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351 results about "Functional genes" patented technology

Functional gene. a portion of DNA coding for one POLYPEPTIDE CHAIN or other gene product. The one gene/ one enzyme hypothesis thus becomes the ‘one cistron (gene)/one polypeptide’ hypothesis or ‘one gene/one functional product’ hypothesis.

Microbial community dynamic monitoring method based on bioinformatics

The invention relates to the field of microbial communities, and discloses a bioinformatics-based microbial community dynamic monitoring method, which comprises the following steps: acquiring high-frequency acquisition data based on a trace sample, constructing a microbial data stream for time sequence analysis, and carrying out rapid metagenome marker amplification on each sampling unit in the data stream, obtaining a preliminary feature matrix; based on the co-occurrence frequency of the microbial functional genes in the preliminary feature matrix, constructing a multi-dimensional feature mapping graph; performing real-time mode recognition on the flora abundance change trend based on the dynamic fluctuation region; aiming at the key dynamic signal segment, adopting a distributed clustering method based on variation information entropy regulation and control to reconstruct the evolution trajectory of the flora, and generating a flora time sequence behavior vector set; and based on the flora time sequence behavior vector set, performing dynamic alignment with a pre-constructed reference model by using a multi-scale trend matching algorithm. The method has the advantages of high timeliness and automatic processing capability.
Owner:HUBEI UNIV OF EDUCATION

Application of brassica napus BnC05ERF378 gene in improving waterlogging resistance of plants

The invention discloses an application of a rape BnC05ERF378 gene in improving the waterlogging resistance of a plant. The nucleotide sequence of the rape BnC05ERF378 gene is as shown in SEQ ID NO. 1. According to the invention, a brand new stain-resistant gene BnC05ERF378 is cloned from rape for the first time, and is transferred into arabidopsis thaliana to construct a pure line plant and complete stain resistance identification. Experimental results show that the growth state of the transgenic BnC05ERF378 gene arabidopsis thaliana is remarkably superior to that of a wild type after waterlogging treatment, the transgenic BnC05ERF378 gene arabidopsis thaliana can normally bolt, the survival rate is increased from 12.5% to 37.5%, it is fully proved that the gene can enhance the survivability of the plant in a waterlogging environment by regulating the response mechanism of the plant to waterlogging stress, and the survival rate of the plant is increased from 12.5% to 37.5%. And a key guarantee is provided for stable growth of plants under high-humidity, waterflooding and other adverse conditions. According to the discovery and application of the waterlogging-resistant gene BnC05ERF378 disclosed by the invention, a clear functional gene target is provided for improvement of waterlogging resistance of crops. By constructing an expression vector containing the gene and combining mature technologies such as agrobacterium transformation, the gene can be stably introduced into a target plant, and a pure transgenic plant is obtained.
Owner:OIL CROPS RES INST CHINESE ACAD OF AGRI SCI

SCRE10 gene for improving disease resistance of rice and application of SCRE10 gene

The invention belongs to the technical field of plant genetic engineering, and particularly relates to an SCRE10 gene for improving rice disease resistance and application of the SCRE10 gene, the base sequence of the SCRE10 gene is shown as SEQ ID NO.1, and the amino acid sequence of the SCRE10 gene is shown as SEQ ID NO.2. Through construction of a dexamethasone induced expression SCRE10 transgenic rice plant, it is found that the transgenic rice can significantly induce PR gene expression and active oxygen outbreak, and the resistance of rice to false smut and bacterial leaf blight can be improved. The invention proves that heterologous inducible expression of the Ustilaginoidea virens SCRE10 gene has the function of positively regulating the disease resistance of the rice, and the SCRE10 gene can be used for improving the disease resistance of the rice, which is of great significance to the creation of disease-resistant germplasm of the rice.
Owner:JILIN AGRICULTURAL UNIV

Construction method of soil microorganism nitrogen metabolism function prediction model

