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http://dx.doi.org/10.5010/JPB.2008.35.2.141

Cyanobacterial bioreporters for detection of heavy metals, herbicide, and antibiotics  

Kim, Soo-Youn (Department of Biology, Chungnam National University)
Jeong, Won-Joong (Plant Genome Research Center, KRIBB)
Suh, Kye-Hong (Department of Biology, Daegu University)
Liu, Jang-Ryol (Plant Genome Research Center, KRIBB)
Park, Youn-Il (Department of Biology, Chungnam National University)
Publication Information
Journal of Plant Biotechnology / v.35, no.2, 2008 , pp. 141-145 More about this Journal
Abstract
In this study, glucose-inducible intergenic sequences were used to generate bioreporters of the cyanobacterium Synechocystis sp. PCC 6803 that could monitor environmental pollutants. Luciferase genes LuxAB from the marine bacterium Vibrio fischeri under the control of glucose-inducible intergenic seqeucens of eight genes (atpI, ndbA, ctaD1, tkt, pgi, pdh, ppc, and cydA) were successfully expressed in the cyano-bacterial transformants, showing 5-25 fold increases in biolumeniscence upon exposure to glucose. In addition, glucose-inducible cyanobacterial bioreporters were very sensitive to various chemicals such as heavy metals ($Hg^{2+}$, $Cu^{2+}$, $Zn^{2+}$), electron transport inhibitors (DCMU, DBMIB, $CN^-$), and antibiotics (chloramphenicol and rifampicin). These glucose-inducible cyanobacterial bioreporters would be useful to develop biosensors for rapid screening of environmental samples.
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