Contribution of different mechanisms to aminoglycoside resistance in clinical isolates of Acinetobacter baumannii
The antibiotics overuse for infection treatment was the sparkle in the spreading of multi-drug resistance Acinetobacter baumannii in hospitals. In our study, we evaluated the contribution of the aminoglycoside resistance mechanisms of A. baumannii to the resistance surge in some selected Egyptian ho...
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| Veröffentlicht in: | Microbial pathogenesis 2023-09, Vol.182, p.106255-106255, Article 106255 |
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| creator | Saleh, Neveen M. Saad, Sarah I. El-Sayed, Mohamed El-Sayyad, Gharieb S. Abo Safe, Feriala A. |
| description | The antibiotics overuse for infection treatment was the sparkle in the spreading of multi-drug resistance Acinetobacter baumannii in hospitals. In our study, we evaluated the contribution of the aminoglycoside resistance mechanisms of A. baumannii to the resistance surge in some selected Egyptian hospitals with a checkerboard assay application to retrieve the aminoglycoside activity. The resistance profile analysis of collected 200 A. baumannii isolates revealed a multidrug-resistant pattern with limited susceptibilities to aminoglycosides. Analysis of the prevalence of aminoglycoside-modifying enzyme (AMEs) genes revealed the presence of the six AMEs genes either singly or in combination in selected isolates and aph (3)-VIa gene was the predominant one. At the same time, four efflux pump genes of AdeABC and AdeKJL family showed significant (P |
| doi_str_mv | 10.1016/j.micpath.2023.106255 |
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•Evaluated the contribution of the aminoglycoside resistance mechanisms of Acinetobacter baumannii to the resistance surge in some selected Egyptian hospitals.•The resistance profile analysis of collected 200 A. baumannii isolates revealed a multidrug-resistant pattern with limited susceptibilities to aminoglycosides.•Analysis of the prevalence of aminoglycoside-modifying enzyme (AMEs) genes revealed the presence of the six AMEs genes.•At the same time, four efflux pump genes of AdeABC and AdeKJL family showed significant up-regulation levels.•The present study provides useful information for the promising synergistic combination therapy that reduces the therapeutic dose of aminoglycosides used and subsequently increases their clinical application.</description><identifier>ISSN: 0882-4010</identifier><identifier>EISSN: 1096-1208</identifier><identifier>DOI: 10.1016/j.micpath.2023.106255</identifier><identifier>PMID: 37481006</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>A. baumannii ; Aminoglycoside resistance ; Aminoglycoside-modifying enzymes ; Efflux pump ; Phylogenetic tree ; Resistance mechanism</subject><ispartof>Microbial pathogenesis, 2023-09, Vol.182, p.106255-106255, Article 106255</ispartof><rights>2023</rights><rights>Copyright © 2023 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-eb7e184f57147e1cebfaeb0d9f1b01e348ea04750a74c822279a86be121e30bc3</citedby><cites>FETCH-LOGICAL-c365t-eb7e184f57147e1cebfaeb0d9f1b01e348ea04750a74c822279a86be121e30bc3</cites><orcidid>0000-0001-5410-7936 ; 0000-0001-7985-3644</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.micpath.2023.106255$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37481006$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Saleh, Neveen M.</creatorcontrib><creatorcontrib>Saad, Sarah I.</creatorcontrib><creatorcontrib>El-Sayed, Mohamed</creatorcontrib><creatorcontrib>El-Sayyad, Gharieb S.</creatorcontrib><creatorcontrib>Abo Safe, Feriala A.</creatorcontrib><title>Contribution of different mechanisms to aminoglycoside resistance in clinical isolates of Acinetobacter baumannii</title><title>Microbial pathogenesis</title><addtitle>Microb Pathog</addtitle><description>The antibiotics overuse for infection treatment was the sparkle in the spreading of multi-drug resistance Acinetobacter baumannii in hospitals. In our study, we evaluated the contribution of the aminoglycoside resistance mechanisms of A. baumannii to the resistance surge in some selected Egyptian hospitals with a checkerboard assay application to retrieve the aminoglycoside activity. The resistance profile analysis of collected 200 A. baumannii isolates revealed a multidrug-resistant pattern with limited susceptibilities to aminoglycosides. Analysis of the prevalence of aminoglycoside-modifying enzyme (AMEs) genes revealed the presence of the six AMEs genes either singly or in combination in selected isolates and aph (3)-VIa gene was the predominant one. At the same time, four efflux pump genes of AdeABC and AdeKJL family showed significant (P < 0.001) up-regulation levels. Moreover, the implementation of combination strategy showed fourteen synergistic activities against two high-level aminoglycoside-resistance (HLAR) A. baumannii isolates. The findings highlighted the alarming levels of aminoglycoside resistance in A. baumannii isolates, which proved that a common enzymatic modification mechanism acts synergistically with decreased antibiotic accumulation in acquiring aminoglycoside resistance. Additionally, the study provides useful information for the promising synergistic combination therapy that reduces the therapeutic dose of aminoglycosides used and subsequently increases their clinical application.
