isolation, purification and characterization of two novel LMCOs, PcLac1 and PcLac2, from Pleurotus citrinopileatus. Both LMCOs were purified with ion-exchange chromatographic methods. PcLac2 was found to oxidize a broader substrate range than PcLac1, but both LMCOs showed similar formal potentials, lower than those reported previously for laccases from white-rot fungi. Proteomic analysis of both proteins revealed their similarity with other well-characterized laccases from Pleurotus strains. Both LMCOs were applied to the oxidation of ferulic and sinapic acid, yielding oligomers with possible antioxidant activity. CONCLUSIONS Overall, the findings of the present work can offer new insights regarding the biochemistry and variability of low-redox potential laccases of fungal origin. Low-redox potential biocatalysts could offer higher substrate selectivity than their high-redox counterparts, and thus, they could be of applied value in the field of biocatalysis.
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Affiliation(s)
- A Zerva
- Industrial Biotechnology & Biocatalysis Group, Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str, Zografou Campus, Athens, Greece
| | - C Pentari
- Industrial Biotechnology & Biocatalysis Group, Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str, Zografou Campus, Athens, Greece
| | - A Termentzi
- Department of Ophthalmology/Bascom Palmer Eye Institute, University of Miami, Miami, FL, 33136, USA
| | - A H P America
- Wageningen Plant Research, Wageningen University and Research, Wageningen, The Netherlands
| | - D Zouraris
- Laboratory of Physical Chemistry and Applied Electrochemistry, School of Chemical Engineering, National Technical University of Athens, Zografou, Athens, Greece
| | - S K Bhattacharya
- Department of Ophthalmology/Bascom Palmer Eye Institute, University of Miami, Miami, FL, 33136, USA
| | - A Karantonis
- Laboratory of Physical Chemistry and Applied Electrochemistry, School of Chemical Engineering, National Technical University of Athens, Zografou, Athens, Greece
| | - G I Zervakis
- Laboratory of General and Agricultural Microbiology, Agricultural University of Athens, Athens, Greece
| | - E Topakas
- Industrial Biotechnology & Biocatalysis Group, Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, 5 Iroon Polytechniou Str, Zografou Campus, Athens, Greece.
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14
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Alternative Splicing of Heat Shock Transcription Factor 2 Regulates the Expression of Laccase Gene Family in Response to Copper in Trametes trogii. Appl Environ Microbiol 2021; 87:AEM.00055-21. [PMID: 33579682 PMCID: PMC8091107 DOI: 10.1128/aem.00055-21] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
White-rot fungi, especially Trametes strains, are the primary source of industrial laccases in bioenergy and bioremediation. Trametes strains express members of the laccase gene family with different physicochemical properties and expression patterns. However, the literature on the expression pattern of the laccase gene family in T. trogii S0301 and the response mechanism to Cu2+, a key laccase inducer, in white-rot fungal strains is scarce. In the present study, we found that Cu2+ could induce the mRNAs and proteins of the two alternative splicing variants of heat shock transcription factor 2 (TtHSF2). Furthermore, the overexpression of alternative splicing variants TtHSF2α and TtHSF2β-I in the homokaryotic T. trogii S0301 strain showed opposite effects on the extracellular total laccase activity, with the maximum laccase activity of approximately 0.6 U mL-1 and 3.0 U mL-1, respectively, on the eighth day, which is 0.4 and 2.3 times that of the wild type strain. Similarly, TtHSF2α and TtHSF2β-I play opposite roles in the oxidation tolerance to H2O2 In addition, the direct binding of TtHSF2α to the promoter regions of the representative laccase isoenzymes (TtLac1 and TtLac13) and protein-protein interactions between TtHSF2α and TtHSF2β-I were detected. Our results demonstrate the crucial roles of TtHSF2 and its alternative splicing variants in response to Cu2+ We believe that these findings will deepen our understanding of alternative splicing of HSFs and their regulatory mechanism of the laccase gene family in white-rot fungi.Importance The members of laccase gene family in Trametes strains are the primary source of industrial laccase and have gained widespread attention. Increasing the yield and enzymatic properties of laccase through various methods has always been a topic worthy of attention, and there is no report on the regulation of laccase expression through HSF transcription factor engineering. Here, we found that two alternative splicing variants of TtHSF2 functioned oppositely in regulating the expression of laccase genes, and copper can induce the expression of almost all members of the laccase gene family. Most importantly, our study suggested that TtHSF2 and its alternative splicing variants are vital for copper-induced production of laccases in T. trogii S0301.
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15
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Tapia-Tussell R, Pereira-Patrón A, Alzate-Gaviria L, Lizama-Uc G, Pérez-Brito D, Solis-Pereira S. Decolorization of Textile Effluent by Trametes hirsuta Bm-2 and lac-T as Possible Main Laccase-Contributing Gene. Curr Microbiol 2020; 77:3953-3961. [PMID: 33025181 DOI: 10.1007/s00284-020-02188-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 08/26/2020] [Indexed: 01/27/2023]
Abstract
The decolorization of dye and textile effluent by Trametes hirsuta was studied in both induced and non-induced media. A removal of 70-100% of the color was achieved through adsorption and the action of laccases. Laccase activity was increased significantly with the addition of grapefruit peel (4000 U/mL) and effluent with grapefruit peel (16,000 U/mL) in comparison with the basal medium (50 U/mL). Analysis of the expression of laccase isoenzymes lac-B and lac-T revealed clear differences in the expression of these genes. The low levels of expression of lac-B in all media suggest a basal or constitutive gene expression, whereas lac-T was over-expressed in the media with effluent, and showed an up/down regulation depending on culture conditions and time. The results obtained suggest that the lac-T gene of T. hirsuta is involved in the decolorization of dyes.
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Affiliation(s)
- Raul Tapia-Tussell
- Renewable Energy Unit, Centro de Investigacion Cientifica de Yucatán, Carretera Sierra Papacal-Chuburna Puerto Km 5, 97302, Mérida, Yucatán, Mexico
| | - Alejandrina Pereira-Patrón
- Department of Chemical and Biochemical Engineering, Tecnologico Nacional de Mexico/IT de Merida, Av. Tecnologico Km 4.5 S/N, 97118, Mérida, Yucatán, Mexico
| | - Liliana Alzate-Gaviria
- Renewable Energy Unit, Centro de Investigacion Cientifica de Yucatán, Carretera Sierra Papacal-Chuburna Puerto Km 5, 97302, Mérida, Yucatán, Mexico
| | - Gabriel Lizama-Uc
- Department of Chemical and Biochemical Engineering, Tecnologico Nacional de Mexico/IT de Merida, Av. Tecnologico Km 4.5 S/N, 97118, Mérida, Yucatán, Mexico
| | - Daisy Pérez-Brito
- GeMBio Laboratory, Centro de Investigación Científica de Yucatan, Calle 43 No. 130 x 32 y 34. Col. Chuburna de Hidalgo, 97205, Mérida, Yucatán, Mexico
| | - Sara Solis-Pereira
- Department of Chemical and Biochemical Engineering, Tecnologico Nacional de Mexico/IT de Merida, Av. Tecnologico Km 4.5 S/N, 97118, Mérida, Yucatán, Mexico.
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16
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Durán-Aranguren D, Chiriví-Salomón J, Anaya L, Durán-Sequeda D, Cruz L, Serrano J, Sarmiento L, Restrepo S, Sanjuan T, Sierra R. Effect of bioactive compounds extracted from Cordyceps nidus ANDES-F1080 on laccase activity of Pleurotus ostreatus ANDES-F515. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2020; 26:e00466. [PMID: 32617265 PMCID: PMC7322798 DOI: 10.1016/j.btre.2020.e00466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 04/21/2020] [Accepted: 05/04/2020] [Indexed: 06/11/2023]
Abstract
Laccases are ligninolytic enzymes produced by different microorganisms, especially by fungi such as the white-rot fungus Pleurotus ostreatus. Chemical inductors have been used to promote laccase secretion due to the application of these enzymes in lignocellulosic biomass pretreatment. Cordyceps nidus ANDES-F1080 was previously described as a source of bioactive compounds that could influence the enzymatic production system of other fungi. For that reason, this study evaluates the effect of C. nidus' ANDES-F1080 extracts on the laccase activity of P. ostreatus ANDES-F515. To achieve this objective, C. nidus ANDES-F1080 was grown in four different substrates: two artificial-based and two natural-based culture media. Metabolites were extracted from C. nidus ANDES-F1080 using water and methanol as solvents. Biochemical characterization of these extracts was performed to complement the analysis of their effect on laccase activity. Our results revealed an enhancement on the laccase activity of P. ostreatus ANDES-F515 grown in natural-based cultures when C. nidus' ANDES-F1080 extracts were supplemented. The best laccase activities registered values around 10,575 ± 813 U·L-1.
