Scientists have long known that control mechanisms known collectively as "epigenetics" play a critical role in human development, but they did not know precisely how alterations in this extra layer of biochemical instructions ...
May 09, 2013
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(Phys.org)—The nucleic acid RNA is an essential part of the critical process by which the cells in our bodies manufacture proteins. But noncoding RNAs also exist whose sequences, while not converted into ...
Nov 21, 2012
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Paleontology, with its rocks and fossils, seems far removed from the world of developmental genetics, with its petri dishes and embryos. Whereas paleontology strives to determine "What happened in evolution?", ...
Nov 07, 2012
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(Phys.org)—In a soundproofed, vibration-stabilized, temperature-controlled room, Stanford biophysicist Steven Block was watching a very small origami project.
Oct 22, 2012
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National University of Singapore (NUS) researchers at the Faculty of Engineering's Department of Bioengineering have discovered a new technology that paves the way for a new safe and non-invasive method of ...
Sep 17, 2012
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(Phys.org)—Gene expression plays a central role in the orchestration of virtually all cellular processes. While inducible promoters have proven invaluable in understanding regulatory networks by modify ...
Sep 03, 2012
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It was long thought that methylation, a crucial part of normal organism development, was a static modification of DNA that could not be altered by environmental conditions. New findings by researchers at the ...
Aug 07, 2012
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Moving genetic elements from one location to another in a genome makes for a very dynamic situation in terms of development and disease. An EU project has investigated a special type of micro transposable ...
Jun 18, 2012
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An international team of researchers headed by ETH-Zurich scientists has demonstrated for the first time how to extract testable hypotheses from a vast amount of different measurement data for cells that are ...
Mar 27, 2012
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A team of geneticists and computational biologists in the UK today reveal how an ancient mechanism is involved in gene control and continues to drive genome evolution. The new study is published in the journal ...
Jan 12, 2012
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As an embryo develops, different genes are turned on in different cells, to form muscles, neurons and other bodily parts. Inside each cell's nucleus, genetic sequences known as enhancers act like remote controls, ...
Jan 09, 2012
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Life is complicated enough, so you can forgive the pioneers of DNA biology for glossing over transcriptional elongation control by RNA polymerase II, the quick and seemingly bulletproof penultimate step in ...
Dec 22, 2011
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When a sperm fertilizes an egg, each contributes a set of chromosomes to the resulting embryo, which at these very early stages is called a zygote. Early on, zygotic genes are inert, so embryonic development is largely controlled ...
Dec 01, 2011
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As countries such as Pakistan, Bangladesh, Vietnam and parts of the United States and United Kingdom have fallen victim to catastrophic flooding in recent years, tolerance of crops to partial or complete submergence ...
Oct 23, 2011
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