Phylogenetically Inferred Groups



What are PhIGs?

PhIGs are an attempt to cluster genes from multiple organisms into groups that are all descended from a single ancestral gene. This clustering is accomplished by using the known phylogenetic relationships to guide the creation of the PhIGs


Why are PhIGs useful?

By studying genes within their evolutionary context we can differentiate between orthology versus paralogy relationships, find lineage specific evolution and facilitate functional, comparative and phylogenomic research.


How are PhIGs created?

PhIGs are created such that when following the known phylogeny, at each node, groupings ensure that genes from the species on one descending branch are more closely related to each other than to genes on the other branch, and both sets of descending genes are more closely related to each other than genes from species elsewhere on the tree.
A paper describing this resource is currently being prepared.


Contact Info

For more information about how PhIGs was developed, or to request data sets, please contact Paramvir Dehal at psdehal@lbl.gov

PhIGs

Group Species Version
Opisthokonts 23 1
(Fungi + Metazoa)

Chordates
11 1

Plants
(coming soon)

Bacteria
(coming soon)


Synteny

Synteny maps between the species are created on the basis of orthologous genes and presented on the Synteny Viewer.

Downloads

All data will be available for download from our ftp server soon.

Help & Documentation

Also coming soon.

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