Cellulolytic ability of a promising Irpex lacteus (Basidiomycota: Polyporales) strain from the subtropical rainforest of Misiones province, Argentina

The cellulolytic activity of fungi growing in the subtropical rainforest of Misiones (Argentina) represents a challenge in the technological development of the production of cellulosic bioethanol in the region using native sources. These fungi are promising to obtain sustainable enzyme cocktails usi...

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Autores principales: Giorgio, Ernesto Martín, Villalba, Laura, Robledo, Gerardo Lucio, Zapata, Pedro Darío, Saparrat, Mario Carlos Nazareno
Formato: Articulo
Lenguaje:Inglés
Publicado: 2018
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/100922
https://ri.conicet.gov.ar/11336/82175
https://revistas.ucr.ac.cr/index.php/rbt/article/view/30589
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id I19-R120-10915-100922
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Biología
4-glucanase
Cellulases
Endo-β-1
FPase
Irpex lacteus
White-rot fungi
Hongos de pudrición blanca
spellingShingle Biología
4-glucanase
Cellulases
Endo-β-1
FPase
Irpex lacteus
White-rot fungi
Hongos de pudrición blanca
Giorgio, Ernesto Martín
Villalba, Laura
Robledo, Gerardo Lucio
Zapata, Pedro Darío
Saparrat, Mario Carlos Nazareno
Cellulolytic ability of a promising Irpex lacteus (Basidiomycota: Polyporales) strain from the subtropical rainforest of Misiones province, Argentina
topic_facet Biología
4-glucanase
Cellulases
Endo-β-1
FPase
Irpex lacteus
White-rot fungi
Hongos de pudrición blanca
description The cellulolytic activity of fungi growing in the subtropical rainforest of Misiones (Argentina) represents a challenge in the technological development of the production of cellulosic bioethanol in the region using native sources. These fungi are promising to obtain sustainable enzyme cocktails using their enzymes. Cellulolytic ability of 22 white-rot fungi isolated from the subtropical rainforest of Misiones-Argentina in agar medium with two types of cellulosic substrates, carboxy-methylcellulose or crystalline cellulose, were comparatively analyzed, and the activity of two cellulolytic enzymes was evaluated in liquid medium. Although all isolates were able to grow and degrade both substrates in agar medium, and to produce total cellulaseFilter paper (FPase) and endo-β-1,4-glucanase (EG) activities in broth, the isolate Irpex sp. LBM 034 showed the greatest enzymatic levels (FPase, 65.45 U L-1; EG, 221.21 U L-1). Therefore, the ITS sequence of this fungus was sequenced and analyzed through a phylogenetic analysis. These results indicate that the isolate LBM 034, corresponding to Irpex lacteus, has a promising cellulolytic ability and enzymes such as EG useful in sustainable saccharification of cellulosic materials in the region.
format Articulo
Articulo
author Giorgio, Ernesto Martín
Villalba, Laura
Robledo, Gerardo Lucio
Zapata, Pedro Darío
Saparrat, Mario Carlos Nazareno
author_facet Giorgio, Ernesto Martín
Villalba, Laura
Robledo, Gerardo Lucio
Zapata, Pedro Darío
Saparrat, Mario Carlos Nazareno
author_sort Giorgio, Ernesto Martín
title Cellulolytic ability of a promising Irpex lacteus (Basidiomycota: Polyporales) strain from the subtropical rainforest of Misiones province, Argentina
title_short Cellulolytic ability of a promising Irpex lacteus (Basidiomycota: Polyporales) strain from the subtropical rainforest of Misiones province, Argentina
title_full Cellulolytic ability of a promising Irpex lacteus (Basidiomycota: Polyporales) strain from the subtropical rainforest of Misiones province, Argentina
title_fullStr Cellulolytic ability of a promising Irpex lacteus (Basidiomycota: Polyporales) strain from the subtropical rainforest of Misiones province, Argentina
title_full_unstemmed Cellulolytic ability of a promising Irpex lacteus (Basidiomycota: Polyporales) strain from the subtropical rainforest of Misiones province, Argentina
title_sort cellulolytic ability of a promising irpex lacteus (basidiomycota: polyporales) strain from the subtropical rainforest of misiones province, argentina
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/100922
https://ri.conicet.gov.ar/11336/82175
https://revistas.ucr.ac.cr/index.php/rbt/article/view/30589
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