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Affiliation(s)
- D. Durán-Aranguren
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
| | - J.S. Chiriví-Salomón
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
- Conservación, Bioprospección y Desarrollo Sostenible, Escuela de Ciencias Agrícolas, Pecuarias y del Medio Ambiente, Universidad Nacional Abierta y a Distancia, Bogotá, Colombia
| | - L. Anaya
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
| | - D. Durán-Sequeda
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
| | - L.J. Cruz
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
| | - J.D. Serrano
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
| | - L. Sarmiento
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
| | - S. Restrepo
- Laboratory of Mycology and Plant Diseases, Department of Biological Sciences, Universidad de Los Andes, Bogotá, Colombia
| | - T. Sanjuan
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
| | - R. Sierra
- Product and Processes Design Group, Department of Chemical Engineering, Universidad de Los Andes, Bogotá, Colombia
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17
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Junior JA, Vieira YA, Cruz IA, da Silva Vilar D, Aguiar MM, Torres NH, Bharagava RN, Lima ÁS, de Souza RL, Romanholo Ferreira LF. Sequential degradation of raw vinasse by a laccase enzyme producing fungus Pleurotus sajor-caju and its ATPS purification. ACTA ACUST UNITED AC 2020; 25:e00411. [PMID: 32211306 PMCID: PMC7083758 DOI: 10.1016/j.btre.2019.e00411] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/23/2019] [Accepted: 12/10/2019] [Indexed: 12/01/2022]
Abstract
Vinasse degradation and laccase production by Pleurotus sajor-caju were performed; Laccase activity induction by copper sulfate and ethanol in raw vinasse as substrate was confirmed; Fermentation time to maximum laccase activity was reduced to just 3 days when cooper sulfate was used as inducer; The use of laccase inducers does not interfere with decolorization and turbidity removal; Aqueous two-phase systems reached 2.88-fold in laccase purification, with recovery of ∼ 99.9% to upper phase (PEG-rich phase).
This study evaluated simultaneously the raw vinasse degradation, an effluent from the sugar-alcohol industry, the laccase production by Pleurotus sajor-caju and its purification using aqueous two-phase systems (ATPS). To improve laccase production, different concentrations of inducers (ethanol and CuSO4) were added. The higher laccase production promoted an increase of 4-fold using 0.4 mM of CuSO4 as inducer, with maximum enzymatic activity of 539.3 U/L on the 3rd day of fermentation. The final treated vinasse had a decolorization of 92% and turbidity removal of 99% using CuSO4. Moreover, the produced laccase was then purified by ATPS in a single purification step, reaching 2.9-fold and recovered ≈ 99,9 %, in the top phase (PEG-rich phase) using 12 wt% of PEG 1500 + 20 wt% of citrate buffer + enzyme broth + water, at 25 °C. Thus, an integrated process of vinasse degradation, laccase production and purification with potential industrial application was proposed.
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Affiliation(s)
- Joberson Alves Junior
- Graduate Program in Process Engineering, Tiradentes University, Av. Murilo Dantas 300, Farolândia, 49032-490, Aracaju, SE, Brazil
| | - Yago Araujo Vieira
- Graduate Program in Process Engineering, Tiradentes University, Av. Murilo Dantas 300, Farolândia, 49032-490, Aracaju, SE, Brazil
| | - Ianny Andrade Cruz
- Graduate Program in Process Engineering, Tiradentes University, Av. Murilo Dantas 300, Farolândia, 49032-490, Aracaju, SE, Brazil
| | - Débora da Silva Vilar
- Graduate Program in Process Engineering, Tiradentes University, Av. Murilo Dantas 300, Farolândia, 49032-490, Aracaju, SE, Brazil
| | - Mario M Aguiar
- Division of Molecular Biology - Biocenter, Innsbruck Medical University, A-6020, Innsbruck, Austria
| | - Nádia Hortense Torres
- Institute of Technology and Research, Av. Murilo Dantas 300 - Prédio do ITP, Farolândia, 49032-490, Aracaju, SE, Brazil
| | - Ram Naresh Bharagava
- Laboratory for Bioremediation and Metagenomics Research (LBMR), Department of Microbiology (DM), Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, 226 025, Uttar Pradesh, India
| | - Álvaro Silva Lima
- Graduate Program in Process Engineering, Tiradentes University, Av. Murilo Dantas 300, Farolândia, 49032-490, Aracaju, SE, Brazil.,Institute of Technology and Research, Av. Murilo Dantas 300 - Prédio do ITP, Farolândia, 49032-490, Aracaju, SE, Brazil
| | - Ranyere Lucena de Souza
- Graduate Program in Process Engineering, Tiradentes University, Av. Murilo Dantas 300, Farolândia, 49032-490, Aracaju, SE, Brazil.,Institute of Technology and Research, Av. Murilo Dantas 300 - Prédio do ITP, Farolândia, 49032-490, Aracaju, SE, Brazil
| | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University, Av. Murilo Dantas 300, Farolândia, 49032-490, Aracaju, SE, Brazil.,Institute of Technology and Research, Av. Murilo Dantas 300 - Prédio do ITP, Farolândia, 49032-490, Aracaju, SE, Brazil
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18
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Battisti M, Vecchione R, Casale C, Pennacchio FA, Lettera V, Jamaledin R, Profeta M, Di Natale C, Imparato G, Urciuolo F, Netti PA. Non-invasive Production of Multi-Compartmental Biodegradable Polymer Microneedles for Controlled Intradermal Drug Release of Labile Molecules. Front Bioeng Biotechnol 2019; 7:296. [PMID: 31781550 PMCID: PMC6856554 DOI: 10.3389/fbioe.2019.00296] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 10/14/2019] [Indexed: 12/31/2022] Open
Abstract
Transdermal drug delivery represents an appealing alternative to conventional drug administration systems. In fact, due to their high patient compliance, the development of dissolvable and biodegradable polymer microneedles has recently attracted great attention. Although stamp-based procedures guarantee high tip resolution and reproducibility, they have long processing times, low levels of system engineering, are a source of possible contaminants, and thermo-sensitive drugs cannot be used in conjunction with them. In this work, a novel stamp-based microneedle fabrication method is proposed. It provides a rapid room-temperature production of multi-compartmental biodegradable polymeric microneedles for controlled intradermal drug release. Solvent casting was carried out for only a few minutes and produced a short dissolvable tip made of polyvinylpyrrolidone (PVP). The rest of the stamp was then filled with degradable poly(lactide-co-glycolide) (PLGA) microparticles (μPs) quickly compacted with a vapor-assisted plasticization. The outcome was an array of microneedles with tunable release. The ability of the resulting microneedles to indent was assessed using pig cadaver skin. Controlled intradermal delivery was demonstrated by loading both the tip and the body of the microneedles with model therapeutics; POXA1b laccase from Pleurotus ostreatus is a commercial enzyme used for the whitening of skin spots. The action and indentation of the enzyme-loaded microneedle action were assessed in an in vitro skin model and this highlighted their ability to control the kinetic release of the encapsulated compound.
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Affiliation(s)
- Mario Battisti
- Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Naples, Italy
| | - Raffaele Vecchione
- Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Naples, Italy
| | - Costantino Casale
- Interdisciplinary Research Centre on Biomaterials (CRIB), University of Naples Federico II, Naples, Italy
| | - Fabrizio A. Pennacchio
- Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Naples, Italy
| | | | - Rezvan Jamaledin
- Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Naples, Italy
| | - Martina Profeta
- Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Naples, Italy
| | - Concetta Di Natale
- Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Naples, Italy
| | - Giorgia Imparato
- Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Naples, Italy
| | - Francesco Urciuolo
- Interdisciplinary Research Centre on Biomaterials (CRIB), University of Naples Federico II, Naples, Italy
- Department of Chemical Materials and Industrial Production (DICMAPI), University of Naples Federico II, Naples, Italy
| | - Paolo Antonio Netti
- Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Naples, Italy
- Interdisciplinary Research Centre on Biomaterials (CRIB), University of Naples Federico II, Naples, Italy
- Department of Chemical Materials and Industrial Production (DICMAPI), University of Naples Federico II, Naples, Italy
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19
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Qin P, Wu Y, Adil B, Wang J, Gu Y, Yu X, Zhao K, Zhang X, Ma M, Chen Q, Chen X, Zhang Z, Xiang Q. Optimization of Laccase from Ganoderma lucidum Decolorizing Remazol Brilliant Blue R and Glac1 as Main Laccase-Contributing Gene. Molecules 2019; 24:molecules24213914. [PMID: 31671660 PMCID: PMC6864837 DOI: 10.3390/molecules24213914] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/21/2019] [Accepted: 10/29/2019] [Indexed: 11/25/2022] Open
Abstract
Many dyes and pigments are used in textile and printing industries, and their wastewater has been classed as a top source of pollution. Biodegradation of dyes by fungal laccase has great potential. In this work, the influence of reaction time, pH, temperature, dye concentration, metal ions, and mediators on laccase-catalyzed Remazol Brilliant Blue R dye (RBBR) decolorization were investigated in vitro using crude laccase from the white-rot fungus Ganoderma lucidum. The optimal decolorization percentage (50.3%) was achieved at 35 °C, pH 4.0, and 200 ppm RBBR in 30 min. The mediator effects from syringaldehyde, 1-hydroxybenzotriazole, and vanillin were compared, and 0.1 mM vanillin was found to obviously increase the decolorization percentage of RBBR to 98.7%. Laccase-mediated decolorization percentages significantly increased in the presence of 5 mM Na+ and Cu2+, and decolorization percentages reached 62.4% and 62.2%, respectively. Real-time fluorescence-quantitative PCR (RT-PCR) and protein mass spectrometry results showed that among the 15 laccase isoenzyme genes, Glac1 was the main laccase-contributing gene, contributing the most to the laccase enzyme activity and decolorization process. These results also indicate that under optimal conditions, G. lucidum laccases, especially Glac1, have a strong potential to remove RBBR from reactive dye effluent.
