News tagged with archaea
First volume of microbial encyclopedia published
Dec 23, 2009 |
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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 microbi ...
Analysis knocks down theory on origin of cell structure
Apr 22, 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 ...
Study of protein structures reveals key events in evolutionary history
Mar 10, 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.
Search results for archaea
Researchers discover biological basis of 'bacterial immune system'
Nov 30, 2009 |
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(PhysOrg.com) -- Bacteria don’t have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Researchers discover biological basis of 'bacterial immune system'
Nov 25, 2009 |
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Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Deep-Sea Microbes May Answer Long-Standing Question About Earth's Nitrogen Cycle
Space & Earth / Earth Sciences
Oct 15, 2009 |
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(PhysOrg.com) -- Scientists have identified an unexpected metabolic ability in a symbiotic community of deep-sea microorganisms. It may help solve a lingering mystery about the world's nitrogen cycle.
Water Bears to Travel to Martian Moon, Test Theory of Transpermia
Space & Earth / Space Exploration
Oct 13, 2009 |
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(PhysOrg.com) -- Tiny microscopic creatures commonly known as water bears (also called Tardigrades), along with a few other life forms, will be sent to the Martian moon Phobos to test whether organisms can ...
Planet's nitrogen cycle overturned by 'tiny ammonia eater of the seas'
Sep 30, 2009 |
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(PhysOrg.com) -- It's not every day you find clues to the planet's inner workings in aquarium scum. But that's what happened a few years ago when University of Washington researchers cultured a tiny organism from the bottom ...
Study Reveals Unexpected Ancient Cellular Structure
Sep 10, 2009 |
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(PhysOrg.com) -- Scientists at North Carolina State University have effectively lifted the veil from the structure of an ancient and important RNA-protein complex essential for the biosynthesis and function of the ribosome, ...
Extremophile Yields a Key Cog in Life's Protein Factory
Sep 10, 2009 |
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(PhysOrg.com) -- Peering at single molecules within an organism that makes its home near thermal vents, Yale University scientists have discovered the structure of a key player in the creation of protein-making ...
Surprising new insights into the repair strategies of DNA
Jul 15, 2009 |
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(Physorg.com) -- A microscopic single-celled organism, adapted to survive in some of the harshest environments on earth, could help scientists gain a better understanding of how cancer cells behave.
Exploring standards to advance microbial genomics
Jul 10, 2009 |
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Microbes contribute to manifold human endeavors ranging from bioenergy to agriculture to medicine. Moreover, they make the Earth's biogeochemical cycles go round, a prerequisite for all life on the planet. ...
Methane-eating microbes can use iron and manganese oxides to 'breathe'
Space & Earth / Earth Sciences
Jul 09, 2009 |
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Iron and manganese compounds, in addition to sulfate, may play an important role in converting methane to carbon dioxide and eventually carbonates in the Earth's oceans, according to a team of researchers ...
List of search results for archaea
