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523 results about "Primer (molecular biology)" patented technology

A primer is a short single-stranded nucleic acid utilized by all living organisms in the initiation of DNA synthesis. The enzymes responsible for DNA replication, DNA polymerases, are only capable of adding nucleotides to the 3’-end of an existing nucleic acid, requiring a primer be bound to the template before DNA polymerase can begin a complementary strand. Living organisms use solely RNA primers, while laboratory techniques in biochemistry and molecular biology that require in vitro DNA synthesis (such as DNA sequencing and polymerase chain reaction) usually use DNA primers, since they are more temperature stable.

SSR (Simple Sequence Repeat) core primer group developed based on whole genome sequence of foxtail millet and application of SSR core primer group

The invention discloses an SSR (Simple Sequence Repeat) core primer group developed based on whole genome sequence of foxtail millet and an application of the SSR core primer group, and belongs to the technical field of molecular biology. The core primer group comprises 30 pairs of primers, wherein nucleotide sequences are represented by SEQ ID NO. 1-60. The primer has advantages of clear electrophoretic band and rich polymorphism, and is uniformly distributed and stable in amplification. The invention also provides the application of the SSR core primer group in identifying the genetic diversity and variety of the foxtail millet. The primer group can be used for precisely and quickly identifying the variety of the foxtail millet and precisely reflecting a genetic relationship among the varieties of the foxtail millet.
Owner:CROP RES INST SHANDONG ACAD OF AGRI SCI

Method for simultaneous detection of Mycobacterium tuberculosis complex and identification of mutations in mycobacterial DNA resulting in the resistance of microorganisms to rifampicin and isoniazid on biological microarrays, set of primers, biochip, and set of oligonucleotide probes used in the method

The present invention relates to molecular biology, microbiology, and medicine and provides the method for detection of Mycobacterium tuberculosis complex with simultaneous evaluation of sensitivity of the strains to rifampicin and isoniazid in clinical sample on differentiating biochip. The method is based on two-stage multiplex PCR to obtain fluorescent DNA fragments followed by hybridization of these fragments on microarray containing the set of specific discriminating oligonucleotides. The determination of the resistance of Mycobacterium tuberculosis to rifampicin and isoniazid is carried out by evaluation of point nucleotide substitutions in DNA of microorganism. The present invention allows conduct analysis directly in clinical sample, to evaluate a number of mutations simultaneously, to decrease the cost price of analysis, and to reduce the time of its conducting. The present invention also relates to set of primers, biochip, and set of oligonucleotide probes used in realization of the method.
Owner:UCHREZHDENIE ROSSIISKOI AKADI NAUK INST MOLEKULYARNOI BLOLOGII IM V A ENGELGARDTA RAN IMB RAN

Primer probe set for detecting novel corona virus SARS-CoV-2 and detection method

The invention provides a primer probe set for detecting a novel corona virus SARS-CoV-2 and a detection method, and belongs to the technical field of molecular biology detection. The primer probe setfor detecting the novel corona virus SARS-CoV-2 by an RT-RAA fluorescence method comprises an upstream primer, a downstream primer and a probe, wherein the nucleotide sequence of the upstream primer is as shown in SEQID NO.1, the nucleotide sequence of the downstream primer is as shown in SEQID NO.2, and the probe is a substance, wherein the 31st-site basic group of a nucleotide sequence as shownin SEQID NO.3 is modified with a fluorescence report base group, the 32nd-site basic group of the nucleotide sequence as shown in SEQID NO.3 is replaced with a tetrahydrofuran residue, and the 34th-site basic group of the nucleotide sequence nucleotide sequence as shown in SEQID NO.3 is modified with a quenching base group. The primer probe set provided by the invention is quick, accurate and acute in detection, and simple and convenient to operate, the specificity can reach 100%, and detection of the novel corona virus SARS-CoV-2 can be completed within 30min.
Owner:JIANGSU QITIAN GENE BIOTECHNOLOGY CO LTD +1