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Affiliation(s)
- Peng Qin
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Yuetong Wu
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Bilal Adil
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Jie Wang
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Yunfu Gu
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Xiumei Yu
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Ke Zhao
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Xiaoping Zhang
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Menggen Ma
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Qiang Chen
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
| | - Xiaoqiong Chen
- Rice Research Institute of Sichuan Agricultural University, Chengdu 611130, China.
| | - Zongjin Zhang
- Panzhihua Company of Sichuan Provincial Tobacco Corporation, Panzhihua 617026, China.
| | - Quanju Xiang
- College of Resource, Sichuan Agricultural University, Chengdu 611130, China.
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20
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Değerli E, Yangın S, Cansaran-Duman D. Determination of the effect of RBBR on laccase activity and gene expression level of fungi in lichen structure. 3 Biotech 2019; 9:297. [PMID: 31328079 DOI: 10.1007/s13205-019-1832-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 05/08/2019] [Indexed: 01/31/2023] Open
Abstract
This study provides information about the differential transcription regulation of laccase genes in response to RBBR dye. To this purpose, we determined the laccase gene expression, laccase activity, and protein profile of lichen-forming fungi supported to RBBR dye. For those obtained from optimal laccase genes expression profiles, we modified different RNA extraction protocols to obtain high quality and quantity RNA to be used in downstream applications in lichen-forming fungus. We also determined the expression of ten laccase genes in response to RBBR dye by qRT-PCR and validated protein profile. As a result of our study, a high laccase activity of 522 U mL-1 was obtained after submerged fermentation for 17 days. The maximal laccase activity to RBBR dye was obtained at 408 h. The expression profiles of laccase gene expression on ten laccase genes showed up- or down-regulation in course of eight fermentation times. The most up-regulated gene during the process was lac8. However, poxa1b gene expression was lowest in lichen-forming fungi biomass supplemented with RBBR dye. This study has revealed the influence of RBBR dye on laccase activity levels and the determination of gene expression levels in lichen-forming fungi.
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Affiliation(s)
- Elif Değerli
- System Biotechnology Advance Research Unit, Biotechnology Institute, Ankara University, Tandogan, Ankara, Turkey
| | - Sevcan Yangın
- System Biotechnology Advance Research Unit, Biotechnology Institute, Ankara University, Tandogan, Ankara, Turkey
| | - Demet Cansaran-Duman
- System Biotechnology Advance Research Unit, Biotechnology Institute, Ankara University, Tandogan, Ankara, Turkey
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Reina R, Kellner H, Hess J, Jehmlich N, García-Romera I, Aranda E, Hofrichter M, Liers C. Genome and secretome of Chondrostereum purpureum correspond to saprotrophic and phytopathogenic life styles. PLoS One 2019; 14:e0212769. [PMID: 30822315 PMCID: PMC6396904 DOI: 10.1371/journal.pone.0212769] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 02/09/2019] [Indexed: 11/28/2022] Open
Abstract
The basidiomycete Chondrostereum purpureum (Silverleaf fungus) is a saprotroph and plant pathogen commercially used for combatting forest "weed" trees in vegetation management. However, little is known about its lignocellulose-degrading capabilities and the enzymatic machinery that is responsible for the degradative potential, and it is not yet clear to which group of wood-rot fungi it actually belongs. Here, we sequenced and analyzed the draft genome of C. purpureum (41.2 Mbp) and performed a quantitative proteomic approach during growth in submerged and solid-state cultures based on soybean meal suspension or containing beech wood supplemented with phenol-rich olive mill residues, respectively. The fungus harbors characteristic lignocellulolytic hydrolases (GH6 and GH7) and oxidoreductases (e.g. laccase, heme peroxidases). High abundance of some of these genes (e.g. 45 laccases, nine GH7) can be explained by gene expansion, e.g. identified for the laccase orthogroup ORTHOMCL11 that exhibits a total of 18 lineage-specific duplications. Other expanded genes families encode for proteins more related to a pathogenic lifestyle (e.g. protease and cytochrome P450s). The fungus responds to the presence of complex growth substrates (lignocellulose, phenolic residues) by the secretion of most of these lignocellulolytic and lignin-modifying enzymes (e.g. alcohol and aryl alcohol oxidases, laccases, GH6, GH7). Based on the genetic and enzymatic constitution, we consider the 'marasmioid' fungus C. purpureum as a 'phytopathogenic' white-rot fungus (WRF) that possesses a complex extracellular enzyme machinery to accomplish efficient lignocellulose degradation during both saprotrophic and phytopathogenic life phases.
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Affiliation(s)
- Rocio Reina
- Department of Soil Microbiology and Symbiotic Systems, Consejo Superior de Investigaciones Científicas, Estación Experimental del Zaidín, Granada, Spain
| | - Harald Kellner
- Unit of Environmental Biotechnology, Dresden University of Technology, International Institute Zittau, Zittau, Germany
| | - Jaqueline Hess
- Department of Botany and Biodiversity Research, University of Vienna, Vienna, Austria
| | - Nico Jehmlich
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research, Leipzig, Germany
| | - Immaculada García-Romera
- Department of Soil Microbiology and Symbiotic Systems, Consejo Superior de Investigaciones Científicas, Estación Experimental del Zaidín, Granada, Spain
| | - Elisabet Aranda
- Department of Soil Microbiology and Symbiotic Systems, Consejo Superior de Investigaciones Científicas, Estación Experimental del Zaidín, Granada, Spain
| | - Martin Hofrichter
- Unit of Environmental Biotechnology, Dresden University of Technology, International Institute Zittau, Zittau, Germany
| | - Christiane Liers
- Unit of Environmental Biotechnology, Dresden University of Technology, International Institute Zittau, Zittau, Germany
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22
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Giacobbe S, Piscitelli A, Raganati F, Lettera V, Sannia G, Marzocchella A, Pezzella C. Butanol production from laccase-pretreated brewer's spent grain. BIOTECHNOLOGY FOR BIOFUELS 2019; 12:47. [PMID: 30867680 PMCID: PMC6399911 DOI: 10.1186/s13068-019-1383-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 02/20/2019] [Indexed: 05/15/2023]
Abstract
BACKGROUND Beer is the most popular alcoholic beverage worldwide. In the manufacture of beer, various by-products and residues are generated, and the most abundant (85% of total by-products) are spent grains. Thanks to its high (hemi)cellulose content (about 50% w/w dry weight), this secondary raw material is attractive for the production of second-generation biofuels as butanol through fermentation processes. RESULTS This study reports the ability of two laccase preparations from Pleurotus ostreatus to delignify and detoxify milled brewer's spent grains (BSG). Up to 94% of phenols reduction was achieved. Moreover, thanks to the mild conditions of enzymatic pretreatment, the formation of other inhibitory compounds was avoided allowing to apply the sequential enzymatic pretreatment and hydrolysis process (no filtration and washing steps between the two phases). As expected, the high detoxification and delignification yields achieved by laccase pretreatment resulted in great saccharification. As a fact, no loss of carbohydrates was observed thanks to the novel sequential strategy, and thus the totality of polysaccharides was hydrolysed into fermentable sugars. The enzymatic hydrolysate was fermented to acetone-butanol-ethanol (ABE) by Clostridium acetobutilycum obtaining about 12.6 g/L ABE and 7.83 g/L butanol within 190 h. CONCLUSIONS The applied sequential pretreatment and hydrolysis process resulted to be very effective for the milled BSG, allowing reduction of inhibitory compounds and lignin content with a consequent efficient saccharification. C. acetobutilycum was able to ferment the BSG hydrolysate with ABE yields similar to those obtained by using synthetic media. The proposed strategy reduces the amount of wastewater and the cost of the overall process. Based on the reported results, the potential production of butanol from the fermentation of BSG hydrolysate can be envisaged.
