PJB-2020-55
EXPLORATION OF BIOPOLYMER PRODUCING PLANTS PATHOGEN FROM NATIVE FLORA OF KARACHI
RASHIDA RAHMAT ZOHRA
Abstract
Biopolymers are making their way into the global market very rapidly owing to their biodegradability and environmental friendly characteristics. Xanthan, a microbial polysaccharide is being produced by plant pathogens. It is widely used in numerous industrial applications. In the current study, plant pathogenic bacterial strains were isolated from infected plants and screened for biopolymer production. Several strains having higher yield of polymer were further subjected to the physicochemical and genomic analysis. The highest biopolymer producing strain Stenotrophomonas maltophilia X2 was found to be novel in commercial exploitation for biopolymer production. It was concluded that, the strain Stenotrophomonas maltophilia X2 can produce higher yield of biopolymer under static condition; in self formulated medium containing 5% sucrose at pH 7.0 when incubated at 28°C for 120 hours.
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