Since the first reports of successful cloning of mammals by somatic cell nuclear transfer, concerns have been raised about the efficiency and repeatability of cloning techniques, and the health of cloned ...
Apr 01, 2013
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Bacteria appear to speed up their evolution by positioning specific genes along the route of expected traffic jams in DNA encoding. Certain genes are in prime collision paths for the moving molecular machineries ...
Mar 29, 2013
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Scientists are trying to engineer apples so that the most widely consumed fruit in Europe no longer triggers allergic reactions. But would people want to eat them?
Mar 19, 2013
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Normal development and function in multicellular organisms relies on tight control of cell growth, yet surprisingly little is known about how such control is achieved. Although some promoters of growth have ...
Mar 15, 2013
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Modern medicine is largely based on treating patients with "small-molecule" drugs, which include pain relievers like aspirin and antibiotics such as penicillin.
Mar 11, 2013
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According to his theory, bacteria that are non-resistant to antibiotics acquire said resistance accidentally because they take up the DNA of others that are resistant, due to the stress to which they are ...
Mar 07, 2013
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Isolation of DNA from some organisms is a routine procedure. For example, you can buy a kit at your local pharmacy or grocery store that allows you to swab the inside of your cheek and send the sample for DNA sequencing. ...
Mar 05, 2013
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Mitochondria, which are probably derived from distant bacterial ancestors incorporated into our cells, have their own DNA. However, we know little about how these organelles, which convert oxygen and consumed nutrients into ...
Mar 05, 2013
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If a genome is the blueprint for life, then the chief architects are tiny slices of genetic material that orchestrate how we are assembled and function, Yale School of Medicine researchers report Feb. 21 in the journal Developmental Ce ...
Feb 21, 2013
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Taxonomy – the discipline that defines and names groups of organisms – is a field of science that still employs many of the methods used during the beginnings of the discipline in the 18th century. Despite ...
Feb 04, 2013
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Two articles published in F1000Research support controversial claims that could redefine what we know about Mendelian inheritance in single Arabidopsis thaliana plants.
Feb 04, 2013
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In the last decade, a new strain of MRSA has emerged that can spread beyond hospital walls, putting everyone at risk of contracting the dangerous bacterial infection. This particular strain of MRSA – known ...
Jan 31, 2013
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(Phys.org)—Transposable elements are mobile strands of DNA that insert themselves into chromosomes with mostly harmful consequences. Cells try to keep them locked down, but in a new study, Brown University ...
Jan 30, 2013
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To ensure that the genetic material is equally and accurately distributed to the two daughter cells during cell division, the DNA fibers must have an ordered structure and be closely packed. At the Max Planck ...
Jan 28, 2013
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