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Sensing the Shape of the ds-DNA/RNA Structures by Non-Covalent Interactions (CROSBI ID 605845)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Piantanida, Ivo Sensing the Shape of the ds-DNA/RNA Structures by Non-Covalent Interactions // 23. hrvatski skup kemičara i kemijskih inženjera : knjiga sažetaka = 23. Croatian meeting of chemists and chemical engineers : book of abstracts / Hadžiev, Andrea ; Blažeković, Zdenko (ur.). Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2013. str. 5-5

Podaci o odgovornosti

Piantanida, Ivo

engleski

Sensing the Shape of the ds-DNA/RNA Structures by Non-Covalent Interactions

Small molecules targeting DNA and RNA have attracted significant scientific interest not only because of their biomedicinal applications, but also due to widespread use of spectrophotometric markers in the related scientific research – for instance, fluorescent techniques significantly developed during the last two decades and now represent about 60% of the detection enabling technologies used in molecular biology and medicine. Small molecules targeting double stranded (ds)-DNA/RNA often rely on the one dominant non-covalent binding mode for their interaction (e.g., intercalation, minor or major groove binding, external electrostatic binding). However, the combinations of different binding modes as well as additional steric and structural features controlling three-dimensional recognition were intensively explored within the last decades. Our research was particularly focused on the small molecules binding via non-covalent interactions (logKs > 5 M-1) to the most of naturally occurring ds-DNA and ds-RNA secondary structures and yielding different signals for each of the most common secondary structures (e.g. A-DNA/RNA, B-DNA, subtypes of DNA characterized by narrower minor groove, etc.) by sensitive and biologically applicable methods (UV/Vis, CD, fluorescence). The development of such single-molecule sensors, able to report simultaneously the presence of several different secondary structures of ds-DNA and ds-RNA species by different spectroscopic signals could replace the necessary application of several dyes, each one specific for one ds-DNA or ds-RNA target. Obtained results point out that the such multipurpose signalling selectivity can be achieved by fine tuning of small molecule structure (steric and DNA/RNA-binding/repulsion contacts) in respect to the slightly different binding sites of various ds-polynucleotides.

DNA/RNA recognition ; small molecules ; supramolecular chemistry

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Podaci o prilogu

5-5.

2013.

objavljeno

Podaci o matičnoj publikaciji

23. hrvatski skup kemičara i kemijskih inženjera : knjiga sažetaka = 23. Croatian meeting of chemists and chemical engineers : book of abstracts

Hadžiev, Andrea ; Blažeković, Zdenko

Zagreb: Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI)

978-953-6894-50-5

Podaci o skupu

23. hrvatski skup kemičara i kemijskih inženjera = 23. Croatian meeting of chemists and chemical engineers

ostalo

21.04.2013-24.04.2013

Osijek, Hrvatska

Povezanost rada

Kemija

Poveznice