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

    Access Status
    Fulltext not available
    Authors
    Talbot, H.
    Coolen, Marco
    Damsté, J.
    Date
    2008
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Talbot, H. and Coolen, M. and Damsté, J. 2008. An unusual 17a,21ß(H)-bacteriohopanetetrol in Holocene sediments from Ace Lake (Antarctica). Organic Geochemistry. 39 (8): pp. 1029-1032.
    Source Title
    Organic Geochemistry
    DOI
    10.1016/j.orggeochem.2008.01.008
    ISSN
    0146-6380
    URI
    http://hdl.handle.net/20.500.11937/42345
    Collection
    • Curtin Research Publications
    Abstract

    Whilst investigating the intact biohopanoid (bacteriohopanepolyol, BHP) distribution in Holocene sediments from Ace Lake (Antarctica), we found aß-bacteriohopanetetrol in sediments aged up to 9400 yr BP. To our knowledge, this is the first time that an intact polyfunctionalised BHP with the "geological" 17a,21ß(H) configuration has been identified in a sediment. Previously, the structure had only been observed in species of the nitrogen fixing bacterium Frankia. Its presence in the sedimentary environment has implications for the interpretation of hopanoid ßß/aß ratios in the geological record. © 2008 Elsevier Ltd. All rights reserved.

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