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    Copper affects biofilm inductiveness to larval settlement of the serpulid polychaete Hydroides elegans (Haswell)

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    Type
    Article
    Authors
    Bao, Wei Yang
    Lee, On On
    Chung, Hong Chun
    Li, Mu
    Qian, Pei-Yuan cc
    Date
    2010-01
    Permanent link to this record
    http://hdl.handle.net/10754/600223
    
    Metadata
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    Abstract
    Copper (Cu) contamination is a potential threat to the marine environment due to the use of Cu-based antifouling paints. Cu stress on larval settlement of the polychaete Hydroides elegans was investigated, and this was linked to Cu stress on biofilms and on the biofilm development process. The inductiveness of young biofilms was more easily altered by Cu stress than that of old biofilms, indicating the relative vulnerability of young biofilms. This might result from changes in bacterial survival, the bacterial community composition and the chemical profiles of young biofilms. Cu also affected biofilm development and the chemical high performance liquid chromatograph fingerprint profile. The results indicate that Cu affected larval settlement mainly through its effect on the process of biofilm development in the marine environment, and the chemical profile was crucial to biofilm inductiveness. It is strongly recommended that the effects of environmentally toxic substances on biofilms are evaluated in ecotoxicity bioassays using larval settlement of invertebrates as the end point. © 2010 Taylor & Francis.
    Citation
    Bao W-Y, Lee O-O, Chung H-C, Li M, Qian P-Y (2010) Copper affects biofilm inductiveness to larval settlement of the serpulid polychaete Hydroides elegans (Haswell) . Biofouling 26: 119–128. Available: http://dx.doi.org/10.1080/08927010903329680.
    Sponsors
    The authors are grateful to the referees for their helpful comments on the manuscript. They also thank Dr SM Arellano for proof-reading the manuscript. This study was supported by an RGC grant ( 662207) and a KAUST Global Special Academic Partnership Program to PY Qian.
    Publisher
    Informa UK Limited
    Journal
    Biofouling
    DOI
    10.1080/08927010903329680
    PubMed ID
    20390562
    ae974a485f413a2113503eed53cd6c53
    10.1080/08927010903329680
    Scopus Count
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