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. 2012 Apr 10;7(4):e32867. doi: 10.1371/journal.pone.0032867

Figure 1. Schematic tree diagram of the eukaryotic supergroups showing the location of nitrile hydratase containing taxa.

Figure 1

After Walker et al. (2011). Groups labelled in black encompass the taxa listed in table S1; those in grey encompass the taxa in the EMBL/Genbank dbEST, and non-redundant protein and nucleotide databases. Blue = Opisthokonta, Brown = Amoebozoa, Magenta = Excavata, Green = Archaeplastida, Grey = CCTH Supergroup Red = SAR Supergroup, with stramenopile, alveolate and rhizarian labeled. Taxa in capitals contain multicellular species. Taxa highlighted contain species with nitrile hydratase genes. * = eukaryotic-type nitrile hydratase. Number of * indicates the number of subunits present. # = nitrile hydratase subunit genes that may be the result of prokaryotic contamination. Note that taxa branching from a single point represent nodes with ambiguous branching, and the eukaryotic tree is unrooted.