(Phys.org)—As an animal develops from an embryo, its cells take diverse paths, eventually forming different body parts—muscles, bones, heart. In order for each cell to know what to do during development, it follows a ...
Biotechnology
Aug 29, 2012
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A detailed comparison of DNA and RNA in human cells has uncovered a surprising number of cases where the corresponding sequences are not, as has long been assumed, identical. The RNA-DNA differences generate proteins that ...
Biotechnology
May 19, 2011
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Benjamin Luft, M.D., Professor of Medicine, Stony Brook University Medical Center, and a team of medical researchers have determined the genetic blueprint of 13 strains of the bacteria that cause Lyme disease. The finding ...
Cell & Microbiology
Oct 14, 2010
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(PhysOrg.com) -- Using a system of nanofluidic channels and multicolor fluorescence microscopy, a team of investigators at Cornell University has developed a method that analyzes the binding of DNA and DNA-binding proteins ...
Bio & Medicine
Mar 30, 2010
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Leafcutter ants, signature denizens of New World tropical forests, are unique in their ability to harvest fresh leaves to cultivate a nutrient-rich fungus as food.
Biotechnology
Feb 10, 2011
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A man is a man and a mouse is a mouse, but if you talk to a few biomedical scientists about their research, at least one is likely to spring the term “mouse model” on you.
Cell & Microbiology
Oct 15, 2009
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In a landmark study to be published in the journal Nature, scientists have been able to create the first picture of genetic processes that happen inside every cell of our bodies. Using a 3-D visualization method called X-ray ...
Biochemistry
Aug 25, 2010
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The human genome shares several peculiarities with the DNA of just about every other plant and animal. Our genetic blueprint contains numerous entities known as transposons, or "jumping genes," which have the ability to move ...
Biotechnology
Sep 6, 2011
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As a human fetus develops, its heart has to keep pace with the new body's ever-growing demands. Much of this is controlled by following genetic blueprints, but the embryonic heart also matures in response to the intense stresses ...
Optics & Photonics
Oct 31, 2012
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(Phys.org) -- When genetic information is read from the genetic blueprint DNA, RNA polymerase II translates it into RNA molecules. The C-terminal domain, abbreviated as CTD, is an important area of the polymerase molecule. ...
Biotechnology
May 21, 2012
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