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. 2018 Sep 11;9:2121. doi: 10.3389/fmicb.2018.02121

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Copyright © 2018 Semedo, Song, Sparrer and Phillips.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Difference in the nosZ-carrying microbial community composition between tetracycline and control samples for nosZ-I (A) and nosZ-II (B) bacteria. Each dot denotes a taxon that is either higher (log₂ fold change > 0) or lower (log₂ fold change < 0) in the tetracycline treated samples when compared to the control samples. Taxa are organized by family in decreasing order and colored by genus. Normalized abundances were obtained by metabolic inference of 16S rRNA gene sequences using PAPRICA and tested for significant effects (p < 0.05) of treatment by fitting the data into a generalized linear model (GLM) based on the negative binomial distribution. Taxa with significant difference between tetracycline and control samples are marked with ^∗ in the legend.