The invention discloses a construction method of a soil microorganism nitrogen metabolism function prediction model, and relates to the technical field of environmental microbiology and agricultural information, and the method comprises the following steps: S1, constructing a spatial-temporal heterogeneity representation engine, and dynamically decoupling a multi-level gradient of a soil environment through an adaptive spatial-temporal mesh generation algorithm; according to the construction method of the soil microorganism nitrogen metabolism function prediction model, the adaptive capacity of the soil microorganism nitrogen metabolism function prediction model in a complex environment is improved, and multi-level environment gradient dynamic analysis from a centimeter-level rhizosphere microdomain to a kilometer-level landscape scale is realized; the problem of cross-scale feature fusion caused by temporal-spatial resolution mismatch of a traditional model is solved, the simplified hypothesis of a traditional statistical model on the synergistic-antagonistic relationship of microbial functional genes is broken through, a dynamic coupling mechanism of a nitrogen metabolism path under environmental disturbance is accurately quantified, and the prediction error is reduced compared with the prior art.
Owner:HEZE UNIV

Method and system for analyzing ecological quality trend of crested ibis habitat

The invention discloses a crested ibis habitat ecological quality trend analysis method and system, and relates to ecological quality monitoring. The method comprises the following steps: S1, constructing an intelligent sensing network, synchronously obtaining multi-source data of a habitat, identifying activity events of crested ibis, and generating a multi-dimensional habitat parameter table; s2, collecting environmental samples, and generating a microbial functional gene abundance matrix through metagenome sequencing and bioinformatics analysis; s3, taking the activity events of the crested ibis as behavior tags, and generating habitat function health indexes by coupling the parameter table and the matrix training machine learning prediction model; s4, performing spatial interpolation and trend analysis based on the habitat function health index to generate an ecological quality space-time evolution graph; and S5, based on the ecological quality space-time evolution graph, performing quantitative analysis by using a spatial differentiation statistical model, and generating a trend analysis report. By fusing multi-source data, real-time dynamic evaluation of habitat ecological quality and quantitative analysis of driving factors are realized, and a direct decision basis is provided for accurate protection.
Owner:德清县生态林业综合服务中心(德清县湿地和野生动植物保护管理站) +1

Gene influencing performance of clostridium in synthesizing ethanol by using carbon gas and application of gene

PendingCN120718932ABacteriaBiofuelsBiotechnologyEthanol synthesis
The invention discloses an application of some functional genes in improving the performance of clostridium for synthesizing ethanol by utilizing one-carbon gas fermentation, wherein overexpression genes NCBI (National Center for Biotechnology Information) are CLJUc04490, CLJUc25060, CLJUc06990, CLJUc22650 and / or CLJUc07720, and expression of inhibition genes CLJUc09160 and / or CLJUc23840 can be used for improving the autotrophic growth capability and the ethanol synthesis yield of clostridium Yangdall when the clostridium Yangdall is fermented by utilizing C1 gas; therefore, the economical efficiency of the clostridium yangdall fermentation is improved.
Owner:CAS CENT FOR EXCELLENCE IN MOLECULAR PLANT SCI

River nitrogen concentration simulation method based on functional gene abundance

The invention relates to a functional gene abundance-based river nitrogen concentration simulation method, which comprises the following steps of: 1, determining a nitrogen conversion process related to a model according to environmental condition characteristics of a river; 2, determining functional genes and chemical substances involved in the model according to the selected nitrogen conversion process, and obtaining the abundance of the involved functional genes and the concentration of the chemical substances through on-site sampling and monitoring; and step 3, combining the functional gene abundance change equation and the chemical substance concentration change equation, inputting the functional gene abundance and the chemical substance concentration obtained in the step 2 into the equations, and calculating nitrogen concentrations in different spaces and time so as to simulate the nitrogen concentration of the river. According to the method, the mathematical model of the river nitrogen conversion process is constructed through the microbial metabolism reaction mechanism, and compared with a traditional water environment model, the distribution characteristics of nitrogen can be more accurately simulated, and the change rule can be predicted.
Owner:HOHAI UNIV

