Table 2.

Number of different ORFs and IGRs identified in the experiments^a

Characteristic	No. of rRNA hits, biofilms	Total no. of hits, biofilm ORFs	Total no. of hits, supernatant ORFs	No. of unique ORFs identified, biofilm	No. of unique ORFs identified	Total no. of unique ORFs in the community	No. of rRNA hits, supernatant	Total no. of hits, biofilm IGRs	Total no. of hits, supernatant IGRs	No. of unique IGRs identified, biofilm	No. of unique IGRs identified, supernatant	Total no. of unique IGRs in the community
Healthy	5,157,293	1,331,097	593,118	7,982 (66%)	7,520 (62%)	12,054	11,649,872	765,970	452,726	2,146 (24%)	2,236 (25%)	8,919
Pathogenic	14,025,715	578,919	744,494	6,923 (38%)	9,714 (53%)	18,146	21,036,949	203,215	826,255	1,122 (9%)	2,247 (18%)	12,318

^arRNA sequences were discarded from the final analysis. We present the results for protein-coding ORFs and small noncoding RNA IGRs. In parentheses, the fraction of ORFs or IGRs that were identified when compared with the total number in the metagenome.