archaea
From: The Columbia Encyclopedia, Sixth Edition
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Date: 2008
archaea see Archaebacteria .
Author not available, ARCHAEA.,
The Columbia Encyclopedia, Sixth Edition 2008
The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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Archaea have been identified as agents in endodontic infections ... April 2006 issue of the Journal of Clinical Microbiology. Archaea, one of the three domains of life, are single-celled organisms ... single circular chromosome. High levels of methane-producing archaea (methanogens) have been found in the oral ...
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... domains of life--eukaryotes, bacteria, and archaea--branched off and went their separate ... samples, loaded with oily lipid remains of archaea found in a deep Canadian gold mine. Fabien ... fossils and found it was essentially made of archaea-derived lipids. The archaea lived in water ...
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SEND FOR THE SLAYER ARCHAEA
The Independent - London; 7/28/1996; John Newell; 2333 words;
... fascinating because they are all, or nearly all, archaea - the most ancient division of life on ... conditions is unequalled. That is why the archaea have survived in conditions, on our contemporary ... salt levels. The three main groups of archaea do precisely that." Bill Grant specialises ...
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Gene tool may crack open microbial secrets.(sequenced genome of archaea reveals mostly genes that are entirely unknown in other life forms)(Brief Article)
Science News; 3/22/1997; Smaglik, P.; 462 words;
... takes methane-producing microbes like some archaea to turn carbon into methane gas, which ... genetic tool that may help them discover how archaea, a poorly understood form of life, accomplish ... jannaschii, a methane-generating species of archaea living on the ocean floor (SN: 8/24/96 ...
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Triumph of the archaea.
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... type of life, a group of prokaryotes he called the archaea. Not only are the archaea genetically distinct from the other prokaryotes ... to Escherichia coli. It's now believed that the archaea and eubacteria diverged from a common ancestor ...
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The Third Domain: The Untold Story of Archaea and the Future of Biotechnology.(Books: A selection of new and notable books of scientific interest)(Brief article)(Book review)
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THE THIRD DOMAIN: The Untold Story of Archaea and the Future of Biotechnology TIM FRIEND ... scoffed. Yet today, barely 30 years later, archaea are known to be at least as abundant as ... chronicles scientists' efforts to decode archaea's genetics and to unlock the secrets of ...
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New twigs on the third branch of life. (gene sequence of a single-celled microorganism from the archaea group is uncovered)(Brief Article)
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... group of microscopic organisms called the archaea. Neither bacteria nor eucarya (plants ... organisms with a nucleus in their cells), archaea represent a third branch of life, many ... of more than a dozen previously unknown archaea. The researchers, who describe their work ...
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Third branch of life bares its genes. (Archaea)
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... should also help unravel the mystery of the Archaea. This group of microscopic organisms ... archaebacteria by Woese and now called archaea, do not have nuclei but differ significantly ... other ways. Scientists initially found archaea only in extreme environments such as the ...
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The last universal common ancestor (LUCA), simple or complex?(Evolution: A Molecular Point of View)
The Biological Bulletin; 6/1/1999; Forterre, Patrick Philippe, Herve; 2739 words;
... about the molecular biology of Archaea, as well as the recent availability ... several completely sequenced archaeal and bacterial genomes, has renewed ... addition of new sequences, the Archaea and Bacteria were both revealed ... long branch of the outgroup (Archaea or Bacteria). A spectacular ...
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&type=4 "All Things Considered (NPR)")
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Researchers Map Genes of Unusual Third Form of Life
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... gene in an unusual form of life called an ``archaea.'' Two-thirds of the genes identified were ... This kind of microorganism is called an `archaea' on its very own branch of the tree of life ... found a third form of life on Earth named `archaea.' For years friends and colleagues scoffed ... the new report ...
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Martians in Idaho hot spring? (Newscope).(Brief Article)
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... community of microscopic organisms known as Archaea thriving deep in the subsurface source of a hot spring in Idaho. Archaea, a class of microscopic organisms that ... food source (such as decaying plants), Archaea live on a diet of hydrogen and carbon ...
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Genomic markers of ancient anaerobic microbial pathways: sulfate reduction, methanogenesis, and methane oxidation.
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... When sulfate is depleted, methanogenic archaea become the dominant anaerobic microbial ... syntrophic consortia of methanotrophic archaea and sulfate-reducing bacteria, in which ... Orphan et al., 2001b). Methanotrophic archaea of different phylogenetic affiliation ...
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Microbe's DNA makeup sheds new light on life
The Boston Globe; 8/23/1996; Richard Saltus, Globe Staff; 845 words;
... old theory that the microbes called archaea are a separate but equal category of life. In the first example of archaea to undergo DNA sequencing, the scientists ... Carl Woese, who first argued that the archaea represent a separate form of life, and ...
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