Researchers have devised a nanoscale sensor to electronically read the sequence of a single DNA molecule, a technique that is fast and inexpensive and could make DNA sequencing widely available.
Bio & Medicine
Mar 26, 2012
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In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light. They are diurnal, hunting during the day, and are known to move, looping end over end, or contract, in response to light. ...
Plants & Animals
Mar 4, 2012
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A novel technique has been developed and demonstrated at Penn State University to map the proteins that read and regulate chromosomes -- the string-like structures inside cells that carry genes. The specific order in which ...
Cell & Microbiology
Jan 18, 2012
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Scientists from the Florida campus of The Scripps Research Institute have identified a compound that can help repair a specific type of defect in RNA, a type of genetic material. The methods in the new study could accelerate ...
Biochemistry
Jan 18, 2012
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The future brightened for organic chemistry when researchers at Rice University found a highly controllable way to attach organic molecules to pristine graphene, making the miracle material suitable for a range of new applications.
Nanomaterials
Nov 29, 2011
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(PhysOrg.com) -- To make proteins, cells assemble long chains of amino acids, based on genetic instructions from DNA. That construction takes place in a tiny cellular structure called a ribosome, to which amino acids are ...
Cell & Microbiology
Nov 11, 2011
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In a new study, Chen-Yu Zhang's group at Nanjing university present a rather striking finding that plant miRNAs could make into the host blood and tissues via the route of food-intake. Moreover, once inside the host, they ...
Cell & Microbiology
Sep 19, 2011
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The largest publicly available genomewide association mapping study in rice to date has found that although the five subpopulations of Asian rice -- indica, aus, temperate japonica, aromatic and tropical japonica -- all belong ...
Biotechnology
Sep 15, 2011
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The study on single-nucleotide resolution structural variations (SVs) of an Asian and African genome was published online in Nature Biotechnology. This study was performed by BGI (previously known as the Beijing Genomics ...
Biotechnology
Jul 25, 2011
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(PhysOrg.com) -- Nobody knows quite how life originated on Earth, but most scientists agree that living cells did not abruptly appear from nonliving cells in a single step. Instead, there were probably a series of pre-cellular ...
