Every cell in an organism's body has the same copy of DNA, yet different cells do different things; for example, some function as brain cells, while others form muscle tissue. How can the same DNA make different things happen? ...
Biotechnology
Jul 10, 2013
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With mutations, it turns out that context can be everything in determining whether or not they are beneficial to their evolutionary fate.
Evolution
Jun 13, 2013
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(Phys.org) —Newcastle University scientists have revealed the mechanism that causes a slime to form, making bacteria hard to shift and resistant to antibiotics.
Biochemistry
Apr 12, 2013
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Fifty years ago, British researcher John Gurdon demonstrated that genetic material from non-reproductive, or somatic, cells could be reprogrammed into an embryonic state when transferred into an egg. In 2006, Kyoto University ...
Cell & Microbiology
Nov 15, 2012
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(Phys.org)—A team of Israeli, French and Swiss biologists have discovered how a strain of the bacterium Halomonas known as GFAJ-1, manages to survive in California's Mono Lake despite arsenic levels that would kill most ...
(Phys.org)—The sorcerer's apprentice started a water-carrying system, but couldn't stop it, and soon he was up to his neck in water, and trouble. Living cells have a better design: When they activate a gene, they have a ...
Cell & Microbiology
Sep 6, 2012
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Understanding how RNA binding proteins control the genetic splicing code is fundamental to human biology and disease – much like editing film can change a movie scene. Abnormal variations in splicing are often implicated ...
Biotechnology
Feb 16, 2012
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In research on the never-ending war between pathogen and host, scientists at the Pasteur Institute in Paris have discovered a novel defensive weapon, a cytoskeletal protein called septin, that humans cells deploy to cage ...
Cell & Microbiology
Dec 4, 2011
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They can be found everywhere -- organized communities of bacteria sticking to surfaces both inside and outside the body. These biofilms are responsible for some of the most virulent, antibiotic-resistant infections in humans; ...
Cell & Microbiology
Jun 24, 2011
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Using a tiny bloodless worm, University of Maryland Associate Professor Iqbal Hamza and his team have discovered a large piece in the puzzle of how humans, and other organisms safely move iron around in the body. The findings, ...
Cell & Microbiology
May 26, 2011
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