SNP (Single Nucleotide Polymorphism) molecular marker related to corn plant height regulation and application thereof

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker related to corn plant height regulation and application thereof. The sequence of the molecular marker is shown as SEQ ID NO.1, the 201bp site basic group of the sequence from the 5th end shows C / T polymorphism, a temperate zone corn inbred line Ye107 with low plant height is used as a common male parent and is respectively hybridized with one temperate zone and four tropical / subtropical corn inbred lines as female parents, and a corn polyparent group with obvious plant height difference is constructed. GWAS analysis and linkage analysis are used for co-localization to Chr1: SNP-25, 296 and 496 which are located in a chromosome 1 and remarkably related to the plant height, 3.59% of plant height phenotypic variation can be explained through the loci, a functional gene for regulating and controlling the corn plant height is excavated from the loci, and a qRT-PCR result shows that the gene is highly expressed in corn V14 period internodes, so that it is proved that the gene participates in regulation and control height correlation of the corn plant height, and the functional gene is a functional gene for regulating and controlling the corn plant height. Results of the invention provide technical support for efficient and accurate breeding of high-stalk or dwarf high-yield corn varieties by molecular markers.
Owner:FOOD CROPS RES INST YUNNAN ACAD OF AGRI SCI

Aspergillus DLF18 and application thereof

The invention discloses Aspergillus sp. DLF18 and application thereof, and relates to the technical field of microorganisms, and the preservation number of the Aspergillus sp. DLF18 is CGMCC (China General Microbiological Culture Collection Center) NO.41737. The strain can effectively utilize rice straws and / or bagasse to produce humic acid, and the content of humic acid in each gram of fermentation supernatant after the rice straws are fermented is 16.5%. When the DLF18 fermentation product is applied to crops, the growth condition of the crops can be remarkably improved, and the humus content in soil is increased. Meanwhile, a metagenomics analysis result shows that compared with a control group, after the DLF18 is applied into the soil, the species beta diversity is remarkably changed, and the functional gene abundance and the inter-group difference are remarkably changed. Therefore, the DLF18 has a wide application prospect in the aspects of agricultural straw utilization and soil remediation.
Owner:DALI UNIV

Application of Zm00001eb023590 gene in breeding of corn with coarse ear

The invention relates to the field of corn molecular marker assisted breeding, and particularly discloses an application of a Zm00001eb023590 gene in ear thickness corn breeding, the invention provides a corn ear thickness molecular marker, the sequence of the molecular marker is shown as SEQ ID NO: 1, GWA analysis and genetic linkage analysis are utilized to jointly locate to a chromosome 1 and excavate to a functional gene Zm00001eb023590 for regulating and controlling ear thickness, and the functional gene Zm00001eb023590 for regulating and controlling ear thickness is obtained. According to the present invention, the corn ear thickness character genetic gene is enriched, the representative molecular marker site in the gene is screened by carrying out haplotype analysis on the gene, the redundancy detection cost in molecular breeding is reduced, and the integrity of the genetic information is retained;
Owner:FOOD CROPS RES INST YUNNAN ACAD OF AGRI SCI

Medicago sativa SNP molecular marker combination and use thereof

Provided are a Medicago sativa SNP molecular marker combination and a use thereof. The SNP molecular marker combination consists of 61351 SNP molecular markers. The physical positions of the 61351 SNP molecular markers are determined by sequence alignment on the basis of the Medicago sativa reference genome ZM-4 alfalfa genome. The SNP molecular markers have good site specificity, strong versatility, and high polymorphism and can effectively discriminate Medicago sativa germplasms from different sources. A Medicago sativa genome-wide liquid-phase gene chip is prepared from the SNP molecular markers, and can be used for genetic diversity assessment of Medicago sativa germplasm resources, genetic map construction and functional gene mapping, genome-wide association study, etc., providing an important tool and technical support for Medicago sativa molecular design breeding and variety authenticity identification, and achieving important significance for high-quality development of the alfalfa seed industry in China.
Owner:INSTITUTE OF ECOLOGICAL PROTECTION & RESTORATION CHINESE ACADEMY OF FORESTRY SCIENCE +2

