TABLE 1.

Sequence processing metrics

Sample	SRA sample	SRA experiment	SRA run	Total no. of reads	No. of reads retained after QCa	Median read length (bases)	No. of reads retained after ITSx	No. of chimeric reads identified	No. of OTUsb
Mock.A	SRS1648698	SRX2056713	SRR4070107	972,843	76,842	201	76,244	8	21
Mock.B	SRS1648691	SRX2056697	SRR4070093	1,025,155	200,436	208	199,600	35	21
TKN0051.O.4	SRS1648565	SRX2056570	SRR4069943	2,125,478	304,383	204	297,784	71	1,349
UP1B.M.5	SRS1648566	SRX2056569	SRR4069942	1,758,453	261,735	211	252,437	49	1,339
UP1B.O.5	SRS1648564	SRX2056568	SRR4069941	1,060,118	190,173	207	184,451	55	795
UP3A.M.5	SRS1648527	SRX2056531	SRR4069914	1,526,506	222,749	207	218,855	59	764
UP3A.O.5	SRS1648182	SRX2056187	SRR4069933	1,401,263	224,421	206	219,897	29	1,187
Total				9,869,816	1,480,739		1,449,268	306	2,632

^aQC, quality control.

^bWith abundances of ≥2, i.e., global singletons were removed. Some of the same OTUs occur in multiple samples, hence, the total value in the last row is less than the cumulative total of the other rows.