SRR836128 Microbial communities in a photoreactor 454_1 SRX272782 Microbial communities in a photoreactor 454 SRR836130 Microbial communities in a photoreactor 454_2 SRX272782 Microbial communities in a photoreactor 454 SRR845265 Microbial communities in a photoreactor Illumina_Illumina SRX272783 Microbial communities in a photoreactor Illumina loader latf-load