Current thinking on how the Toxoplasma gondii parasite invades its host is incorrect, according to a study published today in Nature Methods describing a new technique to knock out genes. The findings coul ...
Dec 23, 2012
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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 ...
Jan 08, 2013
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Vertebrates' transition to living on land, instead of only in water, represented a major event in the history of life. Now, researchers reporting in the December issue of the journal Developmental Cell provid ...
Dec 10, 2012
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The mysterious inner workings of Chang Shan—a Chinese herbal medicine used for thousands of years to treat fevers associated with malaria—have been uncovered thanks to a high-resolution structure solved ...
Dec 23, 2012
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Long segments of RNA—encoded in our DNA but not translated into protein—are key to physically manipulating DNA in order to activate certain genes, say researchers at The Wistar Institute. These non-coding RNA-activators ...
Feb 17, 2013
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A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down the growth of new cells, Johns Hopkins researchers report. Their discovery ...
Feb 22, 2013
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Humans share over 90% of their DNA with their primate cousins. The expression or activity patterns of genes differ across species in ways that help explain each species' distinct biology and behavior.
Nov 06, 2012
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(Phys.org)—A University of Michigan biophysical chemist and his colleagues have discovered the smallest and fastest-known molecular switches made of RNA, the chemical cousin of DNA. The researchers say ...
Oct 07, 2012
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(Phys.org)—Like job-seekers searching for a new position, living things sometimes have to pick up a new skill if they are going to succeed. Researchers from the University of California, Davis, and Uppsala University, Sweden, ...
Oct 22, 2012
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Chromosomes - long, linear DNA molecules – are capped at their ends with special DNA structures called telomeres and an assortment of proteins, which together act as a protective sheath. Telomeres are maintained through ...
Nov 21, 2012
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Berkeley Lab and UC Berkeley researchers have discovered that the transcription factor protein TFIID coexists in two distinct structural states, a key to genetic expression and TFIID's ability to initiate ...
Jan 17, 2013
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Scientists at the Salk Institute for Biological Studies have identified patterns of epigenomic diversity that not only allow plants to adapt to various environments, but could also benefit crop production ...
Mar 06, 2013
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(Phys.org)—Horseshoe crabs, including the iconic Limulus we know today, have existed for more than 450 million years. Over that long history, evolutionary change has particularly affected the nature of ...
Sep 11, 2012
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