Glycerol dialkyl glycerol tetraether (GDGT) lipids are membrane lipids which were long
thought to be synthesized mainly by archaea, organisms thought to be limited to extreme …

Wastewater is discarded from several sources, including industry, livestock, fertilizer
application, and municipal waste. If the disposed of wastewater has not been treated and …

The mid-Cretaceous period was one of the warmest intervals of the past 140 million years,,,–
, driven by atmospheric carbon dioxide levels of around 1,000 parts per million by volume. In …

Deep drilling into the marine sea floor has uncovered a vast sedimentary ecosystem of
microbial cells,. Extrapolation of direct counts of stained microbial cells to the total volume of …

Lipids from prokaryotic cell membranes can serve as sources of information on the
biogeochemistry and microbial ecology of natural ecosystems. Traditionally, apolar …

Archaea synthesize membranes of isoprenoid lipids that are ether-linked to glycerol-1-
phosphate (G1P), while Bacteria/Eukarya produce membranes consisting of fatty acids ester …

Organic phosphorus is involved in almost every biological process. Organic forms of
phosphorus often dominate in soils and aquatic systems and many organisms possess …

Membrane fatty acids were extracted from a sediment core above marine gas hydrates at
Hydrate Ridge, NE Pacific. Anaerobic sediments from this environment are characterized by …

Plasmalogens are a specific glycerophospholipid class containing a vinyl ether moiety at the
sn-1-position of the glycerol backbone. The high susceptibility of this vinyl ether bond to …

An astonishing variety of different lipids have been found in marine sediments and the water
column attesting to the diversity of biosynthetic pathways employed by aquatic organisms …