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Назив: Detergent-like stressor and nutrient in metabolism of Penicillium chrysogenum
Аутори: Jakovljevic, Violeta
Milićević, Jasmina
Stojanovic, Jelica
Датум издавања: 2014
Сажетак: The influence of detergents on the metabolism of Penicillium chrysogenum from two aspects, as a stress factor and potential nutrient, was studied. The fungus was isolated from the river bed Lepenica, Kragujevac, at a place where sewage domestic wastewater discharged into the river. The fungus was grown in a liquid nutrient medium according to Czapek with and without addition of commercial detergent (MERIX, Henkel, Serbia) at a concentration of 0.3% and 0.5%. The biochemical changes of pH, redox potential, free and total organic acids, total dry weight biomass, activity of alkaline and acid invertase and alkaline phosphatase were evaluated from day 3 to day 16 of the fungus growth. At the same time, detergent disappearance in terms of methylene blue active substances in the medium was measured. The detergent at a concentration of 0.5% showed a fungicide effect. In the medium with 0.3% of detergent, there was increased pH and concentration of organic acids, but decreased redox potential and total dry weight biomass. The detergent also showed an inhibitory effect on invertase and phosphatase activity. P. chrysogenum decomposed 50.2% of the total detergent concentration for an experimental period of 16 days. © 2014 The Author(s).
URI: https://scidar.kg.ac.rs/handle/123456789/9364
Тип: article
DOI: 10.1080/13102818.2014.901674
ISSN: 1310-2818
SCOPUS: 2-s2.0-84905911379
Налази се у колекцијама:Faculty of Science, Kragujevac

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