dc.contributor | Universidade Federal de São Carlos (UFSCar) | |
dc.contributor | Universidade Estadual Paulista (Unesp) | |
dc.contributor | Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA) | |
dc.date.accessioned | 2020-12-10T19:39:46Z | |
dc.date.accessioned | 2022-12-19T20:15:06Z | |
dc.date.available | 2020-12-10T19:39:46Z | |
dc.date.available | 2022-12-19T20:15:06Z | |
dc.date.created | 2020-12-10T19:39:46Z | |
dc.date.issued | 2019-01-01 | |
dc.identifier | Anais Da Academia Brasileira De Ciencias. Rio Janeiro: Acad Brasileira De Ciencias, v. 91, n. 3, 11 p., 2019. | |
dc.identifier | 0001-3765 | |
dc.identifier | http://hdl.handle.net/11449/196285 | |
dc.identifier | 10.1590/0001-3765201920180583 | |
dc.identifier | S0001-37652019000500601 | |
dc.identifier | WOS:000493507500001 | |
dc.identifier | S0001-37652019000500601.pdf | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/5376922 | |
dc.description.abstract | Isolation and screening of new fungal strains from extreme and understudied environments. such as caves, is a promising approach to find higher yields enzyme producers. Cellulolytic fungal strains isolated from a Brazilian cave were evaluated for their enzymatic production after submerged (SmF) and solid-state fermentation (SSF). After SmF, three strains were selected for their high enzymatic activities: Aspergillus ustus for endoglucanase (4.76 U/mg), Talaromyces bruneus for beta-glucosidase (11.71 U/mg) and Aspergillus sp. (CBMAI 1926) for total cellulase (1.70 U/mg). After SSF, these strains, showed better yields compared to the reference strain Aspergillus niger 3T5B8. Aspergillus sp. (CBMAI 1926) stood out as a new species that expressed activity of total cellulases (0.10 U/mg) and low protein concentration (0.44 mg/mL). In conclusion, these isolated strains have a more efficient and promising cellulolytic enzyme complex that can be used in fermentation and saccharification processes with a lower protein concentration and a higher enzymatic activity than the reference strain. Therefore, beside the new genetic material characterized, our study highlights the benefits of cave extreme environments exploitation to find new potentially valuable strains. | |
dc.language | eng | |
dc.publisher | Acad Brasileira De Ciencias | |
dc.relation | Anais Da Academia Brasileira De Ciencias | |
dc.rights | Acesso aberto | |
dc.source | Web of Science | |
dc.subject | cellulases | |
dc.subject | fungu's cave | |
dc.subject | solid state fermentation | |
dc.subject | submerged fermentation | |
dc.subject | subterranean environment | |
dc.title | High cellulolytic activities in filamentous fungi isolated from an extreme oligotrophic subterranean environment (Catao cave) in Brazil | |
dc.type | Artículos de revistas | |