Ensembl Opossum

 

Example Data Points

This release of M.domestica data is assembled into scaffolds, so there are no chromosomes available to browse. Use BLAST and SSAHA to locate data.

A few example data points :

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About the Opossum genome

Assembly

Opossum This site presents the first preliminary genome assembly (version 0.5) of the gray short-tailed opossum.

The assembly, from the Broad Institute, has a base coverage of approximately 7.19X, constructed from 19348 supercontigs, having N50 length 4047488. The total contig length is 3492108230, spanning 3559101070 bases (including gaps)

Annotation

The gene set for Opossum was built using a modified version of the standard Ensembl genebuild pipeline. The species-specific sequence resources (opossum cDNA and protein) are very limited, so the vast majority of gene models are based on genewise alignments of proteins from other species. Most of the proteins being aligned were from species genetically distant to opossum. To improve the accuracy of models generated from these proteins, the genewise alignments were made to stretches of genomic sequence rather than to 'miniseqs'. Opossum and human cDNAs were aligned and used to add UTRs to the genewise predictions where possible. The gene models were assessed by generating sets of potential orthologs to genes from other mammalian species. Potentially missing predictions and partial gene predictions were identified by examining the orthologs, and exonerate used to build new gene models for these based on the human ortholog peptide sequence.

What's New in Ensembl 37

Monodelphis domestica News

  • Mitochondrial DNA
    Sequences for the mitochondrial DNA of Dog and Opossum, generated from GenBank data, have been added to the respective core databases for these species.
  • Projected gene names

    Gene names have been projected across orthologues in the form.
    Read more...

  • SSAHA2
    Transcript-based SSAHA2 servers are now available for all species. Go to BlastView and select SSAHA2 from the Search Tool box.
  • UniProt updates
    Support has been added for variable splice UniProt records by adding an external db with a display label of "UniprotKB/SpliceVariant" to the external_db table on all databases.
    Read more...
  • GeneSeqalignView
    This new view is based on GeneSeqView, with the added ability to align the given sequence with one or more species.
    Read more...

More news...

Statistics

Assembly: MonDom 2.0, May 2005
Genebuild: Ensembl, Oct 2005
Database version: 37.2a
Known genes: 15,573
Novel genes: 5,515
Pseudogenes: 482
RNA genes: 931
Genscan gene predictions: 107,576
Gene exons: 222,917
Gene transcripts: 27,425
Base Pairs: 3,496,462,732
Golden Path Length: 3,496,330,838
Most common InterPro domains: Top 40 Top 500

 

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Ensembl v37 - Feb 2006
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