Detection of conjugative plasmids and evaluation of genotoxicity: Molecular detection and characterization of broad-host-range plasmids in soil bacteria and genotoxicity testing - Softcover

Anjum, Reshma

 
9783844389821: Detection of conjugative plasmids and evaluation of genotoxicity: Molecular detection and characterization of broad-host-range plasmids in soil bacteria and genotoxicity testing

Synopsis

The present study revealed that the soil was highly contaminated with the pesticides as well as with several heavy metals. IncP specific DNA sequences (trfA2 and oriT) were detected which revealed that IncP plasmids are prevalent in these Gram negative bacteria isolated from soil which was irrigated with wastewater discharged from industries. Present findings suggest the role of conjugative plasmids as contributors to maintenance and spread of adaptive traits (pesticide tolerance/metal and antibiotic resistance) in microbial communities. In this study, transconjugants isolated by exogenous plasmid isolation in biparental mating indicates that genes for the tolerance of pesticides and metals/antibiotic resistance can be distributed by conjugative plasmids in the natural environment. Our results suggest that wastewater and soil at an industrial area near a pesticide industry contained certain genotoxic agents which are capable of inducing mutations.

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About the Author

I have completed my master’s degree in Biotechnology from University of Lucknow, India and completed Ph.D. programme under supervision of Dr. Abdul Malik, Chairman in dept. of Ag. Microbiology A.M.U. India. The results of my PhD thesis resulted in four research papers and two book chapters (Springer).

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