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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

created May 29, 2012 | popularity not rated yet | comments 1

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 ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity 5 / 5 (1) | comments 0

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 ...

Biology / Cell & Microbiology

created Mar 26, 2012 | popularity not rated yet | comments 0 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Mar 19, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast

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

created Feb 29, 2012 | popularity 5 / 5 (2) | comments 0

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 ...

Biology / Cell & Microbiology

created Jan 26, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Jan 04, 2012 | popularity 5 / 5 (1) | comments 0

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.

Physics / Plasma Physics

created Dec 16, 2011 | popularity not rated yet | comments 0

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 ...

Chemistry / Biochemistry

created Dec 13, 2011 | popularity 5 / 5 (1) | comments 0

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.

Biology / Cell & Microbiology

created Oct 10, 2011 | popularity 4 / 5 (9) | comments 1

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 ...

Chemistry / Biochemistry

created Aug 17, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

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.

Biology / Cell & Microbiology

created Jun 30, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Jun 24, 2011 | popularity not rated yet | comments 0

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, ...

Biology / Cell & Microbiology

created Jun 13, 2011 | popularity 5 / 5 (1) | comments 0

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

created Mar 25, 2011 | popularity not rated yet | comments 0