Lethal weapon: bacteria's high-risk suicide strategy
(Phys.org)—New research shows how some bacterial cells keep a 'suicide complex' ready to hand at all times.
Dec 27, 2012
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Dec 27, 2012
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Researchers show RNA ribozymes able to cooperate to reassemble themselves
(Phys.org)—A team of chemistry and applied sciences researchers from several universities in the United States has shown that RNA fragments torn apart in the lab work together to reassemble themselves. This finding, the ...
Oct 18, 2012
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Enzyme corrects more than one million faults in DNA replication
Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.
May 10, 2012
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Study offers new information for flu fight
Influenza virus can rapidly evolve from one form to another, complicating the effectiveness of vaccines and anti-viral drugs used to treat it. By first understanding the complex host cell pathways that the flu uses for replication, ...
Jan 27, 2012
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Juvenile diarrhea virus analyzed
Rice University scientists have defined the structure -- down to the atomic level -- of a virus that causes juvenile diarrhea. The research may help direct efforts to develop medications that block the virus ...
Jul 18, 2011
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Cell biologist pinpoints how RNA viruses copy themselves
Nihal Altan-Bonnet, assistant professor of cell biology, Rutgers University in Newark, and her research team have made a significant new discovery about RNA (Ribonucleic acid) viruses and how they replicate themselves.
May 28, 2010
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Scientists crash test DNA's replication machinery
(PhysOrg.com) -- Important molecular machines routinely crash into one another while plying their trades on DNA. New research shows that the enzymes that copy DNA before cell division, called replisomes, are the kings of ...
Feb 10, 2010
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Scientists use math modeling to predict unknown biological mechanism of regulation
A team of scientists, led by a biomedical engineer at The University of Texas at Austin, have demonstrated - for the first time - that mathematical models created from data obtained by DNA microarrays, can ...
Oct 14, 2009
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Professor sheds light on DNA mechanisms
By manipulating individual atoms in DNA and forming unique molecules, a Georgia State University researcher hopes to open new avenues in research towards better understanding the mechanisms of DNA replication and transcription, ...
Jul 17, 2009
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Of yeast and men: Unraveling the molecular mechanisms of Friedreich's ataxia
Researchers in human genetics have long known that expansions of GAA repeats - resulting in this nucleotide triplet repeating hundreds or thousands of times - cause the most common hereditary neurological disorder known as ...
Jul 09, 2009
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MicroRNAs help control HIV life cycle
Scientists at Burnham Institute for Medical Research (Burnham) have discovered that specific microRNAs (non-coding RNAs that interfere with gene expression) reduce HIV replication and infectivity in human T-cells. In particular, ...
Jun 25, 2009
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Cancer cells need normal, nonmutated genes to survive
Corrupt lifestyles and vices go hand in hand; each feeds the other. But even the worst miscreant needs customary societal amenities to get by. It's the same with cancer cells. While they rely on vices in the form of genetic ...
May 28, 2009
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Scientists develop first examples of RNA that replicates itself indefinitely
Now, a pair of Scripps Research Institute scientists has taken a significant step toward answering that question. The scientists have synthesized for the first time RNA enzymes that can replicate themselves without the help ...
Jan 09, 2009
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