(PhysOrg.com) -- On average, one hundred billion cells in the human body divide over the course of a day. Most of the time the body gets it right but sometimes, problems in cell replication can lead to abnormalities in chromosomes ...
Biochemistry
Sep 16, 2010
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(PhysOrg.com) -- The deaths of nearby relatives has a curious effect on the bacterium Caulobacter crescentus -- surviving cells lose their stickiness.
Cell & Microbiology
Jun 29, 2010
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Some species of bacteria perform an amazing reproductive feat. When the single-celled organism splits in two, the daughter cell - the swarmer - inherits a propeller to swim freely. The mother cell builds a stalk to cling ...
Cell & Microbiology
Jun 3, 2010
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Understanding how aged and damaged mother cells manage to form new and undamaged daughter cells is one of the toughest riddles of ageing, but scientists now know how yeast cells do it. In a groundbreaking study researchers ...
Cell & Microbiology
Feb 1, 2010
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When mother and daughter cells are created each time a cell divides, they are not exactly alike. They have the same set of genes, but differ in the way they regulate them. New research now reveals that these regulatory differences ...
Cell & Microbiology
Oct 19, 2009
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How evolution acts to bridge the chasm between two discrete physiological states is a question that's long puzzled scientists. Most evolutionary changes, after all, happen in tiny increments: an elephant grows a little larger, ...
Evolution
Jul 20, 2009
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(June 21, 2009) - Notch signaling helps determine the fate of a number of different cell types in a variety of organisms, including humans. In an article that appears in the current issue of Nature Cell Biology, researchers ...
Cell & Microbiology
Jun 21, 2009
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