期刊
INTERNATIONAL BIODETERIORATION & BIODEGRADATION
卷 66, 期 1, 页码 25-32出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ibiod.2011.10.005
关键词
Biodecolourization; Dyes; Yeasts; Las Yungas; Decolourization
资金
- Agencia Nacional de Promocion Cientifica y Tecnologica-FONCYT
- Consejo Nacional de Investigaciones Cientificas y Tecnicas. CONICET
- Consejo de Investigaciones de la Universidad Nacional de Tucuman, CIUNT
Thirty-nine yeast isolates from Laurel del Monte underlying soil from Las Yungas rainforest (Tucuman, Argentina) were obtained following an isolation scheme on both, dye tolerance and assimilation. Fifteen isolates were selected based on their ability to decolourize agar plates containing four industrial textile dyes, either alone or as a mixture. Eight isolates were further selected according to their assimilation of dyes as sole Carbon/energy or Nitrogen source. Selected yeasts belonged to the basidiomycetous genus Trichosporon and the ascomycetous genera Cyberlindnera, Barnettozyma and Candida. Decolourization, biomass production and enzymatic production of manganese peroxidase, laccase and tyrosinase were then studied in liquid media. Isolate Candida sp MM 4035 was selected for future experiments and further molecular characterization and physiological tests are in progress in order to achieve the potential description of a new ascomycetous yeast. (C) 2011 Elsevier Ltd. All rights reserved.
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