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. 2018 Jan 25;8:1584. doi: 10.1038/s41598-018-20044-6

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Neighbor-joining phylogenetic tree and community distributions of AOB amoA gene sequences from the Yellow River estuary. Bootstrap values greater than 50% of 1,000 replicates are shown, and the scale bar represents 5% sequence divergence. Values of each OTU relative proportion are color coded in the corresponding heat map legends.