PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34858374-4 2021 Interestingly, we found that the tet(X4)-bearing IncX1 plasmids encoding H-NS protein imposed low or no fitness cost in Escherichia coli and Klebsiella pneumoniae; instead, they partially promoted the virulence and biofilm formation in host bacteria. tetramethylenedisulfotetramine 33-36 H-NS Escherichia coli 73-77