摘要:
Disclose is a method for making full-length cDNA libraries, which is for making libraries of cDNAs having lengths corresponding to full lengths of mRNAs and comprises the following steps of; forming RNA-DNA hybrids by reverse transcription starting from primers using mRNAs as templates, chemically binding a tag molecule to a diol structure present in the 5' Cap (.sup.7Me G.sub.ppp N) site of a mRNA which is forming a RNA-DNA hybrid, and separating RNA-DNA hybrids carrying a DNA corresponding to a full-length mRNA from the RNA-DNA hybrids formed above by using a function of the tag molecule. The present method is a method for preparing full-length cDNA libraries utilizing a method for labeling the 5' Cap site more efficiently than protein enzyme reactions, which is avoidable a decrease of a full-length cDNA synthesis efficiency caused by cleavage of mRNA, and can synthesize a full-length cDNA more efficiently.
摘要:
A base plate is made of an insulating material, and comprised of a flat surface and a connector part connected therewith. A plurality of wells are vertically and transversely arranged on the surface of the base plate at regular intervals respectively, and the respective wells are provided with individual electrode patterns reaching the connector part from bottoms thereof through the surface of the base plate. The connector part is connected to an external high-voltage application part.
摘要:
The present invention relates to a linker or population of linkers that include an oligonucleotide fixed portion and an oligonucleotide variable portion represented by formula (N)n, wherein N is A, C, G, T or U, or their derivatives, and n is an integer equal to or higher than 1. A linker-polynucleotide or a population of linker-polynucleotides of the invention may be constituted by said linker or population of linkers and a target first strand polynucleotide bound to said linker. The invention also encompasses a method of preparing said linker or population of linkers and a method of preparing a linker-polynucleotide using said linker or population of linkers. The linkers or polynucleotide-linkers of the invention can be used in a method of preparing a cDNA library.
摘要:
The present invention relates to a linker or population of linkers that include an oligonucleotide fixed portion and an oligonucleotide variable portion represented by formula (N)n, wherein N is A, C, G, T or U, or their derivatives, and n is an integer equal to or higher than 1. A linker-polynucleotide or a population of linker-polynucleotides of the invention may be constituted by said linker or population of linkers and a target first strand polynucleotide bound to said linker. The invention also encompasses a method of preparing said linker or population of linkers and a method of preparing a linker-polynucleotide using said linker or population of linkers. The linkers or polynucleotide-linkers of the invention can be used in a method of preparing a cDNA library.
摘要:
The present invention provides a primer that effectively can detect, for example, the double helix structure of a nucleic acid. The primer is a labeled nucleic acid containing at least one structure represented by the following formula (16), where B is an atomic group having a nucleobase skeleton, E is an atomic group having a deoxyribose skeleton, a ribose skeleton, or a structure derived from either one of them, or an atomic group having a peptide structure or a peptoid structure, and Z11 and Z12 are each an atomic group that exhibits fluorescence and are identical to or different from each other.
摘要:
An object of the invention is to provide a method for increasing enzymatic reactivity to a target substance immobilized on a support; and a method for reducing or suppressing an inhibitory effect of a support on enzymatic reaction. The above object is achieved by a method for increasing enzymatic reactivity to a target substance immobilized on a support by allowing at least one substance selected from the group consisting of saccharides, amino acids, polyhydric alcohols and derivatives thereof to exist; and a method for reducing or suppressing an inhibitory effect of a support immobilized with a target substance on enzymatic reactivity to the target substance by allowing at least one substance selected from the group consisting of saccharides, amino acids, polyhydric alcohols and derivatives thereof to exist.
摘要:
The present invention relates to a process for synthesizing or amplifying efficiently a nucleic acid comprising a target nucleic acid sequence. The process involves providing a primer comprising in its 3′-end portion a sequence (Ac′) which hybridizes a sequence (A) in the 3′-end portion of the target nucleic acid sequence, and in the 5′-side of the sequence (Ac′) a sequence (B′) which hybridizes the complementary sequence (Bc) of a sequence (B) positioned in the 5′-side of the sequence (A) on the target nucleic acid sequence, wherein {X−(Y−Y′)}/X is in the range of −1.00 to 1.00, in which X denotes the number of bases in the sequence (Ac′), Y denotes the number of bases in the region flanked by the sequences (A) and (B) in the target nucleic acid sequence, and Y′ denotes the number of bases in an intervening sequence between the sequences (Ac′) and (B′) (Y′ may be zero).
摘要:
This invention provides a novel DNA polymerase obtained from Bacillus smithii JCM9076, which has novel features in terms of, for example, optimal reaction conditions (e.g., optimal temperature) and enzyme activity. More particularly, a novel DNA polymerase is a pol I type DNA polymerase, which is any of proteins (a) to (f) below and has DNA polymerase activity: (a) a protein comprising the amino acid sequence as shown in SEQ ID NO: 7; (b) a protein consisting of an amino acid sequence derived from the amino acid sequence as shown in SEQ ID NO: 7 by deletion, substitution, or addition of one or several amino acid residues; (c) a protein consisting of the amino acid sequence as shown in SEQ ID NO: 9; and (d) a protein consisting of an amino acid sequence derived from the amino acid sequence as shown in SEQ ID NO: 9 by deletion, substitution, or addition of one or several amino acid residues.
摘要翻译:本发明提供了一种从芽孢杆菌JCM9076获得的新型DNA聚合酶,其在例如最佳反应条件(例如最佳温度)和酶活性方面具有新特征。 更具体地,新型DNA聚合酶是pol I型DNA聚合酶,其是以下蛋白质(a)至(f)中的任一种,并且具有DNA聚合酶活性:(a)包含SEQ ID NO所示的氨基酸序列的蛋白质 :7; (b)通过缺失,取代或添加一个或几个氨基酸残基的由SEQ ID NO:7所示的氨基酸序列衍生的氨基酸序列组成的蛋白质; (c)由SEQ ID NO:9所示的氨基酸序列组成的蛋白质; 和(d)通过缺失,取代或添加一个或几个氨基酸残基,由SEQ ID NO:9所示的氨基酸序列衍生的氨基酸序列组成的蛋白质。
摘要:
Capillary columns (102) pass through and are inserted in a rubber plate (14), held and fixed by elastic force of rubber, and two-dimensionally arranged on a sample injection side. it fixes the capillary columns (102) arranged on a plane in close contact by holding the same with a holder plate (6a) from below and with a rubber plate (16) from above on a detection side. In order to press the capillary columns (102) against the holder plate 6a and fix the same with the rubber plate (16), a holder plate (6b) fixing the rubber plate (16) to the holder plate (6a) on both sides of the arrangement of the capillary columns (102) is provided.
摘要:
Problem to be Solved There is provided a method for detecting and/or amplifying a nucleic acid contained in a biological sample such as blood or cells conveniently, rapidly, and effectively.Solution There is provided a method for detecting a nucleic acid contained in a sample, comprising the step of adding at least one substance selected from the group consisting of polyphenols, polyhydric alcohols, sugar acids, sugar alcohols, and hydrophilic biodegradable polymers to a sample, the step of complementarily binding an oligonucleotide complementary to a part of the nucleic acid sequence of a nucleic acid to be detected to a part of the nucleic acid sequence, and the step of detecting the nucleic acid to be detected.