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Conference Paper: A comparison of growth biomarkers for assessing sublethal effects of cadmium on a marine gastropod, Nassarius festivus

TitleA comparison of growth biomarkers for assessing sublethal effects of cadmium on a marine gastropod, Nassarius festivus
Authors
KeywordsNassarius Festivus
Rna/Dna Ratio
Scope For Growth
Shell Length
Wet Weight
Issue Date1999
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/marpolbul
Citation
Marine Pollution Bulletin, 1999, v. 39 n. 1-12, p. 165-173 How to Cite?
AbstractThe effect of cadmium on the growth of an intertidal marine gastropod, Nassarius festivus, was investigated using a number of biomarkers namely conventional measurements in terms of increase in shell length or body weight, scope for growth (SfG) and RNA/DNA ratio. After eight days of cadmium exposure, the no observable effect concentration (NOEC) and lowest observable effect concentration (LOEC) for the rate of increase in wet weight were 1.00 and 1.38 mg/l, respectively, while those for shell length did not show any significant difference from the control until day 16. After 16 days of cadmium exposure, the LOEC for both shell length and wet weight measurements was 0.22 mg/l. The 8-day SfG test was sensitive to cadmium stress, showing a significant decrease at 0.16 mg/l cadmium when compared to the control. The NOEC and LOEC of RNA/DNA ratio determination were 0.52 and 0.93 mg/l, respectively. An assessment based on sensitivity and technical complexity suggests that Scope for Growth is the most sensitive growth biomarker, followed by the RNA/DNA ratio, and then the conventional growth measurement based on shell size and body weight. Copyright (C) 1999 Elsevier Science Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/179579
ISSN
2015 Impact Factor: 3.099
2015 SCImago Journal Rankings: 1.264
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWo, KTen_US
dc.contributor.authorLam, PKSen_US
dc.contributor.authorWu, RSSen_US
dc.date.accessioned2012-12-19T09:59:58Z-
dc.date.available2012-12-19T09:59:58Z-
dc.date.issued1999en_US
dc.identifier.citationMarine Pollution Bulletin, 1999, v. 39 n. 1-12, p. 165-173en_US
dc.identifier.issn0025-326Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/179579-
dc.description.abstractThe effect of cadmium on the growth of an intertidal marine gastropod, Nassarius festivus, was investigated using a number of biomarkers namely conventional measurements in terms of increase in shell length or body weight, scope for growth (SfG) and RNA/DNA ratio. After eight days of cadmium exposure, the no observable effect concentration (NOEC) and lowest observable effect concentration (LOEC) for the rate of increase in wet weight were 1.00 and 1.38 mg/l, respectively, while those for shell length did not show any significant difference from the control until day 16. After 16 days of cadmium exposure, the LOEC for both shell length and wet weight measurements was 0.22 mg/l. The 8-day SfG test was sensitive to cadmium stress, showing a significant decrease at 0.16 mg/l cadmium when compared to the control. The NOEC and LOEC of RNA/DNA ratio determination were 0.52 and 0.93 mg/l, respectively. An assessment based on sensitivity and technical complexity suggests that Scope for Growth is the most sensitive growth biomarker, followed by the RNA/DNA ratio, and then the conventional growth measurement based on shell size and body weight. Copyright (C) 1999 Elsevier Science Ltd.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/marpolbulen_US
dc.relation.ispartofMarine Pollution Bulletinen_US
dc.subjectNassarius Festivusen_US
dc.subjectRna/Dna Ratioen_US
dc.subjectScope For Growthen_US
dc.subjectShell Lengthen_US
dc.subjectWet Weighten_US
dc.titleA comparison of growth biomarkers for assessing sublethal effects of cadmium on a marine gastropod, Nassarius festivusen_US
dc.typeConference_Paperen_US
dc.identifier.emailWu, RSS: rudolfwu@hku.hken_US
dc.identifier.authorityWu, RSS=rp01398en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0025-326X(98)00209-4en_US
dc.identifier.scopuseid_2-s2.0-0032819995en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0032819995&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume39en_US
dc.identifier.issue1-12en_US
dc.identifier.spage165en_US
dc.identifier.epage173en_US
dc.identifier.isiWOS:000083356500023-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridWo, KT=35123128100en_US
dc.identifier.scopusauthoridLam, PKS=7202365776en_US
dc.identifier.scopusauthoridWu, RSS=7402945079en_US

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