New research explains how certain traits can pass down from one generation to the next – at least in plants – without following the accepted rules of genetics.
Biotechnology
Mar 26, 2013
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Every time a cell divides it makes a carbon copy of crucial ingredients, including the histone proteins that are responsible for spooling yards of DNA into tight little coils. When these spool-like proteins aren't made correctly, ...
Cell & Microbiology
Mar 24, 2013
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(Phys.org) —Scientists have delved deeper into the evolutionary history of the fruit fly than ever before to reveal the genetic activity that led to the development of wings – a key to the insect's ability to survive.
Plants & Animals
Mar 11, 2013
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New research shows that a tiny piece of RNA has an essential role in ensuring that embryonic tissue segments form properly.
Cell & Microbiology
Mar 11, 2013
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A team of scientists just won a battle in the war against antibiotic-resistant "superbugs"—and only time will tell if their feat is akin to the bacterial "Battle of Gettysburg" that turns the tide toward victory.
Biotechnology
Feb 4, 2013
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For the first time, researchers have been able to see a thought "swim" through the brain of a living fish. The new technology is a useful tool for studies of perception. It might even find use in psychiatric drug discovery, ...
Other
Jan 31, 2013
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(Phys.org)—Epigenetics - the science of how gene activity can be altered without changes in the genetic code - plays a critical role in every aspect of life, from the differentiation of stem cells to the regulation of metabolism ...
Biotechnology
Jan 8, 2013
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Up to ten per cent of the active genes of an organism that has survived 80 million years without sex are foreign, a new study from the University of Cambridge and Imperial College London reveals. The asexual organism, the ...
Biotechnology
Nov 15, 2012
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(Phys.org)—A new way to visualize single-cell activity in living zebrafish embryos has allowed scientists to clarify how cells line up in the right place at the right time to receive signals about the next phase of their ...
Cell & Microbiology
Nov 13, 2012
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Johns Hopkins researchers have succeeded in teaching computers how to identify commonalities in DNA sequences known to regulate gene activity, and to then use those commonalities to predict other regulatory regions throughout ...
Biotechnology
Nov 5, 2012
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