Figure 2.

A parsimony-based reconstruction reveals that 10 snoRNA families and 32 multi-family clans can be traced back to the Last Eukaryotic Common Ancestor (LECA). A) Radial tree, showing numbers of Rfam families/clans at each node. B) The same result shown as in A, but with Rfam family and clan distribution for individual species displayed. Colors in both panels delineate the five major eukaryotic supergroups for which genomic data are currently available: Opisthokonta (fungi & metazoa), orange; Amoebozoa, yellow; Excavata, purple; Archaeplastida, green; Chromalveolata, dark green.

Hoeppner and Poole BMC Evolutionary Biology 2012 12:183   doi:10.1186/1471-2148-12-183
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