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UniGene: An Organized View of the Transcriptome.
Each UniGene entry is a set of transcript sequences that appear to come from the same transcription locus (gene or expressed pseudogene), together with information on protein similarities, gene expression, cDNA clone reagents, and genomic location.


Species UniGene entries Cutoff date* Release date*
Chordata
Mammalia
Bos taurus (cow) 45,178 Mar 18 2011 Nov 28 2011
Canis lupus familiaris (dog) 24,459 May 3 2010 Jul 8 2010
Capra hircus (domestic goat) 38,271 Nov 29 2011 Dec 20 2011
Equus caballus (horse) 6,402 Mar 17 2011 Nov 4 2011
Homo sapiens (human) 129,493 Dec 23 2011 Jan 18 2012
Macaca fascicularis (crab-eating macaque) 12,546 Aug 28 2011 Nov 7 2011
Macaca mulatta (rhesus monkey) 7,785 Mar 1 2011 Aug 8 2011
Monodelphis domestica (gray short-tailed opossum) 662 Oct 24 2010 Jan 31 2012
Mus musculus (mouse) 80,345 Sep 8 2011 Dec 16 2011
Ornithorhynchus anatinus (platypus) 749 Nov 26 2009 Jul 27 2010
Oryctolagus cuniculus (rabbit) 7,015 Dec 29 2010 Feb 10 2011
Ovis aries (sheep) 17,318 Aug 27 2011 Nov 21 2011
Pan troglodytes (chimpanzee) 2,412 Mar 15 2011 Mar 28 2011
Papio anubis (olive baboon) 11,659 Mar 8 2011 Nov 7 2011
Peromyscus maniculatus (deer mouse) 11,045 Mar 9 2010 Aug 3 2011
Pongo abelii (Sumatran orangutan) 7,460 Nov 20 2010 Dec 27 2010
Rattus norvegicus (Norway rat) 66,422 Sep 24 2011 Nov 7 2011
Sus scrofa (pig) 46,613 Mar 1 2011 Apr 13 2011
Trichosurus vulpecula (silver-gray brushtail possum) 11,405 Apr 3 2011 Aug 8 2011
Actinopterygii
Danio rerio (zebrafish) 53,525 Mar 16 2011 Nov 4 2011
Fundulus heteroclitus (killifish) 4,454 Nov 24 2010 Nov 7 2011
Gadus morhua (Atlantic cod) 15,612 Jun 29 2011 Aug 10 2011
Gasterosteus aculeatus (three spined stickleback) 16,728 Apr 4 2011 Dec 30 2011
Ictalurus furcatus (blue catfish) 17,357 Sep 18 2008 Nov 3 2011
Ictalurus punctatus (channel catfish) 26,374 Jan 17 2011 Mar 21 2011
Oncorhynchus mykiss (rainbow trout) 117,120 Jul 29 2011 Oct 11 2011
Oreochromis niloticus (Nile tilapia) 17,426 Feb 28 2011 Mar 9 2011
Oryzias latipes (Japanese medaka) 21,803 Aug 28 2011 Nov 2 2011
Pimephales promelas (fathead minnow) 20,664 May 18 2011 Aug 23 2011
Salmo salar (Atlantic salmon) 29,820 Jul 28 2011 Dec 12 2011
Takifugu rubripes (pufferfish) 3,800 Jul 2 2011 Aug 10 2011
Amniota
Anolis carolinensis (green anole) 25,135 Nov 11 2011 Dec 12 2011
Amphibia
Xenopus laevis (African clawed frog) 31,261 Mar 12 2011 Dec 12 2011
Xenopus tropicalis (western clawed frog) 43,712 Oct 6 2010 Oct 21 2010
Ascidiacea
Ciona intestinalis 28,121 Aug 5 2011 Dec 15 2011
Ciona savignyi 7,350 Jan 27 2010 Aug 10 2011
Molgula tectiformis 8,755 Oct 16 2008 Aug 11 2011
Aves
Gallus gallus (chicken) 31,317 Jul 3 2011 Aug 12 2011
Meleagris gallopavo (turkey) 1,406 Nov 2 2011 Jan 30 2012
Taeniopygia guttata (zebra finch) 13,733 Jun 3 2011 Aug 12 2011
Cephalochordata
Branchiostoma floridae (Florida lancelet) 15,165 Apr 3 2011 Aug 12 2011
Hyperoartia
Petromyzon marinus (sea lamprey) 10,622 May 18 2011 Aug 15 2011
Echinodermata
Echinoidea
Paracentrotus lividus (common urchin) 8,313 Jun 3 2011 Aug 15 2011
Strongylocentrotus purpuratus (purple sea urchin) 14,718 Sep 5 2010 Aug 15 2011
Arthropoda
Arachnida
Ixodes scapularis (black-legged tick) 19,405 Jul 30 2009 Jun 23 2010
