News tagged with molecular biology and evolution
Cradle and birthday of dog identified
Sep 01, 2009 |
4.3 / 5 (3) |
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Previous studies in the field have indicated that East Asia is where the wolf was tamed and became the dog. It was not possible to be more precise than that. But now researchers at the Royal Institute of Technology ...
Native Americans descended from a single ancestral group, DNA study confirms
Apr 29, 2009 |
4.6 / 5 (16) |
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For two decades, researchers have been using a growing volume of genetic data to debate whether ancestors of Native Americans emigrated to the New World in one wave or successive waves, or from one ancestral ...
Catching the common cold virus genome
Mar 16, 2009 |
3 / 5 (1) |
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A new study by Brigham Young University researchers on the virus behind nearly half of all cold infections explains how and where evolution occurs in the rhinovirus genome and what this means for possible vaccines.
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Muscling in on a mystery protein: Study of brawny pigs reveals key player in the genome
Dec 15, 2009 |
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(PhysOrg.com) -- For thousands of years, humans have bred pigs for desirable traits, such as more muscle and less fat in the meat. Domestication makes animals ideal models for studying how genes control physical ...
Bacterial protein mimics its host to disable a key enzyme (w/ Video)
Dec 11, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Bacteria use all sorts of cunning to trick hosts into doing their bidding. One con in their bag of tricks: the molecular mimic. In this ruse, bacteria or their agents look for all purposes like some native ...
Researchers discover a way to strengthen proteins
Dec 10, 2009 |
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Proteins, which perform such vital roles in our bodies as building and maintaining tissues and regulating cellular processes, are a finicky lot. In order to work properly, they must be folded just so, yet many proteins readily ...
Study reveals H1N1 unexpected weakness
Dec 10, 2009 |
4.8 / 5 (19) |
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The H1N1 influenza virus has been keeping a secret that may be the key to defeating it and other flu viruses as well.
Researchers uncover chemical basis for extra 'quality control' in protein production
Dec 09, 2009 |
5 / 5 (1) |
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December 9, 2009 -Even small errors made by cells during protein production can have profound disease effects, and nature has developed ways to uncover these mistakes and correct them. Though in the case of one essential ...
Precision breeding creates super potato
Dec 08, 2009 |
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The skin is light brown, the meat luscious and yellow: from the outside alone, this new potato looks like any other. But on the inside, it is different. Its cells produce pure amylopectin, a starch used in ...
Golden Oldie: Key Role for Ancient Protein in Algae Photosynthesis
Nov 27, 2009 |
3.3 / 5 (3) |
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The discovery that an ancient light harvesting protein plays a pivotal role in the photosynthesis of green algae should help the effort to develop algae as a biofuels feedstock. Researchers with the Lawrence ...
First-ever blueprint of a minimal cell is more complex than expected
Nov 26, 2009 |
4.9 / 5 (20) |
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What are the bare essentials of life, the indispensable ingredients required to produce a cell that can survive on its own? Can we describe the molecular anatomy of a cell, and understand how an entire organism ...
Polyphenols and polyunsaturated fatty acids boost the birth of new neurons
Nov 24, 2009 |
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Universitat Autňnoma de Barcelona (UAB, Spain) researchers have confirmed that a diet rich in polyphenols and polyunsaturated fatty acids, patented as an LMN diet, helps boost the production of the brain's stem cells ...
Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)
Nov 20, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...
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