DNA duplexes stabilized by modified monomer residues: synthesis and stability

JA Parkinson - Journal of the Chemical Society, Perkin Transactions …, 1998 - pubs.rsc.org
The synthesis of a series of 2′-deoxyuridine analogues modified at the 5-position and a
series of 2′-deoxypurines modified at the 8-position is described. Ultraviolet melting …

Oligo-2 '-deoxyribonucleotides Containing Uracil Modified at the 5-Position with Linkers Ending with Guanidinium Groups

V Roig, U Asseline - Journal of the American Chemical Society, 2003 - ACS Publications
We report here the synthesis and binding studies of oligo-2 '-deoxyribonucleotides (ODNs)
containing 2 '-deoxyuridines, modified at the 5-position by linkers ending with either one or …

Propynyl groups in duplex DNA: stability of base pairs incorporating 7‐substituted 8‐aza‐7‐deazapurines or 5‐substituted pyrimidines

J He, F Seela - Nucleic acids research, 2002 - academic.oup.com
Oligonucleotides incorporating the 7‐propynyl derivatives of 8‐aza‐7‐deaza‐2′‐
deoxyguanosine (3b) and 8‐aza‐7‐deaza‐2′‐deoxyadenosine (4b) were synthesized and …

Hydrophobic, non-hydrogen-bonding bases and base pairs in DNA

BA Schweitzer, ET Kool - Journal of the american chemical …, 1995 - ACS Publications
We report the properties of hydrophobic isosteres of pyrimidines and purines in synthetic
DNA duplexes. Phenyl nucleosides 1 and 2 are nonpolar isosteres of the natural thymidine …

Modified purine nucleosides as dangling ends of DNA duplexes: the effect of the nucleobase polarizability on stacking interactions

H Rosemeyer, F Seela - Journal of the Chemical Society, Perkin …, 2002 - pubs.rsc.org
Base-modified nucleotide residues have been appended to the 5′-terminus of the self-
complementary oligo-2′-deoxynucleotide duplex [5′-d (CGCGCG)] 2 as dangling ends …

Experimental measurement of aromatic stacking affinities in the context of duplex DNA

KM Guckian, BA Schweitzer, RXF Ren… - Journal of the …, 1996 - ACS Publications
Noncovalent interactions between aromatic molecules are widely believed to be important
contributing factors in the stabilization of organized structure in biological macromolecules …

DNA triplex formation with 5-dimethylaminopropargyl deoxyuridine

DA Rusling, G Peng, N Srinivasan, KR Fox… - Nucleic acids …, 2009 - academic.oup.com
We have prepared triplex-forming oligonucleotides containing the nucleotide analogue 5-
dimethylaminopropargyl deoxyuridine (DMAPdU) in place of thymidine and examined their …

Large stabilization of a DNA duplex by the deoxyadenosine derivatives tethering an aromatic hydrocarbon group

S Nakano, Y Uotani, S Nakashima… - Journal of the …, 2003 - ACS Publications
Novel deoxyadenosine derivatives tethering a phenyl or naphthyl group by means of an
amido linker have been synthesized, and these derivatives, stacking on the 5 'end of a DNA …

The solution structure of a DNA· RNA duplex containing 5‐propynyl U and C; comparison with 5‐Me modifications

JI Gyi, D Gao, GL Conn, JO Trent, T Brown… - Nucleic acids …, 2003 - academic.oup.com
The addition of the propynyl group at the 5 position of pyrimidine nucleotides is highly
stabilising. We have determined the thermodynamic stability of the DNA· RNA hybrid r …

Site-directed modification of DNA duplexes by chemical ligation

NG Dolinnaya, NI Sokolova, OI Gryaznova… - Nucleic acids …, 1988 - academic.oup.com
The efficiency of chemical ligation method have been demonstrated by assembling a
number of DNA duplexes with modified sugar phosphate backbone. Condensation on a …