Minor mutations can lead to big improvements in antibiotic resistance
Rice University scientists have found that mutations of small effect can turn out to be game changers in the bacterial fight against antibiotic drugs.
Rice University scientists have found that mutations of small effect can turn out to be game changers in the bacterial fight against antibiotic drugs.
Cell & Microbiology
Jan 9, 2013
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(Phys.org)—A simple, precise and inexpensive method for cutting DNA to insert genes into human cells could transform genetic medicine, making routine what now are expensive, complicated and rare procedures for replacing ...
Biotechnology
Jan 8, 2013
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(Phys.org)—Researchers at the Carnegie Institution have discovered a new efficient way to pump heat using crystals. The crystals can pump or extract heat, even on the nanoscale, so they could be used on computer chips to ...
General Physics
Nov 5, 2012
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In a critical breakthrough in unraveling how molecular "motors" ferry proteins and nutrients through cells, Harvard scientists have produced high-resolution images that show how the "foot" of dynein—one of the most complex, ...
Cell & Microbiology
Oct 23, 2012
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Salk scientists have identified a unique molecular signature in induced pluripotent stem cells (iPSCs), "reprogrammed" cells that show great promise in regenerative medicine thanks to their ability to generate a range of ...
Cell & Microbiology
Sep 19, 2012
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(Phys.org)—A novel set of custom-designed "molecular beacons" allows scientists to monitor gene expression in living populations of stem cells as they turn into a specific tissue in real-time. The technology, which Brown ...
Cell & Microbiology
Sep 11, 2012
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(Phys.org)—Scientists at North Carolina State University have discovered a phenomenon never seen before in plants while studying molecular changes inside tree cells as wood is formed.
Biotechnology
Aug 23, 2012
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In classical mythology, the cypress tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers, and a new study of their evolution affords a ...
Plants & Animals
May 3, 2012
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(PhysOrg.com) -- Three-spine sticklebacks aren't as pretty as many aquarium fish, and anglers don't fantasize about hooking one. But biologists treasure these small fish for what they are revealing about the genetic changes ...
Biotechnology
Apr 4, 2012
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(PhysOrg.com) -- Cornell researchers have peered into the complex molecular network of receptors that give one-celled organisms like bacteria the ability to sense their environment and respond to chemical changes as small ...
Cell & Microbiology
Feb 20, 2012
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