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132 results about "Nuclear gene" patented technology

A nuclear gene is a gene located in the cell nucleus of a eukaryote. The term is used to distinguish nuclear genes from the genes of the endosymbiotic organelle, that is genes in the mitochondrion, and in case of plants and algae, also the chloroplast, which host their own genetic system and can produce proteins from scratch.

Maize chloroplast aldolase promoter compositions and methods for use thereof

The current invention provides the promoter of the Zea mays nuclear gene encoding chloroplast-localized fructose-1,6-bisphosphate (F16BP) aldolase. Compositions comprising this sequence are described, as are plants transformed with such compositions. Further provided are methods for the expression of transgenes in plants comprising the use of these sequences. The methods of the invention include the direct creation of transgenic plants with the chloroplastic F16BP aldolase promoter by genetic transformation, as well as by plant breeding methods. The sequences of the invention represent a valuable new tool for the creation of transgenic plants, preferably having one or more added beneficial characteristics.
Owner:MONSANTO TECH LLC

Method for Increasing the Ratio of Homologous to Non-Homologous Recombination

Gene targeting allows the deletion (knock out), the repair (rescuing) and the modification (gene mutation) of a selected gene and the functional analysis of any gene of interest. Targeting of nuclear genes has been a very inefficient process in most eukaryotes including plants and animals due to the dominance of illegitimate integration of the applied DNA into non-homologous regions of the genome. The present invention provides a method for increasing the ratio of homologous to non-homologous recombination of a polynucleotide into a host cell's DNA by suppressing non-homologous recombination. Surprisingly, the number of non-homologous recombination events can be reduced if the polynucleotide is applied as a purified single-stranded DNA, preferably coated with a single strand binding protein.
Owner:HEGEMANN PETER +1

Molecular marker for identifying amur sturgeon germplasm and application of molecular marker

The invention provides a molecular marker for identifying amur sturgeon germplasm and a method for identifying amur sturgeon germplasm by virtue of the molecular marker. Amur sturgeon or a finished product thereof can be directly identified through sequence alignment on the basis of an interspecific sequence difference of an fzd8 gene segment obtained from PCR amplification of a specific primer between the amur sturgeon and other sturgeons. The molecular marker disclosed by the invention, which is used for analyzing and identifying an SNP site on the fzd8 nuclear gene segment screened from acipenseridae fishes, has the advantages of being accurate in experiment, reliable and rapid in identification, convenient and simple in operation, and the like.
Owner:CHINA THREE GORGES CORPORATION +1

ARMS fluorescent quantitative PCR-based gene mutation kit and method thereof

The invention relates to an ARMS fluorescent quantitative PCR-based gene mutation kit and a method thereof. Compared with present gene polymorphism detection kits and methods thereof, the enhanced ARMS fluorescent quantitative PCR-based gene polymorphism mutation kit and the method thereof have the advantages of strong specificity, high sensitivity, low cost, highly reliable result, low background, easy determination of the result, ascendant operation and use, fast and convenient fluorescent quantitative PCR, closed tube detection in the whole course, pollution reduction, and reduction of the unnecessary cost and workload. The fluorescent quantitative PCR can realize the characterization of the amplification efficiency by using a CT value, so the method can realize the detection of the nuclear gene polymorphism heterozygote genotype conditions, and makes the result accurately and reliably determined.
Owner:JIANGSU MACRO&MICRO TEST MED TECH CO LTD

Taqman probe fluorescent quantitation polymerase chain reaction (PCR) method for rapidly detecting pork or chicken compositions in food added with internal amplification control

The invention discloses a probe fluorescent quantitation polymerase chain reaction (PCR) method for rapidly detecting pork or chicken compositions in food added with internal amplification control. The method includes designing a primer and a probe respectively based on an animal nuclear gene; and artificially synthesizing one section of competitive internal amplification control and a corresponding probe,and establishing an internal standard fluorescent quantitation PCR system respectively, using ABI 7500 Software SDS 1.4 to analyze experiment results and taking amplification with a Ct value smaller than 36 as a detection positive result. According to the method, the method is provided with good specificity aimed at target species, false negative test results are avoided by monitoring PCR reaction in real time, a novel way is explored for identification of animal origin ingredients in food, and the method has the advantages of being accurate and stable, convenient to operate and the like.
Owner:NANJING AGRICULTURAL UNIVERSITY

