Lipid Biomarkers: The Recalcitrant Biomolecules in Geosphere
A special issue of Geosciences (ISSN 2076-3263). This special issue belongs to the section "Sedimentology, Stratigraphy and Palaeontology".
Deadline for manuscript submissions: closed (20 September 2022) | Viewed by 608
Special Issue Editors
Interests: organic geochemistry; geobiology
Interests: organic geochemistry; geobiology; lipid biomarkers; origins of life
Special Issue Information
Dear Colleagues,
Lipid biomarkers preserved in sedimentary records are organic fossil molecules derived from once-living organisms. Owing to their chemical stability compared to other biomolecules (e.g., protein and DNA), lipid biomarkers are often utilized to investigate the coevolution of life and Earth in deep time. Since the first identification of porphyrins in petroleum samples over eighty years ago, continuously improved sampling and analytical techniques have facilitated the discovery of numerous lipid biomarker compounds and promoted their application in various disciplines of geosciences. However, emerging and long-lasting issues such as undetermined biological sources and physiology of specific lipids have raised concerns about the fidelity of certain lipid biomarkers. This Special Issue invites research and review papers on the following topics: critical discussion and reappraisal of popularly applied biomarker proxies, the study of novel lipid biomarker compounds, and newly developed or improved analytical protocols.
Dr. Xingqian Cui
Dr. Xiaolei Liu
Prof. Dr. Genming Luo
Guest Editors
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