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Article: Relationship between cyprid energy reserves and metamorphosis in the barnacle Balanus amphitrite Darwin (Cirripedia; Thoracica)

TitleRelationship between cyprid energy reserves and metamorphosis in the barnacle Balanus amphitrite Darwin (Cirripedia; Thoracica)
Authors
KeywordsBarnacle
Cyprid
Energy Reserves
Metamorphosis
Settlement Factor
Tag/Dna Ratio
Issue Date2002
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jembe
Citation
Journal Of Experimental Marine Biology And Ecology, 2002, v. 280 n. 1-2, p. 79-93 How to Cite?
AbstractNauplii batch cultures of Balanus amphitrite were reared with four different diatoms (Skeletonema costatum, Thalassiosira pseudonana, Chaetoceros gracilis, silicate-limited C. gracilis) at three different cells concentrations: 1 × 105, 5 × 105, and 1 × 106 cells ml- 1. The cyprid energy reserves were quantified as the ratio of triacylglycerols (TAG) to DNA. Energy reserves of larvae fed on different diatoms at a concentration of 1 × 106 cells ml- 1 were ranked in the order: silicate-limited C. gracilis>C. gracilis>T. pseudonana>S. costatum. There was a significant linear relationship between the TAG content of the diet and cyprid energy reserves. The effect of cyprid energy reserves on metamorphosis to polystyrene surface in the presence and the absence of conspecific settlement factor (SF) was studied after 12, 24, and 48 h of incubation. A strong positive correlation between energy reserves and percent metamorphosis was observed in the absence of SF (r12 h = 0.88, r24 h = 0.82, r48 h = 0.68, P<0.05). A weak positive correlation was observed in the presence of SF (r12 h = 0.43, r24 h = 0.48, r48 h = 0.50, P<0.05). In both treatments, more than 80% of the cyprids with high energy reserves metamorphosed within 24 h. In contrast, a high proportion of cyprids with low energy reserves metamorphosed in response to SF in 24 h. Our results indicate that discriminatory metamorphic behavior of cyprids is closely linked to their TAG/DNA ratio, a proxy for energy reserve. © 2002 Elsevier Science B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/178783
ISSN
2015 Impact Factor: 1.796
2015 SCImago Journal Rankings: 1.029
References

 

DC FieldValueLanguage
dc.contributor.authorThiyagarajan, Ven_US
dc.contributor.authorHarder, Ten_US
dc.contributor.authorQian, PYen_US
dc.date.accessioned2012-12-19T09:49:43Z-
dc.date.available2012-12-19T09:49:43Z-
dc.date.issued2002en_US
dc.identifier.citationJournal Of Experimental Marine Biology And Ecology, 2002, v. 280 n. 1-2, p. 79-93en_US
dc.identifier.issn0022-0981en_US
dc.identifier.urihttp://hdl.handle.net/10722/178783-
dc.description.abstractNauplii batch cultures of Balanus amphitrite were reared with four different diatoms (Skeletonema costatum, Thalassiosira pseudonana, Chaetoceros gracilis, silicate-limited C. gracilis) at three different cells concentrations: 1 × 105, 5 × 105, and 1 × 106 cells ml- 1. The cyprid energy reserves were quantified as the ratio of triacylglycerols (TAG) to DNA. Energy reserves of larvae fed on different diatoms at a concentration of 1 × 106 cells ml- 1 were ranked in the order: silicate-limited C. gracilis>C. gracilis>T. pseudonana>S. costatum. There was a significant linear relationship between the TAG content of the diet and cyprid energy reserves. The effect of cyprid energy reserves on metamorphosis to polystyrene surface in the presence and the absence of conspecific settlement factor (SF) was studied after 12, 24, and 48 h of incubation. A strong positive correlation between energy reserves and percent metamorphosis was observed in the absence of SF (r12 h = 0.88, r24 h = 0.82, r48 h = 0.68, P<0.05). A weak positive correlation was observed in the presence of SF (r12 h = 0.43, r24 h = 0.48, r48 h = 0.50, P<0.05). In both treatments, more than 80% of the cyprids with high energy reserves metamorphosed within 24 h. In contrast, a high proportion of cyprids with low energy reserves metamorphosed in response to SF in 24 h. Our results indicate that discriminatory metamorphic behavior of cyprids is closely linked to their TAG/DNA ratio, a proxy for energy reserve. © 2002 Elsevier Science B.V. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jembeen_US
dc.relation.ispartofJournal of Experimental Marine Biology and Ecologyen_US
dc.subjectBarnacleen_US
dc.subjectCypriden_US
dc.subjectEnergy Reservesen_US
dc.subjectMetamorphosisen_US
dc.subjectSettlement Factoren_US
dc.subjectTag/Dna Ratioen_US
dc.titleRelationship between cyprid energy reserves and metamorphosis in the barnacle Balanus amphitrite Darwin (Cirripedia; Thoracica)en_US
dc.typeArticleen_US
dc.identifier.emailThiyagarajan, V: rajan@hkucc.hku.hken_US
dc.identifier.authorityThiyagarajan, V=rp00796en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0022-0981(02)00415-Xen_US
dc.identifier.scopuseid_2-s2.0-0037145850en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037145850&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume280en_US
dc.identifier.issue1-2en_US
dc.identifier.spage79en_US
dc.identifier.epage93en_US
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridThiyagarajan, V=6602476830en_US
dc.identifier.scopusauthoridHarder, T=7102369515en_US
dc.identifier.scopusauthoridQian, PY=35240648600en_US

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