Researchers have created a model that may explain the complexities of the origins of life. Their work, which appears in the Journal of the Royal Society Interface, offers new insights into how RNA signaling likely developed ...
Biotechnology
Aug 28, 2013
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(Phys.org) —Transposons are DNA elements that can multiply and change their location within an organism's genome. Discovered in the 1940s, for years they were thought to be unimportant and were called "junk DNA." Also ...
Biotechnology
Aug 15, 2013
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RNA editing gives organisms a way to adapt the instructions that their DNA provides for making proteins. Few people would have described RNA editing as a simple process, but a new paper in Nature Communications demonstrates ...
Biotechnology
Aug 1, 2013
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(Phys.org) —Despite advances made in the fields of DNA sequencing and analysis, researchers have barely begun to scratch the tip of the iceberg in cataloging the planet's microbial diversity, mainly because only a minute ...
Cell & Microbiology
Jul 4, 2013
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Scientists at the University of California, Santa Cruz, have trapped the ribosome, a protein-building molecular machine essential to all life, in a key transitional state that has long eluded researchers. Now, for the first ...
Cell & Microbiology
Jun 27, 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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Roughly six feet of DNA are packed into every human cell, so it is not surprising that our genetic material occasionally folds into odd shapes such as hairpins, crosses and clover leafs. But these structures can block the ...
Cell & Microbiology
Jun 3, 2013
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(Phys.org) —Using only biomolecules (such as DNA and enzymes), scientists at the Technion-Israel Institute of Technology have developed and constructed an advanced biological transducer, a computing machine capable of manipulating ...
Biochemistry
May 24, 2013
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Swedish scientists have mapped the gene sequence of Norway spruce (the Christmas tree) – a species with huge economic and ecological importance - and that is the largest genome to have ever been mapped. The genome is complex ...
Biotechnology
May 22, 2013
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Biologists have known for a long time that some creatures evolve more quickly than others. Exactly why isn't well understood, particularly for plants. But it may be that height plays a role, says Robert Lanfear of Australian ...
Evolution
May 21, 2013
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