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Affiliation(s)
| | - Alessandra Piscitelli
- Biopox srl, Via Salita Arenella 9, Naples, Italy
- Dipartimento di Scienze chimiche, Università degli Studi di Napoli“Federico II”, Via Cintia 4, 80126 Naples, Italy
| | - Francesca Raganati
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università degli Studi di Napoli “Federico II”, P.le V. Tecchio 80, 80125 Naples, Italy
| | | | - Giovanni Sannia
- Biopox srl, Via Salita Arenella 9, Naples, Italy
- Dipartimento di Scienze chimiche, Università degli Studi di Napoli“Federico II”, Via Cintia 4, 80126 Naples, Italy
| | - Antonio Marzocchella
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università degli Studi di Napoli “Federico II”, P.le V. Tecchio 80, 80125 Naples, Italy
| | - Cinzia Pezzella
- Biopox srl, Via Salita Arenella 9, Naples, Italy
- Dipartimento di Scienze chimiche, Università degli Studi di Napoli“Federico II”, Via Cintia 4, 80126 Naples, Italy
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23
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Modulation of laccase transcriptome during biodegradation of naphthalene by white rot fungus Pleurotus ostreatus. Int Microbiol 2018; 22:217-225. [DOI: 10.1007/s10123-018-00041-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Revised: 10/05/2018] [Accepted: 10/29/2018] [Indexed: 11/25/2022]
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24
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Enzymatic gene expression by Pleurotus tuoliensis (Bailinggu): differential regulation under low temperature induction conditions. World J Microbiol Biotechnol 2018; 34:160. [PMID: 30341455 DOI: 10.1007/s11274-018-2487-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 06/18/2018] [Indexed: 10/28/2022]
Abstract
Pleurotus tuoliensis is a valuable, rare and edible mushroom that is been commercially cultivated and is rapidly developing in China markets. Low temperatures are required to induces primordia initiation for the successful production of fruiting bodies (basidiomes) during commercial cultivation. In this work, we investigated the enzymatic activities and performed transcription profiling analysis of enzymatic genes under different low temperature conditions. The results suggest that the enzymatic activities and transcription levels decrease or increase significantly at 4 and 13 °C. Lacc10 and mnp6 seems to play a dominant role during nutrition growth. Furthermore, the expression of laccase and peroxidase genes was highly correlated to the detected extracellular enzymatic activity. Cold stress genes expression profiles were upregulated under 4 °C/13 °C (3 days), while only the Hsp70 gene was downregulated (at the stage of fruiting bodies production) at 13 °C (12 days). Our results showed that the transcriptional regulation of laccase and ligninolytic peroxidase genes plays an important role in the fruiting bodies of Bailinggu under low temperature induction (4 °C). Induction at low temperatures was a highly important cultivation condition in Bailinggu.
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25
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Sorrentino I, Gentil S, Nedellec Y, Cosnier S, Piscitelli A, Giardina P, Le Goff A. POXC Laccase from
Pleurotus ostreatus
: A High‐Performance Multicopper Enzyme for Direct Oxygen Reduction Reaction Operating in a Proton‐Exchange Membrane Fuel Cell. ChemElectroChem 2018. [DOI: 10.1002/celc.201801264] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Solène Gentil
- Univ. Grenoble AlpesCNRS, DCM 38000 Grenoble
- Univ. Grenoble AlpesCEA, CNRS, BIG-LCBM 38000 Grenoble France
| | | | | | | | - Paola Giardina
- Department of Chemical SciencesUniversity Federico II Naples Italy
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26
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Wang KF, Guo C, Ju F, Samak NA, Zhuang GQ, Liu CZ. Farnesol-induced hyperbranched morphology with short hyphae and bulbous tips of Coriolus versicolor. Sci Rep 2018; 8:15213. [PMID: 30315269 PMCID: PMC6185903 DOI: 10.1038/s41598-018-33435-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 06/13/2018] [Indexed: 12/02/2022] Open
Abstract
As the first fungal quorum sensing molecule, farnesol-induced morphological transition is usually studied in dimorphic fungi, but in basidiomycetes the morphological changes regulated by farnesol are rarely investigated. In this study, we found that farnesol made the basidiomycete Coriolus versicolor develop into a hyperbranched morphology with short hyphae and bulbous tips. Farnesol treatment resulted in a significant increase of intracellular oxidative stress level, which influenced the expression of several morphogenesis-related genes, and thereby led to the morphological changes. High oxidative stress level significantly stimulated the expression of laccase genes for improving intracellular laccase biosynthesis. The resulted hyperbranched morphology further accelerated the secretion of intracellular laccase into culture medium. As a result, extracellular laccase production reached a maximum of 2189.2 ± 54.7 U/L in farnesol-induced cultures, which was 6.8-fold greater than that of control cultures. SDS-PAGE and native-PAGE showed that farnesol increased laccase production by promoting the biosynthesis of three laccase isoforms. Together these results provide new opportunities in not only understanding the farnesol-regulated mycelial morphology in basidiomycetes, but also developing novel strategies for enhancing the production of secreted enzymes of biotechnological interest.
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Affiliation(s)
- Ke-Feng Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P.R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Chen Guo
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P.R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Fang Ju
- Department of Oncology, Qingdao Central Hospital, Qingdao, 266042, P.R. China.
| | - Nadia A Samak
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P.R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Guo-Qiang Zhuang
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, P.R. China
| | - Chun-Zhao Liu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P.R. China. .,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China. .,Institute of Biochemical Engineering, Collaborative Innovation Center for Marine Biomass Fibers, Materials and Textiles of Shandong Province, School of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P.R. China.
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27
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Giacobbe S, Pezzella C, Lettera V, Sannia G, Piscitelli A. Laccase pretreatment for agrofood wastes valorization. BIORESOURCE TECHNOLOGY 2018; 265:59-65. [PMID: 29883847 DOI: 10.1016/j.biortech.2018.05.108] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/29/2018] [Accepted: 05/30/2018] [Indexed: 05/27/2023]
Abstract
Apple pomace, potato peels, and coffee silverskin are attractive agrofood wastes for the production of biofuels and chemicals, due to their abundance and carbohydrate content. As lignocellulosic biomasses, their conversion is challenged by the presence of lignin that prevents hydrolysis of polysaccharides, hence demanding a pretreatment step. In this work, the effectiveness of Pleurotus ostreatus laccases (with and without mediator) to remove lignin, improving the subsequent saccharification, was assessed. Optimized conditions for sequential protocol were set up for all agrofood wastes reaching delignification and detoxification yields correlated with high saccharification. Especially noteworthy were results for apple pomace and coffee silverskin for which 83% of and 73% saccharification yields were observed, by using laccase and laccase mediator system, respectively. The herein developed sequential protocol, saving soluble sugars and reducing the amount of wastewater, can improve the overall process for obtaining chemicals or fuels from agrofood wastes.
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Affiliation(s)
| | - Cinzia Pezzella
- Biopox srl, Via Salita Arenella 9, Naples, Italy; Dipartimento di Scienze Chimiche, Università di Napoli "Federico II", Via Cintia 4, 80126 Naples, Italy
| | | | - Giovanni Sannia
- Biopox srl, Via Salita Arenella 9, Naples, Italy; Dipartimento di Scienze Chimiche, Università di Napoli "Federico II", Via Cintia 4, 80126 Naples, Italy
| | - Alessandra Piscitelli
- Biopox srl, Via Salita Arenella 9, Naples, Italy; Dipartimento di Scienze Chimiche, Università di Napoli "Federico II", Via Cintia 4, 80126 Naples, Italy.
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28
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Almeida PH, Oliveira ACCDE, Souza GPNDE, Friedrich JC, Linde GA, Colauto NB, Valle JSDO. Decolorization of remazol brilliant blue R with laccase from Lentinus crinitus grown in agro-industrial by-products. AN ACAD BRAS CIENC 2018; 90:3463-3473. [PMID: 29947669 DOI: 10.1590/0001-3765201820170458] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 03/05/2018] [Indexed: 11/22/2022] Open
Abstract
Lentinus crinitus is a white-rot fungus that produces laccase, an enzyme used for dye decolorization. Enzyme production depends on cultivation conditions, mainly agro-industrial by-products. We aimed to produce laccase from Lentinus crinitus with agro-industrial by-products for dye decolorization. Culture medium had coffee husk (CH) or citric pulp pellet (CP) and different nitrogen sources (urea, yeast extract, ammonium sulfate and sodium nitrate) at concentrations of 0, 0.7, 1.4, 2.8, 5.6 and 11.2 g/L. Enzymatic extract was used in the decolorization of remazol brilliant blue R. CH medium promoted greater laccase production than CP in all evaluated conditions. Urea provided the greatest laccase production for CH (37280 U/L) as well as for CP (34107 U/L). In CH medium, laccase activity was suppressed when carbon-to-nitrogen ratio changed from 4.5 to 1.56, but the other nitrogen concentrations did not affect laccase activity. For CP medium, reduction in carbon-to-nitrogen ratio from 6 to 1.76 increased laccase activity in 17%. The peak of laccase activity in CH medium occurred on the 11th day (41246 U/L) and in CP medium on the 12th day (32660 U/L). The maximum decolorization within 24 h was observed with CP enzymatic extract (74%) and with CH extract (76%).
