摘要:
The present invention is directed to a method and a composition for amplifying and detecting a target nucleic comprising subjecting said target nucleic acid to a real time PCR amplification reaction in the presence of a thermostable DNA polymerase, a thermostable double strand dependent 3′-5′ exonuclease having a temperature optimum above 37° C., a pair of amplification primers, deoxynucleoside triphosphates, a detecting oligonucleotide carrying a first label and a second label, said first label being capable of acting as a fluorescent reporter entity when excited with light of an appropriate wavelength, said second label being capable of acting as a fluorescence quenching entity of said fluorescent reporter entity, characterized in that one label is bound to the 3′ end of said detecting oligonucleotide, and further characterized in that the other label is bound either internally or at the 5′ end of said detecting oligonucleotide, and monitoring fluorescence of said fluorescent reporter entity at least after a plurality of amplification cycles.
摘要:
The present invention is directed to a method and a composition for amplifying and detecting a target nucleic comprising subjecting said target nucleic acid to a real time PCR amplification reaction in the presence of a thermostable DNA polymerase, a thermostable double strand dependent 3′-5′ exonuclease having a temperature optimum above 37° C., a pair of amplification primers, deoxynucleoside triphosphates, a detecting oligonucleotide carrying a first label and a second label, said first label being capable of acting as a fluorescent reporter entity when excited with light of an appropriate wavelength, said second label being capable of acting as a fluorescence quenching entity of said fluorescent reporter entity, characterized in that one label is bound to the 3′ end of said detecting oligonucleotide, and further characterized in that the other label is bound either internally or at the 5′ end of said detecting oligonucleotide, and monitoring fluorescence of said fluorescent reporter entity at least after a plurality of amplification cycles.
摘要:
The present invention provides kits and methods for composition ratio control based on dyes that are designed to enable energy transfer between each other. In more detail, with the method of the present invention it is possible to verify the mixing ratio of a first component comprising a first dye with a second component comprising a second dye.
摘要:
The present invention is directed to a composition comprising a DNA Polymerase which is preferably thermostable, Deoxynucleotides, at least one primer oligonucleotide or a pair of amplification primers, and randomized 5-8 mer oligonucleotide, characterized in that said oligonucleotide comprises a modification with an organic hydrophobic moiety Such a composition is specifically useful for performing hot start PCR.
摘要:
The present invention is directed to a novel chemical compound comprising the structure [Xx-(CH2)m-phosphate-Yy]n, characterized in that 3≦m≦6, 30≦n≦60, each x and y is independently from each other 0 or 1, each X and Y is independently from each other any photometrically measurable entity; provided that the terminal X can also be an —OH group or a phosphate group, and further provided that the terminal Y can also be an —OH group. Such a compound can be used as a suitable hot start additive for PCR based amplification of nucleic acids.
摘要:
The present invention is directed to a new composition for performing a nucleic acid amplification reaction comprising (i) a thermostable DNA-Polymerase, (ii) a thermostable 3′-5′ Exonuclease, and (iii) at least one primer for nucleic acid amplification with a modified 3′ terminal residue which is not elongated by said thermostable DNA-Polymerase as well as methods for performing a PCR reaction using this composition. Furthermore, the method is directed to kits comprising such a composition.
摘要:
The present invention is directed to a composition comprising a DNA Polymerase which is preferably thermostable, Deoxynucleotides, at least one primer oligonucleotide or a pair of amplification primers, and randomized 5-8 mer oligonucleotide, characterized in that said oligonucleotide comprises a modification with an organic hydrophobic moiety Such a composition is specifically useful for performing hot start PCR.
摘要:
The present invention is directed to a synthetic peptide having a length of not more than 30 amino acids comprising a divalent cation binding site. Such a peptide according to the present invention is part of a composition for nucleic acid amplification and provides for a so-called hot start effect.
摘要:
Described is a method for the detection of a RNA molecule, the method involving the steps of providing a sample containing the RNA molecule; hybridizing to the RNA molecule a first polynucleotide; extending the first polynucleotide to generate a first strand cDNA; hybridizing a second polynucleotide to the first strand cDNA; extending the first strand cDNA to generate an extension reaction product; amplifying the extension reaction product by means of polymerase chain reaction; and detecting the amplification product by means of real-time fluorescence readout. Also described is a kit containing a first and a second polynucleotide as defined in the present invention, a set of dNTPs, a reverse transcriptase enzyme, and a detection moiety.
摘要:
The present invention is directed to a synthetic peptide having a length of not more than 30 amino acids comprising a divalent cation binding site. Such a peptide according to the present invention is part of a composition for nucleic acid amplification and provides for a so-called hot start effect.