Antibodies are watchdogs of human health, continuously prowling the body and registering minute changes associated with infection or disease with astonishing acuity. They also serve as biochemical memory banks, faithfully ...
Biochemistry
Jan 24, 2011
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Most mutations in the genes of the Salmonella bacterium have a surprisingly small negative impact on bacterial fitness. And this is the case regardless whether they lead to changes in the bacterial proteins or not. This is ...
Cell & Microbiology
Nov 5, 2010
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Membrane proteins are of immense biological and pharmaceutical importance. But so far there are only a handful of cases in which the exact structure could be successfully determined. Scientists at Columbia University, New ...
Cell & Microbiology
Oct 27, 2010
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Antibodies are the immune system's warriors. Their role is to pinpoint disease pathogens, attaching to them and neutralizing their effects. Though antibodies are of great value for biomedical research, the process of creating ...
Biotechnology
May 19, 2010
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(PhysOrg.com) -- Experiments can sometimes lead to the discovery of completely unanticipated phenomena. Such is the case with the remarkable behavior exhibited by peptide nanostructures (in the form of supramolecular filaments) ...
Nanomaterials
Apr 8, 2010
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(PhysOrg.com) -- A biologist and computer scientist seek sites of RNA editing, a phenomenon that plays a key role in human genetic complexity.
Biotechnology
Jan 12, 2010
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For many years scientists have known that the numerous biological functions of an organism are not regulated solely by the DNA sequence of its genes: Superordinate regulatory mechanisms exist that contribute to determining ...
Cell & Microbiology
Jun 16, 2009
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A new tool will help researchers identify the minute changes in DNA patterns that lead to cancer, Huntington's disease and a host of other genetic disorders. The tool was developed at North Carolina State University and translates ...
Cell & Microbiology
May 19, 2009
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(PhysOrg.com) -- In a new study, researchers at the University of Illinois have identified and visualized the signaling pathways in protein-RNA complexes that help set the genetic code in all organisms. The genetic code allows ...
Biochemistry
Apr 14, 2009
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Most aphids host mutualistic bacteria, Buchnera aphidicola, which live inside specialized cells called bacteriocytes. Buchnera are vital to the aphids well being as they provide essential amino acids that are scarce in its ...
Cell & Microbiology
Mar 9, 2009
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