Identification of bacteriophaeophytin a esterified with geranylgeraniol in an Antarctic lake sediment

Squier, Angela H.; Hodgson, Dominic A. ORCID: https://orcid.org/0000-0002-3841-3746; Keely, Brendan J.. 2004 Identification of bacteriophaeophytin a esterified with geranylgeraniol in an Antarctic lake sediment. Organic Geochemistry, 35 (2). 203-207. https://doi.org/10.1016/j.orggeochem.2003.10.006

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Abstract/Summary

Bacteriophaeophytin a with geranylgeraniol as the C-17(3) esterifying alcohol has been identified in a sediment from Progress Lake, east Antarctica by using atmospheric pressure chemical ionisation liquid chromatography-mass spectrometry. This transformation product of bacteriochlorophyll a(geranylgeraniol), constitutes a biomarker for the presence of purple non-sulfur bacteria, most likely Rhodospirillum rubrum, in the lake at the time of sediment deposition.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1016/j.orggeochem.2003.10.006
Programmes:	BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Signals in Antarctica of Past Global Changes
ISSN:	0146-6380
NORA Subject Terms:	Biology and Microbiology Earth Sciences Chemistry
Date made live:	15 Mar 2012 08:19 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/12438

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