Penicillium chrysogenum DLS189 and application thereof

The invention discloses Penicillium chrysogenum DLS189 and application thereof, and relates to the technical field of microorganisms, and the preservation number of the Penicillium chrysogenum DLS189 is CGMCC (China General Microbiological Culture Collection Center) NO.41739. The invention further discloses a preparation method of the Penicillium chrysogenum DLS189. The strain can effectively utilize rice straws and / or bagasse to produce humic acid, and the content of humic acid in each gram of fermentation supernatant after the rice straws are fermented is 16.84%. When the DLS189 fermentation product is applied to crops, the growth condition of the crops can be remarkably improved, and the humus content in soil is increased. Meanwhile, a metagenomics analysis result shows that compared with a control group, after the DLS189 is applied into the soil, the species beta diversity is remarkably changed, and the functional gene abundance and the inter-group difference are remarkably changed. Therefore, the DLS189 has a wide application prospect in the aspects of agricultural straw utilization and soil remediation.
Owner:DALI UNIV

Application of Zm00001eb050010 gene in breeding of corn with coarse ear

The invention relates to the field of corn molecular marker assisted breeding, and particularly discloses an application of a Zm00001eb050010 gene in regulation and control of corncob thickness, the invention provides a corncob thickness molecular marker, the molecular marker is a Zm00001eb050010 gene with a sequence shown as SEQ ID NO.1, the molecular marker is used for analyzing SNP255223086 which is located in a chromosome 1 and is remarkably related to the corncob thickness in a plurality of environments by utilizing GWAS analysis, and the molecular marker is a Zm00001eb050010 gene with a sequence shown as SEQ ID NO.3. The molecular marker is a Zm00001eb050010 gene with a sequence shown as SEQ ID NO.4. The molecular marker is a Zm00001eb050010 gene. The functional gene Zm00001eb050010 and SNP255223086 for regulating and controlling the ear thickness can explain 5.23% of the phenotypic variation of the ear thickness, and by means of molecular marker breeding, the generation interval can be shortened, the breeding process can be greatly accelerated, the selection precision can be improved, and the cost can be saved.
Owner:FOOD CROPS RES INST YUNNAN ACAD OF AGRI SCI

Heavy metal contaminated soil bioremediation method and system based on soil metagenome sequencing

The invention belongs to the technical field of soil heavy metal pollution remediation, and discloses a heavy metal pollution soil bioremediation method and system based on soil metagenome sequencing, and the method comprises the following steps: carrying out gene sequencing on experimental microorganism class groups in heavy metal pollution soil to determine functional microorganisms containing heavy metal resistance genes; heavy metal resistant microorganism species in the soil can be accurately identified by judging whether functional genes are contained or not, and ecological unbalance possibly caused by blind introduction of alien species is avoided; a remediation strategy taking a microbial resistance mechanism as a core can effectively reduce the bioavailability of heavy metals in the soil, and also can improve the physicochemical properties of the soil through metabolic activity to form a sustainable remediation effect; the method has the advantages of being environmentally friendly, controllable in cost, lasting in effect and the like, and an innovative path is provided for soil ecological function restoration.
Owner:YUNNAN UNIV

Amino acid sequence and gene sequence of medicago ruthenica MrAGL8 protein as well as expression vector and application of medicago ruthenica MrAGL8 protein

