Novel fluorescent oligoDNA probe bearing a multi-conjugated nucleoside with a fluorophore and a non-fluorescent intercalator as a quencher
摘要:
A set of 15mer linear oligoDNA probes bearing a modified nucleoside conjugated with a polyamine/fluorescein/anthraquinone reporting moiety were synthesized. In a single-stranded form, the fluorescence generated by the excitation of fluorescein was efficiently quenched, while marked recovery of the fluorescence was observed when the probes formed duplexes with the fully complementary strand. (C) 2006 Elsevier Ltd. All rights reserved.
Synthesis of a novel 2′-deoxyuridine derivative bearing a cyanomethoxycarbonylmethyl group at C-5 position and its use for versatile post-synthetic functionalization of oligodeoxyribonucleotides
摘要:
A novel 2'-deoxyuridine derivative bearing a cyanomethoxycarbonylmethyl group at the C-5 position (1) was synthesized and its use was examined as a convertible nucleoside for the versatile post-synthesis functionalization of oligodeoxyribonucleotides (ODNs). The ODNs containing 1 reacted with primary monoamines such as heptylamine, histamine, and tyramine as well as di- and polyamines under mild conditions, giving the corresponding derivatized ODNs. (C) 1998 Elsevier Science Ltd. AII rights reserved.
Novel oligonucleotides bearing a polyamine-intercalator conjugate modified at the terminal or the internal position were reported. These modified oligonucleotides showed duplex-stabilization effect, and the thermodynamic analysis and the salt concentration dependency of the duplex stability revealed that the polyamine moiety also acted as the duplex stabilizer by neutralization of the phosphate negative charge.
Novel fluorescent oligoDNA probe bearing a multi-conjugated nucleoside with a fluorophore and a non-fluorescent intercalator as a quencher
A set of 15mer linear oligoDNA probes bearing a modified nucleoside conjugated with a polyamine/fluorescein/anthraquinone reporting moiety were synthesized. In a single-stranded form, the fluorescence generated by the excitation of fluorescein was efficiently quenched, while marked recovery of the fluorescence was observed when the probes formed duplexes with the fully complementary strand. (C) 2006 Elsevier Ltd. All rights reserved.
Synthesis of a novel 2′-deoxyuridine derivative bearing a cyanomethoxycarbonylmethyl group at C-5 position and its use for versatile post-synthetic functionalization of oligodeoxyribonucleotides
A novel 2'-deoxyuridine derivative bearing a cyanomethoxycarbonylmethyl group at the C-5 position (1) was synthesized and its use was examined as a convertible nucleoside for the versatile post-synthesis functionalization of oligodeoxyribonucleotides (ODNs). The ODNs containing 1 reacted with primary monoamines such as heptylamine, histamine, and tyramine as well as di- and polyamines under mild conditions, giving the corresponding derivatized ODNs. (C) 1998 Elsevier Science Ltd. AII rights reserved.