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. 2016 Jun 2;4:22. doi: 10.1186/s40168-016-0167-0

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© Mayer et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Dominant microbial population and microbial succession patterns observed in 30-day occupation period of the ILMAH system. The OTU abundance that are >0.75 % of the total microbial population are computed in this bar graph. Day 0 surfaces show completely different microbial profile when compared to the subsequent sampling days of the crew occupation