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Qin Y, Wang N, Ma Z, Li J, Wang Y, Zang L. A mechanistic study on electro-Fenton system cooperating with phangerochate chrysosporium to degrade lignin. RSC Adv 2022; 12:17285-17293. [PMID: 35765444 PMCID: PMC9186436 DOI: 10.1039/d2ra01763f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/06/2022] [Indexed: 11/21/2022] Open
Abstract
The combined catalytic system of Electro-Fenton (E-Fenton) and Phanerochaete chrysosporium (P. chrysosporium) was constructed in liquid medium with additional potential to overcome the limitations of lignin degradation by white rot fungi alone. To further understand the mechanism of synergistic catalysis, we optimized the optimum potential for lignin catalysis by P. chrysosporium and built synergistic versus separate catalyses. After 48 h of incubation, the optimum growth environment and the highest lignin degradation rate (43.8%) of P. chrysosporium were achieved when 4 V was applied. After 96 h, the lignin degradation rate of the cocatalytic system was 62% (E-Fenton catalysis alone 22% and P. chrysosporium catalysis alone 19%), the pH of the growth maintenance system of P. chrysosporium was approximately 3.5, and the lignin peroxidase (LiP) and manganese-dependent peroxidase (MnP) enzyme activities, were significantly better than those of the control. The qPCR results indicated that the expression of both MnP and LiP genes was higher in the cocatalytic system. Meanwhile, FTIR and 2D-HSQC NMR confirmed that the synergistic catalysis was effective in breaking the aromatic functional groups and the side chains of the aliphatic region of lignin. This study showed that the synergistic catalytic process of electro-Fenton and P. chrysosporium was highly efficient in the degradation of lignin. In addition, the synergetic system is simple to operate, economical and green, and has good prospects for industrial application. The combined catalytic system of Electro-Fenton (E-Fenton) and Phanerochaete chrysosporium (P. chrysosporium) was constructed in liquid medium with additional potential to overcome the limitations of lignin degradation by white rot fungi alone.![]()
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Affiliation(s)
- Yingjian Qin
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science) Jinan 250353 Shandong P.R. China +86 13325127799
| | - Na Wang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science) Jinan 250353 Shandong P.R. China +86 13325127799
| | - Zhongmin Ma
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science) Jinan 250353 Shandong P.R. China +86 13325127799
| | - Jinsheng Li
- Weifang Ensign Industry Co., Ltd Changle 262499 Shandong P.R. China
| | - Yaozong Wang
- Weifang Ensign Industry Co., Ltd Changle 262499 Shandong P.R. China
| | - Lihua Zang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science) Jinan 250353 Shandong P.R. China +86 13325127799
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Oliveira AS, Rangel DEN. Transient anoxia during Metarhizium robertsii growth increases conidial virulence to Tenebrio molitor. J Invertebr Pathol 2018. [PMID: 29530642 DOI: 10.1016/j.jip.2018.03.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Little is known about the phenotypic effects of hypoxia and transient anoxia on the virulence of an entomopathogenic fungus. Conidia of Metarhizium robertsii were produced on: (1) potato dextrose agar medium (PDA) under normoxia; (2) PDA medium under continuous hypoxia; (3) PDA medium under transient anoxia; and (4) minimal medium with lactose (MML) under normoxia. Conidia produced under transient anoxia and produced on MML were the most virulent to Tenebrio molitor. Conidia produced under normoxia and hypoxia were the least virulent. Conidial production and germination speed of conidia produced under normoxia, hypoxia, and transient anoxia were similar; however, MML produced less conidia, but germinated faster than any other treatments.
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Affiliation(s)
- Ariel S Oliveira
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, GO 74605-050, Brazil
| | - Drauzio E N Rangel
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, GO 74605-050, Brazil; Instituto de Ciências e Tecnologia, Universidade Brasil, São Paulo, SP 08230-030, Brazil.
