Role of the antioxidant defense system during the production of lignocellulolytic enzymes by fungi.
Identifieur interne : 000052 ( Main/Exploration ); précédent : 000051; suivant : 000053Role of the antioxidant defense system during the production of lignocellulolytic enzymes by fungi.
Auteurs : Georgia B. Pompeu [Brésil] ; Vivian C. Pietrobon [Brésil] ; Cristiane C F. Andreote [Brésil] ; Luiz F R. Ferreira [Brésil] ; Mario Aguiar [États-Unis] ; Sergio B. Sartori [Brésil] ; Sandra H. Cruz [Brésil] ; Regina T R. Monteiro [Brésil]Source :
- International microbiology : the official journal of the Spanish Society for Microbiology [ 1618-1905 ] ; 2019.
Descripteurs français
- KwdFr :
- Antioxydants (analyse), Ascomycota (enzymologie), Ascomycota (métabolisme), Basidiomycota (enzymologie), Basidiomycota (métabolisme), Catalase (analyse), Cellulose (métabolisme), Espèces réactives de l'oxygène (métabolisme), Espèces réactives de l'oxygène (toxicité), Fermentation (MeSH), Hydrolases (métabolisme), Lignine (métabolisme), Oxydoréduction (MeSH), Saccharum (métabolisme), Superoxide dismutase (analyse).
- MESH :
- analyse : Antioxydants, Catalase, Superoxide dismutase.
- enzymologie : Ascomycota, Basidiomycota.
- métabolisme : Ascomycota, Basidiomycota, Cellulose, Espèces réactives de l'oxygène, Hydrolases, Lignine, Saccharum.
- toxicité : Espèces réactives de l'oxygène.
- Fermentation, Oxydoréduction.
English descriptors
- KwdEn :
- Antioxidants (analysis), Ascomycota (enzymology), Ascomycota (metabolism), Basidiomycota (enzymology), Basidiomycota (metabolism), Catalase (analysis), Cellulose (metabolism), Fermentation (MeSH), Hydrolases (metabolism), Lignin (metabolism), Oxidation-Reduction (MeSH), Reactive Oxygen Species (metabolism), Reactive Oxygen Species (toxicity), Saccharum (metabolism), Superoxide Dismutase (analysis).
- MESH :
- chemical , analysis : Antioxidants, Catalase, Superoxide Dismutase.
- enzymology : Ascomycota, Basidiomycota.
- metabolism : Ascomycota, Basidiomycota, Cellulose, Hydrolases, Lignin, Reactive Oxygen Species, Saccharum.
- chemical , toxicity : Reactive Oxygen Species.
- Fermentation, Oxidation-Reduction.
Abstract
Fungi are used for the production of several compounds and the efficiency of biotechnological processes is directly related to the metabolic activity of these microorganisms. The reactions catalyzed by lignocellulolytic enzymes are oxidative and generate reactive oxygen species (ROS). Excess of ROS can cause serious damages to cells, including cell death. Thus, the objective of this work was to evaluate the lignocellulolytic enzymes produced by Pleurotus sajor-caju CCB020, Phanerochaete chrysosporium ATCC 28326, Trichoderma reesei RUT-C30, and Aspergillus niger IZ-9 grown in sugarcane bagasse and two yeast extract (YE) concentrations and characterize the antioxidant defense system of fungal cells by the activities of superoxide dismutase (SOD) and catalase (CAT). Pleurotus sajor-caju exhibited the highest activities of laccase and peroxidase in sugarcane bagasse with 2.6 g of YE and an increased activity of manganese peroxidase in sugarcane bagasse with 1.3 g of YE was observed. However, P. chrysosporium showed the highest activities of exoglucanase and endoglucanase in sugarcane bagasse with 1.3 g of YE. Lipid peroxidation and variations in SOD and CAT activities were observed during the production of lignocellulolytic enzymes and depending on the YE concentrations. The antioxidant defense system was induced in response to the oxidative stress caused by imbalances between the production and the detoxification of ROS.
