Ensembl mobile site help

Things to know when navigating the Ensembl mobile site

Search box

Use the search box at the top right of all Ensembl views to search for a gene, phenotype, sequence variant, and more.

Top navigation

Touch MENU button to open the main menu and touch again to close.

Touch MENU

Left hand side menu

Touch the left menu icon () or swipe right to open the side menu and touch anywhere outside the menu or touch the cross icon or swipe left to close.

The ? icon

Touch the icon to get help

And don't forget to send us your comments using the feedback link inside the main menu.

EnsemblEnsembl Home

Donkey assembly and gene annotation

Assembly

The ASM303372v1 assembly was submitted by Centre for GeoGenetics on April 2018. The assembly is on scaffold level, consisting of 49,709 contigs assembled into 9,021 scaffolds. The N50 size is the length such that 50% of the assembled genome lies in blocks of the N50 size or longer. The N50 length for the contigs is 134,070 while the scaffold N50 is 15,144,613.

Gene annotation

The donkey or ass (Equus africanus asinus) is a domesticated member of the horse family, Equidae. The wild ancestor of the donkey is the African wild ass, E. africanus. The donkey has been used as a working animal for at least 5000 years. There are more than 40 million donkeys in the world, mostly in underdeveloped countries, where they are used principally as draught or pack animals. Working donkeys are often associated with those living at or below subsistence levels. Small numbers of donkeys are kept for breeding or as pets in developed countries.A male donkey or ass is called a jack, a female a jenny or jennet; a young donkey is a foal. Jack donkeys are often used to mate with female horses to produce mules; the biological "reciprocal" of a mule, from a stallion and jenny as its parents instead, is called a hinny.Asses were first domesticated around 3000 BC, probably in Egypt or Mesopotamia, and have spread around the world. They continue to fill important roles in many places today. While domesticated species are increasing in numbers, the African wild ass is an endangered species. As beasts of burden and companions, asses and donkeys have worked together with humans for millennia.

The gene annotation process was carried out using a combination of protein-to-genome alignments, annotation mapping from a suitable reference species and RNA-seq alignments (where RNA-seq data with appropriate meta data were publicly available). For each candidate gene region, a selection process was applied to choose the most appropriate set of transcripts based on evolutionary distance, experimental evidence for the source data and quality of the alignments. Small ncRNAs were obtained using a combination of BLAST and Infernal/RNAfold. Pseudogenes were calculated by looking at genes with a large percentage of non-biological introns (introns of <10bp), where the gene was covered in repeats, or where the gene was single exon and evidence of a functional multi-exon paralog was found elsewhere in the genome. lincRNAs were generated via RNA-seq data where no evidence of protein homology or protein domains could be found in the transcript.

In accordance with the Fort Lauderdale Agreement, please check the publication status of the genome/assembly before publishing any genome-wide analyses using these data.

More information

General information about this species can be found in Wikipedia.

Statistics

Summary

AssemblyASM303372v1, INSDC Assembly GCA_003033725.1, Apr 2018
Base Pairs2,321,044,345
Golden Path Length2,321,044,345
Annotation providerEnsembl
Annotation methodFull genebuild
Genebuild startedSep 2018
Genebuild releasedDec 2018
Genebuild last updated/patchedApr 2019
Database version100.1

Gene counts

Coding genes19,963
Non coding genes2,725
Small non coding genes1,427
Long non coding genes907
Misc non coding genes391
Pseudogenes240
Gene transcripts36,875

Other

Genscan gene predictions46,770

About this species

HASH(0x22996a60)