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Issue 6 (4) 2007 pp. 5-16

Bożena Danyluk, Waldemar Uchman, Piotr Konieczny, Agnieszka Bilska

Agricultural University of Poznan

An objective method to assess bioluminescent properties of selected bacterial strains

Abstract

Emission of light as a result of biochemical activities of some living bacteria Vibrio fischeri (in the past known as Photobacterium phosphoreum) makes it possible to monitor environmental changes in ecosystems. Toxicity testing as an international standard operating procedure based on the use of this method has already been accepted. The bioluminescent test offers a rapid, simple and sensitive method to test a wide spectrum of chemical substances and environmental samples including water, wastewater, sludge extracts, etc. In this study, aimed at characterising and comparing bioluminescent properties, four different bacterial strains were cultivated in four different liquid mediums and temperature conditions. The bioluminescent intensity of bacterial suspensions was measured using a laboratory BioOrbit 1253 luminometer during bacteria culture. Based on obtained results and mathematical calculations of RLU (relative luminescent units) values strain Photobacterium phosphoreum + NCBE medium were indicated as the variant demonstrating proper bioluminescence intensity and characteristics most suitable for further applications.

Keywords: ecotoxicology, biotests, bioluminescence, Photobacterium
pub/.pdf Full text available in english in Adobe Acrobat format:
http://www.food.actapol.net/issue4/volume/1_4_2007.pdf

For citation:

MLA Danyluk, Bożena, et al. "An objective method to assess bioluminescent properties of selected bacterial strains." Acta Sci.Pol. Technol. Aliment. 6.4 (2007): 5-16.
APA Danyluk B., Uchman W., Konieczny P., Bilska A. (2007). An objective method to assess bioluminescent properties of selected bacterial strains. Acta Sci.Pol. Technol. Aliment. 6 (4), 5-16
ISO 690 DANYLUK, Bożena, et al. An objective method to assess bioluminescent properties of selected bacterial strains. Acta Sci.Pol. Technol. Aliment., 2007, 6.4: 5-16.