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Vrchotova B.,Spolecna laborator UOCHB a VSCHT Prague | Drazkova M.,Vysoka skola chemicko technologicka Praze | Mackova M.,Spolecna laborator UOCHB a VSCHT Prague | Demnerova K.,Vysoka skola chemicko technologicka Praze | Macek T.,Spolecna laborator UOCHB a VSCHT Prague
Listy Cukrovarnicke a Reparske | Year: 2010

Cooperation of plants and microorganisms on chlorobenzoic acids metabolization was tested. Previously ability of plants and microorganisms metabolize chlorobenzoic acids were proved. Cocultivation experiments prove that in the case of 2-; 3- and 2,5-dichlorobenzoic acid the presence of both organisms in medium is beneficial and degradation is more efficient than was shown with individual organisms.

Zitka O.,Mendel University in Brno | Najmanova J.,Vysoka skola chemicko technologicka Praze | Cernei N.,Mendel University in Brno | Adam V.,Mendel University in Brno | And 6 more authors.
Listy Cukrovarnicke a Reparske | Year: 2010

In this study, we employed our optimized method of high performance liquid chromatography with electrochemical detection (HPLC-ED) to study the content of thiols. These are glutathions (reduced (GSH) and oxidized (GSSG) glutathione), which ratio is used as a marker of oxidative stress, and phytochelatins PC2, PC3, PC4 and PC5, which are very important for the protection of plant cells against adverse effects of heavy metals. Thiols content was studied in flax plants treated with various concentrations of cadmium(II) ions. Using our method, we were able to identify and quantify the levels of thiols, which varied depending on the applied dose of cadmium.

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