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Účinky vybraných peptidů na jednobuněčnou řasu Chlamydomonas reinhardtii
Avdeeva, Olga
In the presented work, the modified novicidin peptides NVCAA and NVCHH were applied to the unicellular alga Chlamydomonas reinhardtii. The aim of the study was to determine the minimum inhibitory concentrations of the tested peptides on Escherichia coli bacteria with subsequent application on the unicellular algae Chlamydomonas reinhardtii. The assessment of the effect of the tested peptides on the algae was carried out using spectrophotometric analyses: chlorophyll A and chlorophyll B content, total flavonoid content, total antioxidant capacity and using the DPPH ASSAY method. Chlamydomonas reinhardtii molecular changes were determined by monitoring the amount of isolated RNA and the expression of APX1, APX2, CAT1, CAT2 genes using the Real-time PCR method. Statistically processed data showed that the application of NVCAA and NVCHH peptides induced considerable stress in the cilia.

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