NDLI: Aerobic degradation of 3-chlorobenzoic acid by an indigenous strain isolated from a polluted river

Content Provider	Springer Nature Link
Author	Gallego, Alfredo Gemini, Virginia L. Rossen, Ariana A. Rossi, Susana L. Trípodi, Valeria Corach, Daniel Planes, Estela Korol, Sonia E.
Copyright Year	2011
Abstract	An indigenous strain of Pseudomonas putida capable of degrading 3-chlorobenzoic acid as the sole carbon source was isolated from the Riachuelo, a polluted river in Buenos Aires. Aerobic biodegradation assays were performed using a 2-l microfermentor. Biodegradation was evaluated by spectrophotometry, chloride release, gas chromatography and microbial growth. Detoxification was evaluated by using Vibrio fischeri, Pseudokirchneriella subcapitata and Lactuca sativa as test organisms. The indigenous bacterial strain degrades 100 mg l$^{−1}$ 3-chlorobenzoic acid in 14 h with a removal efficiency of 92.0 and 86.1% expressed as compound and chemical oxygen demand removal, respectively. The strain was capable of degrading up to 1,000 mg of the compound l$^{−1}$. Toxicity was not detected at the end of the biodegradation process. Besides initial concentration, the effect of different factors, such as initial pH, initial inoculum, adaptation to the compound and presence of other substrates and toxic related compounds, was studied.
Starting Page	1245
Ending Page	1252
Page Count	8
File Format	PDF
ISSN	09593993
Journal	World Journal of Microbiology and Biotechnology
Volume Number	28
Issue Number	3
e-ISSN	15730972
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-11-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	3-Chlorobenzoic acid Biodegradation Detoxification Indigenous strain Biotechnology Microbiology Biochemistry Applied Microbiology Environmental Engineering/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Physiology Medicine Applied Microbiology and Biotechnology Biotechnology

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