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. 2012 Jul 18;3:252. doi: 10.3389/fmicb.2012.00252

Table 1.

Summary statistics for the AOA amoA sequence dataset.

Total sequences Number of nucleotide sequence OTUs (identity level)
Unique protein sequences
Unique 99% 95% 90% 85%
Overall 8296 6203 2494 805 315 138 3729
Aquaria + Biofilters 277 159 48 18 8 4 104
Caves 82 52 6 5 4 3 41
Coastal sediments 2459 1947 864 355 150 66 1296
Coral + Sponges 407 282 101 56 42 30 194
Groundwater 215 180 81 26 15 10 123
Hot springs 197 183 121 80 51 31 169
Hydrothermal vents 120 95 43 25 17 12 77
Lakes + Rivers 445 355 150 72 39 27 228
Marine sediments 342 299 232 125 65 41 243
Seas 95 73 22 8 6 5 52
Soils 2621 1748 704 280 137 70 1031
Water column 902 767 301 64 27 16 304
Wastewater treatment 134 100 36 25 20 17 84