News tagged with dna virus
Dormant ancient chimp virus revived
(PhysOrg.com) -- Researchers in New York have identified the receptor of an ancient chimpanzee retrovirus that has been dormant for at least a million years. Now the scientists have resurrected a key part of the virus to ...
Medicine & Health / Medical research
Oct 26, 2010 |
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AIDS virus lineage much older than previously thought
An ancestor of HIV that infects monkeys is thousands of years older than previously thought, suggesting that HIV, which causes AIDS, is not likely to stop killing humans anytime soon, finds a study by University ...
Medicine & Health / HIV & AIDS
Sep 16, 2010 |
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Scientists Discover New Surprise in a Virus' Bag of Tricks
(PhysOrg.com) -- Yale University researchers have discovered a novel viral survival strategy, an insight that could help scientists better understand how viruses contribute to diseases such as cancer and AIDS.
Jun 18, 2010 |
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Antarctic lake home to diverse community of viruses
(PhysOrg.com) -- A study of the genetic structure of viruses in an Antarctic lake has revealed an astonishing genetic richness in the large number of viral families discovered.
Nov 11, 2009 |
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To drive infections, a hijacking virus mimics a cell's signaling system
New biological research reveals how an invading virus hijacks a cell's workings by imitating a signaling marker to defeat the body's defenses. By manipulating cell signals, the virus destroys a defensive protein designed ...
Mar 26, 2012 |
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Genetic variation in human gut viruses could be raw material for inner evolution
(PhysOrg.com) -- A growing body of evidence underscores the importance of human gut bacteria in modulating human health, metabolism, and disease. Yet bacteria are only part of the story. Viruses that infect ...
Mar 19, 2012 |
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Viruses con bacteria into working for them
MIT researchers have discovered that certain photosynthetic ocean bacteria should beware of viruses bearing gifts: These viruses are carrying genetic material taken from their previous bacterial hosts that ...
Jan 26, 2012 |
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Mega beats Mimi for world's biggest virus
A virus found in the sea off Chile is the biggest in the world, harbouring more than 1,000 genes, surprised scientists reported on Monday.
Oct 10, 2011 |
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Virus uses 'Swiss Army knife' protein to cause infection
In an advance in understanding Mother Nature's copy machines, motors, assembly lines and other biological nano-machines, scientists are describing how a multipurpose protein on the tail of a virus bores into ...
Aug 17, 2011 |
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When viruses infect bacteria
(PhysOrg.com) -- Viruses are the most abundant parasites on Earth. Well known viruses, such as the flu virus, attack human hosts, while viruses such as the tobacco mosaic virus infect plant hosts.
Jun 30, 2011 |
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Research shows change in biochemical wave patterns may signal damaged organs
(PhysOrg.com) -- Studying how bacteria incorporate foreign DNA from invading viruses into their own regulatory processes, Thomas Wood, professor in the Artie McFerrin Department of Chemical Engineering at ...
Jan 07, 2011 |
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From molecule to object: Largest synthetic structure with molecular precision
(PhysOrg.com) -- Organic chemists have always been trying to imitate biology. Although it is possible to make many molecules that imitate biomolecules in terms of structure and function, it remains a challenge ...
Jan 04, 2011 |
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New research shows bacteria provide example of one of nature's first immune systems
Studying how bacteria incorporate foreign DNA from invading viruses into their own regulatory processes, Thomas Wood, professor in the Artie McFerrin Department of Chemical Engineering at Texas A&M University, is uncovering ...
Dec 27, 2010 |
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All viruses 'can be DNA stowaways'
(PhysOrg.com) -- 'Fossil viruses' preserved inside the DNA of mammals and insects suggest that all viruses, including relatives of HIV and Ebola, could potentially be ‘stowaways’ transmitted from ...
Nov 19, 2010 |
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Respiratory virus infection triggers new class of biomolecules
(PhysOrg.com) -- For the first time, scientists have discovered that a poorly understood class of RNA produced in a mammal's cells during a respiratory virus attack may affect the outcome of the infection. ...
Oct 26, 2010 |
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