Isolation and Characterization of Lytic Bacteriophages Targeting Diverse Enterobacter spp. Clinical Isolates.

PHAGE (New Rochelle, N.Y.)(2022)

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摘要
spp. are opportunistic pathogens that cause nosocomial infections. Bacteriophages could be used to treat antibiotic-resistant infections. We used 10 genetically diverse clinical spp. isolates to identify lytic bacteriophages in hospital and municipal wastewater. Comparative genomics was performed on host bacterial isolates and isolated phages. Activity of each phage against all 10 host isolates was determined. We also tested phage activity against paired isolates from two patients who developed ceftazidime-avibactam resistance. Bacteria belonged to three species and We isolated 12 bacteriophages, most of which belonged to the and families. Most phages were able to lyse multiple bacterial isolates, and many lysed isolates of different species. Ceftazidime-avibactam-resistant isolates were still phage susceptible, and one isolate showed increased susceptibility compared with the parent isolate. The phages we isolated expand the diversity of targeting phages, and could be useful for treating antibiotic-resistant infections.
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关键词
Enterobacter spp,antibiotic resistance,bacteriophage,phage therapy
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