The circadian clocks that control and influence dozens of basic biological processes have an unexpected "snooze button" that helps cells adapt to changes in their environment.
Cell & Microbiology
Feb 17, 2013
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(Phys.org)—A new way to visualize single-cell activity in living zebrafish embryos has allowed scientists to clarify how cells line up in the right place at the right time to receive signals about the next phase of their ...
Cell & Microbiology
Nov 13, 2012
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As they develop, vertebrate embryos form vertebrae in a sequential, time-controlled way. Scientists have determined previously that this process of body segmentation is controlled by a kind of "clock," regulated by the oscillating ...
Cell & Microbiology
Nov 13, 2012
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Barley grown in Scandinavian countries is adapted in a similar way to reindeer to cope with the extremes of day length at high latitudes. Researchers have found a genetic mutation in some Scandinavian barley varieties that ...
Plants & Animals
May 11, 2012
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In classical mythology, the cypress tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers, and a new study of their evolution affords a ...
Plants & Animals
May 3, 2012
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In a study of the molecular underpinnings of plants' pest resistance, Rice University biologists have shown that plants both anticipate daytime raids by hungry insects and make sophisticated preparations to fend them off.
Cell & Microbiology
Feb 13, 2012
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A sorghum hybrid that does not flower and accumulates as much as three times the amount of stem and leaf matter may help the bioenergy industry, according to a study appearing today in the Proceedings of the National Academy ...
Biotechnology
Sep 27, 2011
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Biologists have long known that organisms from bacteria to humans use the 24 hour cycle of light and darkness to set their biological clocks. But exactly how these clocks are synchronized at the molecular level to perform ...
Cell & Microbiology
Sep 1, 2011
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(PhysOrg.com) -- Research has shown that light is the key to getting our 'body clocks' back in sync and now a new study exploring the resynchronisation mechanism in insects has discovered a molecule essential to the process.
Cell & Microbiology
Jul 13, 2011
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Using automated screening techniques developed by pharmaceutical companies to find new drugs, researchers from UC San Diego and three other research institutions have discovered a molecule with the most potent effects ever ...
Biotechnology
Dec 14, 2010
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