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    • 2. 发明申请
    • Novel polymerase compositions and uses thereof
    • 新型聚合酶组合物及其用途
    • US20060088822A1
    • 2006-04-27
    • US10319778
    • 2002-12-13
    • Joseph SorgeRebecca Mullinax
    • Joseph SorgeRebecca Mullinax
    • C12Q1/68C12P19/34C12N9/22
    • C12Q1/686C12Q2521/319C12Q2521/101
    • The subject invention provides novel compositions containing a mixture of (a) an enzyme that possesses substantial 3′-5′ exonuclease activity (b) a DNA polymerase with less 3′-5′ exonuclease activity than the enzyme with substantial 3′-5′ exonuclease activity. Preferably, the DNA polymerase for inclusion in the compositions are DNA polymerases that substantially lack 3′-5′ exonuclease activity. A preferred embodiment of the invention is a composition comprising the Taq DNA polymerase (isolated from Thermus aquaticus) and the Pfu DNA polymerase (isolated from Pyrococcus furiosus). Another aspect of the invention is to provide methods for synthesizing polynucleotides, typically DNA, using compositions comprising an enzyme that possesses substantial 3′-5′ exonuclease activity and a DNA polymerase with less 3′-5′ exonuclease activity than the enzymes possessing substantial 3′-5′ exonuclease activity, preferably a DNA polymerase that substantially lacks 3′-5′ exonuclease activity. Another aspect of the invention involves the use the subject method of polynucleotide synthesis to carry out the synthesis step in a polymerase chain reaction experiment. Yet another aspect of the invention is to provide kits for the synthesis of polynucleotides, wherein the kits comprise an enzyme that possesses substantial 3′-5′ exonuclease activity and a DNA polymerase with less 3′-5′ exonuclease activity than the enzyme possessing substantial 3′-5′ exonuclease activity.
    • 本发明提供了包含(a)具有大量3'-5'核酸外切酶活性的酶的混合物的新型组合物(b)具有比实际3'-5'核酸外切酶活性大的3'-5'核酸外切酶活性的3' 核酸外切酶活性。 优选地,包含在组合物中的DNA聚合酶是基本上缺乏3'-5'核酸外切酶活性的DNA聚合酶。 本发明的优选实施方案是包含Taq DNA聚合酶(从Thermus aquaticus分离)和Pfu DNA聚合酶(从激烈热球菌分离的)的组合物。 本发明的另一方面是提供使用包含具有大量3'-5'核酸外切酶活性的酶的组合物和具有比具有实质3的酶的3'-5'外切核酸酶活性少的DNA聚合酶合成多核苷酸(通常为DNA)的方法 '-5'核酸外切酶活性,优选基本上缺乏3'-5'核酸外切酶活性的DNA聚合酶。 本发明的另一方面涉及使用聚合酶链反应实验中的多核苷酸合成的主题方法进行合成步骤。 本发明的另一方面是提供用于合成多核苷酸的试剂盒,其中所述试剂盒包含具有显着3'-5'核酸外切酶活性的酶和具有比具有实质性的酶的酶更少3'-5'外切核酸酶活性的DNA聚合酶 3'-5'核酸外切酶活性。
    • 5. 发明申请
    • Novel polymerase compositions and uses thereof
    • US20060014205A1
    • 2006-01-19
    • US11230945
    • 2005-09-19
    • Joseph SorgeRebecca Mullinax
    • Joseph SorgeRebecca Mullinax
    • C12Q1/68C12N9/22
    • C12N9/1252C12Q1/686
    • The subject invention provides novel compositions containing a mixture of (a) an enzyme that possesses substantial 3′-5′ exonuclease activity (b) a DNA polymerase with less 3′-5′ exonuclease activity than the enzyme with substantial 3′-5′ exonuclease activity. Preferably, the DNA polymerase for inclusion in the compositions are DNA polymerases that substantially lack 3′-5′ exonuclease activity. A preferred embodiment of the invention is a composition comprising the Taq DNA polymerase (isolated from Thermus aquaticus) and the Pfu DNA polymerase (isolated from Pyrococcus furiosus). Another aspect of the invention is to provide methods for synthesizing polynucleotides, typically DNA, using compositions comprising an enzyme that possesses substantial 3′-5′ exonuclease activity and a DNA polymerase with less 3′-5′ exonuclease activity than the enzymes possessing substantial 3′-5′ exonuclease activity, preferably a DNA polymerase that substantially lacks 3′-5′ exonuclease activity. Another aspect of the invention involves the use the subject method of polynucleotide synthesis to carry out the synthesis step in a polymerase chain reaction experiment. Yet another aspect of the invention is to provide kits for the synthesis of polynucleotides, wherein the kits comprise an enzyme that possesses substantial 3′-5′ exonuclease activity and a DNA polymerase with less 3′-5′ exonuclease activity than the enzyme possessing substantial 3′-5′ exonuclease activity.