Journal ArticleDOI
The organic geochemistry of glycerol dialkyl glycerol tetraether lipids: A review
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TLDR
Progress made over the last decade in the analysis, occurrence and recognition of sources of GDGTs, their applications as biomarker lipids, and the development and application of proxies based on their distributions are reviewed.About:
This article is published in Organic Geochemistry.The article was published on 2013-01-01. It has received 795 citations till now. The article focuses on the topics: Archaeol.read more
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Mid-Holocene moisture maximum revealed by pH changes derived from branched tetraethers in loess deposits of the northeastern Tibetan Plateau
Yanwu Duan,Qing Sun,Josef P. Werne,Hui Zhao,Dongju Zhang,Naimeng Zhang,Jianbao Liu,Jianbao Liu,Duo Wu,Fahu Chen,Fahu Chen +10 more
TL;DR: In this paper, the authors present two pH records spanning the last ~12kyr from well-dated loess-paleosol sections (YWY14 and SHD09) from the northeastern Tibetan Plateau (NETP).
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Predominance of archaea-derived hydrocarbons in an Early Triassic microbialite
TL;DR: In this paper, the distribution of lipids in Lower Triassic sedimentary rocks (252-247myr) from South China, including a shallow water microbialite in the uppermost section of the outcrop, was investigated.
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Lignin phenols and BIT index distributions in the Amur River and the Sea of Okhotsk : Implications for the source and transport of particulate terrestrial organic matter to the ocean
Osamu Seki,Y. Mikami,Seiya Nagao,James A Bendle,Takeshi Nakatsuka,V. I. Kim,Vladimir Shesterkin,A. N. Makinov,M. Fukushima,Heiko Moossen,Stefan Schouten +10 more
TL;DR: In this paper, the authors measured lignin phenols (a proxy for terrestrial plant derived organic matter) and the branched and isoprenoidal tetraether (BIT) index in soils and river bed sediment from the Amur River basin and surface sediments from the Sea of Okhotsk, to study the source, transport and deposition of fluvial particulate organic matter to the ocean.
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OPTiMAL: a new machine learning approach for GDGT-based palaeothermometry
Tom Dunkley Jones,Yvette Eley,William Thomson,Sarah E. Greene,Ilya Mandel,Ilya Mandel,Kirsty M. Edgar,James A Bendle +7 more
TL;DR: A new mathematical approach called OPTiMAL (Optimised Palaeothermometry from Tetraethers via MAchine Learning) is developed to improve temperature estimation and the representation of uncertainty based on the relationship between ancient GDGT assemblage data and the structure of the modern calibration data set.
References
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A rapid method of total lipid extraction and purification.
E. G. Bligh,W. J. Dyer +1 more
TL;DR: The lipid decomposition studies in frozen fish have led to the development of a simple and rapid method for the extraction and purification of lipids from biological materials that has been applied to fish muscle and may easily be adapted to use with other tissues.
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Trends, Rhythms, and Aberrations in Global Climate 65 Ma to Present
TL;DR: This work focuses primarily on the periodic and anomalous components of variability over the early portion of this era, as constrained by the latest generation of deep-sea isotope records.
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Archaea in coastal marine environments.
TL;DR: Evidence for the widespread occurrence of unusual archaea in oxygenated coastal surface waters of North America is provided and it is suggested that these microorganisms represent undescribed physiological types of archaea, which reside and compete with aerobic, mesophilic eubacteria in marine coastal environments.
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Isolation of an autotrophic ammonia-oxidizing marine archaeon
Martin Könneke,Anne E. Bernhard,Anne E. Bernhard,José R. de la Torre,Christopher B. Walker,John B. Waterbury,David A. Stahl +6 more
TL;DR: The isolation of a marine crenarchaeote that grows chemolithoautotrophically by aerobically oxidizing ammonia to nitrite—the first observation of nitrification in the Archaea is reported, suggesting that nitrifying marine Cren archaeota may be important to global carbon and nitrogen cycles.