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Affiliation(s)
- Patrícia H Almeida
- Programa de Pós-Graduação em Biotecnologia Aplicada à Agricultura, Universidade Paranaense, Praça Mascarenhas de Moraes, 4282, 87502-210 Umuarama, PR, Brazil
| | - Ana Carolina C DE Oliveira
- Programa de Pós-Graduação em Biotecnologia Aplicada à Agricultura, Universidade Paranaense, Praça Mascarenhas de Moraes, 4282, 87502-210 Umuarama, PR, Brazil
| | - Genyfer P N DE Souza
- Programa de Pós-Graduação em Biotecnologia Aplicada à Agricultura, Universidade Paranaense, Praça Mascarenhas de Moraes, 4282, 87502-210 Umuarama, PR, Brazil
| | - Juliana C Friedrich
- Programa de Pós-Graduação em Biotecnologia Aplicada à Agricultura, Universidade Paranaense, Praça Mascarenhas de Moraes, 4282, 87502-210 Umuarama, PR, Brazil
| | - Giani A Linde
- Programa de Pós-Graduação em Biotecnologia Aplicada à Agricultura, Universidade Paranaense, Praça Mascarenhas de Moraes, 4282, 87502-210 Umuarama, PR, Brazil
| | - Nelson B Colauto
- Programa de Pós-Graduação em Biotecnologia Aplicada à Agricultura, Universidade Paranaense, Praça Mascarenhas de Moraes, 4282, 87502-210 Umuarama, PR, Brazil
| | - Juliana S DO Valle
- Programa de Pós-Graduação em Biotecnologia Aplicada à Agricultura, Universidade Paranaense, Praça Mascarenhas de Moraes, 4282, 87502-210 Umuarama, PR, Brazil
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29
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Rational design for fungal laccase production in the model host Aspergillus nidulans. SCIENCE CHINA-LIFE SCIENCES 2018; 62:84-94. [DOI: 10.1007/s11427-017-9304-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 03/12/2018] [Indexed: 12/20/2022]
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30
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Systematic Analysis of the Pleurotus ostreatus Laccase Gene (PoLac) Family and Functional Characterization of PoLac2 Involved in the Degradation of Cotton-Straw Lignin. Molecules 2018; 23:molecules23040880. [PMID: 29641470 PMCID: PMC6017272 DOI: 10.3390/molecules23040880] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 04/06/2018] [Accepted: 04/07/2018] [Indexed: 11/17/2022] Open
Abstract
Fungal laccases play important roles in the degradation of lignocellulose. Although some PoLacs have been reported in several studies, still no comprehensive bioinformatics study of the LAC family in Pleurotus ostreatus has been reported. In this study, we identified 12 laccase genes in the whole genome sequence of P. ostreatus and their physical characteristics, gene distribution, phylogenic relationships, gene structure, conserved motifs, and cis-elements were also analyzed. The expression patterns of 12 PoLac genes at different developmental stages and under different culture substrates were also analyzed. The results revealed that PoLac2 and PoLac12 may be involved in the degradation of lignin and the formation of the fruiting body, respectively. Subsequently, we overexpressed PoLac2 in P. ostreatus by the Agrobacterium tumefaciens-mediated transformation (ATMT) method. The transformants' laccase activity increased in varying degrees, and the gene expression level of PoLac2 in transformants was 2-8 times higher than that of the wild-type strain. Furthermore, the lignin degradation rate by transgenic fungus over 30 days was 2.36-6.3% higher than that of wild-type. Our data show that overexpression of PoLac2 significantly enhanced the lignin degradation of cotton-straw. To our knowledge, this study is the first report to demonstrate the functions of PoLac2 in P. ostreatus.
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31
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Pozdnyakova N, Dubrovskaya E, Chernyshova M, Makarov O, Golubev S, Balandina S, Turkovskaya O. The degradation of three-ringed polycyclic aromatic hydrocarbons by wood-inhabiting fungus Pleurotus ostreatus and soil-inhabiting fungus Agaricus bisporus. Fungal Biol 2018; 122:363-372. [PMID: 29665962 DOI: 10.1016/j.funbio.2018.02.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 12/17/2017] [Accepted: 02/26/2018] [Indexed: 11/26/2022]
Abstract
The degradation of two isomeric three-ringed polycyclic aromatic hydrocarbons by the white rot fungus Pleurotus ostreatus D1 and the litter-decomposing fungus Agaricus bisporus F-8 was studied. Despite some differences, the degradation of phenanthrene and anthracene followed the same scheme, forming quinone metabolites at the first stage. The further fate of these metabolites was determined by the composition of the ligninolytic enzyme complexes of the fungi. The quinone metabolites of phenanthrene and anthracene produced in the presence of only laccase were observed to accumulate, whereas those formed in presence of laccase and versatile peroxidase were metabolized further to form products that were further included in basal metabolism (e.g. phthalic acid). Laccase can catalyze the initial attack on the PAH molecule, which leads to the formation of quinones, and that peroxidase ensures their further oxidation, which eventually leads to PAH mineralization. A. bisporus, which produced only laccase, metabolized phenanthrene and anthracene to give the corresponding quinones as the dominant metabolites. No products of further utilization of these compounds were detected. Thus, the fungi's affiliation with different ecophysiological groups and their cultivation conditions affect the composition and dynamics of production of the ligninolytic enzyme complex and the completeness of PAH utilization.
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Affiliation(s)
- Natalia Pozdnyakova
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Prosp. Entuziastov 13, 410049, Saratov, Russia.
| | - Ekaterina Dubrovskaya
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Prosp. Entuziastov 13, 410049, Saratov, Russia.
| | - Marina Chernyshova
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Prosp. Entuziastov 13, 410049, Saratov, Russia.
| | - Oleg Makarov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Prosp. Entuziastov 13, 410049, Saratov, Russia.
| | - Sergey Golubev
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Prosp. Entuziastov 13, 410049, Saratov, Russia.
| | - Svetlana Balandina
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Prosp. Entuziastov 13, 410049, Saratov, Russia.
| | - Olga Turkovskaya
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Prosp. Entuziastov 13, 410049, Saratov, Russia.
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32
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Vats A, Mishra S. Identification and evaluation of bioremediation potential of laccase isoforms produced by Cyathus bulleri on wheat bran. JOURNAL OF HAZARDOUS MATERIALS 2018; 344:466-479. [PMID: 29096258 DOI: 10.1016/j.jhazmat.2017.10.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 10/17/2017] [Accepted: 10/21/2017] [Indexed: 06/07/2023]
Abstract
Multiplicity in laccases among lignin degrading fungal species is of interest as it confers the ability to degrade several types of lignocellulosics. The combination of laccases produced on such substrates could be beneficial for treatment of complex aromatics, including dyes. In this study, we report on production of high units (679.6Ug-1 substrate) of laccase on solid wheat bran (WB) by Cyathus bulleri. Laccase, purified from the culture filtrates of WB grown fungus, was effective for oxidation of veratryl alcohol, Reactive blue 21 and textile effluent without assistance of externally added mediators. De novo sequencing of the 'purified' laccase lead to identification of several peptides that originated from different laccase genes. Transcriptome analysis of the fungus, cultivated on WB, confirmed presence of 8 isozymes, that were re-amplified and sequenced from the cDNA prepared from WB grown fungus. The 8 isozymes were grouped into 3 classes, based on their sequence relationship with other basidiomycete laccases. The isoforms produced on WB decolorized (by ∼57%) and degraded textile effluent far more effectively, compared to laccase obtained from Basal salt cultivated fungus. The decolorization and degradation was also accompanied by more than 95% reduction in phytotoxicity.
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Affiliation(s)
- Arpita Vats
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz-Khas, New Delhi 110016, India
| | - Saroj Mishra
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz-Khas, New Delhi 110016, India.
