{"refrec":{"BRefID":226635,"RR":"<b>Ravaux, J.; Hamel, G.; Zbinden, M.; Tasiemski, A.A.; Boutet, I.; Léger, N.; Tanguy, A.; Jollivet, D.; Shillito, B.</b> (2013). Thermal limit for metazoan life in question: In vivo heat tolerance of the Pompeii worm. <i>PLoS One 8(5)</i>: 6 pp. <a href=\"http://dx.doi.org/10.1371/journal.pone.0064074\" target=\"_blank\">http://dx.doi.org/10.1371/journal.pone.0064074</a>","BEntID":218352,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>PLoS One 8(5)</i>: 6 pp. <a href=\"http://dx.doi.org/10.1371/journal.pone.0064074\" target=\"_blank\">http://dx.doi.org/10.1371/journal.pone.0064074</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Ravaux, J.; Hamel, G.; Zbinden, M.; Tasiemski, A.A.; Boutet, I.; Léger, N.; Tanguy, A.; Jollivet, D.; Shillito, B.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Ravaux, J. <i>et al.</i>","Englishabstract":"The thermal limit for metazoan life, expected to be around 50°C, has been debated since the discovery of the Pompeii worm Alvinella pompejana, which colonizes black smoker chimney walls at deep-sea vents. While indirect evidence predicts body temperatures lower than 50°C, repeated in situ temperature measurements depict an animal thriving at temperatures of 60°C and more. This controversy was to remain as long as this species escaped in vivo investigations, due to irremediable mortalities upon non-isobaric sampling. Here we report from the first heat-exposure experiments with live A. pompejana, following isobaric sampling and subsequent transfer in a laboratory pressurized aquarium. A prolonged (2 hours) exposure in the 50–55°C range was lethal, inducing severe tissue damages, cell mortalities and triggering a heat stress response, therefore showing that Alvinella’s upper thermal limit clearly is below 55°C. A comparison with hsp70 stress gene expressions of individuals analysed directly after sampling in situ confirms that Alvinella pompejana does not experience long-term exposures to temperature above 50°C in its natural environment. The thermal optimum is nevertheless beyond 42°C, which confirms that the Pompeii worm ranks among the most thermotolerant metazoans.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Thermal limit for metazoan life in question: In vivo heat tolerance of the Pompeii worm","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":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2013,"MonPub":null,"DateUpdate":"2018-02-13","DateCreate":"2013-06-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000319725500083","VABBcode":null,"OpenAcc":1,"DOI":"10.1371/journal.pone.0064074"},"refs":null,"anarec":{"AnaID":226635,"PubliDate":2013,"Pagination":"6 pp","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":123954,"SerRR":"PLoS One. 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