They make up less than one-hundredth of 1 percent of the microbes that live in the colon, but the bacteria and archaea that sop up hydrogen in the gut are fundamental to colon health. In a new study, researchers take a first ...
Cell & Microbiology
Aug 2, 2011
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(PhysOrg.com) -- Archaea are among the oldest known life-forms, but they are not well understood. It was only in the 1970s that these single-celled microorganisms were designated as a domain of life distinct from bacteria ...
Cell & Microbiology
Jul 6, 2011
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Microorganisms play an important role in global nutrient cycles. A research team led by Christa Schleper, head of the Department of Genetics in Ecology at the University of Vienna, has isolated the first ammonium oxidizing ...
Cell & Microbiology
Apr 25, 2011
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(PhysOrg.com) -- In the depths of a former copper mine in Northern California dwell what may be the smallest, most stripped-down forms of life ever discovered.
Cell & Microbiology
May 3, 2010
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(PhysOrg.com) -- Oxygen may not be the staple of modern complex life that scientists once thought. Until now, the only life forms known to live exclusively in anoxic conditions were viruses, bacteria and Archaea. But in a ...
The Earth is estimated to have about a nonillion (1030) microbes in, on, around, and under it, comprised of an unknown but very large number of distinct species. Despite the widespread availability of microbial genome data—close ...
Cell & Microbiology
Dec 23, 2009
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(PhysOrg.com) -- Understanding how living cells originated and evolved into their present forms remains a fundamental research area in biology, one boosted in recent years by the introduction of new tools for genomic analysis. ...
Cell & Microbiology
Apr 22, 2009
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A new study of proteins, the molecular machines that drive all life, also sheds light on the history of living organisms.
Biotechnology
Mar 10, 2009
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