Any multicellular animal, from a blue whale to a human being, poses a special difficulty for the theory of evolution. Most of the cells in its body will die without reproducing, and only a privileged few will pass their genes ...
Cell & Microbiology
Dec 15, 2011
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Life is full of choices, not only for people but also for the cells that we’re made of. Scientists in Manchester are studying a simple life form to uncover the basis of cells’ choices, as Michael Regnier reports.
Cell & Microbiology
Nov 22, 2011
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A University of Louisville scientist has determined for the first time how the bacterium that causes Legionnaires' disease manipulates our cells to generate the amino acids it needs to grow and cause infection and inflammation ...
Cell & Microbiology
Nov 17, 2011
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(PhysOrg.com) -- A summer research expedition organized by scientists at Scripps Institution of Oceanography at UC San Diego has led to the identification of gigantic amoebas at one of the deepest locations on Earth.
Earth Sciences
Oct 23, 2011
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The ability to identify self and non-self enables cells in more sophisticated animals to ward off invading infections, but it is critical to even simpler organisms such as the social amoebae Dictyostelium discoideum.
Cell & Microbiology
Jun 23, 2011
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(PhysOrg.com) -- Deep within the waters of Antarctica's Organic Lake an Australian research team, led by microbiologist Ricardo Cavicchioli from the University of New South Wales, have discovered a new virophage, or virus ...
(PhysOrg.com) -- Relatively harmless microbes which pass through water treatment systems could be allowing dangerous bacteria, such as Legionella, to reproduce in drinking water supplies, researchers have warned following ...
Environment
Feb 22, 2011
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(PhysOrg.com) -- Some amoebae do what many people do. Before they travel, they pack a lunch. In results of a study reported today in the journal Nature, evolutionary biologists Joan Strassmann and David Queller of Rice University ...
Cell & Microbiology
Jan 19, 2011
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Researchers have identified a marine giant virus that infects Cafeteria roenbergensis, a widespread planktonic predator that occupies a key position in marine food webs, according to a study.
Cell & Microbiology
Nov 2, 2010
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(PhysOrg.com) -- An amoeba with a split personality is giving biologists clues to the ancestry of organisms from fungi to people and insight into how complex organisms evolved.
Cell & Microbiology
Mar 30, 2010
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