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33
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Stein HP, Navajas-Pérez R, Aranda E. Potential for CRISPR Genetic Engineering to Increase Xenobiotic Degradation Capacities in Model Fungi. APPROACHES IN BIOREMEDIATION 2018. [DOI: 10.1007/978-3-030-02369-0_4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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34
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The identification of transcriptional regulation related gene of laccase poxc through yeast one-hybrid screening from Pleurotus ostreatus. Fungal Biol 2017; 121:905-910. [DOI: 10.1016/j.funbio.2017.06.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 06/07/2017] [Accepted: 06/19/2017] [Indexed: 11/19/2022]
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35
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Piscitelli A, Tarallo V, Guarino L, Sannia G, Birolo L, Pezzella C. New lipases by mining of Pleurotus ostreatus genome. PLoS One 2017; 12:e0185377. [PMID: 28945798 PMCID: PMC5612753 DOI: 10.1371/journal.pone.0185377] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 09/12/2017] [Indexed: 11/19/2022] Open
Abstract
The analysis of Pleurotus ostreatus genome reveals the presence of automatically annotated 53 lipase and 34 carboxylesterase putative coding-genes. Since no biochemical or physiological data are available so far, a functional approach was applied to identify lipases from P. ostreatus. In the tested growth conditions, four lipases were found expressed, with different patterns depending on the used C source. Two of the four identified proteins (PleoLip241 and PleoLip369), expressed in both analysed conditions, were chosen for further studies, such as an in silico analysis and their molecular characterization. To overcome limits linked to native production, a recombinant expression approach in the yeast Pichia pastoris was applied. Different expression levels were obtained: PleoLip241 reached a maximum activity of 4000 U/L, whereas PleoLip369 reached a maximum activity of 700 U/L. Despite their sequence similarity, these enzymes exhibited different substrate specificity and diverse stability at pH, temperature, and presence of metals, detergents and organic solvents. The obtained data allowed classifying PleoLip241 as belonging to the “true lipase” family. Indeed, by phylogenetic analysis the two proteins fall in different clusters. PleoLip241 was used to remove the hydrophobic layer from wool surface in order to improve its dyeability. The encouraging results obtained with lipase treated wool led to forecast PleoLip241 applicability in this field.
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Affiliation(s)
- Alessandra Piscitelli
- Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Napoli, Italy
- * E-mail:
| | - Vincenzo Tarallo
- Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Napoli, Italy
| | - Lucia Guarino
- Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Napoli, Italy
| | - Giovanni Sannia
- Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Napoli, Italy
| | - Leyla Birolo
- Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Napoli, Italy
| | - Cinzia Pezzella
- Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Napoli, Italy
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Yang J, Li W, Ng TB, Deng X, Lin J, Ye X. Laccases: Production, Expression Regulation, and Applications in Pharmaceutical Biodegradation. Front Microbiol 2017; 8:832. [PMID: 28559880 PMCID: PMC5432550 DOI: 10.3389/fmicb.2017.00832] [Citation(s) in RCA: 137] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 04/24/2017] [Indexed: 01/08/2023] Open
Abstract
Laccases are a family of copper-containing oxidases with important applications in bioremediation and other various industrial and biotechnological areas. There have been over two dozen reviews on laccases since 2010 covering various aspects of this group of versatile enzymes, from their occurrence, biochemical properties, and expression to immobilization and applications. This review is not intended to be all-encompassing; instead, we highlighted some of the latest developments in basic and applied laccase research with an emphasis on laccase-mediated bioremediation of pharmaceuticals, especially antibiotics. Pharmaceuticals are a broad class of emerging organic contaminants that are recalcitrant and prevalent. The recent surge in the relevant literature justifies a short review on the topic. Since low laccase yields in natural and genetically modified hosts constitute a bottleneck to industrial-scale applications, we also accentuated a genus of laccase-producing white-rot fungi, Cerrena, and included a discussion with regards to regulation of laccase expression.
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Affiliation(s)
- Jie Yang
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
| | - Wenjuan Li
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
| | - Tzi Bun Ng
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong KongShatin, Hong Kong
| | - Xiangzhen Deng
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
| | - Juan Lin
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
| | - Xiuyun Ye
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou UniversityFujian, China
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Kumar A, Singh D, Sharma KK, Arora S, Singh AK, Gill SS, Singhal B. Gel-Based Purification and Biochemical Study of Laccase Isozymes from Ganoderma sp. and Its Role in Enhanced Cotton Callogenesis. Front Microbiol 2017; 8:674. [PMID: 28473815 PMCID: PMC5397484 DOI: 10.3389/fmicb.2017.00674] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 03/31/2017] [Indexed: 01/05/2023] Open
Abstract
Basidiomycetous fungi, Ganoderma lucidum MDU-7 and Ganoderma sp. kk-02 secreted multiple laccase isozymes under diverse growth condition. Aromatic compounds and metal salts were also found to regulate the differential expression of laccase isozymes from both the Ganoderma sp. Laccase isozymes induced in the presence of copper from G. lucidum MDU-7 were purified by gel-based (native-PAGE) purification method. The purity of laccase isozymes was checked by zymogram and SDS-PAGE. The SDS-PAGE of purified proteins confirmed the multimeric nature of laccase isozymes. The molecular mass of isozymes was found to be in the range of 40–66 kDa. Further, the purified laccase isozymes and their peptides were confirmed with the help of MALDI-TOF peptide fingerprinting. The biochemical characterization of laccase isozymes viz. Glac L2, Glac L3, Glac L4, and Glac L5 have shown the optimum temperature in the range of 30°–45°C and pH 3.0. The Km values of all the laccase isozymes determined for guaiacol were (96–281 μM), ABTS (15–83 μM) and O-tolidine (78–724 μM). Further, laccase isozymes from G. lucidum whole genome were studied using bioinformatics tools. The molecular modeling and docking of laccase isozymes with different substrates showed a significant binding affinity, which further validates our experimental results. Interestingly, copper induced laccase of 40 U/ml in culture medium was found to significantly induce cotton callogenesis. Interestingly, all the laccase isozymes were found to have an antioxidative role and therefore capable in free radicals scavenging during callogenesis. This is the first detailed study on the biochemical characterization of all the laccase isozymes purified by a gel-based novel method.
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Affiliation(s)
- Amit Kumar
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand UniversityRohtak, India.,School of Biotechnology, Gautam Buddha UniversityGreater Noida, India
| | - Deepti Singh
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand UniversityRohtak, India
| | - Krishna K Sharma
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand UniversityRohtak, India
| | - Sakshi Arora
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand UniversityRohtak, India
| | - Amarjeet K Singh
- Centre for Genetic Manipulation of Crop Plants, University of Delhi South CampusNew Delhi, India
| | - Sarvajeet S Gill
- Stress Physiology and Molecular Biology Laboratory, Centre for Biotechnology, Maharshi Dayanand UniversityRohtak, India
| | - Barkha Singhal
- School of Biotechnology, Gautam Buddha UniversityGreater Noida, India
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The rapid degradation of bisphenol A induced by the response of indigenous bacterial communities in sediment. Appl Microbiol Biotechnol 2017; 101:3919-3928. [DOI: 10.1007/s00253-017-8154-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 01/18/2017] [Accepted: 01/24/2017] [Indexed: 01/30/2023]
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Huang R, Ding Q, Xiang Y, Gu T, Li Y. Corrigendum: Comparative Analysis of DNA Methyltransferase Gene Family in Fungi: A Focus on Basidiomycota. FRONTIERS IN PLANT SCIENCE 2017; 8:123. [PMID: 28167954 PMCID: PMC5289970 DOI: 10.3389/fpls.2017.00123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 01/20/2017] [Indexed: 05/16/2023]
Abstract
[This corrects the article on p. 1556 in vol. 7, PMID: 27818666.].
