{"refrec":{"BRefID":256153,"RR":"<b>Pochelon, P.N.; Queiroga, H.; Rotllant, G.; dos Santos, A.; Calado, R.</b> (2011). Effect of unfavorable trophic scenarios on amylase and protease activity of <i>Nephrops norvegicus</i> (L.) larvae during their first vertical migration: a laboratory approach. <i>Mar. Biol. (Berl.) 158(9)</i>: 2079-2085. <a href=\"http://dx.doi.org/10.1007/s00227-011-1715-6\" target=\"_blank\">http://dx.doi.org/10.1007/s00227-011-1715-6</a>","BEntID":248162,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biol. (Berl.) 158(9)</i>: 2079-2085. <a href=\"http://dx.doi.org/10.1007/s00227-011-1715-6\" target=\"_blank\">http://dx.doi.org/10.1007/s00227-011-1715-6</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Pochelon, P.N.; Queiroga, H.; Rotllant, G.; dos Santos, A.; Calado, R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Pochelon, P.N. <i>et al.</i>","Englishabstract":"In Portuguese waters, Nephrops norvegicus larvae hatch at 400–800 m depth and need to perform a vertical migration to food-rich shallower waters to find suitable prey. The effect of suboptimal feeding on digestive enzymes activity of N. norvegicus larvae during this early period of their larval life remains unknown. Protease and amylase activities were investigated ex situ using flurometry in laboratory-hatched larvae exposed to different feeding and/or starving scenarios in the 24 h following hatching, the period during which they typically accomplish their upward vertical migration. Amylase activity was very low in comparison with protease activity, indicating that carbohydrates are not a primary energy reserve. Larvae starved for 12 h and subsequently fed displayed no increase in amylase activity, which suggests that feeding may be required before 12 h post-hatch to trigger amylase activity. Protease activity was high under all feeding conditions, and the increase in protease activity under sustained starvation indicated the catabolism of protein reserves. The ability of first-stage N. norvegicus larvae to metabolize protein reserves may play a decisive role for their survival during their first vertical migration, as it enables them to overcome the deleterious effects of short-term starvation and/or suboptimal feeding.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Effect of unfavorable trophic scenarios on amylase and protease activity of <i>Nephrops norvegicus</i> (L.) larvae during their first vertical migration: a laboratory approach","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-07 01:32:23.434894","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2011,"MonPub":null,"DateUpdate":"2018-02-13","DateCreate":"2016-05-20","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000294230000012","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s00227-011-1715-6"},"refs":null,"anarec":{"AnaID":256153,"PubliDate":2011,"Pagination":"2079-2085","XtraPublOfAnaID":null,"ISBN":null,"Volume":"158","Issue":"9","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43352,"SerRR":"Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin.  ISSN 0025-3162; e-ISSN 1432-1793","StandardTitleSer":"Marine Biology: International Journal on Life in Oceans and Coastal Waters","ISSN":"0025-3162","AbbrevSer":"Mar. Biol. 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