Announcing WormBase ParaSite

We are pleased to announce the first release of WormBase ParaSite (, the new home for parasitic worm draft genomes and genomic data in WormBase.

Parasitic nematodes and flatworms (helminths) are responsible for more than a billion human infections globally and have a devastating impact on livestock and agriculture. As international efforts to sequence the genomes of helminths gather pace, the WormBase groups at EMBL-EBI and Wellcome Trust Sanger Institute have collaborated on the creation of a new BBSRC-funded resource, WormBase ParaSite, to analyse, store and present information on these genomes. WormBase ParaSite is closely aligned with and complementary to the main WormBase web-site (, the central mission of which is to support researchers using Caenorhabditis elegans as a model system.

The first release of WormBase ParaSite includes annotated genomes from 82 species (57 nematodes and 25 platyhelminths), with features including:

  • A genome browser for every genome
  • Comparative analysis (gene orthology and paralogy) using the Ensembl Compara Gene Tree inference method
  • Full text and sequence search (BLAST) services

Development in the coming months will see improved integration with main WormBase site, incorporation of new genomes and data sets, and new querying interfaces and tools oriented towards the use-cases of parasitologists.

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