Tetranychus urticae (two-spotted spider mite) 7,177 Oct 27 2010 Jan 6 2011
Branchiopoda
Daphnia pulex (common water flea) 14,177 Jul 30 2009 May 26 2010
Insecta
Acyrthosiphon pisum (pea aphid) 93,757 Nov 23 2010 Feb 17 2011
Aedes aegypti (yellow fever mosquito) 16,680 Jun 2 2010 Aug 15 2011
Anopheles gambiae (African malaria mosquito) 13,066 Oct 17 2010 Dec 21 2010
Aphis gossypii (cotton aphid) 7,467 Oct 28 2010 Jan 25 2011
Apis mellifera (honey bee) 24,392 Oct 21 2010 Nov 24 2010
Bicyclus anynana (squinting bush brown) 4,615 Nov 5 2010 Aug 15 2011
Bombyx mori (domestic silkworm) 12,467 Oct 24 2010 Dec 8 2010
Culex quinquefasciatus (house mosquito) 5,021 Apr 29 2010 Sep 30 2010
Dendroctonus ponderosae (mountain pine beetle) 6,783 May 24 2010 Mar 14 2011
Drosophila melanogaster (fruit fly) 17,233 Jan 13 2011 Feb 25 2011
Drosophila simulans 7,041 Dec 22 2009 Aug 3 2011
Glossina morsitans 7,521 May 20 2010 Aug 3 2011
Nasonia vitripennis (jewel wasp) 15,445 Jul 29 2010 Aug 16 2010
Tribolium castaneum (red flour beetle) 6,851 Nov 2 2011 Dec 15 2011
Malacostraca
Litopenaeus vannamei (Pacific white shrimp) 7,738 Jul 1 2011 Dec 27 2011
Maxillopoda
Lepeophtheirus salmonis 9,363 Nov 2 2010 Jan 6 2011
Mollusca
Gastropoda
Aplysia californica (California sea hare) 24,709 Jul 8 2011 Nov 30 2011
Lottia gigantea 15,623 Jan 19 2009 May 26 2010
Annelida
Hirudinida
Helobdella robusta 6,973 Dec 22 2009 Feb 5 2010
Polychaeta
Alvinella pompejana 14,191 Mar 31 2009 Dec 10 2010
Nematoda
Chromadorea
Ancylostoma caninum (dog hookworm) 7,455 Mar 23 2010 Sep 29 2010
Caenorhabditis elegans (nematode) 22,358 Jan 13 2011 Aug 17 2011
Platyhelminthes
Trematoda
Schistosoma japonicum 10,483 Apr 10 2011 Aug 17 2011
Schistosoma mansoni 12,517 Jul 28 2011 Dec 27 2011
Turbellaria
Schmidtea mediterranea 10,265 Jul 1 2011 Aug 30 2011
Porifera
Demospongiae
Amphimedon queenslandica 6,211 Dec 30 2009 Dec 30 2011
Cnidaria
Anthozoa
Nematostella vectensis (starlet sea anemone) 14,574 Nov 25 2010 Aug 18 2011
Hydrozoa
Clytia hemisphaerica 4,637 Oct 27 2010 Dec 29 2010
Hydra magnipapillata 10,104 Sep 9 2010 Nov 5 2010
Ascomycota
Eurotiomycetes
Coccidioides posadasii 7,075 Aug 19 2010 Aug 18 2011
Pezizomycetes
Tuber melanosporum 7,543 Oct 28 2010 Jan 6 2011
Sordariomycetes
Gibberella moniliformis 5,316 Nov 1 2009 Aug 17 2011
Magnaporthe grisea 13,135 Apr 28 2009 Aug 31 2011
Neurospora crassa 17,073 Mar 9 2011 Aug 19 2011
Basidiomycota
Heterobasidiomycetes
Filobasidiella neoformans 5,042 Oct 2 2010 Jan 5 2011
Codonosigidae
Monosiga
Monosiga ovata 5,265 Apr 27 2010 Aug 18 2011
Streptophyta
Bryopsida
Physcomitrella patens 18,899 Jan 27 2010 Jun 28 2010
Coniferopsida
Picea glauca (white spruce) 27,848 Oct 17 2011 Nov 4 2011
Picea sitchensis (Sitka spruce) 19,944 Mar 8 2011 May 12 2011
Pinus taeda (loblolly pine) 17,379 Dec 31 2010 Aug 19 2011
Eudicotyledons
Aquilegia formosa x Aquilegia pubescens 7,735 Dec 9 2005 Aug 19 2011
Arabidopsis thaliana (thale cress) 30,595 Aug 12 2011 Oct 11 2011
Arachis hypogea (peanut) 33,015 Jun 9 2011 Aug 19 2011
Artemisia annua (sweet wormwood) 86,708 Nov 2 2011 Dec 12 2011
Brassica napus (rape) 26,117 May 12 2011 Jan 3 2012
Brassica oleracea 14,286 Jan 12 2011 Mar 9 2011
Brassica rapa (field mustard) 14,460 Jun 2 2011 Aug 3 2011
