Frontpage » Tag » dna virus

News tagged with dna virus

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.

Chemistry / Biochemistry

created Jun 18, 2010 | popularity 4.5 / 5 (23) | comments 8 | with audio podcast

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.

Biology / Cell & Microbiology

created Nov 11, 2009 | popularity 4.9 / 5 (17) | comments 1 weblog

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 ...

Biology / Biotechnology

created Nov 19, 2010 | popularity 4.7 / 5 (17) | comments 14 | with audio podcast

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

created Oct 26, 2010 | popularity 4.6 / 5 (13) | comments 5 | with audio podcast report

'Tamed' virus wipes out cancer cells safely

(PhysOrg.com) -- Scientists at Oxford University have tamed a virus so that it attacks and destroys cancer cells but does not harm healthy cells. The research funded by Cancer Research UK is published in the ...

Medicine & Health / Medical research

created May 22, 2009 | popularity 5 / 5 (8) | comments 1

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

created Sep 16, 2010 | popularity 4.8 / 5 (8) | comments 7 | with audio podcast

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

Scientists discover 'traitor' human DNA helps viruses cause cancer

(PhysOrg.com) -- University College London scientists have discovered that stretches of human DNA act as a traitor to the body?s defences by helping viruses infect people and trigger cancer-causing diseases. ...

Biology / Cell & Microbiology

created Apr 26, 2010 | popularity 4.7 / 5 (7) | comments 2 | with audio podcast

Unwanted guests: How herpes simplex virus gets rid of the cell's security guards

A viral infection is like an uninvited, tenacious houseguest in the cell, using a range of tricks to prevent its eviction. Researchers at the Salk Institute for Biological Studies have identified one of the ...

Biology / Cell & Microbiology

created Jan 21, 2010 | popularity 4.8 / 5 (5) | comments 1 | with audio podcast

Scientists measure energy released from a virus during infection

Within a virus's tiny exterior is a store of energy waiting to be unleashed. When the virus encounters a host cell, this pent-up energy is released, propelling the viral DNA into the cell and turning it into a virus factory. ...

Biology / Cell & Microbiology

created Feb 05, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Dec 27, 2010 | popularity 5 / 5 (4) | comments 1 | with audio podcast

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

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

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

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 ...

Chemistry / Biochemistry

created Jan 07, 2011 | popularity 5 / 5 (2) | comments 2 | with audio podcast