Method for characterizing nucleic acid fragments

C - Chemistry – Metallurgy – 12 – Q

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C12Q 1/68 (2006.01)

Patent

CA 2379163

The invention relates to a method for characterizing a nucleic acid fragment, in which the following method steps are carried out: a) immobilizing the nucleic acid fragment that is to be characterized on a surface; b) producing an array of oligomers on a second surface, whereby the oligomers are provided with a marker; c) removing the synthesized oligomers from the surface without vacating a predetermined region on the surface; d) bringing the surface, on which the nucleic acids to be characterized are immobilized, into contact with the oligomer array surface, whereby complementary oligomers of the array hybridize on the DNA to be characterized; e) removing non-complementary oligomers, and; f) detecting the complementary oligomers using markers thereof, whereby sequence information is determined using the position on the surface.

Procédé de caractérisation d'un fragment d'acide nucléique, qui consiste (a) à immobiliser le fragment d'acide nucléique à caractériser sur une surface, (b) à fabriquer sur une seconde surface un groupe d'oligomères qui sont dotés d'un marqueur, (c) à séparer les oligomères synthétisés de la dite surface, sans qu'ils quittent une zone prédéterminée de cette surface, (d) à mettre en contact la surface sur laquelle est immobilisé l'acide nucléique à caractériser avec la surface portant le groupe d'oligomères, des oligomères complémentaires dudit groupe s'hybridant avec l'ADN à caractériser, (e) à éliminer les oligomères non complémentaires, et (f) à détecter les oligomères complémentaires à l'aide de leurs marqueurs, des informations de séquence étant déterminées à l'aide de l'emplacement sur la surface.

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