Flowchart used in this detection. In similarity search, E, O and I represent the E value, overlap value and identity value used in BLAST searches. In phylogenetic analysis, C/D/E-type topology represents non-HGT event and A/B/F-type topology represents HGT event, which are based on a previous study .
Li et al. BMC Evolutionary Biology 2011 11:356 doi:10.1186/1471-2148-11-356