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 ...
Feb 28, 2013
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Double-strand breaks in DNA happen every time a cell divides and replicates. Depending on the type of cell, that can be pretty often. Many proteins are involved in everyday DNA repair, but if they are mutated, ...
Feb 03, 2013
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(Phys.org)—Researchers seeking to improve production of ethanol from woody crops have a new resource in the form of an extensive molecular map of poplar tree proteins, published by a team from the Department ...
Jan 30, 2013
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Turning vast amounts of genomic data into meaningful information about the cell is the great challenge of bioinformatics, with major implications for human biology and medicine. Researchers at the University ...
Dec 16, 2012
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(PhysOrg.com) -- Before any cell - healthy or cancerous - can divide, it has to replicate its DNA. So scientists who want to know how normal cells work - and perhaps how to stop abnormal ones - are keen to ...
Mar 06, 2012
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Prions, the much-maligned proteins most commonly known for causing "mad cow" disease, are commonly used in yeast to produce beneficial traits in the wild. Moreover, such traits can be passed on to subsequent generations and ...
Feb 15, 2012
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When a plant encounters drought, it does its best to cope with this stress by activating a set of protein molecules called receptors. These receptors, once activated, turn on processes that help the plant ...
Dec 19, 2011
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Researchers test a pre-emptive anti-viral treatment on a common virus known to cause respiratory infections.
Dec 16, 2011
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Researchers have built a map that shows how thousands of proteins in a fruit fly cell communicate with each other . This is the largest and most detailed protein interaction map of a multicellular organism, demonstrating ...
Oct 27, 2011
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Rewrite the textbooks and revisit old experiments, because there's a new cog in our cellular machinery that has been discovered by researchers from the University of Alberta and the University of Cambridge Institute for Medical ...
Oct 11, 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 ...
Sep 01, 2011
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When investigating cancer cells, researchers discovered numerous peculiarities: Particular RNA molecules are present in large numbers, particular genes are overactive. Do these characteristics have a relation to cancer? Do ...
Aug 24, 2011
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When an egg cell is being formed, the cellular machinery which separates chromosomes is extremely imprecise at fishing them out of the cell's interior, scientists at the European Molecular Biology Laboratory ...
Aug 18, 2011
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Researchers at the University of Massachusetts Medical School have described a previously unknown role for the cilia protein IFT88 in mitosis, the process by which a dividing cell separates its chromosomes containing the ...
Apr 04, 2011
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A new laser technique has demonstrated that it can measure the interactions between proteins tangled in a cell's membrane and a variety of other biological molecules. These extremely difficult measurements ...
Mar 15, 2011
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