Characterization of SXT/R391 integrative and conjugative elements in Proteus mirabilis isolates from food-producing animals in China
2016
SXT/R391 integrative and conjugative elements (ICEs) were detected in 8 out of 125 Proteus mirabilis isolates from food-producing animals in China. Whole-genome sequencing revealed that seven ICEs were identical to ICEPmiJpn1, carrying the cephalosporinase gene blaCMY-2. Another one, designated ICEPmiChn1, carried five resistance genes. All eight ICEs could be transferred to Escherichia coli via conjugation. The results highlight the idea that animal farms are important reservoir of the SXT/R391 ICE-containing P. mirabilis.
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