Preparation method of transgenic dunaliella salina for improving photosynthesis efficiency

The invention provides a preparation method of transgenic dunaliella salina for improving the photosynthesis efficiency, which is characterized by comprising the following steps: colonizing or reforming genes related to carbon fixation and photosynthesis in a photosynthetic autotroph; transferring the genes into a chloroplast genome or nuclear genome of the dunaliella salina for expressing; successively and selectively culturing; and finally obtaining a stable transgenic dunaliella salina strain. By introducing independent or combined expression of high-efficiency genes related to carbon fixation and photosynthesis, the invention improves the concentration and the transferring speed of CO2 in the transgenic dunaliella salina and ensures that the capability of the transgenic dunaliella salina using the CO2 for photosynthesis can be improved, thereby promoting the autotrophic growth of the transgenic dunaliella salina, accelerating and increasing the accumulation of biomass liveweight of dunaliella salina cells and meeting the requirement on scale production of biodiesel and metabolin thereof as well as genetic engineering products.
Owner:ZHENGZHOU UNIV

Preparation method of liver cells with low expression or no expression of PERV

The invention discloses a preparation method of liver cells with low expression or no expression of PERV. The preparation method includes the following steps: (1), respectively preparing a recombinant vector containing siRNA applied to RNA interference technology, a recombinant vector containing gRNA applied to CRIPRS / Cas9 technology and a vector containing Cas9 applied to CRIPRS / Cas9 technology; (2), jointly transfecting the three vectors to porcine somatic cells, culturing the transfected porcine somatic cells, and screening and identifying to obtain monoclonal genetically-modified porcine somatic cells; (3), utilizing somatic cell nuclear transfer technology to obtain genetically-modified pig containing nuclear genes of the genetically-modified porcine somatic cells; (4), extracting liver cells of the genetically-modified pig. According to the preparation method, knockout before transcription and inhibition after transcription of PERV genes are realized, and the technical scheme is effective and feasible.
Owner:ZHUJIANG HOSPITAL SOUTHERN MEDICAL UNIV

Rice bacterial leaf blight resistance related gene OsABA2 and application thereof

ActiveCN107475210AEnhanced blight resistanceBlight increasedHydrolasesOxidoreductasesAgricultural scienceNucleotide
The invention discloses a rice bacterial leaf blight resistance related gene OsABA2 which consists of nucleotide sequences of SEQ ID No.2 as shown in the specification. The invention further discloses a rice lesion mimic gene which is capable of remarkably improving the resistance of rice to bacterial leaf blight, and a lesion mimic mutant can be acquired through gene edition on the OsABA2 gene. Novel functions of the OsABA2 gene are discovered, and the lesion mimic mutant acquired after the OsABA2 gene is knocked off through gene edition can be applied to rice bacterial leaf blight resistance breeding; meanwhile, the lesion mimic trait is controlled by a single recessive nuclear gene, and hybrid identification and selection can be relatively simple to implement in transgenosis or crossbreeding; and in addition, the lesion mimic gene is derived from nonglutinous rice and has a great promotion function on bacterial leaf blight resistant breeding of the nonglutinous rice.
Owner:SICHUAN AGRI UNIV

CAPs (C1eaved Amplified Polymorphic Sequences) molecular marker for identifying amaranthus tuberculatus based on SNP (Single Nucleotide Polymorphism) site and application thereof

The invention provides a CAPs (C1eaved Amplified Polymorphic Sequences) molecular marker for identifying amaranthus tuberculatus based on an SNP (Single Nucleotide Polymorphism) site and application thereof. The molecular marker is located on ITS (Internal Transcribed Spacers) and 26S sequences of an amaranthaceous plant nuclear gene, and a nucleotide sequence of the molecular marker is as shown in SEQ ID NO.1. Primer pair sequences for amplifying the molecular marker are as shown in SEQ ID NO.2 and SEQ ID NO.3. The specific molecular marker provided by the invention can realize rapid and accurate detection of the amaranthus tuberculatus and a reliable detection method is provided for rapid distinguishing and identification of alien invasive species.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Method for culturing sweet pepper cenospecies by genic male sterility dual purpose lines

