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Biopurification systems (BPS) are complex soil-related and artificially-generated environments usually designed for the removal of toxic compounds from contaminated wastewaters. The present study has been conducted to isolate and characterize a collection of cultivable plasmid-carrying bacterial isolates recovered from a BPS established for the decontamination of wastewater generated in a farmyard...
In spite of the contribution of plasmids to the spread of antibiotic resistance in human pathogens, little is known about the transferability of various drug resistance plasmids in bacterial biofilms. The goal of this study was to compare the efficiency of transfer of 19 multidrug resistance plasmids into Escherichia coli recipient biofilms and determine the effects of biofilm age, biofilm-donor exposure...
A large collection of naphthalene-degrading fluorescent Pseudomonas strains isolated from sites contaminated with coal tar and crude oil was screened for the presence of IncP-9 plasmids. Seventeen strains were found to carry naphthalene catabolic plasmids ranging in size from 83 to 120kb and were selected for further study. Results of molecular genotyping revealed that 15 strains were closely related...
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