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Table 1 Number of sequences and operational taxonomic units (OTUs) in the studied samples

From: Young «oil site» of the Uzon Caldera as a habitat for unique microbial life

Sample Initial number of reads (sequences) Number of reads before quality control (excluding chimeric ones) Number of reads longer than 250 bp % of reads longer than 250 bp OTUs
U3_kot 33,436 26,305 15,875 60.34974 55
U3_AS (U-003-3-3/11) 29,664 23,117 11,899 51.47294 106
U3_1–3 37,597 31,475 21,396 67.97776 102
U3_2–3 29,404 25,506 13,675 53.61484 177
U3_4–9 35,763 28,885 19,721 68.27419 206
U3_4–10 44,969 35,903 29,101 81.05451 150
U3_5yasher 41,817 34,346 26,071 75.90695 130
U20Bur 30,409 21,406 11,795 55.10137 204
U5–1 23,066 22,509 21,689 94.03017 106
G11-1а 26,451 25,392 22,480 84.98734 178