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Affiliation(s)
- Ruirui Huang
- State Key Laboratory of Plant Genetics and Germplas Enhancement and College of Horticulture, Nanjing Agricultural UniversityNanjing, China
| | - Qiangqiang Ding
- State Key Laboratory of Plant Genetics and Germplas Enhancement and College of Horticulture, Nanjing Agricultural UniversityNanjing, China
| | - Yanan Xiang
- Laboratory of Plant Hormone, College of Life Sciences, Nanjing Agricultural UniversityNanjing, China
| | - Tingting Gu
- State Key Laboratory of Plant Genetics and Germplas Enhancement and College of Horticulture, Nanjing Agricultural UniversityNanjing, China
- *Correspondence: Gu Tingting
| | - Yi Li
- State Key Laboratory of Plant Genetics and Germplas Enhancement and College of Horticulture, Nanjing Agricultural UniversityNanjing, China
- Department of Plant Science and Landscape Architecture, University of ConnecticutStorrs, CT, USA
- Yi Li
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Zhuo R, Yuan P, Yang Y, Zhang S, Ma F, Zhang X. Induction of laccase by metal ions and aromatic compounds in Pleurotus ostreatus HAUCC 162 and decolorization of different synthetic dyes by the extracellular laccase. Biochem Eng J 2017. [DOI: 10.1016/j.bej.2016.09.016] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Garrido-Bazán V, Téllez-Téllez M, Herrera-Estrella A, Díaz-Godínez G, Nava-Galicia S, Villalobos-López MÁ, Arroyo-Becerra A, Bibbins-Martínez M. Effect of textile dyes on activity and differential regulation of laccase genes from Pleurotus ostreatus grown in submerged fermentation. AMB Express 2016; 6:93. [PMID: 27718214 PMCID: PMC5055507 DOI: 10.1186/s13568-016-0263-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 09/28/2016] [Indexed: 09/01/2023] Open
Abstract
This research was conducted to extend the knowledge on the differential regulation of laccase genes in response to dyes. In order to accomplish this, we analyzed both, the expression of five laccase genes by real time RT-qPCR, and also the laccase activity and isoforms patterns during the time-course of a Pleurotus ostreatus submerged fermentation supplemented with either acetyl yellow G (AYG) or remazol brilliant blue R (RBBR) dyes. For the purpose of obtaining a stable reference gene for optimal normalization of RT-quantitative PCR gene expression assays, we tested four candidate reference genes. As a result of this analysis, gpd was selected as reference index for data normalization. The addition of dyes had an induction effect on the enzymatic activity and also modified the zymogram profile. Fermentation with RBBR showed the highest laccase activity and number of isoforms along the course of the fermentation. Laccase gene expression profiles displayed up/down regulation along the fermentation time in four laccase genes (pox4, pox3, poxa1b and pox2), while pox1 was not expressed in either of the fermentation conditions. AYG addition caused the highest induction and repression levels for genes pox3 and poxa1b respectively. The expression level for all genes in the presence of RBBR were lower than in AYG, being in both conditions this response growth time dependent. These results show the influence of the nature of dyes on the induction level of laccase activity and on the differential regulation of the laccase genes expression in P. ostreatus.
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Laccase Gene Family in Cerrena sp. HYB07: Sequences, Heterologous Expression and Transcriptional Analysis. Molecules 2016; 21:molecules21081017. [PMID: 27527131 PMCID: PMC6273318 DOI: 10.3390/molecules21081017] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 07/26/2016] [Accepted: 07/26/2016] [Indexed: 12/21/2022] Open
Abstract
Laccases are a class of multi-copper oxidases with industrial potential. In this study, eight laccases (Lac1-8) from Cerrena sp. strain HYB07, a white-rot fungus with high laccase yields, were analyzed. The laccases showed moderate identities to each other as well as with other fungal laccases and were predicted to have high redox potentials except for Lac6. Selected laccase isozymes were heterologously expressed in the yeast Pichia pastoris, and different enzymatic properties were observed. Transcription of the eight laccase genes was differentially regulated during submerged and solid state fermentation, as shown by quantitative real-time polymerase chain reaction and validated reference genes. During 6-day submerged fermentation, Lac7 and 2 were successively the predominantly expressed laccase gene, accounting for over 95% of all laccase transcripts. Interestingly, accompanying Lac7 downregulation, Lac2 transcription was drastically upregulated on days 3 and 5 to 9958-fold of the level on day 1. Consistent with high mRNA abundance, Lac2 and 7, but not other laccases, were identified in the fermentation broth by LC-MS/MS. In solid state fermentation, less dramatic differences in transcript abundance were observed, and Lac3, 7 and 8 were more highly expressed than other laccase genes. Elucidating the properties and expression profiles of the laccase gene family will facilitate understanding, production and commercialization of the fungal strain and its laccases.
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Moiseenko KV, Maloshenok LG, Vasina DV, Bruskin SA, Tyazhelova TV, Koroleva OV. Laccase multigene families in Agaricomycetes. J Basic Microbiol 2016; 56:1392-1397. [PMID: 27400399 DOI: 10.1002/jobm.201600224] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 06/20/2016] [Indexed: 11/10/2022]
Abstract
Here we present the results of the exploration of laccase multigene families (MGFs) in basidiomycetous fungi from different taxonomic groups using a next generation sequencing (NGS) technology. In our study, multiple laccase genes were identified in all of the investigated fungi (13 species) from Polyporaceae, Phanerochaetaceae, Meruliaceae, Pleurotaceae, Physalacriaceae, and Peniophoraceae families. It was shown that phylogenetic positioning of the newly identified sequences exhibit patterns of clusterization with respect to enzyme properties. This can be a potentially useful tool for selecting naturally existing laccases with different physicochemical characteristics relevant to different biotechnological applications. Moreover, the method developed in this study can be used in the screening of environmental samples and fast characterization of laccase MGFs in newly identified fungal species.
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Affiliation(s)
- Konstantin V Moiseenko
- Bach Institute of Biochemistry, Research Centre of Biotechnology of the Russian Academy of Sciences, Moscow, Russian Federation
| | - Liliya G Maloshenok
- N.I. Vavilov Institute of General Genetics Russian Academy of Sciences, Moscow, Russian Federation
| | - Daria V Vasina
- Bach Institute of Biochemistry, Research Centre of Biotechnology of the Russian Academy of Sciences, Moscow, Russian Federation
| | - Sergey A Bruskin
- N.I. Vavilov Institute of General Genetics Russian Academy of Sciences, Moscow, Russian Federation
| | - Tatiana V Tyazhelova
- Bach Institute of Biochemistry, Research Centre of Biotechnology of the Russian Academy of Sciences, Moscow, Russian Federation
| | - Olga V Koroleva
- Bach Institute of Biochemistry, Research Centre of Biotechnology of the Russian Academy of Sciences, Moscow, Russian Federation
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Zhu C, Bao G, Huang S. Optimization of laccase production in the white-rot fungusPleurotus ostreatus(ACCC 52857) induced through yeast extract and copper. BIOTECHNOL BIOTEC EQ 2016. [DOI: 10.1080/13102818.2015.1135081] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Yang J, Wang G, Ng TB, Lin J, Ye X. Laccase Production and Differential Transcription of Laccase Genes in Cerrena sp. in Response to Metal Ions, Aromatic Compounds, and Nutrients. Front Microbiol 2016; 6:1558. [PMID: 26793186 PMCID: PMC4710055 DOI: 10.3389/fmicb.2015.01558] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Accepted: 12/22/2015] [Indexed: 11/30/2022] Open
Abstract
Laccases can oxidize a wide range of aromatic compounds and are industrially valuable. Laccases often exist in gene families and may differ from each other in expression and function. Quantitative real-time polymerase chain reaction (qPCR) was used for transcription profiling of eight laccase genes in Cerrena sp. strain HYB07 with validated reference genes. A high laccase activity of 280.0 U/mL was obtained after submerged fermentation for 5 days. Laccase production and laccase gene transcription at different fermentation stages and in response to various environmental cues were revealed. HYB07 laccase activity correlated with transcription levels of its predominantly expressed laccase gene, Lac7. Cu2+ ions were indispensable for efficient laccase production by HYB07, mainly through Lac7 transcription induction, and no aromatic compounds were needed. HYB07 laccase synthesis and biomass accumulation were highest with non-limiting carbon and nitrogen. Glycerol and inorganic nitrogen sources adversely impacted Lac7 transcription, laccase yields, and fungal growth. The present study would further our understanding of transcription regulation of laccase genes, which may in turn facilitate laccase production as well as elucidation of their physiological roles.
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Affiliation(s)
- Jie Yang
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou University Fuzhou, China
| | - Guozeng Wang
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou University Fuzhou, China
| | - Tzi Bun Ng
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong Hong Kong, China
| | - Juan Lin
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou University Fuzhou, China
| | - Xiuyun Ye
- Fujian Key Laboratory of Marine Enzyme Engineering, Fuzhou University Fuzhou, China
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Sakamoto Y, Nakade K, Yoshida K, Natsume S, Miyazaki K, Sato S, van Peer AF, Konno N. Grouping of multicopper oxidases in Lentinula edodes by sequence similarities and expression patterns. AMB Express 2015; 5:63. [PMID: 26384343 PMCID: PMC4573974 DOI: 10.1186/s13568-015-0151-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 09/08/2015] [Indexed: 11/30/2022] Open
Abstract
The edible white rot fungus Lentinula edodes possesses a variety of lignin degrading enzymes such as manganese peroxidases and laccases. Laccases belong to the multicopper oxidases, which have a wide range of catalytic activities including polyphenol degradation and synthesis, lignin degradation, and melanin formation. The exact number of laccases in L. edodes is unknown, as are their complete properties and biological functions. We analyzed the draft genome sequence of L. edodes D703PP-9 and identified 13 multicopper oxidase-encoding genes; 11 laccases in sensu stricto, of which three are new, and two ferroxidases. lcc8, a laccase previously reported in L. edodes, was not identified in D703PP-9 genome. Phylogenetic analysis showed that the 13 multicopper oxidases can be classified into laccase sensu stricto subfamily 1, laccase sensu stricto subfamily 2 and ferroxidases. From sequence similarities and expression patterns, laccase sensu stricto subfamily 1 can be divided into two subgroups. Laccase sensu stricto subfamily 1 group A members are mainly secreted from mycelia, while laccase sensu stricto subfamily 1 group B members are expressed mainly in fruiting bodies during growth or after harvesting but are lowly expressed in mycelia. Laccase sensu stricto subfamily 2 members are mainly expressed in mycelia, and two ferroxidases are mainly expressed in the fruiting body during growth or after harvesting, and are expressed at very low levels in mycelium. Our data suggests that L. edodes laccases in same group share expression patterns and would have common biological functions.
