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Paraprobiotics, postbiotics and other -biotics
Crha, Richard ; Šálek, Petr (referee) ; Trachtová, Štěpánka (advisor)
The theoretical part of the thesis deals with a wide range of microorganisms and substances derived from probiotics. Based on recent publications, probiotics, prebiotics, synbiotics, paraprobiotics, postbiotics, pharmabiotics, psychobiotics and oncobiotics are defined. Furthermore, the purpose and use of the mentioned -biotics is specified for the current understanding of their function. In the experimental part, DNA was isolated from a sample of probiotic capsules using a commercially available bacterial kit and magnetic particles. Its purity and concentration were then determined spectrophotometrically. Using the isolated DNA as a matrix for conventional PCR and detection on agarose gel, the composition of the probiotic product as declared by the manufacturer was demonstrated. Finally, the PMA-PCR method was optimized.
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