Method for detecting gene mutation genotyping based on Taqman-ARMS (Amplification Refractory Mutation System) technology and kit

The invention discloses a method for detecting gene mutation genotyping based on a Taqman-ARMS (Amplification Refractory Mutation System) technology, relating to the field of molecular biology. According to the method, an ARMS mutation enrichment technology and a Taqman-MGB (Minor Groove Binder) specificity fluorescence detection technology are combined, a mutation target sequence is subjected to specificity PCR (Polymerase Chain Reaction) amplification by using an ARMS primer, a Taqman-MGB probe is used for carrying out specificity locus detection on an amplification product, and specific mutation is identified on the basis of Real-time PCR. Compared with mutation detection technologies such as direct sequencing, chip detection and the like, the method has the advantages of strong specificity, high sensitivity, simplicity and rapidness in operation, high flux and the like when used for detecting gene mutation.
Owner:JIANGSU MICRODIAG BIOMEDICINE TECH CO LTD

SNP (single nucleotide polymorphism) marker for evaluating growth performance of ctenopharyngodonidella, primer and evaluation method

The invention provides an SNP (single nucleotide polymorphism) marker (comprising SNP1 and SNP4) for evaluating growth performance of ctenopharyngodonidella and a primer pair for amplifying a gene segment where an SNP locus is positioned by virtue of methods of molecular genetics and molecular biology. SNP1 is positioned at the 940th locus in a promoter of a complete sequence of a MyoD (myogenic determining factor) gene of the ctenopharyngodonidella, and a base T is inserted or deficient at the position; SNP4 is positioned in a 107th locus in a first intron of the complete sequence of the MyoD gene of the ctenopharyngodonidella, and a base at the position is A or T. The growth performance of the ctenopharyngodonidella is determined by detecting haplotypes of the two SNP loci. The adopted haplotypes are mutated according to bases generated in the MyoD gene, so that genetic exchange and further phenotype verification are avoided. By virtue of the haplotypes of the SNP marker, rapidly growing ctenopharyngodonidella can be simply and rapidly identified, and rapidly growing ctenopharyngodonidella of a new line can also be guided to be bred.
Owner:PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI

Probe and primer for detecting novel coronavirus SARS-CoV-2, kit, detection method and application

The invention discloses a probe, a primer, a kit, and a detection method for detecting novel coronavirus SARS-CoV-2, and application, belongs to the technical field of molecular biology nucleic acid detection technology, and aims to solve problems in field detection, reduce pollution caused in detection process, increase virus RNA detection sensitivity and specificity. The invention provides the probe and the primer for detecting novel coronavirus SARS-CoV-2, and the kit containing the probe and the primer. The invention further provides a whole-course encapsulated procedure for exponential amplification from RNA (WEPEAR method). According to the invention, the detection sensitivity on N gene as low as 1ag (about 4 copies) is realized; the detection sensitivity on S gene as low as 1 copy is achieved, meanwhile, double genes of virus nucleic acid RNA based on RT-RPA (or RT-ERA) are detected at the same time so as to further improve the reliability of the detection result, and the kit can be used for field detection or household detection.
Owner:HARBIN INST OF TECH

Plant anther specific promoter PCHF15 and application thereof

ActiveCN106434673AExpression level is preciseEngineering favorableVector-based foreign material introductionAngiosperms/flowering plantsPollenGenetic engineering
The invention relates to genetic engineering and molecular biology, and particularly discloses a plant anther specific promoter PCHF15 and application thereof. The invention further provides an expression vector with the plant anther specific promoter PCHF15, a genetic expression box and a carrier with the genetic expression box. The invention also provides a primer pair for amplifying the plant anther specific promoter PCHF15. The plant anther specific promoter PCHF15 is an endogenous gene of rice, is beneficial to genetic engineering of the rice, and drives exogenous genes to accurately express specificity in pollen, so that a novel method for driving specificity expression of the exogenous genes in the pollen is provided.
Owner:HAINAN BOLIAN RICE GENE TECH CO LTD

