NDLI: Successful genetic bioaugmentation with Pseudomonas putida for toluene degradation in soil columns : Engineering in situ microbial adaptation: a case study for genetic bioaugmentation in soil columns

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Successful genetic bioaugmentation with Pseudomonas putida for toluene degradation in soil columns : Engineering in situ microbial adaptation: a case study for genetic bioaugmentation in soil columns

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Environmental Chemistry Letters : Volume 11, Issue 3, September 2013

Environmental Chemistry Letters : Volume 11, Issue 2, June 2013

Environmental Chemistry Letters : Volume 11, Issue 1, March 2013

Environmental Chemistry Letters : Volume 10

Environmental Chemistry Letters : Volume 9

Environmental Chemistry Letters : Volume 8

Environmental Chemistry Letters : Volume 7

Environmental Chemistry Letters : Volume 6

Environmental Chemistry Letters : Volume 5

Environmental Chemistry Letters : Volume 4

Environmental Chemistry Letters : Volume 3

Environmental Chemistry Letters : Volume 2

Environmental Chemistry Letters : Volume 1

Successful genetic bioaugmentation with Pseudomonas putida for toluene degradation in soil columns : Engineering in situ microbial adaptation: a case study for genetic bioaugmentation in soil columns

Content Provider	Springer Nature Link
Author	Ikuma, Kaoru Gunsch, Claudia K.
Copyright Year	2013
Abstract	There is a strong need for effective and sustainable treatment methods for remediating soils and waters contaminated by fossil fuel pollutants such as aromatic hydrocarbons. Remediation could be improved by genetic bioaugmentation that uses conjugation of catabolic plasmids between bacteria. Research on the conditions for success, effectiveness, and long-term impact of genetic bioaugmentation are therefore necessary. Here the effects of genetic bioaugmentation with Pseudomonas putida BBC 443 was studied in continuous-flow soil columns with or without glucose amendment. Results show that the highest transconjugant occurrence of 21.7 ± 2.1 %, and development of microbial communities with the highest overall toluene degradation potential of 0.0790 ± 0.0055 mg toluene/g soil/h, were achieved in soil columns that received a continuous addition of 1 g/L glucose. Plasmid transfer and toluene biodegradation did not depend on the survival of donor P. putida BBC443, suggesting that genetic bioaugmentation was successful. Furthermore, bacterial community structure analysis revealed that genetic bioaugmentation had limited long-term impact on the soil bacterial community structures, regardless of the specific treatment. Our findings show that genetic bioaugmentation was successful and resulted in limited long-term ecological impact, thus demonstrating that genetic bioaugmentation can provide an effective and sustainable method for in situ bioremediation.
Starting Page	365
Ending Page	370
Page Count	6
File Format	PDF
ISSN	16103653
Journal	Environmental Chemistry Letters
Volume Number	11
Issue Number	4
e-ISSN	16103661
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-05-05
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Genetic bioaugmentation TOL plasmid Horizontal gene transfer In situ soil bioremediation Environmental Chemistry Ecotoxicology Pollution Analytical Chemistry Geochemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry

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Successful genetic bioaugmentation with Pseudomonas putida for toluene degradation in soil columns : Engineering in situ microbial adaptation: a case study for genetic bioaugmentation in soil columns

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Successful genetic bioaugmentation with Pseudomonas putida for toluene degradation in soil columns : Engineering in situ microbial adaptation: a case study for genetic bioaugmentation in soil columns