{"refrec":{"BRefID":256688,"RR":"<b>Nguyen Thi Xuan, H.; Baruah, K.; Vanrompay, D.; Bossier, P.</b> (2016). Characterization of phenotype variations of luminescent and non-luminescent variants of <i>Vibrio harveyi</i> wild type and quorum sensing mutants. <i>J. Fish Dis. 39(3)</i>: 317-327. <a href=\"https://dx.doi.org/10.1111/jfd.12365\" target=\"_blank\">https://dx.doi.org/10.1111/jfd.12365</a>","BEntID":248697,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Fish Dis. 39(3)</i>: 317-327. <a href=\"https://dx.doi.org/10.1111/jfd.12365\" target=\"_blank\">https://dx.doi.org/10.1111/jfd.12365</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Nguyen Thi Xuan, H.; Baruah, K.; Vanrompay, D.; Bossier, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Nguyen Thi Xuan, H. <i>et al.</i>","Englishabstract":"<i>Vibrio harveyi,</i> a luminescent Gram-negative motile marine bacterium, is an important pathogen responsible for causing severe diseases in shrimp, finfish and molluscs leading to severe economic losses. Non-luminescent <i>V. harveyi</i> obtained by culturing luminescent strains under static and dark condition were reported to alter the levels of virulence factors and <i>metalloprotease</i> gene and <i>luxR</i> expression when compared to their luminescent variants. Presently, we conducted an <i>in vitro</i> study aiming at the characterization of virulence-related phenotypic traits of the wild-type <i>V. harveyi </i>BB120 strain and its isogenic quorum sensing mutants before and after switching to the non-luminescent status. We measured the production of caseinase, haemolysin and elastase and examined swimming motility and biofilm formation. Our results showed that switching from the bioluminescent to the non-luminescent state changed the phenotypic physiology or behaviour of <i>V. harveyi</i> resulting in alterations in caseinase and haemolytic activities, swimming motility and biofilm formation. The switching capacity was to a large extent independent from the quorum sensing status, in that quorum sensing mutants were equally capable of making the phenotypic switch.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Characterization of phenotype variations of luminescent and non-luminescent variants of <i>Vibrio harveyi</i> wild type and quorum sensing mutants","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-22 01:31:51.947571","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"luminescent; non-luminescent; phenotype switch; Vibrio harveyi;virulence factor","OtherDescriptors":null,"Notes":null,"AnaPub":2016,"MonPub":null,"DateUpdate":"2020-09-07","DateCreate":"2016-05-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000370064600007","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/jfd.12365"},"refs":null,"anarec":{"AnaID":256688,"PubliDate":2016,"Pagination":"317-327","XtraPublOfAnaID":null,"ISBN":null,"Volume":"39","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44476,"SerRR":"Journal of Fish Diseases. 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