Method and kit for detecting mononucleotide polymorphic site rs 3820189 of high blood pressure susceptibility gene Mfn2

The invention belongs to the fields of molecular biology and medicine, and relates to a method and a kit for detecting the polymorphic site of high blood pressure susceptibility gene. The invention provides the method for detecting the polymorphic site of the high blood pressure susceptibility gene, which comprises the following step of detecting the gene type of human mitofusin gene 2 (Mfn2) rs3820189 site, wherein the rs3820189 is provided with an individual of T gene type, and the susceptibility of the high blood pressure is obviously higher than common crowd. The invention further discloses a corresponding detection kit which comprises a primer amplifying the rs3820189 site, and a primer amplifying a region of Mfn2 gene 5' guide sequence, comprising the rs3820189 site. The method is used for detecting the gene type of the rs3820189 site, and is simple and practical, quick and high-efficiency, and lower in cost, so that a simple new way for diagnosing and treating the high blood pressure is provided.
Owner:BEIJING ANZHEN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV +1

Loop-mediated isothermal amplification detection primer set, reagent kit and method for SARS-CoV-2

The invention provides a loop-mediated isothermal amplification detection primer set, reagent kit and method for SARS-CoV-2, and belongs to the technical field of medical science and molecular biologydiagnosis. Based on stability and uniqueness of RdRp, E and N genes in the SARS-COV-2, three primer sets are designed to perform amplification detection on the gene, the primer concentration is reduced, the reaction specificity is improved, and the false positive is reduced. Therefore, the detection primer set, reagent kit and method, provided by the invention are high in detection speed, high insensitivity and high in specificity, and have favorable practical application value.
Owner:JINAN CENTER HOSPITAL

Internal standard gene suitable for detecting transgene carnation exogenous gene, preparation method and application thereof

InactiveCN101705304AMicrobiological testing/measurementFermentationCopy number analysisCarnation
The invention relates to an internal standard gene suitable for detecting a transgene carnation exogenous gene. According to the three standards of the intraspecies non-specificity, the interspecies specificity and the single-copy or low-copy number of the internal standard gene and by the analysis of biologic informatics and the experimental verification of molecular biology, the invention searches out an ANS gene conforming to the standards to be used as the internal standard gene for the qualitative and quantitative PCR detection of transgene carnation in the carnation. A qualitative PCR primer is ANS-F1 / ANS-R1, a quantitative PCR primer is ANS-F2 / ANS-R2, and a quantitative PCR probe is ANS-probe. The ANS gene is used as the internal standard gene for the qualitative and quantitative PCR detection and the copy number analysis of the transgene carnation.
Owner:SHANGHAI ACAD OF AGRI SCI

Method for developing SSR (Simple Sequence Repeat) primers of sisal hemp based on transcriptome sequencing

The invention discloses a method for developing SSR (Simple Sequence Repeat) primers of sisal hemp based on transcriptome sequencing and belongs to the technical field of molecular biology. A preparation method of the SSR primers comprises the following five steps: extracting Total RNA (Ribonucleic Acid) and constructing a transcriptome library; carrying out transcriptome sequencing and sequence quality analysis; carrying out transcript assembly and SSR labeling analysis; designing the SSR primers; carrying out PCR (Polymerase Chain Reaction) amplification on the primers and electrophoresis analysis on amplified products. According to the method disclosed by the invention, a transcriptome sequence of the sisal hemp at a certain specific period is obtained by using a transcriptome sequencing method; then the SSR labeling analysis is carried out by bioinformatics analysis software, and further the SSR labeled primers of the sisal hemp are developed; the labeling and developing efficiency is high, and the blank of scarce SSR labels of the sisal hemp at present is filled up.
Owner:SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI

Molecular biology method for quickly identifying Heliothis armigera and Helicoverpa assulta