Capsicum annuum 8,731 May 26 2011 Aug 22 2011
Carica papaya 6,992 Apr 10 2011 Aug 2 2011
Citrus clementina 8,994 Jun 27 2010 Aug 22 2011
Citrus sinensis (Valencia orange) 15,936 Jan 4 2011 May 5 2011
Coffea canephora (robusta coffee) 5,231 Jan 1 2011 Aug 22 2011
Glycine max (soybean) 36,180 Dec 16 2011 Jan 3 2012
Gossypium hirsutum (upland cotton) 20,085 Jul 2 2011 Aug 22 2011
Gossypium raimondii 3,174 Jan 27 2010 Aug 22 2011
Helianthus annuus (sunflower) 11,592 May 3 2011 Aug 22 2011
Lactuca sativa (garden lettuce) 45,536 Jun 29 2011 Oct 11 2011
Lotus japonicus 20,128 Mar 1 2011 Aug 22 2011
Malus x domestica (apple) 22,493 Nov 10 2011 Jan 3 2012
Manihot esculenta (cassava) 9,667 Mar 1 2011 Aug 2 2011
Medicago truncatula (barrel medic) 18,045 Nov 21 2011 Jan 31 2012
Mimulus guttatus (spotted monkey flower) 13,108 May 27 2009 Sep 21 2010
Nicotiana tabacum (tobacco) 24,432 Jan 12 2011 Feb 10 2011
Phaseolus vulgaris 6,686 Dec 22 2009 Feb 23 2010
Populus tremula x Populus tremuloides (hybrid aspen) 9,352 Nov 23 2009 Nov 30 2011
Populus trichocarpa (western balsam poplar) 15,056 Nov 10 2011 Jan 3 2012
Prunus persica (peach) 7,481 Dec 27 2010 Dec 27 2011
Quercus robur (truffle oak) 7,170 Sep 10 2010 Jan 11 2011
Raphanus raphanistrum (wild radish) 18,729 Dec 1 2008 Aug 25 2011
Raphanus sativus (radish) 17,181 Jul 15 2011 Sep 16 2011
Solanum lycopersicum (tomato) 17,892 Mar 17 2011 Oct 17 2011
Solanum melongena (eggplant) 9,060 Nov 2 2011 Jan 3 2012
Solanum tuberosum (potato) 18,890 Jan 12 2011 Mar 21 2011
Theobroma cacao 24,263 May 18 2010 Jan 3 2012
Vigna unguiculata (cowpea) 15,365 Jan 16 2011 Sep 27 2011
Vitis vinifera (wine grape) 21,892 Nov 4 2010 Jan 14 2011
Isoetopsida
Selaginella moellendorffii 10,636 Aug 12 2011 Sep 19 2011
Liliopsida
Brachypodium distachyon 10,698 Dec 9 2009 Sep 6 2011
Festuca pratensis (meadow ryegrass) 7,046 May 14 2009 Sep 19 2011
Hordeum vulgare (barley) 26,944 Jun 17 2011 Jul 28 2011
Oryza sativa (rice) 44,005 Aug 3 2011 Dec 13 2011
Panicum virgatum (switchgrass) 22,961 Oct 7 2010 Jan 3 2012
Saccharum officinarum (sugarcane) 15,394 Apr 4 2011 Aug 3 2011
Sorghum bicolor (sorghum) 13,733 Jun 29 2011 Sep 19 2011
Triticum aestivum (Wheat) 56,947 Dec 14 2011 Dec 27 2011
Zea mays (maize) 91,305 Oct 22 2011 Dec 13 2011
Chlorophyta
Chlorophyceae
Chlamydomonas reinhardtii 7,570 Jul 10 2011 Sep 19 2011
Volvox carteri 5,329 Aug 16 2010 Sep 20 2011
Apicomplexa
Coccidia
Toxoplasma gondii 6,533 Apr 27 2010 Jun 10 2010
Bacillariophyta
Bacillariophyceae
Phaeodactylum tricornutum 7,883 Apr 3 2011 Sep 26 2011
Oomycetes
Peronosporales
Phytophthora infestans (potato late blight agent) 8,920 Jul 29 2010 Sep 26 2011
Pythiales
Pythium ultimum 6,663 Jan 26 2011 Mar 14 2011
Dictyosteliida
Dictyostelium
Dictyostelium discoideum (slime mold) 6,187 Jul 28 2010 Sep 26 2011
Ciliophora
Oligohymenophorea
Paramecium tetraurelia 5,230 Jan 7 2011 Sep 26 2011
Tetrahymena thermophila 5,974 Nov 18 2010 Oct 18 2011
* The cutoff date is the modification date of the most recent sequence included in a released UniGene dataset. In order to keep ancillary information such as gene names and reported protein alignments timely, UniGene releases are generated even when there is no new sequence data for an organism. New UniGene builds are announced to the UniGene build RSS RSS icon.

