SRX10405927 PNSBR-1 SRP311624 bp0 sludge SRS8528295 PNSBR-1 PNSBR-1 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX10405928 PNSBR-63 SRP311624 bp0 sludge SRS8528294 PNSBR-63 PNSBR-63 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX10405929 PNSBR-194 SRP311624 bp0 sludge SRS8528305 PNSBR-194 PNSBR-194 AMPLICON METAGENOMIC PCR Illumina MiSeq