The invention discloses a method for quickly identifying Heliothis armigera and Helicoverpa assulta, and belongs to the field of molecular biology. The method comprises the following steps of: extracting total DNA by adopting a standard phenol-chloroform protocol or a DNA extraction kit; amplifying a front sequence of mitochondria CO1 by using a DNA barcode primer, and using the amplified sequence as a mark; and performing diagnostic characters of nucleotides. By the method, different biotypes and larvae or incomplete individuals of the same variety of Heliothis armigera and Helicoverpa assulta can be identified; and the method has the characteristics of quickness and convenience, and is more accurate and reliable than the traditional morphologic identification.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD

PCR (Polymerase Chain Reaction) amplification primer for quickly detecting klebsiella pneumonia and application thereof

The invention discloses a PCR (Polymerase Chain Reaction) amplification primer for quickly detecting klebsiella pneumonia and application thereof, and belongs to the field of animal bacteriology and molecular biology. The PCR amplification primer is prepared from an upstream primer having a nucleotide sequence as shown in SEQ ID NO:1 and a downstream primer having a nucleotide sequence as shown inSEQ ID NO:2; the PCR amplification primer is used for preparing a PCR amplification kit for detecting the klebsiella pneumonia. A PCR detecting method provided by the PCR amplification kit has high specificity and sensitivity, good repeatability and high credibility and is capable of specifically detecting the klebsiella pneumonia and quickly and accurately obtaining a detecting result; meanwhile, the PCR amplification kit is low in cost and simple in operation, is suitable for being used at the primary level and can be used as a quick, accurate and simple detecting tool for quick laboratoryidentification of the klebsiella pneumonia and large-scale epidemiological investigation.
Owner:GUANGXI VETERINARY RES INST

Haynaldia villosa's 6VS chromosome specific molecular marker 6VS-BH1 and application thereof

The invention relates to a haynaldia villosa's 6VS chromosome specific molecular marker 6VS-BH1 and an application thereof, and belongs to the technical fields of molecular biology and genetic breeding science. The labeled primer 6VS-BH1 is developed on the basis of wheat-brachypodium distachyon comparative genomics means, and the specific sequence is 6VS-BH1F, as shown in SEQ ID NO.1, and 6VS-BH1R, as shown in SEQ ID NO.2. The molecular marker 6VS-BH1 has the advantages of wide annealing temperature range (60-66 DEG C), good stability, strong product brightness, high resolution and the like. The molecular marker 6VS-BH1, as a co-dominant marker, not only can be used for effectively tracing haynaldia villosa's 6VS chromosome in wheat background, but also can be used for distinguishing a homozygote and heterozygote and for distinguishing a Pm21 gene carried translocation line T6VS.6AL and a PmV gene carried translocation line T6VS.6DL. Therefore, the molecular marker 6VS-BH1 disclosed by the invention has an important practical value in the molecular marker-assisted selection breeding of wheat powdery mildew and the pyramiding breeding of Pm21 gene and PmV gene.
Owner:JIANGSU UNIV

SCAR molecular mark for performing sex identification of siraidia grosvenorii

The invention belongs to the field of plant molecular biology, and in particular relates to a method for identifying male or female of the siraidia grosvenorii by means of PCR and provides specific DNA segment sequences of male plants of the siraidia grosvenorii, the design of PCR primers, the optimization of PCR conditions and the like.
Owner:怀化兴科创生物技术有限公司

Galectin-3 binding protein, preparation and application thereof

InactiveCN102942624AAntibacterial agentsPeptide/protein ingredientsGalectin 3 binding proteinThiogalactosides
The invention relates to the field of molecular biology, and in particular to a galectin-3 binding protein, and preparation and application thereof. The galectin-3 binding protein is shown as an amino acid sequence SEQ ID No.1 in the sequence table. The preparation method is as below: using Cynoglossus semilaevis cDNA as a template; conducting PCR amplification by primers F1 and R1; connecting PCR products to an expression vector to obtain a plasmid pETG3BP; conversing BL21DE3 to obtain a transformant BL21 / pETG3BP; inducting by isopropyl-beta-D-thiogalactoside; and purifying the recombinant protein with affinity chromatography column to obtain the galectin-3 binding protein. The galectin-3 binding protein has significant binding ability to various bacteria.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Sarcoma fusion gene and/or mutation joint detection primer group and kit

