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MP3 Guardian science correspondent Ian Sample meets the celebrated cosmologist Max Tegmark to discuss his latest book, Our Mathematical Universe. In an extended interview, Max talks about our scientific understanding of the structure of the …

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Synthetic Circuit Allows Dialing Gene Expression Up or Down in Human Cells (Science Daily)

Submitted by on February 12, 2013 – 1:42 pm

Science Trend – Scientists who built a synthetic gene circuit that allowed for the precise tuning of a gene’s expression in yeast have now refined this new research tool to work in human cells, according to research published online in Nature Communications. “Using this circuit, you can turn a gene from completely off to completely on and anywhere between those two extremes in each cell at once. It’s a nice tool if you want to know what happens at intermediate levels of gene expression. There has been no such system so far, but now it is available for mammalian cell research,” said senior author Gábor Balázsi, Ph.D., associate professor in The University of Texas MD Anderson Cancer Center Department of Systems Biology. … Read more

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