Device for detecting mercury in water

Details Device for detecting mercury in water Device for detecting mercury in water

1995-06-06

1997-03-18

Prebilic, Paul B.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving nucleic acid

4351723, 935 56, 935 59, 422 52, 422 8208, C12Q 170

Patent

active

056121849

ABSTRACT:
Devices for the detection of small quantities either of divalent inorganic mercury ion (Hg.sup.2+) or of both Hg.sup.2+ and monomethyl mercury in water are disclosed. These devices comprises a bioluminescence detecting means and a bioluminescent biosensory microorganism cells, that emit significant light only when exposed to either to Hg.sup.2+ or to Hg.sup.2+ or momomethyl mercury. Plasmid cassettes and host microorganisms containing such cassettes are also disclosed The plasmid cassettes comprises a lux gene operon complex from Xenorhabdus luminescens. The lux operon complex comprises luxC, luxD, luxA, luxB, and luxE genes but is free of (1) a promoter for the complex and (2) an inducible regulatory gene for the complex.

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