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. 2021 Nov 1;206:117720. doi: 10.1016/j.watres.2021.117720

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© 2021 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig 2 — Anthropogenic class 1 integron structure with and without the variable gene cassette insertion region (top and bottom, respectively). The green, blue, and yellow boxes show the target sites of the respective primers: - target for the class 1 integron (clintI1, Barraud et al., 2010): - new target for the empty-class 1 integron structure (eaint1; this study); and - new target location for the clinical class 1 integron at the attc/qacΔE1 interface (aint1; this study).

Inline graphic — Anthropogenic class 1 integron structure with and without the variable gene cassette insertion region (top and bottom, respectively). The green, blue, and yellow boxes show the target sites of the respective primers: - target for the class 1 integron (clintI1, Barraud et al., 2010): - new target for the empty-class 1 integron structure (eaint1; this study); and - new target location for the clinical class 1 integron at the attc/qacΔE1 interface (aint1; this study).