The invention relates to the technical field of functional gene and protein engineering, and discloses an amino acid sequence, a gene sequence, an expression vector and application of medicago ruthenica MrAGL8 protein, the amino acid sequence of the medicago ruthenica MrAGL8 protein is as shown in SEQ ID NO.1, the gene sequence for coding the medicago ruthenica MrAGL8 protein is as shown in SEQ ID NO.2, and the gene sequence for coding the medicago ruthenica MrAGL8 protein is as shown in SEQ ID NO.1. The invention further discloses application of the medicago ruthenica MrAGL8 protein to construction of an early-maturing plant strain or a low-pod-cracking-rate plant strain. Experiments show that the MrAGL8 gene plays an important role in promoting the early maturing of plants and reducing the pod cracking rate, and by utilizing the phenomenon that the found MrAGL8 gene participates in the response reaction of plant growth and development and pod cracking, the MrAGL8 gene is used for constructing an early maturing plant strain or a low pod cracking rate plant strain and carrying out heterologous overexpression; therefore, early maturing of transgenic plants is effectively promoted, and the pod cracking rate is remarkably reduced.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Pennisetum purpureum CpERF37 transcription factor and cold-resistant application thereof

The invention discloses a pennisetum purpureum CpERF37 transcription factor and cold-resistant application thereof, and relates to the technical field of plant genetic engineering. According to the invention, the Pennisetum purpureum-sourced ERF transcription factor CpERF37 is cloned and functionally identified for the first time, and heterologous expression verification in a model plant arabidopsis thaliana proves that the Pennisetum purpureum-sourced ERF transcription factor CpERF37 has a remarkable effect on improving the low-temperature tolerance of plants, and functional gene resources related to low-temperature stress response are enriched. The method not only has theoretical innovation, but also has a definite application prospect, and can provide effective gene resources and technical support for cold-resistant improvement of pasture and crops.
Owner:SICHUAN AGRI UNIV +1

Gene ZmILR1 for controlling corn kernel size, and molecular identification method and application thereof

The invention relates to a gene ZmILR1 for controlling the size of a corn kernel as well as a molecular identification method and application of the gene ZmILR1, and belongs to the technical field of plant genetic breeding and functional gene research. The ZmILR1 gene encodes an IAA-amino acid hydrolase, mutation of the IAA-amino acid hydrolase causes corn kernels to become smaller, and overexpression of the gene can create a corn material with increased kernel length, kernel width and hundred-kernel weight. A functional molecular marker A1A4 is developed according to the sequence difference of the mutant gene and a wild type gene at the DNA level, and can be used for rapid identification and screening of small-grain corn materials. The invention provides a theoretical basis and an application tool for analyzing a molecular mechanism of the corn grain size and developing molecular marker-assisted breeding and hybrid seed breeding, and provides important gene resources and technical support for high-yield and high-quality molecular breeding of corn.
Owner:UNIV OF SCI & TECH BEIJING +2

Tobacco black shank-resistant G24 gene and application thereof in disease-resistant variety cultivation

The invention discloses a tobacco black shank-resistant G24 gene and application thereof in disease-resistant variety cultivation, and belongs to the technical field of tobacco molecular biology and genetic breeding. The nucleotide sequence of the G24 gene is as shown in SEQ ID NO: 1 or has the homology greater than or equal to 95% with the SEQ ID NO: 1; after the expression of the G24 gene is inhibited or the G24 gene is knocked out, tobacco with black shank resistance can lose the black shank resistance, and infected tobacco can obtain the black shank resistance by over-expression of the G24 gene. Based on the gene, the tobacco variety cultivated by the invention has high resistance to the phytophthora parasitica var nicotianae No. 0 microspecies, has excellent agronomic and quality characters, can be used for preparing tobacco products such as cigarettes and the like, and reduces the use of bactericides. The method solves the problems of undefined functional genes and low selection efficiency in existing black shank resistant breeding, and provides a key technology for green prevention and control of tobacco black shank.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI

Agrobacterium rhizogenes-mediated fructus forsythiae hairy root genetic transformation method and application thereof

