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Article: Seasonality of bioaccumulation of trace organics and lysosomal integrity in green-lipped mussel Perna viridis
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TitleSeasonality of bioaccumulation of trace organics and lysosomal integrity in green-lipped mussel Perna viridis
 
AuthorsFang, JKH1
Wu, RSS1
Zheng, GJ1
Lam, PKS1
Shin, PKS1
 
KeywordsNeutral Red retention time
PAHs
PCBs
Seasonal variation
Trace organic pollutants
 
Issue Date2010
 
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv
 
CitationScience Of The Total Environment, 2010, v. 408 n. 6, p. 1458-1465 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.scitotenv.2009.12.044
 
AbstractLysosomal integrity in mussels is widely used as a biomarker in coastal environments to demonstrate exposure to trace organic pollutants. However, few studies have determined the long-term influences of seasonal variations on the bioaccumulation of trace organics and subsequently altered response of lysosomal integrity in mussels. This study aimed to test three null hypotheses that (1) bioaccumulations of total polycyclic aromatic hydrocarbon (∑ PAH) and (2) total polychlorinated biphenyl (∑ PCB), and (3) lysosomal integrity as indicated by Neutral Red retention time (NRRT) in haemocytes, in the green-lipped mussel Perna viridis were not seasonally dependent. The tissue concentrations of ∑ PAH and ∑ PCB and haemocytic NRRT were determined in P. viridis in a metropolitan harbour, subtropical Hong Kong during the wet and dry seasons from 2004 to 2007. Additional information on temperature, salinity, dissolved oxygen and total ammonia nitrogen in seawater, and sediment levels of ∑ PAH and ∑ PCB, were extracted from published data and re-analyzed. Our results accepted all null hypotheses, based on the minimal seasonal influences of seawater temperature and salinity on all studied parameters, in which no significant differences between the wet and dry seasons were detected. The seasonal effect was likely outweighed by the greatly improved water quality and pollution abatement noted inside the harbour, with a gradual shift in mussel PAHs from a pyrolytic origin to a petrogenic origin. Spatially, the site east of the harbour was relatively unpolluted. The single use of NRRT in P. viridis explained 25% of the total variation of the integrated pollution patterns in seawater, sediments and mussels. The present study suggested that the dynamic change of trace organics could be reflected by the response on lysosomal integrity in P. viridis, which was recommended as a routine screening biomarker in monitoring of harbour water quality across seasons. © 2009 Elsevier B.V. All rights reserved.
 
ISSN0048-9697
2012 Impact Factor: 3.258
2012 SCImago Journal Rankings: 1.505
 
DOIhttp://dx.doi.org/10.1016/j.scitotenv.2009.12.044
 
ISI Accession Number IDWOS:000274948000026
Funding AgencyGrant Number
Area of Excellence SchemeAoE/P-04/2004
Funding Information:

This study was fully supported by the Area of Excellence Scheme under the University Grants Committee of the Hong Kong Special Administration Region, China (Project no. AoE/P-04/2004). We thank the Hong Kong Environmental Protection Department for providing the water quality monitoring data for this study.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorFang, JKH
 
dc.contributor.authorWu, RSS
 
dc.contributor.authorZheng, GJ
 
dc.contributor.authorLam, PKS
 
dc.contributor.authorShin, PKS
 
dc.date.accessioned2010-10-15T03:20:43Z
 
dc.date.available2010-10-15T03:20:43Z
 
dc.date.issued2010
 
dc.description.abstractLysosomal integrity in mussels is widely used as a biomarker in coastal environments to demonstrate exposure to trace organic pollutants. However, few studies have determined the long-term influences of seasonal variations on the bioaccumulation of trace organics and subsequently altered response of lysosomal integrity in mussels. This study aimed to test three null hypotheses that (1) bioaccumulations of total polycyclic aromatic hydrocarbon (∑ PAH) and (2) total polychlorinated biphenyl (∑ PCB), and (3) lysosomal integrity as indicated by Neutral Red retention time (NRRT) in haemocytes, in the green-lipped mussel Perna viridis were not seasonally dependent. The tissue concentrations of ∑ PAH and ∑ PCB and haemocytic NRRT were determined in P. viridis in a metropolitan harbour, subtropical Hong Kong during the wet and dry seasons from 2004 to 2007. Additional information on temperature, salinity, dissolved oxygen and total ammonia nitrogen in seawater, and sediment levels of ∑ PAH and ∑ PCB, were extracted from published data and re-analyzed. Our results accepted all null hypotheses, based on the minimal seasonal influences of seawater temperature and salinity on all studied parameters, in which no significant differences between the wet and dry seasons were detected. The seasonal effect was likely outweighed by the greatly improved water quality and pollution abatement noted inside the harbour, with a gradual shift in mussel PAHs from a pyrolytic origin to a petrogenic origin. Spatially, the site east of the harbour was relatively unpolluted. The single use of NRRT in P. viridis explained 25% of the total variation of the integrated pollution patterns in seawater, sediments and mussels. The present study suggested that the dynamic change of trace organics could be reflected by the response on lysosomal integrity in P. viridis, which was recommended as a routine screening biomarker in monitoring of harbour water quality across seasons. © 2009 Elsevier B.V. All rights reserved.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationScience Of The Total Environment, 2010, v. 408 n. 6, p. 1458-1465 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.scitotenv.2009.12.044
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.scitotenv.2009.12.044
 
dc.identifier.epage1465
 
dc.identifier.hkuros172464
 
dc.identifier.hkuros192061
 
dc.identifier.isiWOS:000274948000026
Funding AgencyGrant Number
Area of Excellence SchemeAoE/P-04/2004
Funding Information:

This study was fully supported by the Area of Excellence Scheme under the University Grants Committee of the Hong Kong Special Administration Region, China (Project no. AoE/P-04/2004). We thank the Hong Kong Environmental Protection Department for providing the water quality monitoring data for this study.

 
dc.identifier.issn0048-9697
2012 Impact Factor: 3.258
2012 SCImago Journal Rankings: 1.505
 
dc.identifier.issue6
 
dc.identifier.openurl
 
dc.identifier.pmid20074777
 
dc.identifier.scopuseid_2-s2.0-74449087183
 
dc.identifier.spage1458
 
dc.identifier.urihttp://hdl.handle.net/10722/123982
 
dc.identifier.volume408
 
dc.languageeng
 
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv
 
dc.publisher.placeNetherlands
 
dc.relation.ispartofScience of the Total Environment
 
dc.relation.referencesReferences in Scopus
 
dc.rightsScience of the Total Environment. Copyright © Elsevier BV.
 
dc.subject.meshLysosomes - metabolism
 
dc.subject.meshPerna - metabolism
 
dc.subject.meshPolychlorinated Biphenyls - analysis - metabolism
 
dc.subject.meshPolycyclic Hydrocarbons, Aromatic - analysis - metabolism
 
dc.subject.meshWater Pollutants, Chemical - analysis - metabolism
 
dc.subjectNeutral Red retention time
 
dc.subjectPAHs
 
dc.subjectPCBs
 
dc.subjectSeasonal variation
 
dc.subjectTrace organic pollutants
 
dc.titleSeasonality of bioaccumulation of trace organics and lysosomal integrity in green-lipped mussel Perna viridis
 
dc.typeArticle
 
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Author Affiliations
  1. City University of Hong Kong