Melanoidin-containing wastewaters induce selective laccase gene expression in the white-rot fungus Trametes sp. I-62
Wastewaters generated from the production of ethanol from sugar cane molasses may have detrimental effects on the environment due to their high chemical oxygen demand and dark brown color. The color is mainly associated with the presence of melanoidins, which are highly recalcitrant to biodegradatio...
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| Veröffentlicht in: | Research in microbiology 2008-03, Vol.159 (2), p.103-109 |
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| creator | González, Tania Terrón, María Carmen Yagüe, Susana Junca, Howard Carbajo, José María Zapico, Ernesto Javier Silva, Ricardo Arana-Cuenca, Ainhoa Téllez, Alejandro González, Aldo Enrique |
| description | Wastewaters generated from the production of ethanol from sugar cane molasses may have detrimental effects on the environment due to their high chemical oxygen demand and dark brown color. The color is mainly associated with the presence of melanoidins, which are highly recalcitrant to biodegradation. We report here the induction of laccases by molasses wastewaters and molasses melanoidins in the basidiomycetous fungus Trametes sp. I-62. The time course of effluent decolorization and laccase activity in the culture supernatant of the fungus were correlated. The expression of laccase genes lcc1 and lcc2 increased as a result of the addition of complete molasses wastewater and its high molecular weight fraction to fungal cultures. This is the first time differential laccase gene expression has been reported to occur upon exposure of fungal cultures to molasses wastewaters and their melanoidins. |
| doi_str_mv | 10.1016/j.resmic.2007.10.005 |
| format | Article |
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The time course of effluent decolorization and laccase activity in the culture supernatant of the fungus were correlated. The expression of laccase genes lcc1 and lcc2 increased as a result of the addition of complete molasses wastewater and its high molecular weight fraction to fungal cultures. 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I-62</title><title>Research in microbiology</title><addtitle>Res Microbiol</addtitle><description>Wastewaters generated from the production of ethanol from sugar cane molasses may have detrimental effects on the environment due to their high chemical oxygen demand and dark brown color. The color is mainly associated with the presence of melanoidins, which are highly recalcitrant to biodegradation. We report here the induction of laccases by molasses wastewaters and molasses melanoidins in the basidiomycetous fungus Trametes sp. I-62. The time course of effluent decolorization and laccase activity in the culture supernatant of the fungus were correlated. The expression of laccase genes lcc1 and lcc2 increased as a result of the addition of complete molasses wastewater and its high molecular weight fraction to fungal cultures. This is the first time differential laccase gene expression has been reported to occur upon exposure of fungal cultures to molasses wastewaters and their melanoidins.</description><subject>Basidiomycete</subject><subject>Biodegradation</subject><subject>Biodegradation, Environmental</subject><subject>Decolorization</subject><subject>Fungi</subject><subject>Gene Expression Regulation, Fungal</subject><subject>Laccase</subject><subject>Laccase - genetics</subject><subject>Laccase - metabolism</subject><subject>Ligninolytic enzymes</subject><subject>Melanoidin</subject><subject>Molasses - analysis</subject><subject>Molasses wastewaters</subject><subject>Polymers - metabolism</subject><subject>Polyporales - enzymology</subject><subject>Polyporales - genetics</subject><subject>Polyporales - metabolism</subject><subject>Trametes</subject><subject>Transcription, Genetic</subject><subject>Waste Disposal, Fluid</subject><issn>0923-2508</issn><issn>1769-7123</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kEtv1DAURi0EokPhHyDkFbuktuNHskFCFY9KRWzK2vI411OPEmfwdTrw7_FoRmLX1ZWuzncfh5D3nLWccX2zbzPgHH0rGDO11TKmXpANN3poDBfdS7Jhg-gaoVh_Rd4g7hnjyhj5mlzxXsh-0GJDyg-YXFriGFPjl1RcTDHt6NFhgaMrkJHGNK4eKMIEvsQnoJPz3iHQHSSg8OdQ78C4pArS8gj0-BgLNHkpNKxptyJ9yG6GAkjx0NK7Rou35FVwE8K7S70mv75-ebj93tz__HZ3-_m-8bIzpZFCBNFJro12QvSSmxC83hqQXZBbpdjIWD-EwXNmvFPByFEHpxg3Qrkw-u6afDzPPeTl9wpY7BzRw1Q_hmVFK1gvhVaigvIM-rwgZgj2kOPs8l_LmT3Ztnt7tm1Ptk_darvGPlzmr9sZxv-hi94KfDoDUL98ipAt-gjJwxhzlWnHJT6_4R8wrpPL</recordid><startdate>200803</startdate><enddate>200803</enddate><creator>González, Tania</creator><creator>Terrón, María Carmen</creator><creator>Yagüe, Susana</creator><creator>Junca, Howard</creator><creator>Carbajo, José María</creator><creator>Zapico, Ernesto Javier</creator><creator>Silva, Ricardo</creator><creator>Arana-Cuenca, Ainhoa</creator><creator>Téllez, Alejandro</creator><creator>González, Aldo Enrique</creator><general>Elsevier Masson SAS</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7T7</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>200803</creationdate><title>Melanoidin-containing wastewaters induce selective laccase gene expression in the white-rot fungus Trametes sp. I-62</title><author>González, Tania ; Terrón, María Carmen ; Yagüe, Susana ; Junca, Howard ; Carbajo, José María ; Zapico, Ernesto Javier ; Silva, Ricardo ; Arana-Cuenca, Ainhoa ; Téllez, Alejandro ; González, Aldo Enrique</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c437t-422f2341676a228417ffc6b7e43f4b550d0089f9c107ca5f74d6fa501725afdc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Basidiomycete</topic><topic>Biodegradation</topic><topic>Biodegradation, Environmental</topic><topic>Decolorization</topic><topic>Fungi</topic><topic>Gene Expression Regulation, Fungal</topic><topic>Laccase</topic><topic>Laccase - genetics</topic><topic>Laccase - metabolism</topic><topic>Ligninolytic enzymes</topic><topic>Melanoidin</topic><topic>Molasses - analysis</topic><topic>Molasses wastewaters</topic><topic>Polymers - metabolism</topic><topic>Polyporales - enzymology</topic><topic>Polyporales - genetics</topic><topic>Polyporales - metabolism</topic><topic>Trametes</topic><topic>Transcription, Genetic</topic><topic>Waste Disposal, Fluid</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>González, Tania</creatorcontrib><creatorcontrib>Terrón, María Carmen</creatorcontrib><creatorcontrib>Yagüe, Susana</creatorcontrib><creatorcontrib>Junca, Howard</creatorcontrib><creatorcontrib>Carbajo, José María</creatorcontrib><creatorcontrib>Zapico, Ernesto Javier</creatorcontrib><creatorcontrib>Silva, Ricardo</creatorcontrib><creatorcontrib>Arana-Cuenca, Ainhoa</creatorcontrib><creatorcontrib>Téllez, Alejandro</creatorcontrib><creatorcontrib>González, Aldo Enrique</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Research in microbiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>González, Tania</au><au>Terrón, María Carmen</au><au>Yagüe, Susana</au><au>Junca, Howard</au><au>Carbajo, José María</au><au>Zapico, Ernesto Javier</au><au>Silva, Ricardo</au><au>Arana-Cuenca, Ainhoa</au><au>Téllez, Alejandro</au><au>González, Aldo Enrique</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Melanoidin-containing wastewaters induce selective laccase gene expression in the white-rot fungus Trametes sp. 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| subjects | Basidiomycete Biodegradation Biodegradation, Environmental Decolorization Fungi Gene Expression Regulation, Fungal Laccase Laccase - genetics Laccase - metabolism Ligninolytic enzymes Melanoidin Molasses - analysis Molasses wastewaters Polymers - metabolism Polyporales - enzymology Polyporales - genetics Polyporales - metabolism Trametes Transcription, Genetic Waste Disposal, Fluid |
| title | Melanoidin-containing wastewaters induce selective laccase gene expression in the white-rot fungus Trametes sp. I-62 |
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