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Golan-Rozen N, Seiwert B, Riemenschneider C, Reemtsma T, Chefetz B, Hadar Y. Transformation Pathways of the Recalcitrant Pharmaceutical Compound Carbamazepine by the White-Rot Fungus Pleurotus ostreatus: Effects of Growth Conditions. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:12351-62. [PMID: 26418858 DOI: 10.1021/acs.est.5b02222] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The widely used anticonvulsant pharmaceutical carbamazepine is recalcitrant in many environmental niches and thus poses a challenge in wastewater treatment. We followed the decomposition of carbamazepine by the white-rot fungus Pleurotus ostreatus in liquid culture compared to solid-state fermentation on lignocellulosic substrate where different enzymatic systems are active. Carbamazepine metabolites were identified using liquid chromatography-high-resolution mass spectrometry (LC-Q-TOF-MS). In liquid culture, carbamazepine was only transformed to 10,11-epoxy carbamazepine and 10,11-dihydroxy carbamazepine as a dead-end product. During solid-state fermentation, carbamazepine metabolism resulted in the generation of an additional 22 transformation products, some of which are toxic. Under solid-state-fermentation conditions, 10,11-epoxy carbamazepine was further metabolized via acridine and 10,11-dihydroxy carbamazepine pathways. The latter was further metabolized via five subpathways. When (14)C-carbonyl-labeled carbamazepine was used as the substrate, (14)C-CO2 release amounted to 17.4% of the initial radioactivity after 63 days of incubation. The proposed pathways were validated using metabolites (10,11-epoxy carbamazepine, 10,11-dihydroxy carbamazepine, and acridine) as primary substrates and following their fate at different time points. This work highlights the effect of growth conditions on the transformation pathways of xenobiotics. A better understanding of the fate of pollutants during bioremediation treatments is important for establishment of such technologies.
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Affiliation(s)
| | - Bettina Seiwert
- Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ , Permoserstrasse 15, 04318 Leipzig, Germany
| | - Christina Riemenschneider
- Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ , Permoserstrasse 15, 04318 Leipzig, Germany
| | - Thorsten Reemtsma
- Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ , Permoserstrasse 15, 04318 Leipzig, Germany
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An H, Wei D, Xiao T. Transcriptional profiles of laccase genes in the brown rot fungus Postia placenta MAD-R-698. J Microbiol 2015; 53:606-15. [DOI: 10.1007/s12275-015-4705-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 06/16/2015] [Accepted: 06/23/2015] [Indexed: 10/23/2022]
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Vasina DV, Mustafaev ON, Moiseenko KV, Sadovskaya NS, Glazunova OA, Tyurin АА, Fedorova TV, Pavlov AR, Tyazhelova TV, Goldenkova-Pavlova IV, Koroleva OV. The Trametes hirsuta 072 laccase multigene family: Genes identification and transcriptional analysis under copper ions induction. Biochimie 2015. [PMID: 26196690 DOI: 10.1016/j.biochi.2015.07.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Laccases, blue copper-containing oxidases, ≿ an play an important role in a variety of natural processes. The majority of fungal laccases are encoded by multigene families that express closely related proteins with distinct functions. Currently, only the properties of major gene products of the fungal laccase families have been described. Our study is focused on identification and characterization of laccase genes, which are transcribed in basidiomycete Trametes hirsuta 072, an efficient lignin degrader, in a liquid medium, both without and with induction of laccase transcription by copper ions. We carried out production of cDNA libraries from total fungal RNA, followed by suppression subtractive hybridization and mirror orientation selection procedures, and then used Next Generation Sequencing to identify low abundance and differentially expressed laccase transcripts. This approach resulted in description of five laccase genes of the fungal family, which, according to the phylogenetic analysis, belong to distinct clusters within the Trametes genus. Further analysis established similarity of physical, chemical, and catalytic properties between laccases inside each cluster. Structural modeling suggested importance of the sequence differences in the clusters for laccase substrate specificity and catalytic efficiency. The implications of the laccase variations for the fungal physiology are discussed.
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Affiliation(s)
- Daria V Vasina
- A.N. Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky prospekt, 33, build. 2, Moscow 119071, Russia.
| | - Orkhan N Mustafaev
- Institute of Plant Physiology, Russian Academy of Sciences, st. Botanicheskaya, 35, Moscow 127276, Russia
| | - Konstantin V Moiseenko
- A.N. Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky prospekt, 33, build. 2, Moscow 119071, Russia
| | - Natalia S Sadovskaya
- Institute of Plant Physiology, Russian Academy of Sciences, st. Botanicheskaya, 35, Moscow 127276, Russia
| | - Olga A Glazunova
- A.N. Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky prospekt, 33, build. 2, Moscow 119071, Russia
| | - Аlexander А Tyurin
- Institute of Plant Physiology, Russian Academy of Sciences, st. Botanicheskaya, 35, Moscow 127276, Russia
| | - Tatiana V Fedorova
- A.N. Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky prospekt, 33, build. 2, Moscow 119071, Russia
| | - Andrey R Pavlov
- A.N. Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky prospekt, 33, build. 2, Moscow 119071, Russia
| | - Tatiana V Tyazhelova
- A.N. Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky prospekt, 33, build. 2, Moscow 119071, Russia
| | - Irina V Goldenkova-Pavlova
- Institute of Plant Physiology, Russian Academy of Sciences, st. Botanicheskaya, 35, Moscow 127276, Russia
| | - Olga V Koroleva
- A.N. Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky prospekt, 33, build. 2, Moscow 119071, Russia
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Zhang J, Chen H, Chen M, Ren A, Huang J, Wang H, Zhao M, Feng Z. Cloning and functional analysis of a laccase gene during fruiting body formation in Hypsizygus marmoreus. Microbiol Res 2015; 179:54-63. [PMID: 26411895 DOI: 10.1016/j.micres.2015.06.005] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 05/27/2015] [Accepted: 06/19/2015] [Indexed: 10/23/2022]
Abstract
The Hypsizygus marmoreus laccase gene (lcc1) sequence was cloned and analyzed. The genomic DNA of lcc1 is 2336 bp, comprising 13 introns and 14 exons. The 1626-bp full-length cDNA encodes a mature laccase protein containing 542 amino acids, with a 21-amino acid signal peptide. Phylogenetic analysis showed that the lcc1 amino acid sequence is homologous to basidiomycete laccases and shares the highest similarity with Flammulina velutipes laccase. A 2021-bp promoter sequence containing a TATA box, CAAT box, and several putative cis-acting elements was also identified. To study the function of lcc1, we first overexpressed lcc1 in H. marmoreus and found that the transgenic fungus producing recombinant laccase displayed faster mycelial growth than the wild-type (wt) strain. Additionally, primordium initiation was induced 3-5 days earlier in the transgenic fungus, and fruiting body maturation was also promoted approximately five days earlier than in the wt strain. Furthermore, we detected that lcc1 was sustainably overexpressed and that laccase activity was also higher in the transgenic strains compared with the wt strain during development in H. marmoreus. These results indicate that the H. marmoreus lcc1 gene is involved in mycelial growth and fruiting body initiation by increasing laccase activity.
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Affiliation(s)
- Jinjing Zhang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, the People's Republic of China, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, FengXian District, Shanghai 201403, China
| | - Hui Chen
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, the People's Republic of China, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, FengXian District, Shanghai 201403, China
| | - Mingjie Chen
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, the People's Republic of China, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, FengXian District, Shanghai 201403, China
| | - Ang Ren
- College of Life Science, Nanjing Agricultural University, No. 1, Weigang road, XuanWu District, Nanjing 210095, China
| | - Jianchun Huang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, the People's Republic of China, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, FengXian District, Shanghai 201403, China
| | - Hong Wang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, the People's Republic of China, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, FengXian District, Shanghai 201403, China
| | - Mingwen Zhao
- College of Life Science, Nanjing Agricultural University, No. 1, Weigang road, XuanWu District, Nanjing 210095, China
| | - Zhiyong Feng
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, the People's Republic of China, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, No. 1000, Jinqi Road, FengXian District, Shanghai 201403, China; College of Life Science, Nanjing Agricultural University, No. 1, Weigang road, XuanWu District, Nanjing 210095, China.
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