Biradical Tetraether Lipids from Thermoacidophilic Archaebacteria
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Archaebacteria are a novel class of micro-organisms, commonly encountered in exceptional ecological niches: methanogens in the absence of oxygen and in the presence of hydrogen and carbon dioxide, halophiles at high salt concentration, thermophiles at high temperature ranging from 60° to 105°. A variety of phylogenetic arguments has led some authors to propose archaebacteria as a third primary kingdom of living organisms, the two others being prokaryotes and eukaryotes, and to suggest that archaebacteria may have played a key role in the early history of life (for a review, see Woese, 1981).
KeywordsHydrocarbon Chain Lipid Molecule Lamellar Phase Stiff Chain Tetraether Lipid
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