How does variation in genes generate the beautiful diversity of animal body shapes that fill the world? UCSD Biologist William mcginnis explains that all animals, whether fish, fowl, or fly, share similar architectural control genes called Homeobox genes. The discovery and study of these genes has led to an understanding of how subtle changes in Homeobox genes can lead to changes in animal form du…
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This video discusses what is currently known about the role of genes verses the environment in causing autism. Through the use of twin studies, population studies and linkage disequilibrium (gene mapping) science has finally uncovered the underlying cause of autism, and has given us new insights into the underlying biology. This is a temporary video description – check back in a few days for the l…
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Seminar given by Dr Simone Rödder at the ESRC Genomics Forum on 26 March 2009 on ‘ Genome Researchers in the Public Sphere’. Simone is a postdoc at the Institute for Science and Technology Studies (IWT) at the University of Bielefeld and a visiting research fellow at the Genomics Forum from February to April 2009. Scientists are increasingly facing expectations to address audiences other than the…
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Authors: Presgraves, D. C.
Journal: Nat Rev Genet
All plant and animal species arise by speciation - the evolutionary splitting of one species into two reproductively incompatible species. But until recently our understanding of the molecular genetic details of speciation was slow in coming and largely limited to Drosophila species. Here, I review progress in determining the molecular identities and evolutionary histories of several new 'speciation genes' that cause hybrid dysfunction between species of yeast, flies, mice and plants. The new work suggests that, surprisingly, the first steps in the evolution of hybrid dysfunction are not necessarily adaptive.
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Your daily report on small cap stocks to watch for Thursday, March 4, 2010. Mitek Systems’ Mobile Deposit application is put to work by NetDeposit. Viper……
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A re-editted version of the original, for accuracy. The last version wasn’t my best quality; I like to provide you guys with accurate information and videos that are worth your time. I rushed the script originally and half assed the first half of the actual video production, 1) because of time and wanting to get it done after procrastinating so long, and 2) my wrist was killing me. I messed up som…
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I have to write a paper on an issue in the movie Gattaca. I’m writing about predjudice between an artificially selected child and a naturally born child, but I need to find an article about artificial selection to use for my paper.
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Authors: Hyduke, D. R. - Palsson, B. O.
Journal: Nat Rev Genet
Biological signalling networks allow living organisms to issue an integrated response to current conditions and make limited predictions about future environmental changes. Small-scale dynamic models of signalling cascades, including mitogen-activated protein kinase cascades, have been developed to generate hypotheses about signal transduction. Owing to technical limitations, these models and the hypotheses they generate have focused on a limited subset of signalling molecules. Now that we can simultaneously measure a substantial portion of the molecular components of a cell, we can begin to develop and test systems-level models of cellular signalling and regulatory processes, therefore gaining insights into the 'thought' processes of a cell.
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