1
|
Lignin Biodegradation in Pulp-and-Paper Mill Wastewater by Selected White Rot Fungi. WATER 2017. [DOI: 10.3390/w9120935] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
2
|
Artham T, Doble M. Biodegradation of Physicochemically Treated Polycarbonate by Fungi. Biomacromolecules 2009; 11:20-8. [DOI: 10.1021/bm9008099] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Trishul Artham
- Department of Biotechnology, Indian Institute of Technology Madras, Chennai 600036, India
| | - Mukesh Doble
- Department of Biotechnology, Indian Institute of Technology Madras, Chennai 600036, India
| |
Collapse
|
3
|
Ravalason H, Jan G, Mollé D, Pasco M, Coutinho PM, Lapierre C, Pollet B, Bertaud F, Petit-Conil M, Grisel S, Sigoillot JC, Asther M, Herpoël-Gimbert I. Secretome analysis of Phanerochaete chrysosporium strain CIRM-BRFM41 grown on softwood. Appl Microbiol Biotechnol 2008; 80:719-33. [DOI: 10.1007/s00253-008-1596-x] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2008] [Revised: 06/26/2008] [Accepted: 06/26/2008] [Indexed: 11/28/2022]
|
4
|
Xiong X, Wen X, Bai Y, Qian Y. Effects of culture conditions on ligninolytic enzymes and protease production by Phanerochaete chrysosporium in air. J Environ Sci (China) 2008; 20:94-100. [PMID: 18572529 DOI: 10.1016/s1001-0742(08)60014-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The production of ligninolytic enzymes and protease by Phanerochaete chrysosporium was investigated under different culture conditions. Different amounts of medium were employed in free and immobilized culture, together with two kinds of medium with different C/N ratios. Little lignin peroxidase (LiP) (< 2 U/L) was detected in free culture with nitrogen-limited medium (C/N ratio: 56/2.2, in mmol/L), while manganese peroxidase (MnP) maximum activity was 231 and 240 U/L in 50 and 100 ml medium culture, respectively. Immobilized culture with 50 ml nitrogen-limited medium gave the highest MnP and LiP production with the maximum values of 410 and 721 U/L separately on the day 5; however, flasks containing 100 ml nitrogen-limited medium only produced less MnP with a peak value of 290 U/L. Comparatively, carbon-limited medium (C/N ratio: 28/44, in mmol/L) was adopted in culture but produced little MnP and LiP. Medium type had the greatest impact on protease production. Large amount of protease was produced due to glucose limitation. Culture type and medium volume influence protease activity corporately by affecting oxygen supply. The results implied shallow immobilized culture was a possible way to gain high production of ligninolytic enzymes.
Collapse
Affiliation(s)
- Xiaoping Xiong
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, China.
| | | | | | | |
Collapse
|
5
|
Urek RO, Pazarlioglu NK. Manganese Peroxidase Production by ImmobilizedPhanerochaete chrysosporiumBKM‐F‐1767 in a Cell Bioreactor. Prep Biochem Biotechnol 2007; 38:1-12. [DOI: 10.1080/10826060701774296] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
6
|
Kersten P, Cullen D. Extracellular oxidative systems of the lignin-degrading Basidiomycete Phanerochaete chrysosporium. Fungal Genet Biol 2007; 44:77-87. [PMID: 16971147 DOI: 10.1016/j.fgb.2006.07.007] [Citation(s) in RCA: 251] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2006] [Accepted: 07/20/2006] [Indexed: 11/17/2022]
Abstract
The US Department of Energy has assembled a high quality draft genome of Phanerochaete chrysosporium, a white rot Basidiomycete capable of completely degrading all major components of plant cell walls including cellulose, hemicellulose and lignin. Hundreds of sequences are predicted to encode extracellular enzymes including an impressive number of oxidative enzymes potentially involved in lignocellulose degradation. Herein, we summarize the number, organization, and expression of genes encoding peroxidases, copper radical oxidases, FAD-dependent oxidases, and multicopper oxidases. Possibly relevant to extracellular oxidative systems are genes involved in posttranslational processes and a large number of hypothetical proteins.
Collapse
Affiliation(s)
- Phil Kersten
- Forest Products Laboratory, USDA, One Gifford Pinchot Drive, Madison, WI 53705, USA
| | | |
Collapse
|
7
|
Vanden Wymelenberg A, Minges P, Sabat G, Martinez D, Aerts A, Salamov A, Grigoriev I, Shapiro H, Putnam N, Belinky P, Dosoretz C, Gaskell J, Kersten P, Cullen D. Computational analysis of the Phanerochaete chrysosporium v2.0 genome database and mass spectrometry identification of peptides in ligninolytic cultures reveal complex mixtures of secreted proteins. Fungal Genet Biol 2006; 43:343-56. [PMID: 16524749 DOI: 10.1016/j.fgb.2006.01.003] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2005] [Revised: 12/30/2005] [Accepted: 01/11/2006] [Indexed: 11/28/2022]
Abstract
The white-rot basidiomycete Phanerochaete chrysosporium employs extracellular enzymes to completely degrade the major polymers of wood: cellulose, hemicellulose, and lignin. Analysis of a total of 10,048 v2.1 gene models predicts 769 secreted proteins, a substantial increase over the 268 models identified in the earlier database (v1.0). Within the v2.1 'computational secretome,' 43% showed no significant similarity to known proteins, but were structurally related to other hypothetical protein sequences. In contrast, 53% showed significant similarity to known protein sequences including 87 models assigned to 33 glycoside hydrolase families and 52 sequences distributed among 13 peptidase families. When grown under standard ligninolytic conditions, peptides corresponding to 11 peptidase genes were identified in culture filtrates by mass spectrometry (LS-MS/MS). Five peptidases were members of a large family of aspartyl proteases, many of which were localized to gene clusters. Consistent with a role in dephosphorylation of lignin peroxidase, a mannose-6-phosphatase (M6Pase) was also identified in carbon-starved cultures. Beyond proteases and M6Pase, 28 specific gene products were identified including several representatives of gene families. These included 4 lignin peroxidases, 3 lipases, 2 carboxylesterases, and 8 glycosyl hydrolases. The results underscore the rich genetic diversity and complexity of P. chrysosporium's extracellular enzyme systems.
