Table 4.

Taxonomic level reached when identifying 41 bacterial strains using four 16S rRNA hypervariable regions. Number of species identified at each taxonomic level are shown

Taxonomic level	16S rRNA Hypervariable region
	V1	V3	V6	V1–V2
Kingdom	0	0	3	0
Phylum	0	0	0	0
Class	0	0	7	0
Order	2	5	2	0
Family	6	6	7	0
Genus	10	10	11	1
Species	21	20	11	40
No call	2	0	0	0

Bold was used to visually distinguish the values from those that are zero.