MLST sequence analysis trees. Maximum parsimony trees representing the B. cereus group, including types for B. cereus, B. anthracis, and B. thuringiensis and representatives from . Relationships were established using two of the six primers generally used to distinguish the three Bacillus type bacteria within this group (GlyP, and PyC; . Alignments generated from a 520 bp alignment of the GLP locus and a 520 bp alignment of the PYC locus. Isolates from honey bees shown in bold.