NDLI: Plasmid-Mediated Biodegradation of the Anionic Surfactant Sodium Dodecyl Sulphate, by Pseudomonas aeruginosa S7

Content Provider	Springer Nature Link
Author	Yeldho, Deepthi Rebello, Sharrel Jisha, M. S.
Copyright Year	2010
Abstract	Sodium dodecyl sulphate (SDS), an anionic surfactant, has been used extensively due to its low cost and excellent foaming properties. Fifteen different bacterial isolates capable of degrading SDS were isolated from detergent contaminated soil by enrichment culture technique and the degradation efficiency was assessed by Methylene Blue Active Substances (MBAS) assay. The most efficient SDS degrading isolate was selected and identified as Pseudomonas aeruginosa S7. The selected isolate was found to harbor a single 6-kb plasmid. Acridine orange, ethidium bromide, SDS and elevated temperatures of incubation failed to cure the plasmid. The cured derivatives of SDS degrading Pseudomonas aeruginosa were obtained only when ethidium bromide and elevated temperature (40°C) were used together. Transformation of E. coli DH5α with plasmid isolated from S7 resulted in subsequent growth of the transformants on minimal salt media with SDS (0.1%) as the sole source of carbon. The SDS degradation ability of S7 and the transformant was found to be similar as assessed by Methylene Blue Active Substance Assay. The antibiotic resistance profiles of S7, competent DH5α and transformant were analyzed and it was noted that the transfer of antibiotic resistance correlated with the transfer of plasmid as well as SDS degrading property.
Starting Page	110
Ending Page	113
Page Count	4
File Format	PDF
ISSN	00074861
Journal	Bulletin of Environmental Contamination and Toxicology
Volume Number	86
Issue Number	1
e-ISSN	14320800
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-12-09
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sodium dodecyl sulphate Pseudomonas aeruginosa Curing Transformation Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Environmental Chemistry Soil Science & Conservation Ecotoxicology Environmental Health Pollution
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Pollution Medicine Toxicology

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