High throughput testing for presence of microorganisms in a...

C - Chemistry – Metallurgy – 12 – Q

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C12Q 1/68 (2006.01)

Patent

CA 2639069

Provided are methods and apparatus for high throughput testing of biological samples that may or may not comprise microorganisms. The methods include the use of a diagnostic multiplexing panel (DMP) specifically designed for the simultaneous identification of a plurality of potential microorganisms that may be present in the biological sample via a primer extension reaction directed a highly conserved nucleic acid sequences in the microorganisms under test. The biological sample is typically immobilised on a solid substrate at a first location before being transferred to a second location for analysis using the DMP. The methods and apparatus of the invention are particularly suited to diagnosis of the presence of infectious pathogens in the biological sample, for example for diagnosis of sexually transmitted infection.

La présente invention concerne des procédés et un appareil destiné à la recherche à haut débit d'éventuels micro-organismes dans des échantillons biologiques. Le procédé consiste en l'utilisation d'un panneau de multiplexage des diagnostics ou DMP (Diagnostic Multiplexing Panel) spécialement conçu pour l'identification simultanée d'une pluralité de micro-organismes potentiellement présents dans l'échantillon biologique, et ce par l'intermédiaire d'une réaction d'extension des amorces ciblant des séquences d'acide nucléique hautement conservées dans les micro-organismes recherchés. L'échantillon biologique est généralement immobilisé sur un substrat solide en un premier endroit avant transfert en un deuxième emplacement pour analyse au moyen du DMP. Les procédés et l'appareil de l'invention conviennent particulièrement au diagnostic de présence d'agents pathogènes infectieux dans l'échantillon biologique, notamment pour le diagnostic de MST.

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