Mid-chain branched alkanoic acids from “living fossil” demosponges: a link to ancient sedimentary lipids?
Volker Thiel,Volker Thiel,Angela Jenisch,Gert Wörheide,Antje Löwenberg,Joachim Reitner,Walter Michaelis +6 more
TLDR
The lipid assemblages of the “living fossil” stromatoporoid Astrosclera willeyana and the demosponge Agelas oroides were investigated and found to contain abundant linear, long-chain C24–C26 dienoic “demospongic” acids.About:
This article is published in Organic Geochemistry.The article was published on 1999-01-01 and is currently open access. It has received 94 citations till now.read more
Citations
More filters
Journal ArticleDOI
Sponge-Associated Microorganisms: Evolution, Ecology, and Biotechnological Potential
TL;DR: The ecology of sponge-microbe associations is examined, including the establishment and maintenance of these sometimes intimate partnerships, the varied nature of the interactions (ranging from mutualism to host-pathogen relationships), and the broad-scale patterns of symbiont distribution.
Journal ArticleDOI
Fossil steroids record the appearance of Demospongiae during the Cryogenian period
Gordon D. Love,Gordon D. Love,Emmanuelle Grosjean,Charlotte Stalvies,David A. Fike,John P. Grotzinger,Alexander S. Bradley,Amy E. Kelly,Maya P. Bhatia,Will Meredith,Colin E. Snape,Samuel A. Bowring,Daniel J. Condon,Daniel J. Condon,Roger E. Summons +14 more
TL;DR: It is suggested that shallow shelf waters in some late Cryogenian ocean basins contained dissolved oxygen in concentrations sufficient to support basal metazoan life at least 100 Myr before the rapid diversification of bilaterians during the Cambrian explosion.
Book ChapterDOI
Fatty acids from lipids of marine organisms: molecular biodiversity, roles as biomarkers, biologically active compounds, and economical aspects.
TL;DR: This review of marine lipidology deals with recent advances in the field of fatty acids since the end of the 1990s, mainly developing biomarkers of trophic chains in marine ecosystems and of chemotaxonomic interest, reporting new structures, especially those with biological activities or biosynthesis interest.
Journal ArticleDOI
A reconstruction of Archean biological diversity based on molecular fossils from the 2.78 to 2.45 billion-year-old Mount Bruce Supergroup, Hamersley Basin, Western Australia
TL;DR: In this paper, bitumens extracted from 2.7 to 2.5 billion-year-old (Ga) shales of the Fortescue and Hamersley Groups in the Pilbara Craton, Western Australia, contain traces of molecular fossils.
Journal ArticleDOI
An Anaerobic World in Sponges
Friederike Hoffmann,Ole Larsen,Volker Thiel,Hans Tore Rapp,Thomas Pape,Walter Michaelis,Joachim Reitner +6 more
TL;DR: Results show the presence of an anoxic micro-ecosystem in the sponge G. barretti, and imply mutualistic interactions between sponge cells and anaerobic microbes, which may help answer unsolved questions in sponge ecology and biotechnology.
References
More filters
Journal ArticleDOI
Iso- and anteiso-fatty acids in bacteria: biosynthesis, function, and taxonomic significance.
TL;DR: Branched-chain fatty acids of the iso and anteiso series occur in many bacteria as the major acyl constituents of membrane lipids and are an important criterion used to aid identification and classification of bacteria.
Journal ArticleDOI
Fatty acids of bacterial origin in contemporary marine sediments
TL;DR: In this paper, a study of the fatty acids from a tropical marine sediment selected because of its high biomass content is reported, and relationships between the sedimentary extracts of the surface layer to fatty acid components of bacteria cultured from the sediment sample are detailed.
Journal ArticleDOI
A psychrophilic crenarchaeon inhabits a marine sponge: Cenarchaeum symbiosum gen. nov., sp. nov
TL;DR: The discovery and preliminary characterization of a marine archaeon that inhabits the tissues of a temperate water sponge and represents the first described symbiosis involving Crenarchaeota, and a symbiotic archaeon closely related to other nonthermophilic cren archaeotes that inhabit diverse marine and terrestrial environments is presented.
Journal ArticleDOI
Phospholipid Ester-linked Fatty Acid Biomarkers of Acetate-oxidizing Sulphate-reducers and Other Sulphide-forming Bacteria
TL;DR: High levels of cyclopropyl fatty acids, including two isomers of both methylenehexadecanoic and methyleneheptadecanoics acids, were also characteristic of Desulfobacter spp.
Journal ArticleDOI
Hydrocarbon distribution of algae and bacteria, and microbiological activity in sediments.
Jerry Han,Melvin Calvin +1 more
TL;DR: The chemical taxonomic relationship of microorganisms has been studied through the hydrocarbon fraction of their chemical constituents and the diagenesis and biological transformations of some hydrocarbons in sediments is suggested.