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Showing 1 to 7 of 7 for “"telomeric sequences"”.
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Genetic Control of Genomic Alterations Induced in Yeast by Interstitial Telomeric Sequences
<p>Telomeric sequences are often located internally on the chromosome in addition to their usual positions at the ends of the chromosome. These internally-located telomeric sequences have been termed “interstitial telomeric sequences” (ITSs). In humans, ITSs are non-randomly associated with …
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From cytosine-tetraplexes to adenine-clusters : three crystal structures of DNA telomeric sequences
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1997.
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Characterization and consequences of Telomere replication gone awry
… to replicate telomeres, and with possible consequences of defects in telomere replication. The relevance of the DNA replication machinery precipitated while characterizing fission yeast cells lacking the telomeric binding protein Taz1 (a homologue of mammalian TRF1 & 2). In the absence of …
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Investigating the genome complexity of Streptomyces clavuligerus
… self ligation method, and identification of the sequences confirmed that the five replicons carry archetypal telomeres, with the chromosome and megaplasmid sharing identical telomeric sequences. Streptomycetes telomeres are maintained by the terminal proteins Tap and Tpg, however, while copies of …
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Study of DNA damage on DNA G-quadruplexes and biophysical evaluation of the effects of modified bases (lesions) on their conformation and stability
… a secondary structure known as G-Quadruplex in telomeric regions can partly serve as a protective role. In the first part of this work, we investigated DNA G-Quadruplex damage under various oxidation conditions and compare the damage results with single-stranded telomeric sequences. Damage to …
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Studio citogenetico della famiglia Muraenidae (Anguilliformes: Actinopterygii) mediante tecniche di citogenetica classica e molecolare
… different chromosomal locations. The (TTAGGG)n telomeric sequences were mapped onto chromosomal ends in all the muraenids studied. Since the minor ribosomal family have been never studied in any moray species, in this study the 5S rDNA have been mapped, beside three Indopacific moray, in the …
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Mechanical manipulation and visualization of single biomolecules using fluorescence spectroscopy
… of chromosomes are capped by 100-200 nt long telomeric DNA, consisting of tandem hexanucleotide guanine (G)-rich repeats. Four of such telomeric, G-rich motifs can spontaneously associate and fold into thermodynamically stable structures, known as G-Quadruplexes (GQs). GQs are widely studied …