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. 2018 Dec 18;9:3118. doi: 10.3389/fmicb.2018.03118

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Copyright © 2018 Contreras, Vargas, Jiménez, Muñoz-Villagrán, Figueroa, Vásquez and Arenas.

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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Au and Te content in E. cloacae MF01 exposed to the indicated toxicants under aerobic and anaerobic growth conditions. Au and Te content was determined in the extracellular (EF), membrane (MF) and intracellular fractions (IF) of bacteria exposed to HAuCl₄ (A) or K₂TeO₃ (B) for 15 min in aerobic (white bars) or anaerobic (gray bars) conditions. Toxic concentrations were as indicated in the legend to Figure 2. Au and Te content are expressed as % of the initial treatment concentration. Bars represent the average of three independent tests ± SD. ^∗∗p < 0.0029; ^∗∗∗∗p < 0.0001; ns, not significant.