News tagged with jumping genes
'Jumping genes' create antibiotic resistance in bacteria
Aug 20, 2009 |
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(PhysOrg.com) -- A small piece of foreign DNA recognizes when and where to slip into a bacterium's genetic code, allowing bacteria to genetically adapt to their environment -- and develop resistance to antibiotics, ...
Jumping genes discovery 'challenges current assumptions'
Jun 12, 2009 |
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Jumping genes do most of their jumping, not during the development of sperm and egg cells, but during the development of the embryo itself. The research, published this month in Genes and Development, "challenges standard assump ...
New data suggest 'jumping genes' play a significant role in gene regulatory networks
Biology /
Feb 14, 2009 |
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Research performed in the Center for Biomolecular Science & Engineering (CBSE) at the University of California, Santa Cruz, suggests that mobile repetitive elements--also known as transposons or "jumping genes"--do indeed ...
Maelstrom quashes jumping genes
Aug 11, 2008 |
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Scientists have known for decades that certain genes (called transposons) can jump around the genome in an individual cell. This activity can be dangerous, however, especially when it arises in cells that produce eggs and ...
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'Jumping genes' could make for safer gene delivery system
Biology /
Sep 26, 2007 |
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To move a gene from point A to point B, scientists and gene therapists have two proven options: a virus, which can effectively ferry genes of interest into cells, and a plasmid, an engineered loop of DNA that can do the same ...
On the move: 'Jumping genes' create diversity in human brain cells
Aug 05, 2009 |
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Rather than sticking to a single DNA script, human brain cells harbor astonishing genomic variability, according to scientists at the Salk Institute for Biological Studies. The findings, to be published in ...
Imitating monkey's 'jumping genes' could lead to new treatments for HIV
Medicine & Health / HIV & AIDS
Feb 18, 2008 |
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UCL (University College London) scientists have taken a significant step in understanding how retroviruses such as HIV can move between species and the biological mechanisms behind the ‘jumping genes’ which make some monkeys ...
Illuminating Study Reveals How Plants Respond to Light
Biology /
Nov 23, 2007 |
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Most of us take it for granted that plants respond to light by growing, flowering and straining towards the light, and we never wonder just how plants manage to do so. But the ordinary, everyday responses ...
'Jumping gene' diminishes the effect of a new type 2 diabetes risk gene
Jul 03, 2009 |
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Research led by the German Institute of Human Nutrition (DIfE) has identified a new gene associated with diabetes, together with a mechanism that makes obese mice less susceptible to diabetes.
Mapping a clan of mobile selfish genes
Biology /
Oct 22, 2008 |
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Much of human DNA is the genetic equivalent of e-mail spam: short repeated sequences that have no obvious function other than making more of themselves.
Fruit fly gene from 'out of nowhere' is discovered
Biology /
Jul 23, 2007 |
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Scientists thought that most new genes were formed from existing genes, but Cornell researchers have discovered a gene in some fruit flies that appears to be unrelated to other genes in any known genome.
Silencing of jumping genes in pollen
Biology /
Feb 05, 2009 |
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Scientists at the Instituto Gulbenkian de Ciência (IGC), in Portugal, are to date the only research group in the world capable of isolating the sperm cells in the pollen grain of the model plant Arabidopsis thaliana. This ...
Plants display 'molecular amnesia'
Biology /
Dec 02, 2008 |
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(PhysOrg.com) -- Plant researchers from McGill University and the University of California, Berkeley, have announced a major breakthrough in a developmental process called epigenetics. They have demonstrated for the first ...
Plant polymerases IV and V are special forms of Polymerase II
Biology /
Jan 06, 2009 |
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(PhysOrg.com) -- It's a little like finding out that Superman is actually Clark Kent. A team of biologists at Washington University in St. Louis has discovered that two vital cellular components, nuclear RNA ...
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