Collapse
|
8
|
Ürek RÖ, Pazarlioǧlu NK. Production and stimulation of manganese peroxidase by immobilized Phanerochaete chrysosporium. Process Biochem 2005. [DOI: 10.1016/j.procbio.2003.11.040] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
9
|
Cabaleiro DR, Rodrı́guez-Couto S, Sanromán A, Longo MA. Comparison between the protease production ability of ligninolytic fungi cultivated in solid state media. Process Biochem 2002. [DOI: 10.1016/s0032-9592(01)00307-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
10
|
Mechanism of peroxidase inactivation in liquid cultures of the ligninolytic fungus pleurotus pulmonarius. Appl Environ Microbiol 1999; 65:923-8. [PMID: 10049843 PMCID: PMC91124 DOI: 10.1128/aem.65.3.923-928.1999] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
It has recently been reported that Pleurotus pulmonarius secretes a versatile peroxidase that oxidizes Mn2+, as well as different phenolic and nonphenolic aromatic compounds; this enzyme has also been detected in other Pleurotus species and in Bjerkandera species. During culture production of the enzyme, the activity of the main peak was as high as 1,000 U/liter (measured on the basis of the Mn3+-tartrate formation) but this peak was very ephemeral due to enzyme instability (up to 80% of the activity was lost within 15 h). In culture filtrates inactivation was even faster; all peroxidase activity was lost within a few hours. Using different inhibitor compounds, we found that proteases were not responsible for the decrease in peroxidase activity. Peroxidase instability coincided with an increase in the H2O2 concentration, which reached 200 μM when filtrates were incubated for several hours. It also coincided with the onset of biosynthesis of anisylic compounds and a decrease in the pH of the culture. Anisyl alcohol is the natural substrate of the enzyme aryl-alcohol oxidase, the main source of extracellular H2O2 in Pleurotus cultures, and addition of anisyl alcohol to filtrates containing stable peroxidase activity resulted in rapid inactivation. A decrease in the culture pH could also dramatically affect the stability of the P. pulmonarius peroxidase, as shown by using pH values ranging from 6 to 3.25, which resulted in an increase in the level of inactivation by 10 μM H2O2 from 5 to 80% after 1 h. Moreover, stabilization of the enzyme was observed after addition of catalase, Mn2+, or some phenols or after dialysis of the culture filtrate. We concluded that extracellular H2O2 produced by the fungus during oxidation of aromatic metabolites is responsible for inactivation of the peroxidase and that the enzyme can protect itself in the presence of different reducing substrates.
Collapse
|
11
|
Nakamura Y, Sungusia MG, Sawada T, Kuwahara M. Lignin-degrading enzyme production by Bjerkandera adusta immobilized on polyurethane foam. J Biosci Bioeng 1999; 88:41-7. [PMID: 16232571 DOI: 10.1016/s1389-1723(99)80173-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/1999] [Accepted: 03/26/1999] [Indexed: 11/24/2022]
Abstract
Production of the lignin-degrading enzymes lignin peroxidase (Lip), manganese peroxidase (MnP), and laccase (Lac) by the white-rot fungus Bjerkandera adusta was investigated experimentally using polyurethane foam (PUF) as a carrier of immobilized fungal mycelia. An immobilized cell culture with a low-nitrogen medium yielded significantly greater LiP, MnP, and Lac activities in comparison with those obtained in a liquid culture. The maximum activities of the three enzymes were 450, 370, and 100 U/ml, respectively, under the following incubation condition: glucose concentration, 20 g/l; temperature, 30 degrees C; pH 4.5. The activities of MnP and Lac were significantly higher than those reported using other incubation methods. Lignin was degraded to the extent of 40% and its decolorization ratio was about 70% at an incubation time of 40 h using lignin-degrading enzymes from B. adusta. Six different isozymes of MnP were synthesized by B. adusta, two of which exhibited high MnP activity. Our preliminary finding that extracellular enzymes from B. adusta are capable of degrading and decoloring lignin makes these enzymes attractive for further research aimed at their large-scale application in lignin depolymerization, pulp biobleaching, and the degradation of toxic pollutants.
Collapse
Affiliation(s)
- Y Nakamura
- Department of Chemistry and Chemical Engineering, Faculty of Engineering, Kanazawa University, 2-40-20 Kodatsuno, Kanazawa 920-8667 Japan
| | | | | | | |
Collapse
|
12
|
Joshi J, Elias C, Patole M. Role of hydrodynamic shear in the cultivation of animal, plant and microbial cells. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/0923-0467(95)03062-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
13
|
Nutrient regulation of extracellular peroxidases in the white rot fungus,Bjerkandera sp. strain BOS55. Appl Microbiol Biotechnol 1996. [DOI: 10.1007/bf00178618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
14
|
Angelova MB, Genova LK, Pashova SB, Slokoska LS, Dolashka PA. Effect of cultural conditions on the synthesis of superoxide dismutase by Humicola lutea 110. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/s0922-338x(97)86984-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
15
|
Feijoo G, Rothschild N, Dosoretz C, Lema J. Effect of addition of extracellular culture fluid on ligninolytic enzyme formation in Phanerochaete chrysosporium. J Biotechnol 1995. [DOI: 10.1016/0168-1656(95)00029-p] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
|