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78 results about "Genetic Databases" patented technology

Metagenome-based clinical important pathogenic bacterium virulence gene detection method and system

The invention discloses a metagenome-based clinical important pathogenic bacterium virulence gene detection method and system. The method comprises the following steps: s10, establishing a clinical pathogenic bacterium virulence gene database; s20, acquiring clinical sample metagenome sequencing original data, and preprocessing the clinical sample metagenome sequencing original data to obtain target data; s30, analyzing the target data by using a preset metagenome sequencing data multiple comparison annotation system, and identifying virulence genes; s40, establishing an important virulence gene-virulence factor-characterization (function/clinical phenotype) associated database; s50, generating a virulence gene identification report based on the virulence gene identification result and the association database by using a preset clinical automatic report system. The system can perform virulence gene identification on metagenome sequencing data of clinical infection samples of different types (cerebrospinal fluid and the like), and multiple important virulence genes of multiple pathogenic bacteria in the samples are identified at a time. The system has good sensitivity and accuracy and helps doctors to perform diagnosis, treatment and prognosis in time.
Owner:HUGOBIOTECH BEIJING CO LTD +2

Mycobacterium tuberculosis multi-line drug resistance gene identification method and device

The invention relates to a mycobacterium tuberculosis multi-line drug resistance gene identification method and device. The method comprises the following steps: acquiring a whole genome sequence obtained by metagenome sequencing of a sample or a sequence of a mycobacterium tuberculosis drug-resistant target region obtained on the basis of targeted amplification sequencing, and carrying out data quality control; comparing the sequence subjected to the data quality control to a mycobacterium tuberculosis genome, sequencing and screening out a comparison result meeting the quality requirement; carrying out local assembly and variation detection on the sequences of the gene regions where the variation sites of which the comparison positions are located in the mycobacterium tuberculosis drug resistance gene database are located; annotating a variation detection result to the mycobacterium tuberculosis drug resistance gene database according to the positions and mutation types of variation sites on the genome; and outputting a detection result of each drug resistance related mutation sites in the mycobacterium tuberculosis drug resistance gene database based on an annotation result. According to the invention, multiple drugs and corresponding drug resistance sites can be covered in one detection, and the detection precision is high.
Owner:深圳华大因源医药科技有限公司 +2

Automatic screening method, system and device for gene editing sites and storage medium

The invention discloses an automatic screening method, system and device for gene editing sites and a storage medium. The automatic screening method comprises the steps: obtaining a gene name and a species name, and obtaining a gene sequence, transcript information and chromosome position information from a gene database; determining an alternative knocking area according to the position information and the transcript information; carrying out GC content and complexity analysis on the alternative knocking areas to determine knocking areas; sequencing the knock areas according to the quantity and the position information of the common transcripts; intercepting a knock region sequence from the gene sequence through the position information of the knock region according to the sequence; and obtaining all gRNAs of the knocking region sequence and corresponding specific scores and cutting efficiency scores from gRNA online design software, and determining and displaying editing sites of the gRNAs according to the specific scores and the cutting efficiency scores. According to the embodiment of the invention, the gene editing sites with good knockout effect, strong specificity and high cutting efficiency can be automatically and efficiently screened, and the method can be widely applied to the technical field of gene editing.
Owner:广州源井生物科技有限公司

Gene sequence security comparison method and system supporting multi-attribute anonymous authentication

The invention discloses a gene sequence security comparison method and system supporting multi-attribute anonymous authentication; the method comprises the steps: firstly enabling a gene database owner to transmit a threshold value and an access attribute set of a gene sequence to a certificate issuer, and then designing a confusion circuit according to a calculation demand, so as to find out a gene sequence which can be queried by a query user from the confusion circuit; returning labels corresponding to the gene sequences to the query user; initiating, by a query user, a certificate authorization request to a certificate issuer and interacts with the certificate issuer, and after an attribute certificate set is obtained, initiating the query request for a certain gene sequence to a gene database owner; anonymously verifying, by the gene database owner, the attribute certificate of the query user, determining whether the query attribute set of the query user meets the acquisition requirement or not, and returning a corresponding plaintext gene sequence to the query user under the condition that the query attribute set meets the acquisition requirement. According to the invention, the security, privacy, high efficiency and controllability of data query can be realized.
Owner:JINAN UNIVERSITY
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