{"refrec":{"BRefID":352999,"RR":"<b>Kaur-Kahlon, G.; Kumar, B.K.; Ruwandeepika, H.A.D.; Defoirdt, T.; Karunasagar, I.</b> (2021). Quorum sensing regulation of virulence gene expression in <i>Vibrio harveyi</i> during its interaction with marine diatom <i>Skeletonema marinoi</i>. <i>Journal of Pure and Applied Microbiology 15(4)</i>: 2507-2519. <a href=\"https://dx.doi.org/10.22207/JPAM.15.4.78\" target=\"_blank\">https://dx.doi.org/10.22207/JPAM.15.4.78</a>","BEntID":350708,"PublicFlag":1,"CheckedFlag":1,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>Journal of Pure and Applied Microbiology 15(4)</i>: 2507-2519. <a href=\"https://dx.doi.org/10.22207/JPAM.15.4.78\" target=\"_blank\">https://dx.doi.org/10.22207/JPAM.15.4.78</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kaur-Kahlon, G.; Kumar, B.K.; Ruwandeepika, H.A.D.; Defoirdt, T.; Karunasagar, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kaur-Kahlon, G. <i>et al.</i>","Englishabstract":"Communication between species from different kingdoms may be as important as intra-kingdom communication. It has recently been confirmed that co-existing bacteria and phytoplankton in aquatic ecosystems do cross-talk. This study examined the signs of possible cross signalling between <em>V. harveyi, </em>one of the predominant bacterial species of the marine ecosystem and a dominant diatom species, <em>S.marinoi,</em> to understand communication over species borders. It is known that <em>V.harveyi</em> employ quorum sensing for cell-to-cell communication, bioluminescence (<em>luxR</em>), and the regulation of the virulence gene (<em>vhp, chiA</em>). Former studies have also shown, this kind of interactions being disrupted by compounds secreted by a few algal species existing in the aquatic ecosystem. We investigated the QS communication by quantifying the expression levels of virulence regulator <em>luxR</em> and virulence factors metalloprotease (<em>vhp</em>) and chitinase (<em>chiA</em>) in four different <em>V. harveyi</em> strains grown in the presence of <em>S. marinoi </em>strain. Results obtained in this study indicate that quorum sensing was activated in strains of <em>V. harveyi</em> analysed but did not regulate the expressions of <em>vhp</em> and <em>chiA</em> virulence factors. This observation suggests that the existence of <em>S. marinoi</em> did not interfere with the QS behaviour of <em>V. harveyi</em> and its interaction with marine diatom; it may be due to the commensalism relationship.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Quorum sensing regulation of virulence gene expression in <i>Vibrio harveyi</i> during its interaction with marine diatom <i>Skeletonema marinoi</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Quorum sensing (QS), diatom-bacteria relationship, Skeletonema, harveyi clade vibrios, virulence gene expression","OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2022-06-28","DateCreate":"2022-06-23","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000729134500008","VABBcode":null,"OpenAcc":1,"DOI":"10.22207/JPAM.15.4.78"},"refs":null,"anarec":{"AnaID":352999,"PubliDate":2021,"Pagination":"2507-2519","XtraPublOfAnaID":null,"ISBN":null,"Volume":"15","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":273084,"SerRR":"Journal of Pure and Applied Microbiology: Bhopal.  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