
handle: 10261/179063
[ES] La presente invención proporciona variantes mutadas de la ADN polimerasa del bacteriófago phi29 que presentan mayor actividad que la enzima natural a temperaturas elevadas (superiores a 30ºC, preferiblemente a 40-42ºC).Dichas variantes son, por tanto, más termoactivas y presentan una mayor velocidad de amplificación en comparación con la enzima natural, mejorando significativamente el rendimiento de las reacciones de amplificación en las que se emplean. Además, las variantes de la invención permiten amplificar cantidades limitantes de ADN molde, del orden de picogramos. La invención también proporciona un método para la amplificación de un ADN molde donde se emplean dichas variantes y un kit que comprende dichas variantes junto con los elementos necesarios para llevar a cabo dicho método.
[EN] The present invention provides mutated variants of bacteriophage phi29 DNA polymerase having greater activity than the natural enzyme at high temperatures (greater than 30°C, preferably 40-42°C). Said variants are, therefore, more thermoactive and have a higher amplification speed in comparison with the natural enzyme, significantly improving the efficiency of the amplification reactions in which they are used. Additionally, the variants of the invention enable the amplification of limiting quantities of template DNA, in the order of a picogram. The invention also provides a method for amplifying template DNA, wherein said variants, and a kit comprising said variants, together with the elements necessary for carrying out the method, are used.
Consejo Superior de Investigaciones Científicas (España), Fundació Centre de Regulació Genómica, Institució Catalana de Recerca i Estudis Avançats
A1 Solicitud de patente con informe sobre el estado de la técnica
Peer reviewed
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