ORIGINAL RESEARCH
Metabolic Activity of Heterotrophic Bacteria in the Presence of Humic Substances and Their Fractions
W. Donderski, A. Burkowska
Department of Water Microbiology and Biotechnology, Nicholas Copernicus University, Gagarina 9, 87-100 Toruń
Pol. J. Environ. Stud. 2000;9(4):267-271
KEYWORDS
ABSTRACT
Metabolic activity of heterotrophic bacteria isolated from lakes Stęgwica, Jeziorak and Jasne were investigated. A humic substances of commercial preparation by Aldrich-Chemie, as well as natural humic substances, fulvic and humin acids isolated from lake Stegwica were used as a source of energy. The results indicate that 70-80% of bacteria strains are able to utilise the humus matter. The greatest metabolic activity was recorded in bacteria which were supported by natural humic substances isolated from lake Stęgwica; whereas the lowest was noted in the presence of humin acids.
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| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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