Supplementary Table 1. Results of seven qPCR reactions targeting the plasmids from batch No. 2 with all 13 plasmids for bacterial diarrhea-causing virulence genes as templates at a concentration of 1.5×109 copies/reaction. Bold red italicized type indicates confirmed contamination by Sanger sequencing of the PCR products and subsequent BLAST searches.

This work was supported by “Hundred Talents Program” of Chinese Academy of Sciences (Grant No. Y421021102, Grant No. Y521051102), Key Technologies R&D Program for Social Development of Jiangsu Province (Grant No. BE2016685), Suzhou Leading Talent Project (Grant No. ZXL2014128) and New Medical Devices and Pharmaceuticals Fund of Suzhou (Grant No. ZXY201430). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed. No writing assistance was utilized in the production of this manuscript.