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Table 2 Distribution of β-lactamase-encoding and tetM -encoding plasmids: Neisseria gonorrhoeae clinical isolates (n = 334)

From: Antimicrobial susceptibility of Neisseria gonorrhoeaeisolates from symptomatic men attending the Nanjing sexually transmitted diseases clinic (2011–2012): genetic characteristics of isolates with reduced sensitivity to ceftriaxone

Type of tetM -encoding plasmid Type of β-lactamase producing plasmid  
Asian/New Zealand African/Nîmes β-lactamase negative
Dutch 46 0 54
American 0 3 1
tetM negative 62 9 159