SRX1303644 CM_A-W101_2-B2_shotgun SRP064432 PRJNA297682 Biofilm cultivated in situ on stream bed, cells collected on filter SRS1098214 SAMN04129534 CM_A-W101_2-B2_shotgun WGS METAGENOMIC size fractionation Illumina MiSeq SRX1303645 CM_B-W12_2-B2_shotgun SRP064432 PRJNA297682 Biofilm cultivated in situ on stream bed, cells collected on filter SRS1098439 SAMN04129535 CM_B-W12_2-B2_shotgun WGS METAGENOMIC size fractionation Illumina MiSeq SRX1303646 CM_PosCtrl-Spiked_shotgun_A SRP064432 PRJNA297682 Sterile water spiked with DNA from known bacteria SRS1098435 SAMN04129540 CM_PosCtrl-Spiked_shotgun_A WGS METAGENOMIC size fractionation Illumina MiSeq SRX1303647 CM_PosCtrl-Spiked_shotgun_B SRP064432 PRJNA297682 Sterile water spiked with DNA from known bacteria SRS1098435 SAMN04129540 CM_PosCtrl-Spiked_shotgun_B WGS METAGENOMIC size fractionation Illumina MiSeq