Ensembl Fruitfly

Karyotype

Click on a chromosome for a closer view

About the Fruitfly genome

Assembly and Annotation

The data displayed on the Ensembl Fruitfly site is a compendium of data from different sources: The euchromatic sequence is based on BDGP assembly release 4, whereas the annotations of the euchromatic regions displayed in Ensembl are based on data imported from flybase rel.4.3 (dated 20060130).

For the heterochromatic regions sequence was provided by DHGP (release 3.2). The annotations on the heterochromatin are imported from gff-files published by flybase (release 3.2b2, dated 20050110). No additional gene build has been carried out, however repeats, blast hits from the Swall database and protein features have been computed through the Ensembl pipeline.

We have included Drosophila into the Ensembl system to allow people to access the Fly genome through the Ensembl user interface (both for visualisation and data mining) and to provide cross-species integration throught our comparative genomics resources (such as homologous gene links and family pages).

The canonical data for Drosophila is managed at FlyBase and we are working in partnership with them to provide feedback on their resources.

What's New in Ensembl 41

Drosophila melanogaster News

• Compara - whole genome alignments and syntenies
  

  Whole Genome Alignments

  Chimp (Pan troglodytes)

  Owing to the new Chimp assembly and genebuild, there is a new MLAGAN primate 3-way alignment of human, chimp and macaque.
  Read more...

General News

• New animated tutorials
  A selection of Ensembl tutorials are now available online as Flash-animated presentations (with popup notes instead of a soundtrack).
  Read more...
• Compara updates
  

  Homologies

  Gene trees have been updated to include the 2X genomes and use a multifurcating species tree, and homologues added based on gene trees.
  Read more...

• Minor schema changes
  

  analysis_description

  Now has a 'displayable' flag to control whether or not it is usually displayed in the web pages

  xref

  One column has been changed and one added

  • the info_type column has addition ENUM values to give more details about xref provenance
  • A new column 'priority' supports the fetching of xrefs of the same type

  The API has of course been updated to reflect these changes

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  Read more...

More news...

Statistics

* Total number of base pairs = sum of lengths of DNA table plus gaps (see assembly details, above).

** Reference assembly (Golden path) length = sum of non-redundant top level seq regions