Table 3.

The list of species representing the major hubs in the HGT network and their connectivity ranking in the three trees considered


Organism

Average ortholog similarity

Gene content

Genome conservation

STRING
Pirellula sp. 2 1 1 Absent
Bradyrhizobium japonicum 3 3 2 4
Erwinia carotovora 5 2 4 Absent
Clostridium acetobutylicum 4 4 10 5
Chromobacterium violaceum
6
10
9
Absent

[i] (HGT vine width threshold is set to 10; see Methods). Inner nodes of the tree are ignored during the ranking. Absent signifies absence of the organism in the input data.