Functional and evolutionary analysis of alternatively spliced genes is consistent with an early eukaryotic origin of alternative splicing-1

<p><b>Copyright information:</b></p><p>Taken from "Functional and evolutionary analysis of alternatively spliced genes is consistent with an early eukaryotic origin of alternative splicing"</p><p>http://www.biomedcentral.com/1471-2148/7/188</p><p>BMC Evolutionary Biology 2007;7():188-188.</p><p>Published online 4 Oct 2007</p><p>PMCID:PMC2082043.</p><p></p>corresponds to the group of KOG's likely appeared before the split of animals, plants and fungi; AF (brown line), KOG's likely appeared in the fungamal ancestor; A (blue line), clusters of orthologous likely appeared in the ancestors of nematodes, insects and vertebrates; LSE's (four wide black lines) correspond to lineage specific expansions of plants, nematodes, insects and vertebrates. : Percentage of AS for genes according to phylogenetic origin. PAF: ancestral to plants, animals and fungi. AF: ancestor of animals and fungi. A: animals. LSE: lineage specific expansions. Hsa (), Cel (), Dme (), Ath (), Sce (), Spo (), Ecu (). Note that in genes can only group into PAF or LSE