The method of breeding sweet pepper hybrid with nuclear two-purpose male sterility line of sweet pepper features the breeding process, which includes the cross-breeding, selfing and sib breeding process to transfer the male sterile nuclear gene (msms) into selfing sweet pepper line with excellent agricultural character to obtain nuclear two-purpose male sterility line of sweet pepper of sterile plant rate of 50 %; the agricultural character selectivity of sib breeding for 2 or 3 generations to selectively breed the two-purpose male sterility line of sweet pepper with stable agricultural character, stable sterile plant rate of about 50 % and sterile degree of 100 %; culturing the hybrid seed with the sterile plants of the nuclear two-purpose male sterility line as female parent and the selfing line as male parent, removing the breeding plants before pollination and collecting seeds of the female parent. The present invention uses the nuclear male sterility line as both sterile line and maintainer line to simplify the breeding process.
Owner:河北省农林科学院经济作物研究所

Novel plants

Disclosed are novel genetically modified plant cells wherein a SHI (short internodes) family gene is integrated into the nuclear genome. Also disclosed are plant cells where a SHI antisense gene is integrated or plants including heterologous expression control of autologous SHI genes. The plant cells confer novel phenotypes upon plants incorporating the SHI family gene. The invention also discloses transgenic plants and methods for plant production, where the plants are dwarfed, but exhibit normal or increased flower set after induction of flowering with GA. The plants of the invention are obtained without use of any growth retardants.
Owner:UNIVERSITY OF COPENHAGEN

PCR primers and kit for screen of cabbage recessive nuclear gene male sterility, and application thereof

The invention discloses a molecular marker and special primers for assisting identification of cabbage recessive nuclear gene male sterility, and application thereof, and relates to molecular biological breeding technique. The name of primers for detecting the PCR marker for identifying the cabbage recessive nuclear gene male sterility is ms3-F / ms3-R; and identification of the cabbage male sterility by a reagent (primer pair) provided by the invention 100% coincides with field identification. The reagent, molecular marker or method are used for cabbage breeding, and have the advantages of simple operation, high specificity, good stability, and early breeding, and has great application prospects.
Owner:INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI

Diagnostic kit for obesity gene mutation and application thereof

InactiveCN109628581AAchieve zero omissionAchieve high accuracy detectionMicrobiological testing/measurementDNA/RNA fragmentationHigh-Throughput Screening MethodsBiotin
The invention provides a diagnostic kit for obesity gene mutation. Probe sequences are designed according to the principle of sequence reverse complementation in the direction from 5' to 3' specific to the coding sequence of obesity-related pathogenic genes, and the oligonucleotide in situ synthesis technology is adopted on a connecting joint of each probe sequence to conduct large-scale synthesisof oligonucleotide on a chip, the oligonucleotide on the chip is eluted with ammonia water to form an oligonucleotide mixture, and a biotin-labeled primer at 5' end is adopted to form a DNA probe library of biotin-labeled obesity-related pathogenic genes in a PCR method. A high-throughput screening method and application for obesity-related known sites are achieved, are faster, more economical and simpler than detection of single site-specific screening and whole-genome or whole-exon sequencing, have low equipment and environmental requirements, can be used in the polymorphic sites of obesity-related known nuclear genes, and is suitable for large-scale screening and preventive examination of obesity-related people.
Owner:ZHEJIANG UNIV

Novel cation lipoid, preparation and use thereof

The invention relates to a method for designing and synthesizing novel single-chain cationic lipids and application of the novel single-chain cationic lipids in preparing a nuclear gene nano-carrier by adoption of the novel single-chain cationic lipids as a surfactant. The method belongs to the technical field of chemistry, and is characterized in that the single-chain cationic lipids with easy dissolution, high efficiency and low toxicity are prepared by a chemical synthesis method; the synthesis method is simple; and the yield of products is high. Moreover, the novel single-chain cationic lipids are taken as the surfactant and applied in various carrier materials, and the nuclear gene nano-carrier which has uniform particle diameter, high drug loading amount and good stability, and is easy in surface modification is prepared by various methods. When acted on various tumor cells, the prepared nuclear gene nano-carrier shows lowcytotoxicity and high transfection efficiency. The lipids have good stability, high surface activity and good biodegradability, and can be used for preparing various nuclear gene nano-carriers.
Owner:SHANDONG UNIV

