BGI TECH SOLUTIONS CO., LTD. Patent applications |
Patent application number | Title | Published |
20150299753 | WHOLE GENOME AMPLIFICATION METHOD AND APPLICATION THEREOF - Provided are a whole genome sample amplification method, a whole genome sequencing method, and a method for determining whether an abnormal state occurs in a whole genome, a whole genome sample amplification apparatus, a whole genome sequencing device, and a system for determining whether an abnormal state occurs in a whole genome. The whole genome sample amplification method comprises: subjecting a whole genome sample to a first amplification reaction, so as to obtain a first amplification product; and subjecting the first amplification product to a second amplification reaction, so as to obtain a second amplification product. The first amplification reaction is one of the PCR-based amplification reaction and the isothermal amplification reaction, and the second amplification reaction is the other of the PCR-based amplification reaction and the isothermal amplification reaction. | 10-22-2015 |
20150205913 | PARENTAL GENOME ASSEMBLY METHOD - Provided is a parental genome assembly method, comprising: using the sequencing data of parental selfing line progeny population to assemble and perfect the parental genome data. Also provided is a device for implementing the method. | 07-23-2015 |
20150141290 | METHOD FOR QUANTIFICATION OF PROTEOME - The present invention relates to a method for quantifying the relative content of a protein in a sample. The present invention also relates to a method for comprising the relative content of a protein in at least two samples. | 05-21-2015 |
20150120256 | METHOD OF RECONSTRUCTING HAPLOTYPE OF DIPLOID AND SYSTEM THEREOF - Provided is a method and system of reconstructing a haplotype of a diploid. The method can include constructing a matrix of sequence fragments consisting of ternary character based on sequence fragments comprising at least one common site, wherein in the matrix of sequence fragments, two allelic bases of an SNP site in chromosome fragments are labeled with A and B respectively; initializing two fragment sets of based on the matrix of sequence fragments; determining an objective function and an initial reference temperature; performing a process of simulated annealing based on the objective function and the initial reference temperature, and outputting final sets until a convergence criteria is achieved; inferring a haplotype based on the final sets by means of minimum error correction. | 04-30-2015 |
20150120210 | METHOD AND DEVICE FOR LABELLING SINGLE NUCLEOTIDE POLYMORPHISM SITES IN GENOME - Disclosed are a method and a device for labelling single nucleotide polymorphism site in a genome. The above-mentioned method comprises: the single-end RAD sequences from the genomes of two individuals are obtained; the single-end RAD sequences are filtered to remove unqualified sequences; the sequencing depth of the sequences from the genomes of two individuals is aligned in pairs and without gaps to determine the SNP sites. | 04-30-2015 |
20150120204 | TRANSCRIPTOME ASSEMBLY METHOD AND SYSTEM - Provided is a transcriptome assembly method, comprising the following steps of: constructing a sequencing sample transcriptome read into a de Brujin graph; performing filtering and linearization processing on the de Brujin graph, so as to form continuous contigs; obtaining association among the contigs, and filtering association data; performing linearization processing on a continuous sequence without bifurcation; outputting a contig sequence; comparing the read and an end pairing read with the output contig sequence, so as to obtain information between the read and the contig; establishing connections among the contigs, so as to construct a graph with the contigs as points and the connections as edges; pre-processing and dividing the obtained graph, so as to obtain independent sub-graphs; and outputting a transcript according to the sub-graphs. Further provided is a transcriptome assembly system based on the method. | 04-30-2015 |
20140323320 | METHOD OF DETECTING FUSED TRANSCRIPTS AND SYSTEM THEREOF - Provided is a method of detecting method of detecting fusion transcripts in a sample to be analyzed. The method may comprises: subjecting the sample to be analyzed containing a RNA transcriptome to paired-end sequencing, to obtain paired-end RNA-Seq data of the sample to be analyzed; aligning the paired-end RNA-Seq data to a human reference genome sequence, to obtain first paired-end mapped reads, first single-end mapped reads, and first unmapped reads; evaluating an insertsize between two ends of the paired-end mapped reads by means of the first paired-end mapped reads, to obtain a proportion of paired-end mapped reads with overlapped 3′-ends; aligning the first unmapped reads to annotated transcripts, to obtain second single-end mapped reads and second unmapped reads; aligning the second unmapped reads to the annotated transcripts, to filter out unmapped reads caused by indel and obtain third unmapped reads; merging all single-end mapped reads, to obtain a set of single-end mapped reads; obtaining a gene pair linked