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Gorilla assembly and gene annotation

Assembly

The gorGor4 assembly was submitted by Wellcome Trust Sanger Institute on 2014/12/19 . The assembly is on the Chromosome level, consisting of 170,105 assembled into 40,730 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 52,934 while the scaffold N50 is 81,227,029.

The genome assembly represented here corresponds to GenBank Assembly ID GCA_000151905.3

Gene annotation

Gorillas are ground-dwelling, predominantly herbivorous apes that inhabit the forests of central Africa. The eponymous genus Gorilla is divided into two species: the eastern gorillas and the western gorillas (both critically endangered), and either four or five subspecies. They are the largest living primates. The DNA of gorillas is highly similar to that of humans, from 95–99% depending on what is counted, and they are the next closest living relatives to humans after the chimpanzees and bonobos.

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.

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

AssemblygorGor4, INSDC Assembly GCA_000151905.3, Dec 2014
Base Pairs2,917,385,452
Golden Path Length3,063,362,794
Annotation providerEnsembl
Annotation methodFull genebuild
Genebuild startedAug 2017
Genebuild releasedDec 2017
Genebuild last updated/patchedJan 2018
Database version94.4

Gene counts

Coding genes21,794
Non coding genes7,768
Small non coding genes5,207
Long non coding genes490
Misc non coding genes2,071
Pseudogenes522
Gene transcripts53,705

Other

Genscan gene predictions55,394

About this species