Abstract
POLYETHYLENE DEGRADING FUNGI ISOLATED FROM LOCAL DUMPSITE- OF SHIVAMOGGA DISTRICT
Sowmya H. V., Nayanashree G. and *B. Thippeswamy
ABSTRACT
Aspergillus fumigatus was isolated from a local dumpsite of Shivamogga district for use in the biodegradation of polyethylene. Soil sample of that dumpsite was used as source for isolation of the Aspergillus fumigatus. Degradation was carried out using surface sterilized polyethylene. Degradation was monitored by observing weight loss and changes in physical structure by Scanning Electron Microscopy (SEM) and Fourier Transform Infrared (FTIR) Spectroscopy. Aspergillus fumigatus was able to degrade surface sterilized polyethylene (1.6%). SEM and FTIR results also showed changes in the surface of polyethylene. Enzymes responsible for polyethylene degradation were screened from Aspergillus fumigatus. Enzymes were identified as laccase and manganese peroxidase. By observing these results we can conclude that, this organism may act as solution for the problem caused by polyethylene in nature.
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