Researchers study evolution on the molecular level
The theory of evolution suggests that present-day organisms evolved from earlier life forms.
The theory of evolution suggests that present-day organisms evolved from earlier life forms.
Biochemistry
Dec 13, 2013
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Highlighting an important but unexplored area of evolution, scientists at The Scripps Research Institute (TSRI) have found evidence that, over hundreds of millions of years, an essential protein has evolved chiefly by changing ...
Cell & Microbiology
Sep 29, 2013
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Scientists have sequenced the genomes of nearly 6,900 organisms, but they know the functions of only about half of the protein-coding genes thus far discovered. Now a multidisciplinary effort involving 15 scientists from ...
Cell & Microbiology
Sep 23, 2013
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(Phys.org) —The newest catalytic converters in diesel engines blast away a pollutant from combustion with the help of ammonia. Common in European cars, the engines exhaust harmless nitrogen and water. How they do this hasn't ...
Materials Science
Sep 10, 2013
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University of Adelaide research has produced a potential new antibiotic which could help in the battle against bacterial resistance to antibiotics.
Biochemistry
Jul 3, 2013
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Researchers say they now know what allows some Western corn rootworms to survive crop rotation, a farming practice that once effectively managed the rootworm pests. The answer to the decades-long mystery of rotation-resistant ...
Ecology
Jun 24, 2013
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In the past year a group of synthetic proteins called CRISPR-Cas RNA-guided nucleases (RGNs) have generated great excitement in the scientific community as gene-editing tools. Exploiting a method that some bacteria use to ...
Biotechnology
Jun 23, 2013
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Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechanical ...
Cell & Microbiology
Apr 19, 2013
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(Phys.org) —In the search for new antibiotics, researchers are taking an unusual approach: They are developing peptides, short chains of protein building blocks that effectively inhibit a key enzyme of bacterial metabolism. ...
Biochemistry
Apr 9, 2013
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(Phys.org)—Worldwide, many strains of the bacterium Staphyloccocus aureus, commonly known as staph infections, are already resistant to all antibiotics except vancomycin. But as bacteria are becoming resistant to this once ...
Cell & Microbiology
Jan 30, 2013
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