The Surprising Archaea: Discovering Another Domain of Life
Oxford University, 2000 - 204 páginas
Although they comprise one of the three fundamental branches of life, the Archaea were only recognized as a group about twenty years ago. This recognition was based on similarities between their RNA sequences, similarities all the more striking because of the diversity of archaeal lifestyles.
They include microorganisms that live in boiling water, within the guts of animals, or in concentration brines. It is also evident that the Archaea diverged early in the history of life, and are of great evolutionary interest as a result. This book tells their emerging story, from their toughness in
the face of forbidding environments to their unique place in evolution and in the world ecosystem.
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1 Meeting Some Archaea
2 Their Discovery
3 Finding Them in Nature and Bringing Them Home
4 Archaeal Portraits
5 Where They Live and How They Manage
6 From a Historical Perspective
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amino acids anaerobic Archaea Archaea and Eubacteria ATP synthesis bacteria bacteriorhodopsin bacterium base billion years ago biology carbon dioxide Carl Woese cell wall cellular chaea chain chemical chloride classiﬁcation coenzyme compounds concentration contain Crenarchaeota deﬁned deﬁnitely degrees difﬁcult domains Earth endosymbiosis energy environment enzymes Eubacteria Eukaiya eukaryotic eukaryotic cells evolution evolutionary evolved example extremely ﬁrst ﬂagella genes genetic genome grow growth Halobacterium halophiles halophilic Archaea heat hot springs hydrogen ion hydrothermal hydrothermal vents identiﬁed ion gradient isolated jannaschii lipids living medium metabolic methane Methanococcus methanogens microbial microorganisms molecular molecules mophilic nonpolar nucleotide occur ocean oxidation oxygen phospholipid photosynthesis plasmids polymerase prokaryotic cells protein synthesis pure culture purple reactions reﬂect respiration ribosomes rRNA rRNA sequences salt scientiﬁc seawater signiﬁcant similar sodium species speciﬁc spontaneous structure subunits sufﬁcient sulﬁde Sulfolobus Sulfololms sulfur surface synthase temperature thermophilic thermophilic Archaea Thermoplasma tion Woese