Abstract: The present invention relates to methods, kits, and compositions for detecting and/or diagnosing metastatic potential of cancer cells or for evaluating prognosis in a patient with cancer by detection of the protein expression level of an HLA class I molecule and/or the copy number variation of a polynucleotide encoding the HLA class I molecule. The present invention also relates to the use of the protein expression level of an HLA class I molecule and/or the copy number variation of a polynucleotide encoding the HLA class I molecule as a prognosis biomarker and metastasis predictive biomarker of cancer.

Abstract: 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.

Abstract: The present invention relates to methods, kits, and compositions for detecting and/or diagnosing metastatic potential of cancer cells or for evaluating prognosis in a patient with cancer by detection of the protein expression level of an HLA class I molecule and/or the copy number variation of a polynucleotide encoding the HLA class I molecule. The present invention also relates to the use of the protein expression level of an HLA class I molecule and/or the copy number variation of a polynucleotide encoding the HLA class I molecule as a prognosis biomarker and metastasis predictive biomarker of cancer.

Abstract: The present invention provides a method for constructing a high-throughput sequencing library, which comprises: fragmenting genomic DNA; end-repairing the DNA fragments; adding a base A to the 3? end of the end-repaired DNA fragments; connecting the DNA fragments having cohesive end A with a methylated adapter; carrying out hybrid capture on the connection products by using specific probes to obtain object fragments; treating the object fragments with bisulfite, to convert non-methylated cytosines to uracils; PCR amplifying the converted object fragments; and separating and purifying the amplification products, wherein the amplification products constitute the high-throughput sequencing library. The present invention also provides a method and an apparatus for identifying methylation information in specified genome regions of a sample.

Abstract: 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.

Abstract: A method for detecting hydroxymethylation modification in nucleic acid comprises: glycosylating the nucleic acid, digesting with MspI, ligating the digested fragments to a biotin-labeled linker at both ends thereof, digesting with NlaIII; capturing the digested fragments using streptavidin magnetic beads to produce fragments having the biotin-labeled linker at one end and a CATG 4-base sticky end at the other end, wherein these fragments reveal modification information of their adjacent CCGG sites; ligating the CATG sticky end to a linker containing a recognition site of MmeI or Ecop15I, digesting with corresponding restriction endonuclease to produce short sequence fragments that can reveal modification information of their adjacent CCGG sites; and performing a tag number comparison to obtain information about methylation and hydroxymethylation modification relative levels. A use of the method is also provided.

Abstract: A DNA library, and a preparing method thereof, a method of determining DNA sequence information, an apparatus and a kit for detecting SNPs, and a method for genotyping may be provided. The method for preparing the DNA library may comprise the steps of: digesting a genomic DNA sample using a restriction endonuclease to obtain a digested product, wherein the restriction endonuclease comprises at least one selected from the group consisting of Mbo II and Tsp 45I; separating the digested product to obtain DNA fragments having a length of 100 bp to 1,000 bp; end-repairing the DNA fragments to obtain an end-repaired DNA fragments; adding a base A to the end of the end-repaired DNA fragments to obtain DNA fragments having a terminal base A; and ligating the DNA fragments having the terminal base A with sequencing adaptors to obtain the DNA library.

Abstract: Provided are the method and device for genetic map construction and the method and device for haplotype determination of a single cell.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Provided is a method of detecting method of detecting fusion transcripts in a sample to be analyzed.

Abstract: 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.

Abstract: Provided are the method and device for genetic map construction and the method and device for haplotype determination of a single cell.

Abstract: 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.

Abstract: The present invention provides an error correcting method of test sequence, which involves receiving test sequences, configuring high frequency short string list based on a preset high frequency threshold value, traversing each received test sequence, searching an area with the largest number of continuous high frequency short strings on each test sequence in combination with high frequency short string list, configuring whole left sequence and/or right sequence of high frequency short strings at left side and/or right side of searched area according to corresponding received test sequence and high frequency short string list, and constituting corresponding test sequence according to configured left and/or right sequence and searched area. The present invention also provides corresponding error correcting system of test sequence and gene assembly equipment.