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

Squier, Angela H.; Hodgson, Dominic A.; Keely, Brendan J.

NORA

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. 10.1016/j.orggeochem.2003.10.006

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Abstract

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.

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Official URL:

http://www.sciencedirect.com/science/article/pii/S...

Digital Object Identifier (DOI):

10.1016/j.orggeochem.2003.10.006

Programmes (Superseded):

BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Signals in Antarctica of Past Global Changes

ISSN: