Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification

Autores
Romero, María Cristina; Reinoso, Enso Hugo; Urrutia, María Inés; Moreno Kiernan, Alejandro Ricardo
Año de publicación
2006
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
At present, it is common to observe environments with organic and inorganic pollution, defined as co-contamination. Most industrial and urban effluents releases both pollutant types, leading to a complex environmental problem, as the biota must be tolerant to both xenobiotics. T. helicus, an efficient strain to degrade biphenyl, was trained with high copper levels, and became co tolerant to cobalt, lead and cadmium when was cultured in their presence. The copper adaptation was the result of physiological mechanisms, and the activated biochemical processes conferred resistance to Cu2+ as well as to other heavy metals. Furthermore, the Cu2+ adaptation of the mycelium was also transferred to the spores, that removed twice as much copper from solution than those of the no trained parentals. Interestingly, metals combinations were less toxic than single ones, and co tolerance development indicated that the cellular mechanisms that conferred resistance were non-specific, so the micobiota isolated from co contaminated environments often exhibited resistance to more than one ions. These results emphasized the detoxification abilities of T. helicus and the adaptation to heavy metals and biarylic compounds. This data is significant for the environmental biotechnology, suggesting that such tolerance and co tolerance could be acquired in natural environments. So a simple bioremediation strategy could enhance the detoxification of these polluted areas, as the degrader organisms could be present.
Facultad de Ciencias Veterinarias
Facultad de Ciencias Agrarias y Forestales
Materia
Biología
Biodegradation
Biphenyl
Cocontaminated sites
Cotolerance
Metal sorption
Talaromyces helicus
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-nd/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/108599

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network_name_str SEDICI (UNLP)
spelling Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxificationRomero, María CristinaReinoso, Enso HugoUrrutia, María InésMoreno Kiernan, Alejandro RicardoBiologíaBiodegradationBiphenylCocontaminated sitesCotoleranceMetal sorptionTalaromyces helicusAt present, it is common to observe environments with organic and inorganic pollution, defined as co-contamination. Most industrial and urban effluents releases both pollutant types, leading to a complex environmental problem, as the biota must be tolerant to both xenobiotics. T. helicus, an efficient strain to degrade biphenyl, was trained with high copper levels, and became co tolerant to cobalt, lead and cadmium when was cultured in their presence. The copper adaptation was the result of physiological mechanisms, and the activated biochemical processes conferred resistance to Cu2+ as well as to other heavy metals. Furthermore, the Cu2+ adaptation of the mycelium was also transferred to the spores, that removed twice as much copper from solution than those of the no trained parentals. Interestingly, metals combinations were less toxic than single ones, and co tolerance development indicated that the cellular mechanisms that conferred resistance were non-specific, so the micobiota isolated from co contaminated environments often exhibited resistance to more than one ions. These results emphasized the detoxification abilities of T. helicus and the adaptation to heavy metals and biarylic compounds. This data is significant for the environmental biotechnology, suggesting that such tolerance and co tolerance could be acquired in natural environments. So a simple bioremediation strategy could enhance the detoxification of these polluted areas, as the degrader organisms could be present.Facultad de Ciencias VeterinariasFacultad de Ciencias Agrarias y Forestales2006info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf221-226http://sedici.unlp.edu.ar/handle/10915/108599enginfo:eu-repo/semantics/altIdentifier/issn/0717-3458info:eu-repo/semantics/altIdentifier/doi/10.2225/vol9-issue3-fulltext-11info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0/Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:24:37Zoai:sedici.unlp.edu.ar:10915/108599Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:24:37.895SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification
title Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification
spellingShingle Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification
Romero, María Cristina
Biología
Biodegradation
Biphenyl
Cocontaminated sites
Cotolerance
Metal sorption
Talaromyces helicus
title_short Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification
title_full Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification
title_fullStr Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification
title_full_unstemmed Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification
title_sort Biosorption of heavy metals by Talaromyces helicus: a trained fungus for copper and biphenyl detoxification
dc.creator.none.fl_str_mv Romero, María Cristina
Reinoso, Enso Hugo
Urrutia, María Inés
Moreno Kiernan, Alejandro Ricardo
author Romero, María Cristina
author_facet Romero, María Cristina
Reinoso, Enso Hugo
Urrutia, María Inés
Moreno Kiernan, Alejandro Ricardo
author_role author
author2 Reinoso, Enso Hugo
Urrutia, María Inés
Moreno Kiernan, Alejandro Ricardo
author2_role author
author
author
dc.subject.none.fl_str_mv Biología
Biodegradation
Biphenyl
Cocontaminated sites
Cotolerance
Metal sorption
Talaromyces helicus
topic Biología
Biodegradation
Biphenyl
Cocontaminated sites
Cotolerance
Metal sorption
Talaromyces helicus
dc.description.none.fl_txt_mv At present, it is common to observe environments with organic and inorganic pollution, defined as co-contamination. Most industrial and urban effluents releases both pollutant types, leading to a complex environmental problem, as the biota must be tolerant to both xenobiotics. T. helicus, an efficient strain to degrade biphenyl, was trained with high copper levels, and became co tolerant to cobalt, lead and cadmium when was cultured in their presence. The copper adaptation was the result of physiological mechanisms, and the activated biochemical processes conferred resistance to Cu2+ as well as to other heavy metals. Furthermore, the Cu2+ adaptation of the mycelium was also transferred to the spores, that removed twice as much copper from solution than those of the no trained parentals. Interestingly, metals combinations were less toxic than single ones, and co tolerance development indicated that the cellular mechanisms that conferred resistance were non-specific, so the micobiota isolated from co contaminated environments often exhibited resistance to more than one ions. These results emphasized the detoxification abilities of T. helicus and the adaptation to heavy metals and biarylic compounds. This data is significant for the environmental biotechnology, suggesting that such tolerance and co tolerance could be acquired in natural environments. So a simple bioremediation strategy could enhance the detoxification of these polluted areas, as the degrader organisms could be present.
Facultad de Ciencias Veterinarias
Facultad de Ciencias Agrarias y Forestales
description At present, it is common to observe environments with organic and inorganic pollution, defined as co-contamination. Most industrial and urban effluents releases both pollutant types, leading to a complex environmental problem, as the biota must be tolerant to both xenobiotics. T. helicus, an efficient strain to degrade biphenyl, was trained with high copper levels, and became co tolerant to cobalt, lead and cadmium when was cultured in their presence. The copper adaptation was the result of physiological mechanisms, and the activated biochemical processes conferred resistance to Cu2+ as well as to other heavy metals. Furthermore, the Cu2+ adaptation of the mycelium was also transferred to the spores, that removed twice as much copper from solution than those of the no trained parentals. Interestingly, metals combinations were less toxic than single ones, and co tolerance development indicated that the cellular mechanisms that conferred resistance were non-specific, so the micobiota isolated from co contaminated environments often exhibited resistance to more than one ions. These results emphasized the detoxification abilities of T. helicus and the adaptation to heavy metals and biarylic compounds. This data is significant for the environmental biotechnology, suggesting that such tolerance and co tolerance could be acquired in natural environments. So a simple bioremediation strategy could enhance the detoxification of these polluted areas, as the degrader organisms could be present.
publishDate 2006
dc.date.none.fl_str_mv 2006
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/108599
url http://sedici.unlp.edu.ar/handle/10915/108599
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0717-3458
info:eu-repo/semantics/altIdentifier/doi/10.2225/vol9-issue3-fulltext-11
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
dc.format.none.fl_str_mv application/pdf
221-226
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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