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. 2014 Sep 26;14:236. doi: 10.1186/s12866-014-0236-0

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© Britta et al.; licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Ultrathin sections of Leishmania amazonensis promastigotes without treatment that presented a normal ultrastructure (A) and promastigotes treated with BZTS at concentrations that corresponded to the IC ₅₀ (B-D) and IC ₉₀ (E, G). White arrows indicate swollen mitochondria. Black arrows represent lipid-storage bodies. White arrowheads indicate the presence of vesicles inside the flagellar pocket. The star indicates the presence of concentric membranous structures. n, nucleus; m, mitochondrion; k, kinetoplast; f, flagellum; fp, flagellar pocket. Scale bar = 1 μm.