News tagged with genetic switch
Before animals first walked on land, fish carried gene program for limbs
Genetic instructions for developing limbs and digits were present in primitive fish millions of years before their descendants first crawled on to land, researchers have discovered.
Jul 11, 2011 |
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A mystery solved: How genes are selectively silenced
Cells read only those genes which are needed at a given moment, while the others are chemically labeled and, thus, selectively turned off. Scientists at the German Cancer Research Center have now been the first to discover ...
Oct 18, 2010 |
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Study provides insight into evolution of first flowers
(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.
May 18, 2009 |
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Researchers use light to switch on gene expression
Imagine being able to control genetic expression by flipping a light switch. Researchers at North Carolina State University are using light-activated molecules to turn gene expression on and off. Their method enables greater ...
May 10, 2012 |
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Collective action: Occupied genetic switches hold clues to cells' history
If you wanted to draw your family tree, you could start by searching for people who share your surname. Cells, of course, don't have surnames, but scientists at the European Molecular Biology Laboratory (EMBL) ...
Feb 03, 2012 |
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How the fly flies: Scientists discover gene switch responsible for flight muscle formation
Flies are real flight artists, although they only have small wings compared to their body size. Scientists at the Max Planck Institute of Biochemistry in Martinsried near Munich, Germany, recently identified ...
Nov 17, 2011 |
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How hemp got high: Canadian scientists map the cannabis genome
A team of Canadian researchers has sequenced the genome of Cannabis sativa, the plant that produces both industrial hemp and marijuana, and in the process revealed the genetic changes that led to the plant's drug-producing proper ...
Oct 19, 2011 |
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Embryo development obeys the laws of hydrodynamics
Vincent Fleury, a researcher at the Paris Diderot University, studied the early stage of development when embryonic cells first form a flat sheet of cells before folding into a U-shape, resembling a folded ...
Aug 18, 2011 |
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'Supergene' is key to copycat butterflies
Since Charles Darwin, biologists have pondered the mystery of "mimicry butterflies", which survive by copying the wing patterns of other butterflies that taste horrible to their predators, birds.
Aug 12, 2011 |
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Plant hormone auxin triggers a genetic switch
(PhysOrg.com) -- During the development of organisms, a particular event repeatedly occurs: a signal appears temporarily, but the processes it triggers must be maintained – for example, when the fate ...
Apr 18, 2011 |
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Scientists unlock one mystery of tissue regeneration
Researchers at the University of Rochester have now identified a genetic switch that controls oxidative stress in stem cells and thus governs stem cell function.
Feb 03, 2011 |
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Frozen flies may yield secrets for human organ transplants
When kitchens become infiltrated with fruit flies, especially during the dog days of summer, homeowners might wish that the flying pests would just turn to ice.
Aug 19, 2010 |
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The first malaria-proof mosquito
For years, researchers worldwide have attempted to create genetically altered mosquitoes that cannot infect humans with malaria. Those efforts fell short because the mosquitoes still were capable of transmitting ...
Jul 15, 2010 |
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Scientists achieve first rewire of genetic switches
Researchers in Manchester have successfully carried out the first rewire of genetic switches, creating what could be a vital tool for the development of new drugs and even future gene therapies.
Medicine & Health / Medical research
Jan 25, 2010 |
3 / 5 (2) |
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To regenerate muscle, cellular garbage men must become builders
For scientists at the European Molecular Biology Laboratory in Monterotondo, Italy, what seemed like a disappointing result turned out to be an important discovery. Their findings, published online this week ...
Medicine & Health / Medical research
Sep 22, 2009 |
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