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. 2012 Aug 30;3:317. doi: 10.3389/fmicb.2012.00317

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Copyright © 2012 Scott, Nguyen, King, Hendrickson and McShan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in other forums, provided the original authors and source are credited and subject to any copyright notices concerning any third-party graphics etc.

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Phylogenetic analysis of the repressor-operator regions of SpyCI. (A) The chromosomal DNA region of the SpyCI, containing the predicted repressors, operators, and antirepressors, were aligned using Geneious (Drummond et al., 2012), and a phylogenetic tree was constructed from the alignment by neighbor-network analysis (Huson, 1998). Below the tree is the sequence view of the alignment of the operator regions; variants from the consensus are colored by nucleotide. The SpyCI regions analyzed were from strains SF370 (M1), MGAS10270 (M2), MGAS10750 (M4), Manfredo (M5), MGAS10394 (M6), MGAS6180 (M28), Alab49 (M53), MGAS15252 (M59), and MGAS1882 (M59.1). (B) Shown is the identity matrix for the DNA alignment of the SpyCI repressor-operator regions.