Four billion years ago, soon after the planet cooled enough for life to begin, primordial cells may have replicated and divided without protein machinery or cell walls, relying instead on just a flimsy lipid membrane. New ...
Cell & Microbiology
Feb 28, 2013
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(Phys.org)—Using an innovative approach, scientists at The Scripps Research Institute (TSRI) have determined the structure of Ltn1, a recently discovered "quality-control" protein that is found in the cells of all plants, ...
Biochemistry
Jan 14, 2013
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For much of her professional life, Dr. Susan Rosenberg has studied the puzzling response of bacteria to stress and the mutations that result. In the current issue of the journal Science, she puts together the pieces of that ...
Cell & Microbiology
Dec 6, 2012
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The human immunodeficiency virus (HIV) can contain dozens of different mutations, called polymorphisms. In a recent study an international team of researchers, including MU scientists, found that one of those mutations, called ...
Biochemistry
Sep 13, 2012
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Researchers at UC Santa Barbara have discovered a molecular pathway that may explain how a particularly deadly form of cancer develops. The discovery may lead to new cancer therapies that reprogram cells instead of killing ...
Biochemistry
Jan 30, 2012
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(PhysOrg.com) -- Body cells detect signals that control their behavior through tiny hairs on the cell surface called cilia. Serious diseases and disorders can result when these cilia do not work properly. New research from ...
Cell & Microbiology
Jun 8, 2011
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An important new finding by Harvard researchers indicates that cellular mutations responsible for an organism’s successful adaptation do not, when combined over time, provide as much benefit as they would individually ...
Evolution
Jun 3, 2011
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You may never hear fruit flies snore, but rest assured that when you're asleep they are too. According to research published in the January 2009 issue of the journal Genetics, scientists from the University of Missouri-Kansas ...
Jan 13, 2009
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Researchers at the University of Helsinki uncovered the mechanisms for a novel cellular stress response arising from the toxicity of newly synthesized proteins. Activation of the stress response is at the epicentre of the ...
Cell & Microbiology
Feb 22, 2019
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Attaching chains of the small molecule ADP-ribose to proteins is important for a cell's survival and the repair of DNA damage, making this process a promising target for the development of new cancer drugs. Researchers have ...
Cell & Microbiology
Mar 12, 2013
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