Ancient teeth bacteria record disease evolution
DNA preserved in calcified bacteria on the teeth of ancient human skeletons has shed light on the health consequences of the evolving diet and behaviour from the Stone Age to the modern day.
DNA preserved in calcified bacteria on the teeth of ancient human skeletons has shed light on the health consequences of the evolving diet and behaviour from the Stone Age to the modern day.
Archaeology
Feb 17, 2013
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MIT engineers have created genetic circuits in bacterial cells that not only perform logic functions, but also remember the results, which are encoded in the cell's DNA and passed on for dozens of generations.
Biotechnology
Feb 11, 2013
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When a pathogen attacks a plant, infection usually follows after the plant's immune system is compromised. A team of researchers at the University of California, Riverside focused on Phytophthora, the pathogen that triggered ...
Biotechnology
Feb 6, 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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A team of plant geneticists at Cold Spring Harbor Laboratory (CSHL) has successfully demonstrated what it describes as a "simple hypothesis" for making significant increases in yields for the maize plant.
Biotechnology
Feb 3, 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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In a scientific breakthrough that promises improved grain yields and quality, greater drought tolerance and disease resistance, and enhanced genetic diversity, a global research team has completed high-quality sequencing ...
Biotechnology
Jan 28, 2013
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(Phys.org)—As rapid economic expansion continues to shape the Asian landscape on which many species depend, time is running out for conservationists aiming to save wildlife such as tigers and leopards. Scientists at the ...
Ecology
Jan 16, 2013
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An international research consortium, led by Fujian Agriculture, Forestry University (FAFU) and BGI, has completed the first genome sequence of the diamondback moth (DBM), the most destructive pest of brassica crops. This ...
Biotechnology
Jan 13, 2013
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Two years of painstaking observation on the social interactions of a troop of free-ranging monkeys and an analysis of their family trees has found signs of natural selection affecting the behavior of the descendants.
Plants & Animals
Jan 9, 2013
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