News tagged with horizontal gene
Aphids borrowed bacterial genes to play host
Mar 09, 2009 |
4.5 / 5 (2) |
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Most aphids host mutualistic bacteria, Buchnera aphidicola, which live inside specialized cells called bacteriocytes. Buchnera are vital to the aphids well being as they provide essential amino acids that are scarce in its ...
Darwin's Tree of Life May Be More Like a Thicket
Biology /
Jan 27, 2009 |
4.8 / 5 (9) |
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(PhysOrg.com) -- In On The Origin of Species, Darwin used the image of a tree of life to illustrate how species evolve, one from another. Even today, branches sprouting from lower branches (representing ancest ...
Blocking the spread of antibiotic resistance in bacteria
Biology /
Dec 18, 2008 |
2.5 / 5 (2) |
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It's as simple as A, T, G, C. Northwestern University scientists have exploited the Watson-Crick base pairing of DNA to provide a defensive tool that could be used to fight the spread of antibiotic resistance in bacteria ...
Forced evolution: Can we mutate viruses to death?
Nov 10, 2008 |
4.5 / 5 (17) |
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It sounds like a science fiction movie: A killer contagion threatens the Earth, but scientists save the day with a designer drug that forces the virus to mutate itself out of existence. The killer disease? Still a fiction. ...
Search results for horizontal gene
Horizontal string trimmer reduces labor costs, increases peach size
Dec 11, 2009 |
4 / 5 (1) |
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As consumer demand for premium fruit increases, growers are being challenged to bring consistently high-quality fruit to market. And to boost their bottom line, orchard owners are experimenting with new techniques ...
Changing environment organizes genetic structure
Nov 13, 2007 |
4.5 / 5 (29) |
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What is the fundamental creative force behind life on Earth? It's a question that has vexed mankind for millennia, and thanks to theory and almost a year's worth of number-crunching on a supercomputer, Rice University physicist ...
St. Jude identifies the specific cell that causes eye cancer, disproving long-held theory
Oct 18, 2007 |
4.5 / 5 (2) |
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Investigators at St. Jude Children's Research Hospital have identified the cell that gives rise to the eye cancer retinoblastoma, disproving a long-standing principle of nerve growth and development. The finding suggests ...
Trees, vines and nets - Microbial evolution changes its face
Jul 04, 2005 |
5 / 5 (1) |
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EBI researchers have changed our view of 4 billion years of microbial evolution. Christos Ouzounis and colleagues have gained intriguing quantitative insights into how gene families are transferred, not only ...
An ancient protein balances gene activity and silences foreign DNA in bacteria
Biology /
May 15, 2008 |
4.8 / 5 (5) |
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Compared to humans, bacteria have a much tidier genome. The tiny microorganisms pack their genes closely together, and don’t carry around a lot of extraneous DNA, so-called junk DNA that fills in the gaps between genes. Some ...
Genetic study reveals the origins of cavity-causing bacteria
Dec 23, 2009 |
5 / 5 (2) |
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Researchers have uncovered the complete genetic make-up of the cavity-causing bacterium Bifidobacterium dentium Bd1, revealing the genetic adaptations that allow this microorganism to live and cause decay in the human oral ...
No sex, but plenty of gene transfer
Biology /
May 29, 2008 |
4.7 / 5 (20) |
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Where do you get your genes? If you are an animal, you inherit them from your parents at the moment of conception, and that's about it. No later incorporation of environmental DNA for you, unless you become ...
Scientist Unlocking the Secrets of Sea Slug that Lives Like a Plant
Biology /
Nov 18, 2008 |
4.8 / 5 (31) |
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(PhysOrg.com) -- Photosynthesis generates the oxygen needed for life on earth as well as the biomass for food and biofuel production. The process is driven by the absorption of the sun’s energy by tiny green "bodies" called ...
Researchers study ocean plant cell adaptation in climate change
Apr 15, 2009 |
3.3 / 5 (4) |
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How will plant cells that live in the oceans and serve as the basic food supply for many of the world's sea creatures react to climate change?
Sharing genes a common affair, studies show
Biology /
Mar 08, 2007 |
4.4 / 5 (17) |
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Two new studies by University of California, Berkeley, scientists highlight the amazing promiscuity of genes, which appear to shuttle frequently between organisms, especially more primitive organisms, and often in packs.
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