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. 2015 Sep 24;14:152. doi: 10.1186/s12934-015-0337-y

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© Zhang et al. 2015

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 — HPLC analysis of the mycelial extracts from the parental and mutant strains. a S. avermitilis NA-108; b S. avermitlis AVE-T27; c standard sample ivermectin B1a; d S. avermitilis AVE-H39. B1a avermectin B1a, B2a avermectin B2a, B1b avermectin B1b, B2b avermectin B2b, Ive B1a ivermectin B1a, 1 compound 1, 2 compound 2