{"refrec":{"BRefID":301248,"RR":"<b>Delshad, S.T.; Soltanian, S.; Sharifiyazdi, H.; Haghkhah, M.; Bossier, P.</b> (2018). Identification of <i>N</i>-acyl homoserine lactone-degrading bacteria isolated from rainbow trout (<i>Oncorhynchus mykiss</i>). <i>J. Appl. Microbiol. 125(2)</i>: 356-369. <a href=\"https://dx.doi.org/10.1111/jam.13891\" target=\"_blank\">https://dx.doi.org/10.1111/jam.13891</a>","BEntID":293487,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Appl. Microbiol. 125(2)</i>: 356-369. <a href=\"https://dx.doi.org/10.1111/jam.13891\" target=\"_blank\">https://dx.doi.org/10.1111/jam.13891</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Delshad, S.T.; Soltanian, S.; Sharifiyazdi, H.; Haghkhah, M.; Bossier, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Delshad, S.T. <i>et al.</i>","Englishabstract":"Aims</h3>                        <p>A variety of pathogens use quorum sensing (QS) to control the expression of their virulence factors. QS interference has hence been proposed as a promising antivirulence strategy. The specific aim of this study was to isolate bacteria from trout tissue able to degrade <i>N</i>‐acyl homoserine lactones (AHL), a QS molecule family.            </p>                     </div>                  <div class=\"article-section__content\" id=\"jam13891-sec-0002\">                        <h3 class=\"article-section__sub-title section1\"> Methods and Results</h3>                        <p>In total 132 isolates were screened for AHL degradation using <i>Chromobacterium violaceum </i>CV026 as a biosensor. Twenty‐four quorum‐quenching (QQ) isolates were identified biochemically and characterized using 16S rDNA sequencing. They belong to <i>Bacillus</i>,<i> Enterobacter</i>,<i> Citrobacter</i>,<i> Acinetobacter</i>,<i> Agrobacterium</i>,<i> Pseudomonas</i> and <i>Stentrophomonas</i> genera. Four <i>Bacillus</i> spp. showed the highest and fastest QQ activity. AHL degradation proved to be enzymatic in most isolates (except for <i>Stentrophomonas</i> spp. and <i>Pseudomonas</i> sp.) as QQ activity could be destroyed by heat and/or proteinase K treatments. All QQ activity proved to be cell‐bound except for <i>Pseudomonas</i> sp., where it could be detected in the supernatant. The results of <i>aiiA</i> gene homology analysis revealed the presence of <i>aiiA</i> gene encoding AHL lactonase in all examined isolates except <i>Pseudomonas syringae</i> and <i>Enterobacter cloacae</i>. The HXHXDH motif conserved in all AHL lactonases and considered to be essential for AHL degradation was detected in all AiiAs after sequence alignment.            </p>                     </div>                  <div class=\"article-section__content\" id=\"jam13891-sec-0003\">                        <h3 class=\"article-section__sub-title section1\"> Conclusions</h3>                        <p>Some known and novel QQ bacteria were isolated from trouts and characterized in terms of enzymatic or nonenzymatic AHL degradation activity and their extracellular or intracellular location. In addition, an <i>aiiA</i> gene and its HXHXDH motif were detected in most isolates.            </p>                     </div>                  <div class=\"article-section__content\" id=\"jam13891-sec-0004\">                        <h3 class=\"article-section__sub-title section1\"> Significance and Impact of the Study</h3>                        <p>We could isolate and identify some novel QQ bacteria including <i>Enterobacter hormaechei</i>,<i> Acinetobacter radioresistens</i> and <i>Citrobacter gillenii</i>. The <i>aiiA</i> gene was detected for the first time in these strains as well as in <i>Stenotrophomonas maltophilia</i>. Our QQ isolates could be used for biocontrol of bacterial infections in aquaculture.            </p>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Identification of <i>N</i>-acyl homoserine lactone-degrading bacteria isolated from rainbow trout (<i>Oncorhynchus mykiss</i>)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-19 01:31:56.437888","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"aquaculture; biocontrol; degradation; identification; quorum sensing","OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2019-07-09","DateCreate":"2018-09-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000438344800005","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/jam.13891"},"refs":null,"anarec":{"AnaID":301248,"PubliDate":2018,"Pagination":"356-369","XtraPublOfAnaID":null,"ISBN":null,"Volume":"125","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45067,"SerRR":"Journal of Applied Microbiology. 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