WormBase ParaSite HomeVersion: WBPS18 (WS285)-  Archive: WBPS17

Schistosoma intercalatum

BioProject PRJEB44434 | Data Source Wellcome Sanger Institute | Taxonomy ID 6187

About Schistosoma intercalatum

Schistosoma intercalatum is a parasitic flatworm that infects humans and causes intestinal schistosomiasis. The parasite is found in parts of western and central Africa. It has a complex life cycle, with freshwater snails acting as intermediate hosts and humans as definitive hosts.

There is 1 alternative strain from this genome project for Schistosoma intercalatum available in WormBase ParaSite: tdSchInte2.1

Genome Assembly & Annotation


This annotated genome assembly was produced as part of the doctoral thesis of Duncan Berger: [Berger, D. (2021). Comparative and population genomic analyses of the parasitic blood flukes (Doctoral thesis)](https://doi.org/10.17863/CAM.86667).

The assembly was generated from PacBio long-read sequencing data and scaffolded using Hi-C.

The source material for genome sequencing was a single female adult worm, originally obtained from the Democratic Republic of Congo in 1997, archived as part of the SCAN collection at the Natural History Museum, London, and provided by Fiona Allan, Aidan Emery and Muriel Rabone. Additional worms from the same collection were used for gene finding.


Gene finding employed a customized pipeline that integrated RNA-Seq, Iso-Seq and homology data. Berger, D. (2021). Comparative and population genomic analyses of the parasitic blood flukes (Doctoral thesis).

Assembly Statistics

AssemblytdSchInte1.1, GCA_944470365.2
Database VersionWBPS18
Genome Size386,083,432
Data SourceWellcome Sanger Institute
Annotation Version2022-10-WormBase

Gene counts

Coding genes9,676
Gene transcripts17,822

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