The invention provides an agrobacterium rhizogenes-mediated forsythia suspensa hairy root genetic transformation method and application thereof, and belongs to the technical field of plant genetic engineering. The method comprises the following steps: introducing an expression vector into agrobacterium rhizogenes, and mixing with an infection solution to prepare an agrobacterium rhizogenes infection solution; the forsythia suspensa stem is put into the agrobacterium rhizogenes infection liquid to be infected for 0.5-1 h through a vacuum infiltration method, and the infected forsythia suspensa stem is cut into a matrix to be subjected to dark culture and then continues to grow till hairy roots are generated; the OD600 value of the agrobacterium rhizogenes infection liquid is 0.5 to 1.0. The method is suitable for an agrobacterium rhizogenes mediated genetic transformation system of the fructus forsythiae, and the system provides technical support for functional gene research, medicinal component analysis and molecular breeding of the fructus forsythiae, and has important significance for promoting genetic improvement and resource utilization of the fructus forsythiae.
Owner:BEIJING FORESTRY UNIVERSITY

Construction method and application of needle mushroom CRISPR / Cas9 gene editing vector

The invention belongs to the technical field of gene editing, and particularly relates to a construction method and application of a needle mushroom CRISPR / Cas9 gene editing vector. The CRISPR / Cas9 gene editing vector for flammulina velutipes is characterized in that the vector takes pFgnpt as a skeleton vector, and further comprises a Cas9 expression cassette and an sgRNA expression cassette; the nucleotide sequence of the Cas9 expression cassette is as shown in SEQ ID NO. 10. The nucleotide sequence of the sgRNA expression cassette is as shown in SEQ ID NO. 11. According to the present invention, with the agrobacterium-mediated transformation technology, the stable expression of Cas9 and sgRNA in the flammulina velutipes body is achieved, the efficient and stable CRISPR / Cas9 gene editing system is established, and the technical support is provided for the flammulina velutipes variety improvement, the functional gene research and the industrial upgrading.
Owner:SHANGHAI ACAD OF AGRI SCI

Highland barley polyamine transporter gene HvPUT5 and application thereof

The invention discloses a polyamine transporter encoding gene HvPUT5 derived from highland barley and application of the polyamine transporter encoding gene HvPUT5 in improvement of cell osmotic stress tolerance, and relates to the technical field of plant stress resistance molecular breeding and functional gene mining. The HvPUT5 is positioned in cytoplasm, and the over-expression of the gene in a yeast system can obviously improve the survival rate of the yeast under the condition of high osmotic pressure, which indicates that the gene has a positive effect on enhancing the osmotic stress tolerance. The HvPUT5 has a good application prospect, can be used as a candidate gene resource and a molecular marker for drought-resistant breeding, and is applied to genetic improvement and molecular breeding research of crop stress resistance characters.
Owner:AGRI RES INST TIBET ACADEMY OF AGRI & ANIMAL HUSBANDRY SCI +1

Koi-TAT gene related to golden and silver scale character of koi, SNP molecular marker, primer pair and application

The invention relates to the technical field of animal molecular genetics, molecular marker breeding and aquatic genetic breeding, in particular to a Koi-TAT gene related to golden and silver scale traits of fancy carp, an SNP molecular marker, a primer pair and application. According to the invention, a functional gene highly associated with the Koi gold and silver scale character is found, a specific molecular marker and a detection method are developed on the basis of the gene, and by utilizing the molecular marker and the detection method disclosed by the invention, an individual with excellent gold and silver scale character can be efficiently identified, and the molecular marker is suitable for molecular-assisted selective breeding and early-stage seed selection. The invention provides an important molecular tool for phenotype genetic improvement of aquarium fish, also provides a basis for molecular mechanism research of gold and silver scale formation, and has a wide application prospect.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES

Drought-enduring functional gene MaPUB21 of bananas and application of drought-enduring functional gene MaPUB21 in improvement of drought-enduring capability of plants