•Evaluated the contribution of the aminoglycoside resistance mechanisms of Acinetobacter baumannii to the resistance surge in some selected Egyptian hospitals.•The resistance profile analysis of collected 200 A. baumannii isolates revealed a multidrug-resistant pattern with limited susceptibilities to aminoglycosides.•Analysis of the prevalence of aminoglycoside-modifying enzyme (AMEs) genes revealed the presence of the six AMEs genes.•At the same time, four efflux pump genes of AdeABC and AdeKJL family showed significant up-regulation levels.•The present study provides useful information for the promising synergistic combination therapy that reduces the therapeutic dose of aminoglycosides used and subsequently increases their clinical application.</description><subject>A. baumannii</subject><subject>Aminoglycoside resistance</subject><subject>Aminoglycoside-modifying enzymes</subject><subject>Efflux pump</subject><subject>Phylogenetic tree</subject><subject>Resistance mechanism</subject><issn>0882-4010</issn><issn>1096-1208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNqFkE9r3DAQxUVpabZJP0KLjr14M5JlWz6FsPRPINBLcxaSPG5msaWNJAfy7etlN7n2NMPMe_OYH2NfBGwFiPZ6v53JH2x53EqQ9TprZdO8YxsBfVsJCfo924DWslIg4IJ9ynkPAL2q-4_sou6UFgDthj3tYiiJ3FIoBh5HPtA4YsJQ-Iz-0QbKc-YlcjtTiH-nFx8zDcgTZsrFBo-cAvcTBfJ24pTjZAvm46VbTwFLdNYXTNzZZbYhEF2xD6OdMn4-10v28OP7n92v6v73z7vd7X3l67YpFboOhVZj0wm1dh7daNHB0I_CgcBaabSgugZsp7yWUna91a1DIdclOF9fsm-nu4cUnxbMxcyUPU6TDRiXbKRWAqTSql-lzUnqU8w54WgOiWabXowAc6Rt9uZM2xxpmxPt1ff1HLG4GYc31yveVXBzEuD66DNhMtkTrtAGSuiLGSL9J-IfRYiV3A</recordid><startdate>20230901</startdate><enddate>20230901</enddate><creator>Saleh, Neveen M.</creator><creator>Saad, Sarah I.</creator><creator>El-Sayed, Mohamed</creator><creator>El-Sayyad, Gharieb S.</creator><creator>Abo Safe, Feriala A.</creator><general>Elsevier Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-5410-7936</orcidid><orcidid>https://orcid.org/0000-0001-7985-3644</orcidid></search><sort><creationdate>20230901</creationdate><title>Contribution of different mechanisms to aminoglycoside resistance in clinical isolates of Acinetobacter baumannii</title><author>Saleh, Neveen M. ; Saad, Sarah I. ; El-Sayed, Mohamed ; El-Sayyad, Gharieb S. ; Abo Safe, Feriala A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-eb7e184f57147e1cebfaeb0d9f1b01e348ea04750a74c822279a86be121e30bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>A. baumannii</topic><topic>Aminoglycoside resistance</topic><topic>Aminoglycoside-modifying enzymes</topic><topic>Efflux pump</topic><topic>Phylogenetic tree</topic><topic>Resistance mechanism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Saleh, Neveen M.</creatorcontrib><creatorcontrib>Saad, Sarah I.</creatorcontrib><creatorcontrib>El-Sayed, Mohamed</creatorcontrib><creatorcontrib>El-Sayyad, Gharieb S.</creatorcontrib><creatorcontrib>Abo Safe, Feriala A.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Microbial pathogenesis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Saleh, Neveen M.</au><au>Saad, Sarah I.</au><au>El-Sayed, Mohamed</au><au>El-Sayyad, Gharieb S.