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Human telomeric DNA is composed of GGGTTA repeats. The presence of consecutive guanines makes the telomeric G-strand prone to fold into contiguous (or tandem) G-quadruplexes (G4s). The aim of this study was to provide a clarified picture of the stability of telomeric tandem G4 structures as a function of the number of G4 units and of boundary sequences, and an understanding of the diversity of their...
A dynamic library of 15 mono- and bi-conjugated oligonucleotides was generated from a pool of three aldehydes and an oligonucleotide bearing two reactive amino groups. Addition of complementary target to the equilibrating mixture of imines resulted in selective amplification of one conjugate. UV-melting experiments confirmed that it was the best ligand among those that were tested. This study emphasizes...
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