In parallel with modern man (Homo sapiens), there were other, extinct types of humans with whom we lived side by side, such as Neanderthals and the recently discovered Denisovans of Siberia. Yet only Homo sapiens survived. ...
Evolution
Apr 22, 2014
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Whitehead Institute researchers have used the gene regulation system CRISPR/Cas to engineer mouse genomes containing reporter and conditional alleles in one step. Animals containing such sophisticated engineered alleles can ...
Cell & Microbiology
Aug 29, 2013
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Out of the estimated 23,000 or more genes in the human genome, about 100 of them will differ—they will be present or not—between any two individuals. Genes lost or gained over time result from evolution and adaptation, ...
Biotechnology
Aug 9, 2013
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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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In nearly every organism's genome, scattered between genes that encode proteins, long regulatory regions stretch across expanses of DNA. Understanding what role these so-called enhancer regions play in controlling the activation ...
Biotechnology
Jul 1, 2013
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A new study challenges the orthodoxy of microbiology that in response to environmental changes, bacterial genes will boost production of needed proteins and decrease production of those that aren't. Researchers with the U.S. ...
Cell & Microbiology
Jun 19, 2013
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Researchers at the Institute of Biotechnology at the Helsinki University and the Universitat Autònoma de Barcelona (UAB) have developed the first three-dimensional simulation of the evolution of morphology by integrating ...
Evolution
May 2, 2013
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RNA, once considered a bit player in the grand scheme by which genes encode protein, is increasingly seen to have a major role in human genetics. In a study presented in the April 25 issue of the journal Cell, researchers ...
Cell & Microbiology
May 1, 2013
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(Phys.org) —New research reveals that pure gold nanoparticles found in everyday items such as personal care products, as well as drug delivery, MRI contrast agents and solar cells can inhibit adipose (fat) storage and lead ...
Bio & Medicine
Apr 18, 2013
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(Phys.org) —An international team of scientists headed by Wageningen University, The Netherlands, has discovered a genetic mechanism which allows potato plants to develop tubers during the long days of spring and summer ...
Biotechnology
Mar 6, 2013
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