News tagged with mutated genes
Single gene mutation can sweep through bacterial population, opening the door for the concept of 'species'
Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential ...
Apr 05, 2012 |
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Genetic difference in staph offers clues as to why some patients get infections from cardiac implants
New research suggests that some patients develop a potentially deadly blood infection from their implanted cardiac devices because bacterial cells in their bodies have gene mutations that allow them to stick ...
Oct 24, 2011 |
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Study shows evolutionary adaptations can be reversed, but rarely
(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.
May 11, 2011 |
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New genetic study helps to solve Darwin's mystery about the ancient evolution of flowering plants
(PhysOrg.com) -- The evolution and diversification of the more than 300,000 living species of flowering plants may have been "jump started" much earlier than previously calculated, a new study indicates. According ...
Apr 10, 2011 |
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Research uncovers new exception to decades-old rule about RNA splicing
There are always exceptions to a rule, even one that has prevailed for more than three decades, as demonstrated by a Cold Spring Harbor Laboratory (CSHL) study on RNA splicing, a cellular editing process. The rule-flaunting ...
May 17, 2012 |
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A matter of priorities: Bacteria evolved way to safeguard crucial genetic material
Just as banks store away only the most valuable possessions in the most secure safes, cells prioritise which genes they guard most closely, researchers at the European Molecular Biology Laboratory’s European ...
Apr 23, 2012 |
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Biologists predict extinction for organisms with poor quality genes
Evolutionary biologists at the University of Toronto have found that individuals with low-quality genes may produce offspring with even more inferior chromosomes, possibly leading to the extinction of certain ...
Apr 16, 2012 |
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Slow snails, fast genes: Predatory snails refine venoms through continuous gene duplication
(Phys.org) -- When tropical marine cone snails sink their harpoon-like teeth into their prey, they inject paralyzing venoms made from a potent mix of more than 100 different neurotoxins.
Apr 10, 2012 |
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Scientists reveal genetic mutation depicted in van Gogh's sunflower paintings
In addition to being among his most vibrant and celebrated works, Vincent van Gogh's series of sunflower paintings also depict a mutation whose genetic basis has, until now, been a bit of a mystery.
Mar 29, 2012 |
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An 'immortal' devil's genome and the secrets of a cancer that's catching
Researchers reporting in the February 17th issue of the Cell Press journal Cell have sequenced the complete genome of one immortal devil. The genomes of the Tasmanian devil and its transmissible cancer may he ...
Feb 16, 2012 |
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Chaos in the cell's command center
A defective operating system is never a good thing. Like computers, our cells depend on operating systems to drive normal functions. Gene expression programs comprise the software code our cells rely on, with each cell type ...
Feb 01, 2012 |
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Method identifies mutations that drive genetic diseases
(PhysOrg.com) -- For the first time, a new computational method allows researchers to identify which specific molecular mechanisms are altered by genetic mutations in proteins that lead to disease. And they ...
Jan 19, 2012 |
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Worms can evolve to survive intersex populations
(PhysOrg.com) -- Sexually reproducing species need at least two sexes in order to produce offspring, but there are many ways that nature produces different sexes. Many animals (including humans and other mammals) ...
Dec 06, 2011 |
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Surprise role of nuclear structure protein in development
Scientists have long held theories about the importance of proteins called B-type lamins in the process of embryonic stem cells replicating and differentiating into different varieties of cells. New research from a team led ...
Nov 24, 2011 |
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Mutants with heterozygote disadvantage can prevent spread of transgenic animals
Genetically modified animals are designed to contain the spread of pathogens. One prerequisite for the release of such organisms into the environment is that the new gene variant does not spread uncontrollably, ...
Nov 21, 2011 |
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