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19 January 2011 -
Browser Released for Zebrafish Zv9 Assembly
The most recent zebrafish assembly -- Zv9 (UCSC version
danRer7, Jul. 2010) -- is now available in the UCSC
Genome Browser. This assembly was produced by
The Wellcome Trust Sanger Institute, UK.
The Zv9 assembly comprises a sequence length of 1.4 Gb in
- 26 chromosomes and 1,107 scaffolds with a coverage of
- 6.5-7x. This assembly is based on a clone path sorted with
+ 26 chromosomes and 1,107 scaffolds. This assembly is based
+ on a clone path sorted with
the high-density meiotic map SATMAP (Clark et al., in
preparation). The data freeze was taken on 1 April 2010.
The remaining gaps were filled with sequence from WGS31, a
combined Illumina and capillary assembly. The assembly
integration process involved sequence alignemnts as well as
cDNA, marker and BAC/Fosmid end sequence placements.
The zebrafish mitochondrial sequence is also available in
the Genome Browser as the virtual chromosome chrM. For
more details about the Zv9 assembly, see the Sanger
Institute page for the
Danio rerio Sequencing Project.
The danRer7 sequence and annotation data can be
downloaded from the UCSC Genome Browser
FTP server
or
downloads
page. Please review the Sanger Institute
guidelines for using these data.
We'd like to thank the Wellcome Trust Sanger Institute
for providing this assembly.
The UCSC zebrafish Genome Browser
was produced by Hiram Clawson, Greg Roe, Mary Goldman,
Brian Raney and Donna Karolchik. See the
credits
page for a detailed list of the organizations and
individuals who contributed to this release.
10 January 2011 - Introducing Genome Browser Right-click Navigation
Several of the common display and navigation operations
offered on the Genome Browser tracks page may now be quickly
accessed by right-clicking on a feature on the tracks image
and selecting an option from the displayed menu. Depending
on context, the right-click feature will let you
change the track display mode, zoom in or out to the exact
position coordinates of the feature, open the "Get
DNA" window at the feature's coordinates, display
details about the feature, open a popup window to configure
the track's display, or display the entire tracks image in
a separate window for inclusion in spreadsheets or other
documents. (Note that the "PDF/PS" option in the
Genome Browser top navigation bar can also be used to
generate a high-quality annotation tracks image suitable
for printing.)
To use the right-click feature, make sure the "Enable
advanced javascript features" option on the
tracks
configuration page is checked, and configure your
internet browser to allow the display of popup windows from
genome.ucsc.edu. When enabled, the right-click
navigation feature replaces the default contextual menu
typically displayed by your internet browser when you
right-click on the tracks image. A few combinations of the
Mozilla Firefox browser on Mac OS do not support the
right-click menu functionality using secondary click; in
these instances, you must use the explicit ctrl-click action
to display the menu.
Credit goes to Larry Meyer and Brooke Rhead for doing the
lion's share of the design, development and testing of this
feature, with engineering support from Tim Dreszer and
additional testing by several others on the QA team.
2 December 2010 -
Searching for Tracks Just Got Easier!
The number of genome assemblies and annotation
tracks in the UCSC Genome Browser has increased
exponentially over the past few years. Along with this
growth, it has become more difficult for browser users to
sort through the many tracks to find the data they're
interested in.
With our latest Genome Browser release, we've introduced a
new track search feature that will help you to quickly and
easily find and display specific annotation data sets. The
search feature is available via the "track search" button
on the browser gateway and tracks display pages.
Read
more.
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