</au><au>Abo Safe, Feriala A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Contribution of different mechanisms to aminoglycoside resistance in clinical isolates of Acinetobacter baumannii</atitle><jtitle>Microbial pathogenesis</jtitle><addtitle>Microb Pathog</addtitle><date>2023-09-01</date><risdate>2023</risdate><volume>182</volume><spage>106255</spage><epage>106255</epage><pages>106255-106255</pages><artnum>106255</artnum><issn>0882-4010</issn><eissn>1096-1208</eissn><abstract>The antibiotics overuse for infection treatment was the sparkle in the spreading of multi-drug resistance Acinetobacter baumannii in hospitals. In our study, we evaluated the contribution of the aminoglycoside resistance mechanisms of A. baumannii to the resistance surge in some selected Egyptian hospitals with a checkerboard assay application to retrieve the aminoglycoside activity. The resistance profile analysis of collected 200 A. baumannii isolates revealed a multidrug-resistant pattern with limited susceptibilities to aminoglycosides. Analysis of the prevalence of aminoglycoside-modifying enzyme (AMEs) genes revealed the presence of the six AMEs genes either singly or in combination in selected isolates and aph (3)-VIa gene was the predominant one. At the same time, four efflux pump genes of AdeABC and AdeKJL family showed significant (P < 0.001) up-regulation levels. Moreover, the implementation of combination strategy showed fourteen synergistic activities against two high-level aminoglycoside-resistance (HLAR) A. baumannii isolates. The findings highlighted the alarming levels of aminoglycoside resistance in A. baumannii isolates, which proved that a common enzymatic modification mechanism acts synergistically with decreased antibiotic accumulation in acquiring aminoglycoside resistance. Additionally, the study provides useful information for the promising synergistic combination therapy that reduces the therapeutic dose of aminoglycosides used and subsequently increases their clinical application.
•Evaluated the contribution of the aminoglycoside resistance mechanisms of Acinetobacter baumannii to the resistance surge in some selected Egyptian hospitals.•The resistance profile analysis of collected 200 A. baumannii isolates revealed a multidrug-resistant pattern with limited susceptibilities to aminoglycosides.•Analysis of the prevalence of aminoglycoside-modifying enzyme (AMEs) genes revealed the presence of the six AMEs genes.•At the same time, four efflux pump genes of AdeABC and AdeKJL family showed significant up-regulation levels.•The present study provides useful information for the promising synergistic combination therapy that reduces the therapeutic dose of aminoglycosides used and subsequently increases their clinical application.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>37481006</pmid><doi>10.1016/j.micpath.2023.106255</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-5410-7936</orcidid><orcidid>https://orcid.org/0000-0001-7985-3644</orcidid></addata></record> |
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| subjects | A. baumannii Aminoglycoside resistance Aminoglycoside-modifying enzymes Efflux pump Phylogenetic tree Resistance mechanism |
| title | Contribution of different mechanisms to aminoglycoside resistance in clinical isolates of Acinetobacter baumannii |
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