## Abstract Triplexβforming oligonucleotides (TFOs) are gene targeting tools that can bind in the major groove of duplex DNA in a sequenceβspecific manner. When bound to DNA, TFOs can inhibit gene expression, can position DNAβreactive agents to specific locations in the genome, or can induce target
Interactions of platinum(II)-derivatized triplex-forming oligonucleotides with DNA
β Scribed by Campbell, Meghan A; Mason, Tracey McGregor; Miller, Paul S
- Book ID
- 115547642
- Publisher
- NRC Research Press
- Year
- 2007
- Tongue
- French
- Weight
- 328 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0008-4042
- DOI
- 10.1139/v07-016
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## Abstract Interaction of DNA with bis(diiminosuccinonitrilo)platinum(II) has been studied by UVβvisible absorbance spectra, fluorescence spectra and viscosity measurements. The UVβvisible absorption spectra of the metal complex exhibit hypochromism with a small blue shift on interaction with DNA.
A 4-(3-n-butylureidophenyl)imidazole nucleoside was successfully incorporated into a triplex-forming oligonucleotide (TFO). Binding affinity and base pair selectivity of the TFO containing this non-natural nucleoside were studied with various duplex targets containing all four possible Watson-Crick