RNA molecules, made from DNA, are best known for their role in protein production. MicroRNAs (miRNAs), however, are short (~22) nucleotide RNA sequences found in plants and animals that do not encode proteins but act in gene ...
Cell & Microbiology
Apr 25, 2013
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Circadian rhythms keep time for all living things, from regulating when plants open their flowers to foiling people when they try to beat jet lag. Day-night cycles are controlled through ancient biological mechanisms, evolutionarily ...
Cell & Microbiology
Apr 11, 2013
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(Phys.org) —Variations in nutrient availability in the world's oceans could be a vital component of future environmental change, according to a multi-author review paper involving the National Oceanography Centre, Southampton ...
Earth Sciences
Apr 10, 2013
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Taking an approach similar to that used for discovering new therapeutic drugs, chemists at the University of California, Davis, have found several compounds that can boost oil production by green microscopic algae, a potential ...
Biotechnology
Apr 8, 2013
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(Phys.org) —The Southern Ocean could absorb relatively less carbon dioxide in future if the global temperatures continue to rise as a result of human activities, as climate researchers from ETH Zurich demonstrate based ...
Earth Sciences
Mar 28, 2013
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In a laboratory study pairing food chemistry and cancer biology, scientists at the Johns Hopkins Kimmel Cancer Center tested the potentially harmful effect of foods and flavorings on the DNA of cells. They found that liquid ...
Biochemistry
Mar 27, 2013
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The biological sources of methane are wide-ranging; however, the conditions have to be always oxygen-free. Archaebacteria release the potent greenhouse gas in rice fields, mires and cows' stomachs, for example. A team of ...
Biochemistry
Mar 21, 2013
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In about a third of the global ocean, the abundance of life is limited by a dearth of biologically available iron. The supply of iron to a region that is depleted in this important nutrient can stimulate algal productivity, ...
Earth Sciences
Mar 12, 2013
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It may be better to tolerate lower oil content in algae grown for biodiesel to boost growth and overall productivity, says research from the University of Sheffield.
Biotechnology
Mar 11, 2013
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Scientists at UC San Francisco have found a more precise way to turn off genes, a finding that will speed research discoveries and biotech advances and may eventually prove useful in reprogramming cells to regenerate organs ...
Biotechnology
Mar 7, 2013
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