The invention relates to the technical field of molecular biology, and particularly discloses a sarcoma fusion gene joint detection primer group, kit and detection method. The kit provided by the invention comprises: 1) a special linker for DNA library construction; 2) a specific composite primer for detecting fusion genes and point mutation; and 3) a composite primer for library amplification. DNA and RNA of a to-be-detected sample are respectively extracted, reverse transcription is performed on RNA to synthesize cDNA, the cDNA is mixed with DNA, fragmentation, terminal repair and linker ligation are performed on the mixture, PCR amplification is performed on the product, a library is enriched, and high-throughput sequencing is performed. According to the fusion gene detection kit and detection method provided by the invention, various fusion genes or mutations related to sarcoma can be detected at one time, the detection efficiency is improved, the operation is convenient, the consumption time is short, and the sensitivity is relatively high and can reach 0.1%.
Owner:苏州科贝生物技术有限公司

Kit for carrying out early warning and screening on liver cancer

ActiveCN105420370ASave DNA amountSave timeMicrobiological testing/measurementDomain familyP16 gene
The invention belongs to the field of molecular biology (tumor screening), particularly relates to a technology for carrying out early warning and screening on liver tumor, and aims to solve the technical problem to provide a new choice for early prediction of the liver tumor. The technical scheme of the invention is that a kit for carrying out early warning and screening on liver tumor comprises a primer which is used for amplifying the following genes of an RASSF1A (Ras-association Domain Family 1A) gene of which a promoter is in a CpG island methylation state, a p16 gene, ELF (Embryonic Liver Fodrin), an SOCS (Suppressors of Cytokine Signaling)-3 gene, an SFRP1 (Secreted Frizzled-Related Protein 1) gene and a genome repetitive sequence LINE1 (Long Interspersed Nuclear Elements 1). According to the kit disclosed by the invention, a new effective inspection method is provided for carrying out early warning and screening on early liver tumor and liver cirrhosis; the cost is low, the use is very convenient, the flexibility is high, the specificity is good, and the application prospect is very good.
Owner:SICHUAN UNIV

Real-time fluorescence PCR (polymerase chain reaction) method and primer pair for identifying gender of oreochromis niloticus

The invention relates to a real-time fluorescence PCR (polymerase chain reaction) method for identifying the gender of oreochromis niloticus, and belongs to the technical field of molecular biology. The research comprises selecting gender-related gene AMH of oreochromis niloticus to design a pair of specific real-time fluorescence PCR primers, wherein the expression quantities of the gene in male fish and female fish have significant difference, the gender of the oreochromis niloticus can be identified by comparing the expression quantity of gene AMH with the expression quantity of adult fish ovary AMH gene. The method provided by the invention is strong in specificity, high in reliability and can be used for identifying the gender of tilapia mossambica at fingerling stage.
Owner:FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI

Nucleic acid composition, kit and detection method for detecting methylation of lung cancer related genes

The invention discloses a nucleic acid composition, kit and detection method for detecting methylation of lung cancer related genes, and relates to the field of molecular biology. The nucleic acid composition comprises a primer composition, wherein the primer composition comprises a first primer pair for detecting methylation of an RASSF1A gene, a second primer pair for detecting methylation of anSHOX2 gene and a third primer pair for detecting methylation of a PTGER4 gene. The nucleic acid composition can realize simultaneous detection of methylation of the RASSF1A, HOX2 and PTER4 genes on the basis of a fluorescent quantitative PCR platform, and has the characteristics of high sensitivity and high specificity.
Owner:SUREXAM BIO TECH

Method for high-pass multi-enrichment quantitative PCR (ME-qPCR) detection of transgenic crop element and strain

