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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Jul 2021, 42 (4)                                     Back


nstantaneous and historical temperature effects on a-pinene

Probing cellulolytic yeast from forest ecosystem for the saccharification of Napier fodder biomass

 

M.G. Valliammai, N.O. Gopal* and R. Anandham 

Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore- 641 003, India

*Corresponding Author Email : nogopal@tnau.ac.in

 

 

Received: 24.12.2020                                                                Revised: 24.02.2021                                                    Accepted: 23.03.2021

 

 

 

Abstract

Aim: This study aimed to search for novel cellulolytic isolates with high cellulase titre for the production of fuels and chemicals.

Methodology: The yeast isolate YES5 isolated from the forest soil was screened for cellulase production. The cellulase activity of YES5 was optimized via RSM. The saccharification potential of YES5 using Napier biomass as substrate was evalauted.

Results: The maximum cellulase activity obtained after optimizing pH, temperature, and incubation period was 35.70 U. A reliable statistical model was developed for maximizing the cellulase activity in YES5 Trichosporon asahii. The cellulase activity was 23.87U, when carbon source in CMC medium was replaced by Napier biomass. The maximum saccharification potential of 33.15% was observed on 3rd day.      

Interpretation: The study of optimizing the media composition of Trichosporon asahii cellulase using Napier biomass, a natural source of carbon for maximizing the cellulase production via RSM, is first of its kind.       

Key words: Cellulase, Napier biomass, Saccharification, Trichosporon asahii

 

 

 

 

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