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Ensembl Chicken What's New v23.1a.1 (26 July 2004)

Ensembl: Latest Developments
v23.1a.1 Update
The new/updated Chicken data in release 23 are:

 Core database
  BAC end dataset added

 SNP database
  New SNP database from BGI data

 Lite database
  New database with the new SNP data

 Compara database
  Protein families rebuilt
  Orthologues rebuilt

Schema changes in v23
 SNP database
  In table "Freq", changed "count" column from smallint(5) unsigned changed to float
  In table "SubSNP", added a column "strand_to_rs" tinyint(4)

 Compara database
  In table "method_link_species", changed index from UNIQUE method_link_id (method_link_id,species_set,genome_db_id) to KEY method_link_id (method_link_id,species_set,genome_db_id) to allow intra-species data set such as the new human paralogues set.

New features in v23
 MultiContigView
  Can now locate homologous regions by gene homology, as well as the original DNA-DNA alignment method. Orthologues on GeneView are now linked into MultiContigView.
  Can show links between homologous transcripts (select "Join transcripts" from the "Compara" menu).

 GeneView
  Now has a link ("Sequence Markup") that displays the genomic sequence of the gene, optionally marked-up with exons, SNPs, and line numbers.[e.g.]
  The gene neighbourhood image at the top of GeneView now has a Features drop-down menu, similar to the menus on ContigView. This menu provides options for displaying SNPs and different transcripts on the image.

 BLASTView
  Addition of an ncRNA BLAST database for human
  The SETUP page has been extended:
- Query sequences can be loaded via ID (EMBL/Uniprot/RefSeq) e.g. NM_002931
Searches can be run using one of five pre-set sensitivity levels; exact, near-exact, near-exact (oligo), local mismatch, and distant homology.
  New features on the DISPLAY page:
- The top 'n' alignments (various sort options) to display can now be specified.
- There is a new graph that displays the location of matches on the length of the query sequence.
- For the alignment summary table, there are new options to allow the alignment location to de displayed in any coordinate system.
- A new page (follow the "[G]" link) shows genomic sequence (with user-definable coordinate system, orientation, and length of flanking sequence) with the Exons and SNPs highlighted.

 AlignView
  This page has been extended to display Compara DNA-DNA and gene homology alignments, in a variety of different formats. These alignments can be reached via GeneView (for homologues) or from the Compara tracks in ContigView. [e.g.]

 GeneSNPView
  The table at the bottom of the page now displays the SNP type, AA change, and AA position for all transcripts of the gene.

 FASTAView
  Can display data from the core database for mapped Affy identifiers, including description, locations. and other members of a composite group. These data are linked to from the mapped Affys on ContigView and GeneView.

 ContigView
  New ncRNA tracks ("Features" menu)
  New ENCODE region track ("Features" menu)
  New tracks for Affy hg_u95b, c, d, and e probesets ("Features" menu)



 Date : Fri Jan 9 22:24:18 2009 Help Desk / Suggestions