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The Sequence Read Archive (SRA, previously known as the Short Read Archive) is a bioinformatics database that provides a public repository for DNA sequencing data, especially the "short reads" generated by high-throughput sequencing, which are typically less than 1,000 base pairs in length. [1]
The archive is composed of three main databases: the Sequence Read Archive, the Trace Archive and the EMBL Nucleotide Sequence Database (also known as EMBL-bank). [2] The ENA is produced and maintained by the European Bioinformatics Institute and is a member of the International Nucleotide Sequence Database Collaboration (INSDC) along with the ...
NCBI's Sequence Read Archive encodes metadata using the LZ-77 scheme. General FASTQ compressors typically compress distinct fields (read names, sequences, comments, and quality scores) in a FASTQ file separately; these include DSRC and DSRC2, FQC, LFQC, Fqzcomp, and Slimfastq.
These three databases are primary databases, as they house original sequence data. They collaborate with Sequence Read Archive (SRA), which archives raw reads from high-throughput sequencing instruments. Secondary databases are: [clarification needed] 23andMe's database; HapMap; OMIM (Online Mendelian Inheritance in Man): inherited diseases; RefSeq
The NCBI assigns a unique identifier (taxonomy ID number) to each species of organism. [5] The NCBI has software tools that are available through internet browsers or by FTP. For example, BLAST is a sequence similarity searching program. BLAST can do sequence comparisons against the GenBank DNA database in less than 15 seconds.
The International Nucleotide Sequence Database Collaboration (INSDC) consists of a joint effort to collect and disseminate databases containing DNA and RNA sequences. [1] It involves the following computerized databases : NIG 's DNA Data Bank of Japan ( Japan ), NCBI 's GenBank ( USA ) and the EMBL - EBI 's European Nucleotide Archive ( EMBL ).
The primary resources for the content of the Epigenomics Database are derived from two archival databases at the NCBI: The Gene Expression Omnibus (GEO) and the Sequence Read Archive (SRA). [1] The Gene Expression Omnibus is a data system for high-throughput genomic data that is generated from microarray and next-generation sequencing ...
Entrez Global Query is an integrated search and retrieval system that provides access to all databases simultaneously with a single query string and user interface. Entrez can efficiently retrieve related sequences, structures, and references. The Entrez system can provide views of gene and protein sequences and chromosome maps. Some textbooks ...