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Alder-Rangel A, Bailão AM, da Cunha AF, Soares CMA, Wang C, Bonatto D, Dadachova E, Hakalehto E, Eleutherio ECA, Fernandes ÉKK, Gadd GM, Braus GH, Braga GUL, Goldman GH, Malavazi I, Hallsworth JE, Takemoto JY, Fuller KK, Selbmann L, Corrochano LM, von Zeska Kress MR, Bertolini MC, Schmoll M, Pedrini N, Loera O, Finlay RD, Peralta RM, Rangel DEN. The second International Symposium on Fungal Stress: ISFUS. Fungal Biol 2017; 122:386-399. [PMID: 29801782 DOI: 10.1016/j.funbio.2017.10.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 10/24/2017] [Indexed: 12/23/2022]
Abstract
The topic of 'fungal stress' is central to many important disciplines, including medical mycology, chronobiology, plant and insect pathology, industrial microbiology, material sciences, and astrobiology. The International Symposium on Fungal Stress (ISFUS) brought together researchers, who study fungal stress in a variety of fields. The second ISFUS was held in May 8-11 2017 in Goiania, Goiás, Brazil and hosted by the Instituto de Patologia Tropical e Saúde Pública at the Universidade Federal de Goiás. It was supported by grants from CAPES and FAPEG. Twenty-seven speakers from 15 countries presented their research related to fungal stress biology. The Symposium was divided into seven topics: 1. Fungal biology in extreme environments; 2. Stress mechanisms and responses in fungi: molecular biology, biochemistry, biophysics, and cellular biology; 3. Fungal photobiology in the context of stress; 4. Role of stress in fungal pathogenesis; 5. Fungal stress and bioremediation; 6. Fungal stress in agriculture and forestry; and 7. Fungal stress in industrial applications. This article provides an overview of the science presented and discussed at ISFUS-2017.
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Affiliation(s)
| | - Alexandre M Bailão
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, 74690-900, GO, Brazil
| | - Anderson F da Cunha
- Laboratório de Bioquímica e Genética Aplicada, Departamento de Genética e Evolução, Centro de Ciências Biológicas e da Saúde, Universidade Federal de São Carlos, 90040-060, SP, Brazil
| | - Célia M A Soares
- Laboratório de Biologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, 74690-900, GO, Brazil
| | - Chengshu Wang
- CAS Key Laboratory of Insect Developmental and Evolutionary Biology, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Diego Bonatto
- Center for Biotechnology, Department of Molecular Biology and Biotechnology, Federal University of Rio Grande do Sul, Porto Alegre, 13565-905, RS, Brazil
| | - Ekaterina Dadachova
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, S7N 5E5, Canada
| | - Elias Hakalehto
- Department of Agricultural Sciences, P.O.B. 27, FI-00014, University of Helsinki, Finland
| | - Elis C A Eleutherio
- Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-901, RJ, Brazil
| | - Éverton K K Fernandes
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, GO 74605-050, Brazil
| | - Geoffrey M Gadd
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee, DD15EH, Scotland, UK
| | - Gerhard H Braus
- Department of Molecular Microbiology and Genetics, Institute for Microbiology and Genetics and Göttingen Center for Molecular Biosciences, University of Göttingen, Göttingen, D-37077, Germany
| | - Gilberto U L Braga
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, 14040-903, SP, Brazil
| | - Gustavo H Goldman
- Departamento de Ciências Farmacêuticas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, 14040-903, SP, Brazil
| | - Iran Malavazi
- Centro de Ciências Biológicas e da Saúde, Departamento de Genética e Evolução, Universidade Federal de São Carlos, São Carlos, 13565-905, SP, Brazil
| | - John E Hallsworth
- Institute for Global Food Security, School of Biological Sciences, MBC, Queen's University Belfast, Belfast, BT9 7BL, Northern Ireland, UK
| | - Jon Y Takemoto
- Department of Biology, Utah State University, Logan, UT 84322, USA
| | - Kevin K Fuller
- Department of Molecular and Systems Biology, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA
| | - Laura Selbmann
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Largo dell'Università snc, 01100 Viterbo, Italy
| | - Luis M Corrochano
- Departamento de Genética, Facultad de Biología, Universidad de Sevilla, 41012 Sevilla, Spain
| | - Marcia R von Zeska Kress
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, 14040-903, SP, Brazil
| | - Maria Célia Bertolini
- Departamento de Bioquímica e Tecnologia Química, Instituto de Química, Universidade Estadual Paulista, 14800-060, Araraquara, SP, Brazil
| | - Monika Schmoll
- AIT Austrian Institute of Technology GmbH, Center for Health and Bioresources, Konrad-Lorenz Straße 24, 3430 Tulln, Austria
| | - Nicolás Pedrini
- Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP), CCT La Plata Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)-Universidad Nacional de La Plata (UNLP), calles 60 y 120, 1900 La Plata, Argentina
| | - Octavio Loera
- Department of Biotechnology, Universidad Autónoma Metropolitana-Iztapalapa, C.P. 09340, Mexico City, Mexico
| | - Roger D Finlay
- Uppsala Biocenter, Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Box 7026, 750 07 Uppsala, Sweden
| | - Rosane M Peralta
- Department of Biochemistry, Universidade Estadual de Maringá, 87020-900, Maringá, PR, Brazil
| | - Drauzio E N Rangel
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, GO 74605-050, Brazil.
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