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. 2019 Jul 3;4(4):e00143-19. doi: 10.1128/mSphere.00143-19

FIG 4.

FIG 4

Presence/absence heat map of nitrifying microorganism amplicon sequence variants (ASVs). Samples are included as rows, and sample facilities are indicated. Columns represent unique ASVs (>95% nucleotide sequence identity) ordered by taxonomic affiliation as indicated. The presence of an ASV in a sample is indicated by a colored square. ASV designations are indicated along the x axis. Sequence alignments and phylogenies for Betaproteobacteria amoA, Nitrospira nxrB, and Nitrospira amoA ASVs can be found at https://doi.org/10.6084/m9.figshare.7777232.v1, https://doi.org/10.6084/m9.figshare.7777241.v2, and https://doi.org/10.6084/m9.figshare.7777247.v1.