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. 2019 May 8;9:142. doi: 10.3389/fcimb.2019.00142

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Copyright © 2019 Wang, Li, Ma, Tang, Tang, Hu and Liu.

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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Regulation of SmpB in virulence regulation. The virulence of A. veronii was affected by the expression of virulent proteins the ability of host colonization and the resistance to adversity. Type VI secretion system and pilus assembly were affected on the transcription and translation level by SmpB regulation directly. The sRNA AvrA functioned the stress resistance directly, which was mediated by SmpB indirectly. The arrows in blue showed the positive regulation, and the line in red showed repression. The symbol “+”, “–” indicated upregulation and downregulation, respectively.