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Bacteriophage phi29 dna polymerase variants having improved thermoactivity

Authors: Salas, Margarita; Lázaro, José M.; Vega, Miguel de; Rodríguez García, Irene; Serrano Pubul, Luis; Delgado Blanco, Javier;

Bacteriophage phi29 dna polymerase variants having improved thermoactivity

Abstract

[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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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green