News tagged with dna virus
Researchers Examine How Viruses Destroy Bacteria
Nov 18, 2009 |
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Viruses are well known for attacking humans and animals, but some viruses instead attack bacteria. Texas A&M University researchers are exploring how hungry viruses, armed with transformer-like weapons, attack bacteria, which ...
Antarctic lake home to diverse community of viruses
Nov 11, 2009 |
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(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.
Quantum dot research could lead to medical advances
Nanotechnology / Bio & Medicine
Jul 24, 2009 |
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(PhysOrg.com) -- Working with atomic-scale particles known as quantum dots, a Missouri University of Science and Technology biologist hopes to develop a new and better way to deliver and monitor proteins, medicine, DNA and ...
'Tamed' virus wipes out cancer cells safely
May 22, 2009 |
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(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 ...
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Papillomavirus silences innate immune response
Dec 03, 2009 |
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In the 1980s, Harald zur Hausen and his co-workers discovered that specific types of human papillomavirus (HPV) cause cervical cancer. Scientists soon found out how these pathogens cause cells to degenerate. ...
Grooving down the helix: Researchers show how proteins slide along DNA to carry out vital biological processes
Dec 03, 2009 |
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(PhysOrg.com) -- A team of scientists has made a major step in understanding how molecules locate the genetic information in DNA that is necessary to carry out important biological processes.
Cells defend themselves from viruses, bacteria with armor of protein errors
Nov 25, 2009 |
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When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...
Probing life's extremes in Yellowstone (w/ Podcast)
Nov 24, 2009 |
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(PhysOrg.com) -- Idaho National Laboratory biologist Frank Roberto squats on a bare, gravelly patch of ground in Yellowstone National Park's rolling backcountry. At his feet, scalding water churns in a mustard-yellow ...
Researchers discover antibody receptor identity, propose renaming immune-system gene
Nov 20, 2009 |
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Researchers at the University of Alabama at Birmingham (UAB) have uncovered the genetic identity of a cellular receptor for the immune system's first-response antibody, a discovery that sheds new light on ...
Scientists identify DNA that regulates antibody production
Nov 20, 2009 |
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(PhysOrg.com) -- When foreign invaders trip the immune system’s alarm, antibodies need to be specially sculpted to attack them head on. New research now shows that gene segments called enhancers control the reshuffling of ...
No-entry zones for AIDS virus
Medicine & Health / HIV & AIDS
Nov 12, 2009 |
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The AIDS virus inserts its genetic material into the genome of the infected cell. Scientists of the German Cancer Research Center have now shown for the first time that the virus almost entirely spares particular ...
Researchers complete draft genome sequence for cassava
Nov 09, 2009 |
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A team of academic, government and industry researchers has completed a first draft of the cassava (Manihot esculenta) genome. The project is an important first step in accelerating the pace of research on this subsistence ...
Nanoparticles for gene therapy improve
Nanotechnology / Bio & Medicine
Nov 06, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- About five years ago, Professor Janet Sawicki at the Lankenau Institute in Pennsylvania read an article about nanoparticles developed by MIT's Robert Langer for gene therapy, the insertion ...
Gene therapy technique slows ALD brain disease
Nov 05, 2009 |
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A strategy that combines gene therapy with blood stem cell therapy may be a useful tool for treating a fatal brain disease, French researchers have found. These findings appear in the 6 November 2009 issue ...
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