Abstract：
:Multi-drug resistance and transfer of mobile genetic elements among enteric pathogens is being reported to have increased rapidly. Commensal Escherichia coli was previously known to acquire mobile genetic elements from other genus/species. E. coli is also capable of disseminating these elements containing antimicrobial resistance determinants through horizontal transfer. Similarly, for Shigellae the antimicrobial resistance are on rise for fluoroquinolones and cephalosporins due to accumulation of mobile elements. Thus the study was hypothesized to investigate the role of transferable plasmids in commensal MDR E. coli vs Salmonella spp, and MDR Shigella flexneri vs Salmonella spp. pKP3-A plasmid containing qnrS1 was successfully transferred from E. coli to Salmonella spp. Similarly, a plasmid containing qnrS1 and blaCTX-M-15 was transferred from Shigella to Salmonella spp. However, blaCTX-M-15 was not transferred from E. coli as it was integrated into chromosome that was revealed by next-generation sequencing. This might be a reason that fluoroquinolone-resistant determinants are more frequently transferred than the cephalosporin resistant determinants. Findings from the study emphasize that mobile elements with AMR determinants are significant public health concern that has potential to rapidly disseminate.
journal_name
Curr Microbioljournal_title
Current microbiologyauthors
Devanga Ragupathi NK,Muthuirulandi Sethuvel DP,Gajendran R,Anandan S,Walia K,Veeraraghavan Bdoi
10.1007/s00284-019-01676-xsubject
Has Abstractpub_date
2019-06-01 00:00:00pages
666-672issue
6eissn
0343-8651issn
1432-0991pii
10.1007/s00284-019-01676-xjournal_volume
76pub_type
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