PCR (polymerase chain reaction) method and kit for identifying spina date seeds and counterfeits thereof on basis of ITS sequence site

The invention discloses a PCR (polymerase chain reaction) method and kit for identifying spina date seeds and counterfeits thereof on the basis of ITS sequence site. The invention provides primers for identifying spina date seeds, particularly a primer pair capable of amplifying amplification products of nucleotide disclosed as Sequence 1 in the sequence table and nucleotide disclosed as Sequence 2 in the sequence table. The experiment proves that screening is performed on the basis of the nuclear gene ITS sequence of the original plant to obtain the site specific primers for identifying the spina date seeds and counterfeits thereof, and the PCR reaction system and conditions are regulated to establish a site-specific PCR process. The site-specific primer PCR is simple to operate, and has the advantages of low cost, favorable repetitiveness, single identification strip, low sample consumption and the like. The specific primer PCR can greatly lower the false positive rate of PCR and ensure the identification accuracy.
Owner:华润三九现代中药制药有限公司 +1

PCR marker related to cabbage dominant nuclear gene male sterility and application thereof

The invention belongs to the technical field of molecular biological breeding, and relates to a PCR marker related to cabbage dominant nuclear gene male sterilityand application thereof. A method foridentifying or assisting in identifying the cabbage dominant nuclear gene male sterility is provided, it is detected that the genotype of to-be-detected cabbage C09 chromosome 29, 141, 514 positions is A / A or A / - or - / -, and the fertility of cabbage is determined according to the genotype of to-be-detected cabbage; the to-be-detected cabbage of the A / A genotype is normal; the to-be-detected cabbage of the A / - genotype is the heterozygous sterile; to-be-detected cabbage of the A / - genotype is homozygous sterile. By means of the PCR marker and a primer, the male sterility of the cabbage is assisted to be identified; the PCR marker has the advantages of being easy to operate, high in specificity and good in stability; the coincidence rate between identification results and field phenotypes reaches100%, early breeding of cabbage varieties can be achieved, and the PCR marker has great application prospects.
Owner:INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI

Construction of normalized cDNA libraries from eucaryotic cells

A new technology is described that allows for the rapid and efficient construction of complex cDNA libraries from cultured eukaryotic cells. The technology exploits eukaryotic biology by using transgenic constructs that have been nonspecifically inserted into the genome to facilitate the expression of nuclear genes as fusion transcripts. The invention further allows one to specifically subclone the corresponding fusion transcripts into highly complex cDNA libraries. The libraries are easily characterized by molecular analysis techniques such as hybridization, and individual clones can be directly sequenced to generate a sequence database of the cellular portion of the fusion transcripts.
Owner:LEXICON PHARM INC

Method for obtaining male sterile lines of rice through fertility genes S44

The invention discloses a method for obtaining male sterile lines of rice through fertility genes S44, and belongs to the technical field of biology. The method specifically includes the steps that amale sterile mutant controlled by single recessive nuclear genes is obtained through EMS mutagenesis rice, mutant character related genes are positioned through a Mutmap method, and the rice fertilityregulatory genes S44 are obtained. Mutation of the S44 genes can lead to a male fertility phenotype produced by rice, the fertility of plants can be regulated by regulating the expression of the S44genes, and according to the method for obtaining the male sterile lines of the plants and regulating the plant fertility, the great significance is achieved on researching anther developmental mechanisms of the plants and crossbreeding work of the rice.
Owner:SHENZHEN INST OF MOLECULAR CROP DESIGN

Production process of human lysozyme as AIDS treating medicine with plant as bioreactor

The present invention provides production process of human lysozyme as AIDS treating medicine with plant as bioreactor. Human lysozyme gene is cloned from human placenta and constructed into prokaryotic expression vector for efficient expression. Plant expression vector is constructed in lettuce, and the human lysozyme gene is introduced into lettuce nuclear genome to realize the efficient expression of human lysozyme gene in higher plant and to obtain one kind of lettuce containing human lysozyme. Human lysozyme mass produced in the said method may be used in treating AIDS, tumor and viral diseases.
Owner:甘肃亚盛盐化工业集团有限责任公司

