Synthesis and structural properties of oligonucleotides covalently linked to acridine and quindoline derivatives through a threoninol linker

Oligonucleotide conjugates containing acridine and quindoline derivatives linked through a threoninol molecule were synthesized. We showed that these conjugates formed duplexes and quadruplexes with higher thermal stability than the corresponding unmodified oligonucleotides. When acridine is located...

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Detalles Bibliográficos
Autores: Eritja Casadellà, Ramón, Mazzini, Stefania, Ferreira, Rubén, Aviñó, Anna
Tipo de recurso: artículo
Fecha de publicación:2010
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/46951
Acceso en línea:http://hdl.handle.net/10261/46951
Access Level:acceso abierto
Palabra clave:Oligonucleotide synthesis
DNA duplex
DNA-binding drugs
DNA
Intercalating agents
Acridine
Quindoline
Threoninol
Quadruplex
Thrombin binding aptamer
NMR
Descripción
Sumario:Oligonucleotide conjugates containing acridine and quindoline derivatives linked through a threoninol molecule were synthesized. We showed that these conjugates formed duplexes and quadruplexes with higher thermal stability than the corresponding unmodified oligonucleotides. When acridine is located in the middle of the sequence, DNA duplexes have a similar stability independently of the natural base present in front of acridine. Self-complementary oligonucleotides and thrombin binding aptamers (TBA) carrying the acridine and quindoline molecules are studied by NMR.