KABUSHIKI KAISHA DNAFORM Patent applications |
Patent application number | Title | Published |
20140295447 | PRIMER SET, METHOD FOR AMPLIFYING TARGET NUCLEIC ACID SEQUENCE USING SAME, AND METHOD FOR DETECTING MUTATED NUCLEIC ACID USING SAME - The present invention provides a primer set including primers that can be designed easily, with which an amplification distance can be shortened. Provided is a primer set for use in a method for isothermally amplifying a target nucleic acid sequence 4. The primer set includes a first primer 1F and a second primer 1R. The first primer 1F includes, on the 3′ side thereof, a sequence (A′) that can hybridize to a sequence (A) on the 3′ side of the target nucleic acid sequence. The second primer 1R includes, on the 3′ side thereof, a sequence (B′) that can hybridize to a sequence (B) on the 3′ side of either a strand extended from the first primer or a complementary strand of the target nucleic acid sequence 4. The first primer 1F and the second primer 1R include, on the 5′ sides thereof, sequences (C) that are substantially identical to each other. | 10-02-2014 |
20130302783 | PRETREATMENT METHOD OF BIOLOGICAL SAMPLE, DETECTION METHOD OF RNA, AND PRETREATMENT KIT - The present invention is to provide a pretreatment method that allows RNA to be detected promptly and simply. RNA degradation activity due to lactoferrin present in the human rhinal mucosa is inhibited, for example, by adding iron ion and carbonate ion to a biological sample that contains the human rhinal mucosa. With the pretreated biological sample, an RNA virus gene can be amplified by a reverse transcriptase. Iron ion and carbonate ion can also inhibit reverse transcriptase inhibition due to lysozyme C contained in the human rhinal mucosa. Further, it is preferable to remove the envelope of the RNA virus by adding SDS to the biological sample that contains the human rhinal mucosa. | 11-14-2013 |
20110236900 | NOVEL MUTS PROTEIN AND METHOD FOR DETERMING MUTATION USING THE SAME - A method for determining the presence or absence of a mutation on the basis of the presence or absence of amplification with high reliability is provided. A target sequence including a target site contained in a sample nucleic acid is amplified using a primer that can hybridize to a region including the target site contained in the sample nucleic acid in the presence of a novel MutS having an amino acid sequence of SEQ ID NO: 2, and then the presence or absence of a mutation at the target site is determined on the basis of the presence or absence of amplification. The novel MutS binds more specifically to a mismatched base pair than to a fully-matched base pair, whereby an extension reaction caused by a mismatch-binding primer is suppressed. Thus, according to the present invention, the presence or absence of a mutation can be determined with high reliability. | 09-29-2011 |
20110059868 | PROCESS FOR AMPLIFYING NUCLEIC ACIDS - The present invention relates to a process for synthesizing or amplifying efficiently a nucleic acid comprising a target nucleic acid sequence. In the process according to the present invention, 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 said sequence (Ac′) a sequence (B′) which hybridizes the complementary sequence (Bc) of a sequence (B) positioned in the 5′-side of said 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 said sequence (Ac′), Y denotes the number of bases in the region flanked by said sequences (A) and (B) in the target nucleic acid sequence, and Y′ denotes the number of bases in an intervening sequence between said sequences (Ac′) and (B′) (Y′ may be zero). | 03-10-2011 |
20100221787 | ISOTHERMAL AMPLIFICATION METHOD AND DNA POLYMERASE USED IN THE SAME - A DNA polymerase suitable for specific isothermal amplification methods and an isothermal amplification method using the DNA polymerase are provided. In the presence of a DNA polymerase including a protein described in the following item (a) or (b), an amplification reaction of a target nucleic acid sequence in a nucleic acid sample is carried out isothermally using a first primer shown in the following (X). By using the DNA polymerase, it becomes possible to carry out the amplification reaction using the primer within a shorter time than ever before.
| 09-02-2010 |
20100035249 | RNA SEQUENCING AND ANALYSIS USING SOLID SUPPORT - The present invention provides methods for the sequencing of all RNA species within an RNA sample, such as the RNA content obtained from a cell, a tissue, a living organism, or from an artificial source. RNA molecules within the samples are labeled in a RNA-specific manner prior to immobilization on a solid support. One label is used to mark the location of the RNA molecule on the solid support, whereas the second label is used to mark selectively the S′ end of full-length mRNA molecules. RNA molecules are sequenced while being bound to the solid support in one or more sequencing reactions, and sequences of individual RNA molecules can be forwarded to computational analysis for assembling sequence information from individual sequencing reads obtained from the same location on the solid support. Not only unsupervised expression profiling on a genome-wide scale, but also the direct analysis of RNA-RNA interactions become possible as revealed by the analysis of the sequencing information obtained along with genomic information. | 02-11-2010 |
20080227104 | Primer, primer set, and nucleic acid amplification method and mutation detection method using the same - 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), | 09-18-2008 |