News tagged with dna virus
16th-century Korean mummy provides clue to hepatitis B virus genetic code
The discovery of a mummified Korean child with relatively preserved organs enabled an Israeli-South Korean scientific team to conduct a genetic analysis on a liver biopsy which revealed a unique hepatitis ...
Other Sciences / Archaeology & Fossils
May 29, 2012 |
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New technique used to discover new viruses in poultry
In a search to find better ways to control viral enteric diseases in birds, U.S. Department of Agriculture (USDA) scientists have unearthed a treasure trove of previously known and unknown viruses in poultry ...
May 18, 2012 |
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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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Adapting personal glucose monitors to detect DNA
An inexpensive device used by millions of people with diabetes could be adapted into a home DNA detector that enables individuals to perform home tests for viruses and bacteria in human body fluids, in food ...
Chemistry / Analytical Chemistry
Feb 29, 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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The private nuclear rooms of herpesviruses
Researchers from Princeton University have discovered why, despite being bombarded by many different herpesviruses, infected cells produce only a limited number of those viruses. They report their findings in the current ...
Jan 04, 2012 |
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Plasma treatment zaps viruses before they can attack cells
Researchers test a pre-emptive anti-viral treatment on a common virus known to cause respiratory infections.
Dec 16, 2011 |
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Visualization of DNA synthesis in vivo
Researchers of the University of Zurich have discovered a new substance for labeling and visualization of DNA synthesis in whole animals. Applications for this technique include identifying the sites of virus ...
Dec 13, 2011 |
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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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Researchers clarify bacterial resistance
Just like plants and animals, bacteria have a range of defence mechanisms against viruses and other threats. Dutch researchers at the Wageningen Laboratory for Microbiology and their American and Russian colleagues have largely ...
Jun 24, 2011 |
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Mimivirus isolated, genome amputated
In the absence of competition with other microorganisms, Mimivirus, the largest known DNA virus, loses 17% of its genome. This has recently been demonstrated by a French-American collaboration including researchers from CNRS, ...
Jun 13, 2011 |
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HIV integration requires use of a host DNA-repair pathway
The human immunodeficiency virus (HIV), the cause of AIDS, makes use of the base excision repair pathway when inserting its DNA into the host-cell genome, according to a new study led by researchers at the Ohio State University ...
Medicine & Health / HIV & AIDS
Mar 25, 2011 |
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