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Enterobius vermicularis

BioProject PRJEB503 | Data Source Wellcome Sanger Institute | Taxonomy ID 51028

About Enterobius vermicularis

The nematode Enterobius vermicularis, or human pinworm, is an intestinal parasite of humans that causes enterobiasis. It has a worldwide distribution and is the most common helminth infection in the many developed countries. Infection is transferred host to host through contamination, and children have higher prevalence rate, possibly due to finger sucking and nail biting.

Genome Assembly & Annotation


The draft genome assembly was produced by the Parasite Genomic group at the Wellcome Trust Sanger Institute, in collaboration with Pilar Foronda Rodríguez (La Laguna University) as part of the 50 Helminth Genomes project. The assembly uses Illumina paired-end sequencing followed by an in-house genome assembly pipeline comprising various steps, including contig assembly, scaffolding, gap-filling and error-correction.


The gene predictions were made by the Parasite Genomics group at the Wellcome Trust Sanger Institute and WormBase, as part of the 50 Helminth Genomes project. An in-house pipeline was developed that used MAKER to generate high-quality annotations by integrating evidence from multiple sources: ab initio gene predictions from AUGUSTUS, GeneMark-ES, and SNAP; projected annotation from C. elegans (using GenBlastG) and the taxonomically nearest reference helminth genome (using RATT); and ESTs, mRNAs and proteins from related organisms aligned to the genome using BLAST, with refinement of alignments using Exonerate.

Key Publications

Assembly Statistics

AssemblyE_vermicularis_Canary_Islands_upd, GCA_900576705.1
StrainSpain/Canary Islands
Database VersionWBPS19
Genome Size150,050,672
Data SourceWellcome Sanger Institute
Annotation Version2014-06-50HGPpatch

Gene counts

Coding genes12,895
Gene transcripts12,895

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