The invention relates to molecular biology, and particularly discloses a method for detection of transgenic crops.Inner primers and outer primers are designed according to the endogenous gene, exogenous gene and transgenic strain flanking sequence of a transgenic crop, all the inner primers and outer primers are mixed firstly for the first round of high-pass multi-enrichment quantitative PCR with a small cycle number (15 cycles), then the second round of fluorogenic quantitative PCR is conducted with the inner primers, a result is analyzed according to an amplification curve and a fusion curve, and in this way, the success rate and stability of the method are improved remarkably and the purpose of high-pass detection of transgenic crops can be realized.The sensitivity of the method is higher than that of ordinary fluorogenic quantitative PCR by about one magnitude order; the method has the same quantitative capacity as ordinary fluorogenic quantitative PCR, has high specificity and is a more effective method for detection of transgenic crops.
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE

Haemophilus parasuis detection kit and detection method thereof

The invention relates to a haemophilus parasuis detection kit and a detection method thereof, and belongs to the technical field of molecular biology. The detection kit comprises a primer pair, PCR Mix, a position control and dd H2O. The haemophilus parasuis detection kit disclosed by the invention has the primer pair designed according to an mviN gene sequence in a high conserved domain, is good in specificity, and can accurately distinguish the haemophilus parasuis strain LC from haemophilus paragallinarum, actinobacillus pleuropneumoniae, pasteurella muhocida, arcanobacterium pyogenes, staphylococcus aureus and streptococcus suis; the detection kit and the detection method provided by the invention are high in sensitivity, short in consumed time, accurate in detection, and important in significance of monitoring haemophilus parasuis reproduction, disease occurrence and prevalence as well as timely control of the disease.
Owner:INST OF ANIMAL SCI & VETERINARY MEDICINE SHANDONG ACADEMY OF AGRI SCI

MNP core primer combination for eggplant DNA variety molecular identification and application thereof

The invention belongs to the technical field of molecular biology, and particularly discloses an MNP core primer combination for eggplant DNA variety molecular identification and application thereof.The primer combination is shown by a table 1. The primer combination composed of 522 MNP core primers provided by the invention can be compatible with a next-generation sequencing platform, has the characteristics of high efficiency, correctness, high reproducibility and the like, and meets the requirements of eggplant standard fingerprint data construction; the authenticity of the eggplant sampleto be detected can be accurately identified by identifying the eggplant sample to be detected and the control variety; analysis on eggplant high-generation selfing line materials shows that the MNP site has high polymorphism and repeatability, can distinguish different eggplant groups, and has a wide application range.
Owner:WUHAN ACADEMY OF AGRI SCI +1

SSR (Simple Sequence repeats) primer group based on Fraxinus Velutina Torr. transcriptome sequencing information development and application of primer group in germplasm identification

The invention discloses an SSR (Simple Sequence repeats) primer group based on Fraxinus Velutina Torr. transcriptome sequencing information development and an application of the primer group in germplasm identification, belonging to the technical field of molecular biology. The SSR primer group comprises 42 pairs of primers, wherein the nucleotide sequences of the first pair to the forty-second pair of primers are shown in SEQ ID No.1 to SEQ ID No.84. Experiments verify that the SSR primer group disclosed by the invention has the advantages of rich polymorphism, good repeatability, clear electrophoretic band and the like. The SSR primer group can be effectively used for researches on germplasm identification, DNA fingerprint establishment and the like. A germplasm identification method is sensitive and reliable, can be used for rapidly and accurately realizing and finishing distinguishment and identification of Fraxinus chinensis germplasm, and has important significances in identification and intellectual property protection of Fraxinus chinensis germplasm resources and genetic breeding of genetic breeding molecules.
Owner:CHINA AGRI UNIV +1

Primers and kit for detecting molecular marker linked to major QTL for controlling corn stalk strength, detection method for detecting corn stalk strength, and applications of primers, kit and detection method

