[delta]^sup 15^N Enrichment Suggests Possible Source for Halogenated 1'-Methyl-1,2'-bipyrroles (MBPs)

[delta]^sup 15^N Enrichment Suggests Possible Source for Halogenated 1'-Methyl-1,2'-bipyrroles (MBPs)

Polyhalogenated 1'-methyl-1,2'-bipyrroles are natural products that biomagnify into upper trophic levels of marine food webs. Here we demonstrate that they are unusually enriched in ... (... from +19.3%... to +28.1%...) relative to other biosynthetic organic compounds measured to date and...

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Veröffentlicht in:Environmental science & technology 2012-02, Vol.46 (4), p.2064
Hauptverfasser: Pangallo, Kristin C, Reddy, Christopher M, Poyton, Matthew, Bolotin, Jakov, Hofstetter, Thomas B
Format: Artikel
Sprache:eng
Schlagworte:
Biosynthesis
Chemical compounds
Food chains
Mammals
Marine ecology
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Zusammenfassung:Polyhalogenated 1'-methyl-1,2'-bipyrroles are natural products that biomagnify into upper trophic levels of marine food webs. Here we demonstrate that they are unusually enriched in ... (... from +19.3%... to +28.1%...) relative to other biosynthetic organic compounds measured to date and the mammals from which the compounds were isolated. We argue the ... enrichment likely stems from enriched precursors and/or fractionation during biosynthesis and is not from MBP degradation. We also consider possible sources of MBPs in light of these results. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0013-936X