SRX5274644 R3 SRP181066 bp0 Operational taxonomic units (OTUs) were clustered with 97% similarity cutoff using UPARSE and chimeric sequences were identified and removed using UCHIME SRS4274873 R3 R3 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX5274645 R2 SRP181066 bp0 Operational taxonomic units (OTUs) were clustered with 97% similarity cutoff using UPARSE and chimeric sequences were identified and removed using UCHIME SRS4274874 R2 R2 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX5274646 R1 SRP181066 bp0 Operational taxonomic units (OTUs) were clustered with 97% similarity cutoff using UPARSE and chimeric sequences were identified and removed using UCHIME SRS4274875 R1 R1 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX5274647 R0 SRP181066 bp0 Operational taxonomic units (OTUs) were clustered with 97% similarity cutoff using UPARSE and chimeric sequences were identified and removed using UCHIME SRS4274876 R0 R0 AMPLICON METAGENOMIC PCR Illumina MiSeq