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. 2017 Jan 17;7:2060. doi: 10.3389/fmicb.2016.02060

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Copyright © 2017 Wang, Xie, Zhu, Zhou and Lu.

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) or licensor 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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Genetic organization of clusters ndrA1A2A3 and ndrB1B2B3B4 in Sphingomonas melonis TY and amino acid sequence identity with related genes (A). Arrows indicate the size and direction of transcription of each gene. vppAs, nicotine hydroxylase, subunit S; vppA_L, nicotine hydroxylase, subunit L; ndhM, nicotine dehydrogenase, subunit M; ndhS, nicotine dehydrogenase, subunit S; ndhL, nicotine dehydrogenase, subunit L. TY, Sphingomonas melonis TY; SJY1, Ochrobactrum sp. SJY1; pAO1, A. nicotinovorans pAO1; JS614, Nocardioides sp. JS614; B4, Rhodococcus opacus B4. (B) Comparison of amino acid sequences; the percentage shows the amino acid identity.