The invention discloses a banana drought-enduring functional gene MaPUB21 and application of the banana drought-enduring functional gene MaPUB21 in improvement of plant drought-enduring capability. A nucleotide sequence of the gene is shown as SEQ ID NO.2. The invention further discloses a method for preparing the banana drought-enduring functional gene MaPUB21. According to the invention, a silence vector (MaPUB21-pTRV) aiming at the MaPUB21 gene is constructed, and an agrobacterium-mediated method is utilized to carry out instantaneous silence in the Musa communis. Drought tolerance analysis shows that after drought stress treatment, compared with a wild type, the content of malonaldehyde, superoxide anions and hydrogen peroxide of the MaPUB21 silent strain is remarkably reduced, and the content of proline and the activity of peroxidase are remarkably improved. The result shows that the drought tolerance of the plant can be effectively improved by silencing the MaPUB21 gene. The gene provided by the invention provides a new resource for plant stress-resistant molecular breeding, and is of great significance for cultivating drought-resistant plants and improving the utilization rate of drought land.
Owner:SANYA INSTITUTE OF NANJING AGRICULTURAL UNIVERSITY

Application of Micropterus salmoides Piscidin polypeptide in preparation of anti-fish virus drugs

The invention discloses an application of Micropterus salmoides Piscidin polypeptide in preparation of an anti-fish virus drug. The amino acid sequence of the polypeptide is as shown in SEQ ID NO. 2 or SEQ ID NO. 3. The research finds that the micropterus salmoides Piscidin is an antibacterial peptide with an antiviral function, the polypeptide synthesized by the artificially synthesized micropterus salmoides Piscidin has the characteristic of inhibiting fish DNA virus replication, has a remarkable inhibiting effect on fish iridovirus replication at low concentration, and can be applied to preparation, research and development of fish antiviral drugs. Research of the antibacterial peptide has important scientific value and application value for further research and development of disease-resistant functional gene products.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Molecular marker related to corn ear thickness on corn chromosome 7 and application of molecular marker

The invention relates to the field of corn molecular marker assisted breeding, particularly discloses a molecular marker related to corn ear thickness on a corn chromosome 7 and application of the molecular marker, and particularly provides a corn ear thickness molecular marker, the molecular marker is a Zm00001eb303690 gene with the sequence shown as SEQ ID NO: 1, and the gene can be applied to corn molecular marker assisted breeding. According to the invention, the GWAS is utilized to analyze SNP21950015 which is co-localized to a No.7 chromosome in a plurality of environments and is significantly related to the ear thickness, then a functional gene Zm00001eb303690 for regulating and controlling the ear thickness is excavated, the ear thickness character is regulated and controlled by a plurality of genes, the functional gene is subjected to molecular marking, the genotype of the functional gene is analyzed, germplasm resources can be comprehensively and efficiently evaluated and utilized, and the application prospect is wide. Materials with target genes or characters are rapidly screened out, and the utilization rate of genetic resources is increased.
Owner:FOOD CROPS RES INST YUNNAN ACAD OF AGRI SCI

Cellular therapies for cancer and auto-immune disorders using functional gene variants identified by base-editing screening of human t cells

PCT designated stage expiredWO2025106732A1HydrolasesGenetically modified cellsMelanomaNucleotide
Single-nucleotide variants (SNVs) in key T cell genes can drive clinical pathologies and could be repurposed to improve cellular cancer immunotherapies. Here, we perform massively parallel base editing screens to generate thousands of variants at gene loci annotated with known or potential clinical significance. We discover a broad landscape of putative gain- (GOF) and loss-of-function (LOF) mutations, including in PIK3CD and its regulatory subunit PIK3R1, LCK, SOS, AKT1, and RHOA. Base editing of PIK3CD and PIK3R1 variants in T cells with an engineered T cell receptor specific against a melanoma epitope or in different generations of CD19 chimeric antigen receptor T (CAR-T) cells demonstrates that discovered GOF variants, but not LOF or silent mutation controls, enhanced signaling, cytokine production and lysis of cognate melanoma and leukemia cell models, respectively. Additionally, we show that generations of CD19 CAR-T cells engineered with PIK3CD GOF mutations demonstrate enhanced antigen-specific signaling, cytokine production, and leukemia cell killing, including when benchmarked against other recent strategies.
Owner:THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK

