Genus Number of organisms Number of organisms with homolog for at least one enzyme in the five categories
Category- Category- Category- Category- Category-
I II III IV V
Acinetobacter 7 4 7 6 4 6
Bordetella 5 5 5 5 5 5
Burkholderia 21 21 21 21 21 21
Desulfovibrio 5 5 5 5 5 2
Escherichia 22 22 22 22 22 0
Francisella 9 9 9 9 8 7
Helicobacter 8 7 8 8 0 7
Leptospira 6 6 6 6 6 2
Neisseria 6 6 6 6 6 6
Pseudomonas 16 16 16 16 15 5
Ralstonia 5 4 4 4 3 4
Rhizobium 5 4 4 4 4 3
Synechococcus 11 11 11 11 7 3
Thermotoga 5 5 5 5 4 0
Vibrio 10 10 10 10 10 6
Xanthomonas 8 8 8 8 8 8
Yersinia 12 12 12 2 1 12
Table 6: Variations in the presence of homologs for O-glycosylation pathway enzymes in different genera.