The invention relates to primers and a kit for detecting a molecular marker linked to major QTL for controlling corn stalk strength, a detection method for detecting corn stalk strength, and applications of the primers, the kit and the detection method, and belongs to the technical field of corn genetic breeding and molecular biology. According to the present invention, a recombinant selfing linepopulation containing 241 families is constructed through Zheng 58*D863F, and genetic linkage map analysis is performed, such that four QTL for controlling corn stalk strength are detected, wherein the high stalk strength major QTL qRPR1.07 is identified simultaneously at the position 1.07 of the chromosome 1 of the corn from Hainan Ledong and Henan Yuanyang Demonstration Base, and is positioned between two SSR markers bnlg1556 and umc2232 so as to explain nearly 20% of genetic variation; and the molecular marker linked to the major QTL for controlling corn stalk strength can directionally andprecisely screen corn materials with high stalk strength at the early stage of growth so as to save the breeding cost and the breeding time, and is used for lodging-resistant breeding of corn.
Owner:河南省农业科学院作物设计中心

Wheat TaARF12 gene and application thereof

The invention provides a wheat TaARF12 gene and application thereof, and belongs to the field of molecular biology of crops. A designed primer clones a coding region sequence of TaARF12 from cDNA of Chinese spring young ears, and the coding region sequence of the TaARF12 gene in homologous chromosomes A, B and D is represented as SEQ ID NO. 1-3 respectively. A TaARF12-specific RNAi fragment is selected, an RNAi vector is created, and Fierder is transformed. A CRISPR / Cas9 vector is used to create a gene editing vector containing two target sites and transform wild-type Fierder. Obtained RANi transgenic lines and gene editing lines have similar phenotypes, with plants becoming shorter and ears becoming longer. It is indicated that the wheat TaARF12 gene can regulate the plant height and theear length, and the plants become shorter and the ears become longer after the gene is interfered and expressed.
Owner:INST OF CROP SCI CHINESE ACAD OF AGRI SCI

Real-time fluorescent quantitative PCR (polymerase chain reaction) detecting reagent kit for orf virus

The invention discloses a real-time fluorescent quantitative PCR (polymerase chain reaction) detecting reagent kit for an orf virus and belongs to the technical field of viral molecular biology detection. The real-time fluorescent quantitative PCR detecting reagent kit for the orf virus comprises a pair of primers of nucleotide sequences shown in SEQ ID NO:1-2 and a TaqMan probe of a nucleotide sequence shown in SEQ ID NO:3. The detecting reagent kit can quickly and accurately detect the orf virus from samples and is high in detecting sensitivity and simple and convenient to sample, detecting efficiency is greatly improved, pollution can be effectively prevented, and the detecting reagent kit is of practical significance in the field of inspection and quarantine of import and export animals.
Owner:GUANGZHOU BONIZZI BIOTECH CO LTD

Preparation method and application of fish-derived galactose lectin CaGal recombinant protein

InactiveCN108409850AMaintain natural biological activityEasy to prepareAntibacterial agentsBacteriaEscherichia coliAquatic animal
The invention discloses a preparation method and application of a fish-derived galactose lectin CaGal recombinant protein, and belongs to the field of aquatic animal molecular biology. According to the technical scheme, the cDNA of Qihe crucian carp Carassius auratus is took as a template, F / R is used as the primer for carrying out PCR amplification, the PCR product CaGal is connected with a carrier pET-32a to construct pET-32a-CaGal recombinant expression vector; the vector is transformed into escherichia coli BL21 (DE3) to obtain the escherichia coli expression strain pET-32a-CaGal-BL21 which can express the galactose lectin CaGal recombinant protein, and the galactose lectin CaGal recombinant protein can be obtained through separation and purification. The galactose lectin CaGal recombinant protein can keep the natural biological activity, so that pathogenic bacteria such as aeromonas hydrophila can be effectively inhibited, the antibacterial effect is obvious, and the preparation method is simple and can be used as a novel fish immune additive or an antibacterial drug.
Owner:HENAN NORMAL UNIV
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