Objective:To evaluate the biodegrading property against carcinogenic azo dyes using bacterial isolates of mangrove sediment.Methods:The bacterial isolates were subjected to submerged fermentation and their growth kine...Objective:To evaluate the biodegrading property against carcinogenic azo dyes using bacterial isolates of mangrove sediment.Methods:The bacterial isolates were subjected to submerged fermentation and their growth kinetics were studied.The potential strain was characterized using 16S rDNA sequencing.Results:In the present study,dye degrading bacterial colonies were isolated from the mangrove sediment samples of Parangipettai estuarine area,Tamil Nadu.Of the 30 morphologically different strains isolated,5 showed antagonistic property.The growth kinetics of the two strains,P1 and G1,which showed potent activity were calculated.One particular isolate(P1)showing promising dye degrading potential in the submerged fermentation was further characterized.The strain was identified as Paenibacillus sp.by 16S rDNA sequencing.Conclusions:This study reveals the less explored microflora of mangrove sediments.The novel strain may further be analyzed and used in the treatment of effluent from dye industry so as to reduce the impact of carcinogenic contaminants.展开更多
基金Supported by Department of Biotechnology,Government of India(BT/AAQ/Indo-Norway/183196/2007).
文摘Objective:To evaluate the biodegrading property against carcinogenic azo dyes using bacterial isolates of mangrove sediment.Methods:The bacterial isolates were subjected to submerged fermentation and their growth kinetics were studied.The potential strain was characterized using 16S rDNA sequencing.Results:In the present study,dye degrading bacterial colonies were isolated from the mangrove sediment samples of Parangipettai estuarine area,Tamil Nadu.Of the 30 morphologically different strains isolated,5 showed antagonistic property.The growth kinetics of the two strains,P1 and G1,which showed potent activity were calculated.One particular isolate(P1)showing promising dye degrading potential in the submerged fermentation was further characterized.The strain was identified as Paenibacillus sp.by 16S rDNA sequencing.Conclusions:This study reveals the less explored microflora of mangrove sediments.The novel strain may further be analyzed and used in the treatment of effluent from dye industry so as to reduce the impact of carcinogenic contaminants.
