{"refrec":{"BRefID":30180,"RR":"<b>Mallefet, J.; Baguet, F.</b> (1991). Metabolic control of <i>Argyropelecus hemigymnus</i> photophores: effects of glucose and pyruvate. <i>Can. J. Zool. 69(9)</i>: 2410-2413. <a href=\"https://dx.doi.org/10.1139/z91-338\" target=\"_blank\">https://dx.doi.org/10.1139/z91-338</a>","BEntID":30180,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Can. J. Zool. 69(9)</i>: 2410-2413. <a href=\"https://dx.doi.org/10.1139/z91-338\" target=\"_blank\">https://dx.doi.org/10.1139/z91-338</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Mallefet, J.; Baguet, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Mallefet, J.; Baguet, F.","Englishabstract":"Modifications in oxygen consumption and luminescence of isolated luminescent organs of the mesopelagic fish <i>Argyropelecus hemigymnus</i> following glucose and pyruvate administration were studied before and during light emission triggered by adrenaline. Isolated photophores (mean fresh weight 13.5 +/- 0.9 mg) at rest, i.e., in the absence of light emission, in saline (20 °C) exhibit a respiration rate of 1.045 +/- 0.082 (SE) nmol O<sub>2</sub>/min (n = 35). A significant decrease (p = 0.05) in oxygen consumption was observed after the addition of 5.5 mM glucose. Instead of the oxygen decrease usually observed as a result of control stimulations using adrenaline, photophores pretreated with glucose increased their oxygen uptake in response to adrenaline, and maximal light emission was reduced by 85 % (p = 0.01). The addition of 5.5 mM pyruvate induced a significant transient increase (p = 0.05) in oxygen uptake of isolated photophores, though this treatment did not statistically modify the mean time course of oxygen consumption and light emission in response to adrenaline. The hypothesis of a hypometabolic state of the isolated photophores of <i>A. hemigymnus</i> during light emission is discussed.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Metabolic control of <i>Argyropelecus hemigymnus</i> photophores: effects of glucose and pyruvate","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-19 01:31:13.309046","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1991,"MonPub":null,"DateUpdate":"2002-12-19","DateCreate":"2002-12-16","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1991GX85300019","VABBcode":null,"OpenAcc":0,"DOI":"10.1139/z91-338"},"refs":null,"anarec":{"AnaID":30180,"PubliDate":1991,"Pagination":"2410-2413","XtraPublOfAnaID":null,"ISBN":null,"Volume":"69","Issue":"9","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42541,"SerRR":"Canadian Journal of Zoology = Revue canadienne de zoologie. National Research Council: Ottawa.  ISSN 0008-4301; e-ISSN 1480-3283","StandardTitleSer":"Canadian Journal of Zoology = Revue canadienne de zoologie","ISSN":"0008-4301","AbbrevSer":"Can. J. Zool.","StandardTitleMon":null,"StartPage":2410,"Pages":4,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":null,"relationsRev":null,"addrec":{"Line1":"Pl. 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