نتایج جستجو برای: kinetoplast
تعداد نتایج: 803 فیلتر نتایج به سال:
Eucaryotic cells contain two complete genetic systems, one based on nuclear DNA and the other on cytoplasmic DNA . The study of these systems has been greatly facilitated by the existence of specific inhibitors . One such inhibitor is the trypanocidal drug, ethidium bromide (Short, Peak, and Watkins, 1953) . Application of the drug to trypanosomes in vitro causes alterations in the structure of...
Trypanosoma cruzi is exposed during its life to exogenous and endogenous oxidative stress, leading to damage of several macromolecules such as DNA. There are many DNA repair pathways in the nucleus and mitochondria (kinetoplast), where specific protein complexes detect and eliminate damage to DNA. One group of these proteins is the DNA polymerases. In particular, Tc DNA polymerase β participate...
BACKGROUND The causative agent of Chagas disease, Trypanosoma cruzi, is divided into 6 Discrete Typing Units (DTU): Tc I, IIa, IIb, IIc, IId and IIe. In order to assess the relative pathogenicities of different DTUs, blood samples from three different clinical groups of chronic Chagas disease patients (indeterminate, cardiac, megacolon) from Bolivia were analyzed for their circulating parasites...
In a recent paper (5), Noyes et al. discussed a nested-PCRbased approach for identification and analysis of Leishmania kinetoplast DNA (kDNA) minicircle classes using the analysis of minicircle variable-region (VR) restriction profiles. The kDNA of trypanosomatids consists of catenated minicircle (approximately 5 3 10 to 5 3 10 per associate) and maxicircle (20 to 50 per associate) molecules (8...
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