WormBase ParaSite HomeVersion: WBPS9 (WS258)

Ascaris suum

BioProject PRJNA62057 | Data Source University of Colorado School of Medicine | Taxonomy ID 6253

About Ascaris suum

The nematode Ascaris suum is the large roundworm parasite of pigs and the causative agent of ascariasis. It is closely related to A. lumbricoides, the human large roundworm parasite, one of the most common human parasitic infections in the world. Cross infections of A. suum to humans and A. lumbricoides to pigs has been reported.

There is 1 alternative genome project for Ascaris suum available in WormBase ParaSite: PRJNA80881

Genome Assembly & Annotation


The A. suum genome has been sequenced by the Davis laboratory at the University of Colorado in collaboration with the Mitreva laboratory at the Genome Institute of Washington University, as described by Wang et al (2012). The assembly represented here is the germ-line genome version nAs2.0, obtained from nematodes.org. It is similar but not identical to the INSDC assembly GCA_000187025.2 (contigs were clipped and filtered during the GenBank submission process).


The gene predictions were made by the Davis laboratory at the University of Colorado. The version represented here is nAs.2.0.1 from nematodes.org.

Key Publications

Assembly Statistics

StrainA. suum US isolate
Database VersionWBPS9
Genome Size265,545,801
Data SourceUniversity of Colorado School of Medicine
Annotation Version2014-05-WormBase

Gene counts

Coding genes15,260
Gene transcripts15,260

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About this species