News tagged with genetic instructions
Scientists Are First To Observe The Global Motions Of An Enzyme Copyinng DNA
Oct 27, 2009 |
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(PhysOrg.com) -- Scientists here have identified how the motions of an enzyme are related to correctly copying genetic instructions, setting the stage for studies that can uncover what happens when DNA copying ...
Ancient fossils shed light on anatomical changes accompanying evolution of first land vertebrates
Other Sciences / Archaeology & Fossils
Jul 06, 2009 |
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Cartoon depictions of the first animals to emerge from the ocean and walk on land often show a simple fish with feet, venturing from water to land. But according to Jennifer Clack, a paleontologist at the ...
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Meet DNA's personal assistants
May 07, 2009 |
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Just as scientists finished sequencing the human genome, they got a new surprise. Inside the genetic pathway, where DNA produces proteins to sustain life, they found microRNA. These tiny ubiquitous molecules have opened a ...
Molecular machine turns packaged messenger RNA into a linear transcript
Biology /
Feb 11, 2009 |
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For RNA, the gateway to a productive life outside the nucleus is the nuclear pore complex, an amalgamation of 30 kinds of proteins that regulates all traffic passing through the nuclear membrane. New research from Rockefeller ...
Scientists discover how 'companion' cells to sperm protect them from genetic damage
Biology /
Feb 05, 2009 |
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In plant pollen grains, sperm cells, which carry the genetic material to be passed on to progeny, are cocooned within larger "companion" cells that are called pollen vegetative cells. These companions provide sperm with ...
Plant Scientists Develop New Cell-Sorting Technique
Biology /
Jun 04, 2008 |
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A new cell-sorting technique developed by University of Arizona plant scientists has the potential to enhance our understanding of how cells of all types work – or, in the case of diseases such as cancer, how they fail to ...
Study provides insight into evolution of first flowers
May 18, 2009 |
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(PhysOrg.com) -- Charles Darwin described the sudden origin of flowering plants about 130 million years ago as an abominable mystery, one that scientists have yet to solve.
Genetic link to heart failure
Dec 15, 2009 |
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A team of researchers, at Washington University School of Medicine, St Louis, has identified a group of 12 genetic variants in the HSPB7 gene that is associated with heart failure in humans.
Bacteria pack their own demise
Jul 30, 2009 |
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Numerous pathogens contain an 'internal time bomb', a deadly mechanism that can be used against them. After years of work, VIB researchers at the Vrije Universiteit Brussel (VUB) were able to determine the structure and operating ...
Novel polymer delivers genetic medicine, allows tracking
Oct 06, 2009 |
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Theresa M. Reineke, associate professor of chemistry in the College of Science, and colleagues in her lab at Virginia Tech and at the University of Cincinnati have developed a new molecule that can travel ...
Standards for a New Genomic Era
Oct 21, 2009 |
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(PhysOrg.com) -- A team of geneticists at Los Alamos National Laboratory, together with a consortium of international researchers, has recently proposed a set of standards designed to elucidate the quality of publicly available ...
Toronto Research Uncovers Genetic Instructions To Build Life
Aug 30, 2005 |
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Life at its most basic level - millions of chemical building blocks holding hereditary information - is controlled by genetic instructions, or genes, responsible for healthy development and protection against disease. By ...
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