Description
This column shows the ratio of expression of each gene in a particular phase
of the worm life cycle to expression of the gene in mixed wild-type N2
cultures. These experiments were replicated several times. This track
shows the median value for each life cycle stage.
A gene that is more highly expressed in a life cycle phase is colored red, and
a less expressed gene is shown in green. The values are colored on a logarithmic
scale. This coloring is standard, but is the opposite of what a naive user
might expect: in this case, red means go and green means stop!
Black indicates that a gene is neither over nor under expressed in a life cycle
phase. Uncolored boxes (white on most browsers) represent missing data.
Column Configuration
Column configuration options are available on the Configuration page,
which can be accessed via the configure button in the top menu.
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Color scheme: Color blind users can switch the coloring scheme from red/green to
yellow/blue via the Expression ratio colors pulldown menu at the top
of the Configuration page.
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Brightness: To increase or decrease the brightness of the expression colors,
edit the number in the column's brightness text box. Values greater
than 1.0 increase the brightness, while those less than 1.0 dim the color.
Methods
The data in this column were collected as described in the paper
Jiang M, et.al. (2001),
"Genome-wide analysis of
developmental and sex-regulated gene expression profiles in
Caenorhabditis elegans", PNAS 98(1):218-23.
We retrieved the data from the
Stanford Microarray
Database.
Credits
Many thanks to the Kim
Lab for making the data available.