Excessive exposure to ultraviolet (UV) radiation of sunlight can result in skin damage and may even induce skin cancers. Irradiation with UV light causes mutations in the DNA, which can interfere with or even inhibit the ...
Biochemistry
Nov 28, 2011
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Scientists have long held theories about the importance of proteins called B-type lamins in the process of embryonic stem cells replicating and differentiating into different varieties of cells. New research from a team led ...
Cell & Microbiology
Nov 24, 2011
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Using yeast as a model, a team of Spanish researchers has made predictions about how individuals differ from one another by analysing genome sequences.
Biotechnology
Nov 17, 2011
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Researchers at NYU School of Medicine have discovered the cellular mechanisms that normally generate chromosomal breaks in bacteria such as E. coli. The study's findings are published in the August 18 issue of the journal ...
Cell & Microbiology
Aug 18, 2011
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The popular belief among scientists that certain sequences of DNA are relatively unimportant in the evolutionary process has been turned on its head by two Murdoch University researchers.
Biotechnology
Jul 14, 2011
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Just like plants and animals, bacteria have a range of defence mechanisms against viruses and other threats. Dutch researchers at the Wageningen Laboratory for Microbiology and their American and Russian colleagues have largely ...
Cell & Microbiology
Jun 24, 2011
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Advanced crafting of stone spearheads contributed to the development of new ways of human thinking and behaving.
Archaeology
Jun 21, 2011
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Small genetic mutations that add up over time could create an evolutionary express lane that leads to the rapid development of new traits, researchers from the University of Pittsburgh and the University of Wisconsin at Madison ...
Biotechnology
Jun 15, 2011
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For the first time, scientists have used large-scale DNA sequencing data to investigate a long-standing evolutionary assumption: DNA mutation rates are influenced by a set of species-specific life-history traits. These traits ...
Evolution
Jun 13, 2011
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Mutations of DNA that lead to one base being replaced by another don't have to happen as single, independent events in humans and other eukaryotes, a group of Indiana University Bloomington biologists has learned after surveying ...
Biotechnology
Jun 2, 2011
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