期刊
MARINE POLLUTION BULLETIN
卷 64, 期 9, 页码 1874-1879出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2012.06.012
关键词
Marine mussel; Heavy metal; Contamination; Metabolomics; NMR; Multivariate analysis
资金
- Korea Basic Science Institute [C32700]
- Graduate School of Analytical Science and Technology and Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [20100024645]
- National Research Council of Science & Technology (NST), Republic of Korea [C32700] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Marine mussels (Mytilus) are widely used as bioindicators to measure pollution in marine environments. In this study, H-1 NMR spectroscopy and multivariate statistical analyses were used to differentiate mussel groups from a heavy metal-polluted area (Onsan Bay) and a clean area (Dokdo area). Principal component analysis and orthogonal projection to latent structure-discriminant analysis revealed significant separation between extracts of mussels from Onsan Bay and from the Dokdo area. Organic osmolytes (betaine and taurine) and free amino acids (alanine, arginine, glutamine, phenylalanine, and threonine) were more highly accumulated in Onsan Bay mussels compared with Dokdo mussels. These results demonstrate that NMR-based metabolomics can be used as an efficient method for characterizing heavy metal contamination derived from polluted area compared to clean area and to identify metabolites related to environments that are contaminated with heavy metals. (c) 2012 Elsevier Ltd. All rights reserved.
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