Two Abundant Bioaccumulated Halogenated Compounds Are Natural Products

Methoxylated polybrominated diphenyl ethers (MeO-PBDEs) have been found bioaccumulated in the tissues of a variety of aquatic animals and at concentrations comparable to those of anthropogenic halogenated organic compounds, including polychlorinated biphenyls (PCBs). The origin of the MeO-PBDEs has...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2005-02, Vol.307 (5711), p.917-920
Hauptverfasser:	Teuten, Emma L, Xu, Li, Reddy, Christopher M
Format:	Artikel
Sprache:	eng
Schlagworte:	Adipose Tissue - chemistry Adipose Tissue - metabolism Animal and plant ecology Animal, plant and microbial ecology Animals Anisoles - analysis Anisoles - chemistry Anisoles - isolation & purification Anisoles - metabolism Aquatic life Autoecology Biological and medical sciences Biotransformation Blubber Carbon Radioisotopes - analysis Cetacea Chemical compounds Chlorine Diet Environmental Exposure Food chains Food chains (Ecology) Fundamental and applied biological sciences. Psychology Halogenated diphenyl ethers Hydroxylation Mammalia Marine Marine mammals Mesoplodon mirus Methylation Molecular Structure Natural products Oceans Organic Chemistry Organic compounds PCB Phenyl Ethers - analysis Phenyl Ethers - chemistry Phenyl Ethers - isolation & purification Phenyl Ethers - metabolism Polybrominated Biphenyls - analysis Polybrominated Biphenyls - chemistry Polybrominated Biphenyls - isolation & purification Polybrominated Biphenyls - metabolism Polychlorinated biphenyls Radiocarbon River water Sponges Tissues Tissues (Anatomy) Vertebrata Whales Whales - metabolism
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Zusammenfassung:	Methoxylated polybrominated diphenyl ethers (MeO-PBDEs) have been found bioaccumulated in the tissues of a variety of aquatic animals and at concentrations comparable to those of anthropogenic halogenated organic compounds, including polychlorinated biphenyls (PCBs). The origin of the MeO-PBDEs has been uncertain; circumstantial evidence supports a natural and/or an industrial source. By analyzing the natural abundance radiocarbon content of two MeO-PBDEs isolated from a True's beaked whale (Mesoplodon mirus), we show that these compounds were naturally produced.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.1106882