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Cylicostephanus goldi

BioProject PRJEB498 | Data Source Wellcome Sanger Institute | Taxonomy ID 71465

About Cylicostephanus goldi

The nematode Cylicostephanus goldi is a parasite that lives in the large intestine of horses.

Genome Assembly & Annotation


The draft genome assembly was produced by the Parasite Genomic group at the Wellcome Trust Sanger Institute, in collaboration with Jane Hodgkinson (University of Liverpool) 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 Initiative. 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

AssemblyC_goldi_Cheshire_0011, GCA_900617965.1
Database VersionWBPS17
Genome Size173,362,437
Data SourceWellcome Sanger Institute
Annotation Version2014-06-WormBase

Gene counts

Coding genes13,906
Gene transcripts13,906

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