ArticleJournal of industrial microbiology & biotechnology2012
Construction and application of an Escherichia coli bioreporter for aniline and chloroaniline detection.
Article in Journal of industrial microbiology & biotechnology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 15 citations in OpenAlex.
- Nephrotoxic Potential of Putative 3,5-Dichloroaniline (3,5-DCA) Metabolites and Biotransformation of 3,5-DCA in Isolated Kidney Cells from Fischer 344 Rats.International journal of molecular sciences · 2020Article
- 3,4,5-Trichloroaniline nephrotoxicity in vitro: potential role of free radicals and renal biotransformation.International journal of molecular sciences · 2014Article
- 4-Amino-2-chlorophenol: Comparative in vitro nephrotoxicity and mechanisms of bioactivation.Chemico-biological interactions · 2014Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aniline and chlorinated anilines (CAs) are classified as priority pollutants; therefore, an effective method for detection and monitoring is required. In this study, a green-fluorescence protein-based bioreporter for the detection of aniline and CAs was constructed in Escherichia coli DH5α, characterized and tested with soil and wastewater. The sensing capability relied on the regulatory control between a two-component regulatory protein, TodS/TodT, and the P( todX ) promoter of Pseudomonas putida T-57 (PpT57), since the gene expression of todS, todT, and todC2 are positively induced with 4-chloroaniline. The bioreporter system (DH5α/pPXGFP-pTODST) is markedly unique with the two co-existing plasmids. The inducibility of the fluorescence response was culture-medium- and time-dependent. Cells grown in M9G medium exhibited a low background fluorescence level and were readily induced by 4CA after 3-h exposure, reaching the maximum induction level at 9 h. When tested with benzene, toluene, ethyl-benzene and xylene, aniline and CAs, the response data were best fit by a sigmoidal dose-response relationship, from which the K(½) value was determined for the positive effectors. 3CA and 4CA were relatively powerful inducers, while some poly-chlorinated anilines could also induce green fluorescence protein expression. The results indicated a broader recognition range of PpT57'sTodST than previously reported for P. putida. The test results with environmental samples were reliable, indicating the potential application of this bioreporter in the ecotoxicology assessment and bioremediation of areas contaminated with aniline- and/or CAs.
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