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    An unusual 17α,21β(H)-bacteriohopanetetrol in Holocene sediments from Ace Lake (Antarctica)

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    Talbot et al ab BHT in ace lake final draft.pdf (178.9Kb)
    Date
    2008-01
    Author
    Talbot, Helen M.  Concept link
    Coolen, Marco J. L.  Concept link
    Sinninghe Damste, Jaap S.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/2487
    As published
    https://doi.org/10.1016/j.orggeochem.2008.01.008
    Keyword
     Ace Lake; Bacteriohopanepolyols; αβ-bacteriohopanetetrol; Holocene 
    Abstract
    Whilst investigating the intact biohopanoid (bacteriohopanepolyol, BHP) distribution in Holocene sediments from Ace Lake (Antarctica), we have identified the presence of ab- bacteriohopanetetrol in sediments aged up to 9400 years BP. To our knowledge, this is the first time that an intact polyfunctionalised BHP with the “geological” 17α,21β(H) configuration has been identified in a sediment. Previously, this structure has only been observed in species of the nitrogen fixing bacterium Frankia. Its presence here in the sedimentary environment has implications for the interpretation of hopanoid ββ/αβ ratios in the geological record.
    Description
    Author Posting. © Elsevier B.V., 2008. This is the author's version of the work. It is posted here by permission of Elsevier B.V. for personal use, not for redistribution. The definitive version was published in Organic Geochemistry 39 (2008): 1029-1032, doi:10.1016/j.orggeochem.2008.01.008.
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    • Marine Chemistry and Geochemistry (MC&G)
    Suggested Citation
    Preprint: Talbot, Helen M., Coolen, Marco J. L., Sinninghe Damste, Jaap S., "An unusual 17α,21β(H)-bacteriohopanetetrol in Holocene sediments from Ace Lake (Antarctica)", 2008-01, https://doi.org/10.1016/j.orggeochem.2008.01.008, https://hdl.handle.net/1912/2487
     

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