DOI: 10.1007/s10123-018-00045-1
PubMed: 30810986
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<term>Basidiomycota (enzymology)</term>
<term>Basidiomycota (metabolism)</term>
<term>Catalase (analysis)</term>
<term>Cellulose (metabolism)</term>
<term>Fermentation (MeSH)</term>
<term>Hydrolases (metabolism)</term>
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<term>Basidiomycota (métabolisme)</term>
<term>Catalase (analyse)</term>
<term>Cellulose (métabolisme)</term>
<term>Espèces réactives de l'oxygène (métabolisme)</term>
<term>Espèces réactives de l'oxygène (toxicité)</term>
<term>Fermentation (MeSH)</term>
<term>Hydrolases (métabolisme)</term>
<term>Lignine (métabolisme)</term>
<term>Oxydoréduction (MeSH)</term>
<term>Saccharum (métabolisme)</term>
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<front><div type="abstract" xml:lang="en">Fungi are used for the production of several compounds and the efficiency of biotechnological processes is directly related to the metabolic activity of these microorganisms. The reactions catalyzed by lignocellulolytic enzymes are oxidative and generate reactive oxygen species (ROS). Excess of ROS can cause serious damages to cells, including cell death. Thus, the objective of this work was to evaluate the lignocellulolytic enzymes produced by Pleurotus sajor-caju CCB020, Phanerochaete chrysosporium ATCC 28326, Trichoderma reesei RUT-C30, and Aspergillus niger IZ-9 grown in sugarcane bagasse and two yeast extract (YE) concentrations and characterize the antioxidant defense system of fungal cells by the activities of superoxide dismutase (SOD) and catalase (CAT). Pleurotus sajor-caju exhibited the highest activities of laccase and peroxidase in sugarcane bagasse with 2.6 g of YE and an increased activity of manganese peroxidase in sugarcane bagasse with 1.3 g of YE was observed. However, P. chrysosporium showed the highest activities of exoglucanase and endoglucanase in sugarcane bagasse with 1.3 g of YE. Lipid peroxidation and variations in SOD and CAT activities were observed during the production of lignocellulolytic enzymes and depending on the YE concentrations. The antioxidant defense system was induced in response to the oxidative stress caused by imbalances between the production and the detoxification of ROS.</div>
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<ArticleTitle>Role of the antioxidant defense system during the production of lignocellulolytic enzymes by fungi.</ArticleTitle>
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<Abstract><AbstractText>Fungi are used for the production of several compounds and the efficiency of biotechnological processes is directly related to the metabolic activity of these microorganisms. The reactions catalyzed by lignocellulolytic enzymes are oxidative and generate reactive oxygen species (ROS). Excess of ROS can cause serious damages to cells, including cell death. Thus, the objective of this work was to evaluate the lignocellulolytic enzymes produced by Pleurotus sajor-caju CCB020, Phanerochaete chrysosporium ATCC 28326, Trichoderma reesei RUT-C30, and Aspergillus niger IZ-9 grown in sugarcane bagasse and two yeast extract (YE) concentrations and characterize the antioxidant defense system of fungal cells by the activities of superoxide dismutase (SOD) and catalase (CAT). Pleurotus sajor-caju exhibited the highest activities of laccase and peroxidase in sugarcane bagasse with 2.6 g of YE and an increased activity of manganese peroxidase in sugarcane bagasse with 1.3 g of YE was observed. However, P. chrysosporium showed the highest activities of exoglucanase and endoglucanase in sugarcane bagasse with 1.3 g of YE. Lipid peroxidation and variations in SOD and CAT activities were observed during the production of lignocellulolytic enzymes and depending on the YE concentrations. The antioxidant defense system was induced in response to the oxidative stress caused by imbalances between the production and the detoxification of ROS.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pompeu</LastName>
<ForeName>Georgia B</ForeName>
<Initials>GB</Initials>
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<AffiliationInfo><Affiliation>Laboratório de Ecologia Aplicada, Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil. gbpompeu@gmail.com.</Affiliation>
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<Author ValidYN="Y"><LastName>Pietrobon</LastName>
<ForeName>Vivian C</ForeName>
<Initials>VC</Initials>
<AffiliationInfo><Affiliation>Laboratório de Ecologia Aplicada, Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil.</Affiliation>
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<ForeName>Cristiane C F</ForeName>
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<Author ValidYN="Y"><LastName>Ferreira</LastName>
<ForeName>Luiz F R</ForeName>
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<AffiliationInfo><Affiliation>Instituto de Tecnologia e Pesquisa, Universidade Tiradentes, Aracaju, SE, 49032-490, Brazil.</Affiliation>
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<ForeName>Sergio B</ForeName>
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<ForeName>Sandra H</ForeName>
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<AffiliationInfo><Affiliation>Laboratório de Ecologia Aplicada, Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba, SP, 13400-970, Brazil.</Affiliation>
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<Language>eng</Language>
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<Agency>Conselho Nacional de Desenvolvimento Científico e Tecnológico</Agency>
<Country></Country>
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<ArticleDate DateType="Electronic"><Year>2018</Year>
<Month>11</Month>
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<MedlineTA>Int Microbiol</MedlineTA>
<NlmUniqueID>9816585</NlmUniqueID>
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<MeshHeading><DescriptorName UI="D031786" MajorTopicYN="N">Saccharum</DescriptorName>
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<MeshHeading><DescriptorName UI="D013482" MajorTopicYN="N">Superoxide Dismutase</DescriptorName>
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<PubMedPubDate PubStatus="accepted"><Year>2018</Year>
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<ArticleId IdType="doi">10.1007/s10123-018-00045-1</ArticleId>
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