In addition to sequences of well-characterized genes, hundreds of thousands novel expressed sequence tag (EST) sequences have been included. Consequently, the collection may be of use to the community as a resource for gene discovery. UniGene has also been used by experimentalists to select reagents for gene mapping projects and large-scale expression analysis.

However, it should be noted that the procedures for automated sequence clustering are still under development and the results may change from time to time as improvements are made. Feedback from users has been especially useful in identifying problems and we encourage you to report any problems you encounter.

It should also be noted that no attempt has been made to produce contigs or consensus sequences. There are several reasons why the sequences of a set may not actually form a single contig. For example, all of the splicing variants for a gene are put into the same set. Moreover, EST-containing sets often contain 5' and 3' reads from the same cDNA clone, but these sequences do not always overlap.

A representation of the UniGene datasets is available by ftp



Descriptions of the UniGene transcript based and genome based build procedures are available.
UniGene References

Pontius JU, Wagner L, Schuler GD. UniGene: a unified view of the transcriptome. In: The NCBI Handbook. Bethesda (MD): National Center for Biotechnology Information; 2003.

[Full Text] [PDF]

Wheeler DL, et al. Database Resources of the National Center for Biotechnology. Nucl Acids Res 31:28-33;2003.

[PubMed] [Full Text] [PDF]

Schuler GD. Pieces of the puzzle: expressed sequence tags and the catalog of human genes. J Mol Med 75:694-698; 1997.

[PubMed]

Schuler GD, et al. A gene map of the human genome. Science 274:540-546; 1996;

[PubMed] [Full Text]

Boguski MS, Schuler GD ESTablishing a human transcript map. Nature Genetics 10: 369-371; 1995.

[PubMed]