Plant antiviral gene xian and application in antiviral

The application provides a plant antiviral gene XIAN and application thereof in antiviral, and belongs to the field of functional gene technology. The application provides a plant antiviral gene, wherein the plant antiviral gene comprises a conservative domain, the conservative domain is a MAM33 motif, or a conservative domain with more than 80% homology with the MAM33 motif. The application discloses Atxian, NbXIAN, SlXIAN, GmXIAN and GhXIAN genes all containing the MAM33 motif, in corresponding plants, the virus resistance of the mutants after silencing of the genes is weakened, and the virus resistance is improved after overexpression, which proves that the plant antiviral gene can significantly regulate the antiviral phenotype of the plant, so that germplasm with different antiviral phenotypes is created.
Owner:ZHEJIANG UNIV

Micropterus salmoides Hepcidin-1 and application of synthetic polypeptide of Micropterus salmoides Hepcidin-1 in preparation of anti-fish virus drugs

The invention provides micropterus salmoides Hepcidin-1 (Ms-Hepcidin-1) and an application of a synthetic polypeptide of the micropterus salmoides Hepcidin-1 in preparation of an anti-fish virus drug. The research finds that the Ms-Hepcidin-1 synthetic polypeptide has a remarkable antiviral effect and is a novel antibacterial peptide with a function of inhibiting fish viruses. The Ms-Hepcidin-1 synthetic polypeptide and the recombinant eukaryotic expression vector of the Ms-Hepcidin-1 synthetic polypeptide can obviously reduce the transcription level of MCP, MMP and DNMT genes and the MCP protein level of LMBV, inhibit the replication of the LMBV and reduce the virus titer, and have an obvious fish virus resisting effect. Moreover, the polypeptide synthesized by Ms-Hepcidin-1 is simple to prepare, low in cost, safe to use and convenient to preserve, can be used as a novel antiviral functional gene product to prepare antiviral drugs for fishes, and has important significance on prevention and control of fish iridovirus diseases.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Reference gene for Chinese olive functional gene expression analysis and application thereof

The invention relates to the technical field of molecular biology, in particular to a reference gene for Chinese olive functional gene expression analysis and application thereof. According to the invention, the reference gene RPN2B which is most stably expressed in fruits of different varieties (lines) of Chinese olives in different development and maturation periods is screened out, and in addition, two reference genes NIFS1 and RPS16 which are only second to the RPN2B are also screened out, so that the method can be used for expression analysis of nutritional quality or other functional genes of the fruits of the Chinese olives of different varieties (lines) in different development and maturation periods; the specificity, the stability and the accuracy of functional gene expression analysis data are remarkably improved, and powerful support is provided for Chinese olive functional gene expression analysis. The invention also provides a special detection primer for detecting the reference gene of the Chinese olive fruit, and the detection primer can quantify the expression quantity and function analysis of the auxiliary gene through fluorescence in the Chinese olive function research, and has high application value.
Owner:FUJIAN AGRI VOCATIONAL & TECH COLLEGE +1

Method for assisting hawthorn breeding based on phenotypic omics

The invention discloses a method for assisting hawthorn breeding based on phenotypic omics, and relates to the technical field of phenotypic omics assisted hawthorn breeding. Comprising the following steps: S1, acquiring phenotypic data of normally growing hawthorns by using a high-throughput imaging system and a phenotypic analysis system, and detecting and analyzing various characters of the hawthorns; s2, establishing a hawthorn multi-dimensional phenotypic group database, and obtaining hawthorn breeding key character quantitative indexes; s3, constructing a phenotype-genotype correlation model according to the obtained hawthorn breeding key character quantitative indexes, and mining new functional genes to realize early prediction of breeding; and S4, creating a phenotype exponential weighting algorithm for parent matching. The method for assisting hawthorn breeding based on phenotypic omics is established, the problems of long hawthorn breeding period and high cost are solved, and the hawthorn breeding efficiency is effectively improved.
Owner:SHANDONG INST OF POMOLOGY +1