by a cross-read as a primary set of candidate gene pairs based on the set of single-end mapped reads and combining with a relationship of the mapped paired-end reads; subjecting the primary set of candidate gene pairs to a filtration, to obtain a candidate set of fused gene pairs; bisecting the third unmapped read, to obtain a half-unmapped read; aligning the half-unmapped read to a gene-junction sequence in the candidate set of fused gene pairs, to obtain a potent region of a fused junction site in the gene in which the half-unmap read locates; outputting original reads of mapped half-unmapped reads, to obtain useful unmapped reads; subjecting the candidate set of fused gene pairs to a fusion simulation; aligning the useful unmapped reads to a junction library, to obtain a fused gene supported by the useful unmapped reads; calculating and gathering the fused sequence supported by the useful unmapped reads, to obtain information of the fused gene. And a system for detecting fusion transcripts is also provided. | 10-30-2014 |
20140256563 | HIGH THROUGHPUT METHYLATION DETECTION METHOD - Provided is a high throughput methylation detection method, particularly a combined sequence capture and bisulfite sequencing method. The method accurately and effectively analyzes the methylation status of the target area in several samples simultaneously, lowers the difficulty of probe design, enhances operation and application feasibility, and enables high throughput methylation detection of high accuracy on interested target sequences and areas in a complete genome. The method is targeted and conserves energy and time. | 09-11-2014 |
20140194300 | Method and device for genetic map construction, method and device for haplotype analysis - Provided are the method and device for genetic map construction and the method and device for haplotype determination of a single cell. Wherein the method for genetic map construction includes: whole genome sequencing for at least a single cell from a same species, aligning the sequencing data to reference sequences respectively to determine genotypes of SNP sites, determining male parent a/female parent b typing results of SNP genotypes of a single cell based on the genotypes of SNP sites, dividing the chromosome of the species into linkage regions based on the male parent a/female parent b typing results of SNP genotypes, determining the variation ratio of a/b between two linkage regions to obtain recombination rate between every two continuous linkage regions, determining recombination map of a single cell according to the recombination rate, wherein the boundary site of a and b is the recombination site, determining the recombination rate of each recombination rate based on the recombination map to construct a genetic map of the species. | 07-10-2014 |
20140188397 | Methods of acquiring genome size and error - Provided is a method of acquiring genome size. The method comprises steps of sequencing random fragments of whole genome, acquiring all of k-mer information including k-mer depth, counting frequency of each k-mer depth value so as to determine expected k-mer depth, and acquiring the genome size by dividing the sum of k-mers by the expected k-mer depth. The method is convenient, rapid, and cost-effective. Also provided is a method of acquiring error of sequencing genome based on all of k-mer information including k-mer depth. | 07-03-2014 |
20140136121 | METHOD FOR ASSEMBLING SEQUENCED SEGMENTS - The present invention relates to a method for optimizing the assembled result of sequencing data using a genetic map. In particular, provided in the present invention is a new method for assembling individual sequenced segments, which comprises the step of constructing the genetic map with a genetic marker. Furthermore, also provided in the present invention is a method for assembling the individual sequenced segments into a genome sequence, such as a chromosome sequence. | 05-15-2014 |
20130345095 | METHOD AND DEVICE FOR ASSEMBLING GENOME SEQUENCE - A method and an apparatus for genome assembly are provided. The method comprises: filtering a short-fragment-sequence output from end sequencing of an large insert-size library to remove unqualified sequence; aligning the filtered short-fragment-sequence onto a reference genome sequence, wherein, the filtered short-fragment-sequences comprise paired short-fragment-sequences; sorting the paired short-fragment-sequence after alignment into soap reads sequence, single reads sequence and unmap reads sequence based on the aligning result, and counting the number of each sort of sequence; calculating a distance between the paired soap reads on a fragment of the reference genome sequence, wherein a pair of the paired soap reads can be aligned onto a same fragment of the reference genome sequence; and counting a distance distribution of each pair of soap reads on the reference genome sequence; and assembling the genome sequence by using the paired single reads upon the distance distribution meeting a requirement of a threshold, wherein a pair of the paired single reads can be aligned onto two different fragments of the reference genome sequence. | 12-26-2013 |