Molecule detection method of Fusarium graminearum to medium resistance level bacterial strain of carbendazim

The invention belongs to a molecule detection method of Fusarium graminearum to medium resistance level bacterial strain of carbendazim. The method can be used for monitoring drug resistance of Fusarium graminearum to carbendazim and prevalence warning, wherein Fusarium graminearum can cause wheat scab. The detection method includes the following three main steps: (1) nuclear genome DNA of bacterial strain to be detected is respectively extracted: (2) internal and external primer pairs are utilized to carry out nested PCR, thus obtaining a target segment; (3) the target segment is respectively restricted by restriction enzymes HindIII and TaaI (Tsp4CI), and genotype of medium resistance level bacterial strain can be accurately identified by virtue of a restriction product electrophoresis spectrum. By adopting PIRA-PCR (primer-introduced restriction analysis PCR) technology, quantity of Fusarium graminearum with medium drug resistance in field and ratio thereof in group can be rapidly and accurately detected. Detection accuracy reaches more than 95%.
Owner:NANJING AGRICULTURAL UNIVERSITY

Cucumber mitochondrial genome SSR marker development and application of marker in seed purity identification

InactiveCN105886602AExplore polymorphismMicrobiological testing/measurementPaternal InheritanceHybrid seed
The invention discloses a method for identifying cucumber hybrid purity based on cucumber mitochondrial paternal inheritance characteristics by using a mitochondrial genome SSR marker technology, relates to cucumber mitochondrial genome SSR marker development as well as methods for respectively performing polymorphism screening on cucumber varieties of different ecotypes by using the developed cucumber mitochondrial marker and performing purity detection on cucumber F1 seeds by utilizing a polymorphism marker, belonging to the field of biotechnology breeding. According to the invention, the purity of cucumber hybrid first-generation seeds is detected by using a cucumber mitochondrial genome sequence development SSR marker, and false hybrid seeds and selfing seeds from other pollen sources on maternal cucumber plants are expected to be distinguished; relative to research in variety identification aspect based on a nuclear genome SSR marker technology, a novel detection method is provided by mainly utilizing the cucumber mitochondrial paternal inheritance characteristics, and a technical preparation is made for tracing paternal / maternal mitochondrial genomes in the hybridization process. The method also can be applied to detection of hybrid first-generation seeds of other paternal plant materials.
Owner:NANJING AGRICULTURAL UNIVERSITY

A Molecular Marker and Application of a Rapeseed Recessive Genic Sterile Gene Segment

The invention discloses a molecular marker and application of a rapeseed recessive nuclear sterile gene segment. The steps are as follows: A. Positioning BnMs3 and Bnrf in the Brassica oleracea by controlling the location of the rapeseed recessive nuclear sterile gene BnMs3 and Bnrf A genetic interval of less than 0.2cM on the N19 and N7 linkage groups of rapeseed; B. The TapidorBAC library was screened by marker screening combined with Southern hybridization, and the target clones JBnB043L23 and JBnB089D05 containing BnMS3 and Bnrf were obtained; C. BnMs3 was obtained by the sequencing of the target BAC The nucleotide sequence of the candidate gene segment with Bnrf; D, the difference between the nucleotide sequence of the BnMs3 and the allelic recessive gene Bnms3 gene segment according to C step and the difference between BnRf and the allelic recessive gene Bnrf gene segment Differences between nucleotide sequences, development and design of primers, and development of molecular markers for the BnMs3 and BnRf sterile gene segments. The application of molecular markers in the molecular marker-assisted breeding of the recessive genetic male sterile line and the temporary protection line of Brassica napus makes the molecular marker-assisted transfer of the recessive genetic male sterile line and the temporary protection line of rapeseed faster, more accurate and more accurate. efficient.
Owner:HUAZHONG AGRI UNIV

Primers and probe, kit and method used for precise and quantitative detection of ovine-derived materials

