Development of bacteriophage-based bioluminescent bioreporters for monitoring of microbial pathogens

Aysu Ozen; Kacey Montgomery; Pat Jegier; Stacey Patterson; Kathleen A. Daumer; Steven A. Ripp; Jay L. Garland; Gary S. Sayler

doi:10.1117/12.516181

4 March 2004 Development of bacteriophage-based bioluminescent bioreporters for monitoring of microbial pathogens

Aysu Ozen, Kacey Montgomery, Pat Jegier, Stacey Patterson, Kathleen A. Daumer, Steven A. Ripp, Jay L. Garland, Gary S. Sayler

Author Affiliations +

Proceedings Volume 5270, Environmental Monitoring and Remediation III; (2004) https://doi.org/10.1117/12.516181
Event: Optical Technologies for Industrial, Environmental, and Biological Sensing, 2003, Providence, RI, United States

Abstract

Microorganisms pose numerous problems when present in human occupied enclosed environments. Primary among these are health related hazards, manifested as infectious diseases related to contaminated drinking water, food, or air circulation systems or non-infectious allergy related complications associated with microbial metabolites (sick building syndrome). As a means towards rapid detection of microbial pathogens, we are attempting to harness the specificity of bacterial phage for their host with a modified quorum sensing amplification signal to produce quantifiable bioluminescent (lux) detection on a silicon microluminometer. The bacteriophage itself is metabolically inactive, only achieving replicative capabilities upon infection of its specific host bacterium. Bacteriophage bioluminescent bioreporters contain a genomically inserted luxI component. During an infection event, the phage genes and accompanying luxI construct are taken up by the host bacterium and transcribed, resulting in luxI expression and subsequent activation of a homoserine lactone inducible bioluminescent bioreporter. We constructed a vector carrying the luxI gene under the control of a strong E. coli promoter and cloned it into E. coli. We have shown that it can induce luminescence up to 14,000 counts per second when combined with the bioreporter strain. In their final embodiment, these sensors will be fully independent microelectronic monitors for microbial contamination, requiring only exposure of the biochip to the sample, with on-chip signal processing downloaded directly to the local area network of the environmental control system.

Citation Download Citation

Aysu Ozen, Kacey Montgomery, Pat Jegier, Stacey Patterson, Kathleen A. Daumer, Steven A. Ripp, Jay L. Garland, and Gary S. Sayler "Development of bacteriophage-based bioluminescent bioreporters for monitoring of microbial pathogens", Proc. SPIE 5270, Environmental Monitoring and Remediation III, (4 March 2004); https://doi.org/10.1117/12.516181

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