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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
The mitochondrial genome in the ontogenesis
 Töröková, Petra ; Brdička, Radim (advisor) ; Černý, Viktor (referee)
The main goal of this study is the comparison of sequences of the HVRII region of the mitochondrial genome in the cord blood sample and the saliva sample of the same individual, taken at average ten years from his/her birth. It is known that during ontogenesis the human genome changes. All the more the mitochondrial genome which shows a higher mutation rate, and moreover it is not taken care of it by repair mechanisms. In older individuals, there was found a distinctive amount of mitochondrial variations cumulated in different tissues in the process of the ontogenesis. This study is focused on the detection of these changes already in younger individuals. The tissue-specific variability which is created during ontogenesis might have an adverse influence on all sorts of the mtDNA based studies. The samples were taken in two regions (Teplice / Prachatice) that differ in the pollution of environment. With regard to that, the samples with discovered changes were compared from the standpoint of the region, which they had come from, with the aim to prove the influence of environment on the mutagenesis of the mitochondrial DNA. Samples were also compared from the point of view of sex. Furthermore the variability of the collection of Czech population was evaluated and the estimation of the genetic...
Detailed record
The mitochondrial genome in the ontogenesis
 Töröková, Petra ; Brdička, Radim (advisor) ; Černý, Viktor (referee)
The main goal of this study is the comparison of sequences of the HVRII region of the mitochondrial genome in the cord blood sample and the saliva sample of the same individual, taken at average ten years from his/her birth. It is known that during ontogenesis the human genome changes. All the more the mitochondrial genome which shows a higher mutation rate, and moreover it is not taken care of it by repair mechanisms. In older individuals, there was found a distinctive amount of mitochondrial variations cumulated in different tissues in the process of the ontogenesis. This study is focused on the detection of these changes already in younger individuals. The tissue-specific variability which is created during ontogenesis might have an adverse influence on all sorts of the mtDNA based studies. The samples were taken in two regions (Teplice / Prachatice) that differ in the pollution of environment. With regard to that, the samples with discovered changes were compared from the standpoint of the region, which they had come from, with the aim to prove the influence of environment on the mutagenesis of the mitochondrial DNA. Samples were also compared from the point of view of sex. Furthermore the variability of the collection of Czech population was evaluated and the estimation of the genetic...
Detailed record

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