The invention relates to oligonucleotide primers and a probe used for precise and quantitative detection of ovine-derived materials, and a kit comprising the primers and the probe. The invention further relates to a digital PCR detection method used for quantitative detection of ovine-derived materials. The method involves use of the specific oligonucleotide primers and the fluorescent mark probe specific to the mutton single-copy nuclear gene. The invention further relates to the application of the specific oligonucleotide primers and the fluorescent probe specific to the mutton single-copy nuclear gene in quantitative detection of ovine-derived materials. By means of the digital PCR detection method, the content of ovine-derived materials in a sample can be determined precisely and sensitively.
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE

Maize cytoplasmic glutamine synthetase promoter compositions and methods for use thereof

The current invention provides the promoter of the Zea mays nuclear gene encoding glutamine synthetase. Compositions comprising this sequence are described, as are plants transformed with such compositions. Further provided are methods for the expression of transgenes in plants comprising the use of these sequences. The methods of the invention include the direct creation of transgenic plants with the cytoplasmic glutamine synthetase promoter by genetic transformation, as well as by plant breeding methods. The sequences of the invention represent a valuable new tool for the creation of transgenic plants, preferably having one or more added beneficial characteristics.
Owner:MONSANTO TECH LLC

Creating method of chili S (RfRf) type cytoplasmic male sterility restoring lines

The invention provides a creating method of chili S (RfRf) type cytoplasmic male sterility restoring lines. The method is characterized in that existing sterile line materials are used as the female parents, existing N (RfRf) materials are used as the male parents, the cytogenes of the female parents are taken and combined with the nuclear genes of the male parents to obtain target materials, the target-genotype intermediate materials are bred fast, and breeding reliability, accuracy and efficiency are increased. The creating method has the advantages that the method is simple in breeding procedure, objective traits and procedures of breeding can be controlled, breeding efficiency is increased greatly, the types and number of the bred restoring lines are increased greatly, and a new approach is provided for chili heterosis utilization and sterility line breeding and creating and the like.
Owner:ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS

Prevention of Bt resistance development

Plants made resistant to insects by transforming their nuclear genome with two or more DNA sequences, each encoding a different non-competitively binding B. thuringiensis protoxin or insecticidal part thereof, preferably the toxin thereof.
Owner:BAYER BIOSCIENCE N V

Primers, probe, kit and method for accurate quantitative digital PCR detection of dog-derived component

The invention relates to oligonucleotide primers and a probe for accurate and quantitative detection of a dog-derived component. The invention also relates to a digital PCR detection method for quantitative detection of the dog-derived component. The method comprises a step of utilizing the specific oligonucleotide primers and probe directed at a dog-derived single-copy nuclear gene. The invention also relates to a digital PCR detection kit for quantitative detection of the dog-derived component. The kit comprises the specific oligonucleotide primers and probe for digital PCR detection of the dog-derived component. The invention further relates to application of the specific oligonucleotide primers and probe directed at the dog-derived component to quantitative detection of the dog-derived component. With the digital PCR detection method and kit of the invention, whether fresh meat and preliminarily processed meat products contain the dog-derived component or not can be specifically, sensitively and accurately detected.
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE

Polymorphic primer of cinnamomum camphora nuclear genome SSR molecular marker and application thereof

ActiveCN110724760AReveal genetic diversityReveal structureMicrobiological testing/measurementDNA/RNA fragmentationBiotechnologyNucleotide
The invention discloses a polymorphic primer of a cinnamomum camphora nuclear genome SSR molecular marker and application thereof, and belongs to the technical field of forestry molecular biology. Thenucleotide sequence of the primer is shown as SEQ ID NO.1 to SEQ ID NO.14. The polymorphic primer is applied to the application of variety identification of cinnamomum camphora, and genetic structureand resource genetic diversity analysis of ancient cinnamomum camphora groups. A method includes the steps of genome DNA extraction, PCR amplification, polyacrylamide gel electrophoresis and data analysis. 186 individuals of 18 ancient cinnamomum camphora groups are subjected to genetic structure and resource genetic diversity study; the possibly forming reasons are analyzed according to existinggenetic structure and resource genetic diversity patterns of the cinnamomum camphora; and theoretical basis is provided for the wild cinnamomum camphora resource protection and utilization. The repeatability of the SSR molecular marker is high, and the real level of the genetic diversity of the cinnamomum camphora can be comprehensively disclosed.
Owner:INST OF BIOLOGICAL RESOURCES JIANGXI ACAD OF SCI +1
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