Abstract
A biotest kit was used to assess the integral toxicity level of aquatic environment contamination with oil and oil products. The integral toxicity dynamics were also monitored during biodegradation of oil and oil products by an association of oil-degrading strains, including Acinetobacter sp., Mycobacterium flavescens, and Rhodococcussp. The following bacterial tests were used: the bioluminescence (BL) test based on Photobacterium leiognathi; electroorientation (EO), optoosmotic (OO), and growth tests; and the reducing activity (RA) test based on an Agrobacterium radiobacter culture. No significant increase in the integral toxicity level of the aquatic medium was observed when diesel fuel and kerosene contamination had been subjected to biodegradation. Although rapid biotests (EO, OO, RA, and BL) detected a pronounced increase in the integral toxicity of the aquatic environment, long-term growth biotests revealed no statistically significant increase in the toxicity level.
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Fomchenkov, V.M., Irkhina, I.A., Novikov, I.A. et al. Assessment of the Integral Toxicity of Aquatic Medium Contamination with Oil and Oil Products Using Bacterial Tests. Applied Biochemistry and Microbiology 36, 568–571 (2000). https://doi.org/10.1023/A:1026692406039
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DOI: https://doi.org/10.1023/A:1026692406039