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The Genome Reference Consortium (GRC) is an international collective of academic and research institutes with expertise in genome mapping, sequencing, and informatics, formed to improve the representation of
reference genome A reference genome (also known as a reference assembly) is a digital nucleic acid sequence database, assembled by scientists as a representative example of the genome, set of genes in one idealized individual organism of a species. As they are a ...
s. At the time the human reference was initially described, it was clear that some regions were recalcitrant to analysis with existing technology, leaving gaps in the known sequence. The main reason for improving the reference assemblies are that they are the cornerstones upon which all whole genome studies are based (e.g. the
1000 Genomes Project The 1000 Genomes Project (1KGP), taken place from January 2008 to 2015, was an international research effort to establish the most detailed catalogue of human genetic variation at the time. Scientists planned to sequence the genomes of at least o ...
). The GRC is a collaborative effort which interacts with various groups in the scientific community. The primary member institutes are: * The
Wellcome Sanger Institute The Wellcome Sanger Institute, previously known as The Sanger Centre and Wellcome Trust Sanger Institute, is a non-profit organisation, non-profit British genomics and genetics research institute, primarily funded by the Wellcome Trust. It is l ...
* The
McDonnell Genome Institute McDonnell Genome Institute (The Elizabeth H. and James S. McDonnell III Genome Institute) at Washington University in St. Louis, Missouri, is one of three NIH funded large-scale sequencing centers in the United States. Affiliated with Washingt ...
at Washington University * The
European Bioinformatics Institute The European Bioinformatics Institute (EMBL-EBI) is an intergovernmental organization (IGO) which, as part of the European Molecular Biology Laboratory (EMBL) family, focuses on research and services in bioinformatics. It is located on the Wel ...
* The
National Center for Biotechnology Information The National Center for Biotechnology Information (NCBI) is part of the National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. The NCBI is lo ...
* Zebrafish Model Organism Database * Rat Genome Database The goal of the Consortium is to correct the small number of regions in the reference that are currently misrepresented, to close as many remaining gaps as possible and to produce alternative assemblies of structurally variant loci when necessary. Initially the focus was on the
human Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...
and
mouse A mouse (: mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus'' ...
reference genomes, but in expansions new organisms were added to the consortium. In October 2010 full maintenance and improvement of the
zebrafish The zebrafish (''Danio rerio'') is a species of freshwater ray-finned fish belonging to the family Danionidae of the order Cypriniformes. Native to South Asia, it is a popular aquarium fish, frequently sold under the trade name zebra danio (an ...
genome sequence was added to the GRC; in 2015, after the release of the
chicken The chicken (''Gallus gallus domesticus'') is a domesticated subspecies of the red junglefowl (''Gallus gallus''), originally native to Southeast Asia. It was first domesticated around 8,000 years ago and is now one of the most common and w ...
genome assembly Gallus_gallus-5.0, GRC added the chicken reference genome, and in November 2020 the rat genome assembly was added. As of September 2019, the major assembly releases for human, mouse, zebrafish, and chicken are GRCh38, GRCm38, GRCz11, and GRCg6a, respectively. Major assembly releases do not follow a fixed cycle; however, there are minor assembly updates in the form of genome patches which either correct errors in the assembly or add additional alternate loci. These assemblies are represented in various genome browsers and databases including
Ensembl Ensembl genome database project is a scientific project at the European Bioinformatics Institute, which provides a centralized resource for geneticists, molecular biologists and other researchers studying the genomes of our own species and other v ...
, those in
NCBI The National Center for Biotechnology Information (NCBI) is part of the National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. The NCBI is loca ...
and
UCSC Genome Browser The UCSC Genome Browser is an online and downloadable genome browser hosted by the University of California, Santa Cruz (UCSC). It is an interactive website offering access to genome sequence data from a variety of vertebrate and invertebrate spec ...
.


Notable staff

* Deanna M. Church, bioinformatics and genomics researcher. * Richard Durbin, computational biologist at the
University of Cambridge The University of Cambridge is a Public university, public collegiate university, collegiate research university in Cambridge, England. Founded in 1209, the University of Cambridge is the List of oldest universities in continuous operation, wo ...
. * Tim Hubbard, computational biologist at the
King's College London King's College London (informally King's or KCL) is a public university, public research university in London, England. King's was established by royal charter in 1829 under the patronage of George IV of the United Kingdom, King George IV ...
and Head of Genome Analysis in
Genomics England Genomics England is a company wholly owned by the United Kingdom's Department of Health and Social Care. Established in 2013, it was tasked with delivering the 100,000 Genomes Project, a pioneering initiative that sequenced 100,000 genomes fro ...
.


External links


Genome Reference Consortium
Institute Homepages
The European Bioinformatics Institute

The Genome Institute at Washington University

The National Center for Biotechnology Information

The Wellcome Trust Sanger Institute

Zebrafish Model Organism Database (ZFIN)

Rat Genome Database (RGD)
Genome assemblies * Chicken genome assemblie
Gallus_gallus-5.0
an
GRCg6a/galGal6
* Human genome assembl
GRCh38/hg38
* Mouse genome assembl
GRCm38
* Zebrafish genome assembl
GRCz11/danRer11


References

{{Wellcome Trust Genome projects International scientific organizations Science and technology in Cambridgeshire South Cambridgeshire District Wellcome Trust