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Saccoglossus kowalevskii genome portal
JBrowseQuery page – Genome content overview – Gene content overviewDownload section



A Genome Browser access point is available and it includes:

  • 2 different JBrowses built based on the genome assembly sequences from: 1) RefSeq and 2) OIST;
  • all the gene annotations versions from RefSeq and OIST (predicted and re-mapped); 
  • all the available ESTs downloaded from dbEST.

Search for specific elements through the dedicated Query page.

Genome content overview:
the following genome assemblies are available in the platform: 

  • GCF_000003605.2 from RefSeq;
  • OIST: V3 from ENSEMBL.

Notes from BIOINforMA:
the number of scaffolds predicted by RefSeq are 54,120 versus the 7,282 predicted by OIST.

Gene content overview:
the following gene annotations are available in the platform: 

  • version 101 from RefSeq;
  • version 3 from OIST.

Notes from BIOINforMA:
we re-mapped the transcripts sequences predicted by a source
on the assembly of another one.

The results are two extended annotation files:
1) based on the RefSeq assembly,
2) based on the OIST assembly.

Clicking on the links above, you will redirect to dedicated pages with an interactive table, where there are reported the annotated and remapped transcripts (Transcript ID) per available resource (Annotated by), their location (Region, Start, End, Strand) and their functional annotation (when available). Search by keyword in the “Search” box, plus Sorting and Filtering can be applied. Direct links of the  selected genes to the JBrowse is also available.


Download information:

Source Genome Assembly (FASTA-big file) Gene Annotation (GFF3) Gene Sequences (FASTA) mRNA Sequences (FASTA) Protein Sequences (FASTA)
RefSeq GCF_000003605.2 v. 101 download download download
OIST OIST:v3 v. 3 download download download

Genome Assembly: FASTA file of all the chromosome/scaffolds/contigs;
Gene Annotation: GFF file containing information about all the annotated genes, mRNAs, UTRs, CDSs;
Gene Sequences: FASTA file of all the gene sequences;
mRNA Sequences: FASTA file of all the mRNA sequences;
Protein Sequences: FASTA file of all the protein sequences.