Identification and Biodegradation Potential of a Novel Strain of Kosakonia oryzae Isolated from a Polyoxyethylene Tallow Amine Paddy Soil

Polyoxyethylene tallow amine (POEA) is a nonionic surfactant added to insecticide and herbicide formulations. Experimental data have been shown the toxic effects of POEA on aquatic organisms and remain to be a serious concern. In this study, total of thirty-two potential bacteria that were isolated...

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Bibliographic Details
Published in:Current microbiology 2021-08, Vol.78 (8), p.3173-3180
Main Authors: Nguyen, Ngoc Tuan, Pham, Thi Thanh Tra, Tran, Tuyet Nhung, Kumar, V. Bharath, Saikia, Surovi, Kiefer, Rudolf
Format: Article
Language:English
Subjects:
Aquatic organisms
Bacteria
Biodegradation
Biomedical and Life Sciences
Bioremediation
Biotechnology
Carbon
Carbon sources
Energy sources
Herbicides
High-performance liquid chromatography
Insecticides
Kosakonia oryzae
Life Sciences
Liquid chromatography
Microbiology
Phylogenetics
Pollutants
Polyoxyethylene
Response surface methodology
rRNA 16S
Soil contamination
Soil pollution
Spectrophotometry
Target detection
Utilization
Variables
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Summary:Polyoxyethylene tallow amine (POEA) is a nonionic surfactant added to insecticide and herbicide formulations. Experimental data have been shown the toxic effects of POEA on aquatic organisms and remain to be a serious concern. In this study, total of thirty-two potential bacteria that were isolated from herbicide-contaminated soil samples showed the ability to use POEA as the sole carbon and energy source. In which, a bacterial strain LA was further investigated based on the efficiency utilization of POEA and classified as Kosakonia oryzae by the 16S rRNA gene. Response surface methodology was successfully applied to understand the interaction of distinct factors on POEA degradation by LA strain. Degradation of POEA was confirmed with UV–Visible spectrophotometric analysis and HPLC analysis. The POEA utilization mechanism was explored by target gene detection and carbon source utilization. The results indicate that strain LA has the potential to serve as an in situ candidate for bioremediation polluted by POEA.
ISSN:0343-8651
1432-0991
DOI:10.1007/s00284-021-02592-9