TABLE 3.

Number of clones screened and sequenced for each clone library and numbers of clones for each AOB strain from this study found in the libraries

Group	No. of clones for:
	Bio-Farm16	BC5	BC5(2)	R3	R7	R5	R7PostBA
Clones screeneda	54	76	104	36	185	105	83
Clones fully sequenced	20	21	2	12	18	15	4
Clones partially sequenced	34	47	86	6	110	21	44
β proteobacteria AOB
Nitrosomonas marina-like AOB	4	2	2	0	13	0	0
Nitrosospira tenuis-like AOB	16	0	0	7	0	62	0
Nitrosomonas europaea-like AOB	0	0	0	1	0	19	0
Nitrosococcus mobilis-like AOB	1	0	0	0	0	0	0
Nitrospira-like NOB	0	2	14	24	51	0	2

^aScreened by REA.