News tagged with viruses and bacteria
Evolution in action: Our antibodies take 'evolutionary leaps' to fight microbes
Biology /
Jan 05, 2009 |
4 / 5 (2) |
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With cold and flu season in full swing, the fact that viruses and bacteria rapidly evolve is apparent with every sneeze, sniffle, and cough. A new report in the January 2009 issue of The FASEB Journal, explains for the fi ...
Search results for viruses and bacteria
Defects in T cells make West Nile virus more deadly in older adults
Dec 04, 2009 |
not rated yet |
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(PhysOrg.com) -- West Nile virus is more deadly in older adults due to defects in T cells, according to a study conducted by researchers from the UA College of Medicine.
Scientists use virus to kill cancer cells while leaving normal cells intact
Dec 03, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- A virus that in nature infects only rabbits could become a cancer-fighting tool for humans. Myxoma virus kills cancerous blood-precursor cells in human bone marrow while sparing normal blood stem cells, a ...
Researchers Build Artificial Immune System to Solve Computational Problems
Technology / Computer Sciences
Dec 03, 2009 |
4.9 / 5 (11) |
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(PhysOrg.com) -- By mimicking the way that a living body acquires immunity to disease through vaccination, researchers have designed an artificial immune system to solve optimization problems more effectively ...
Grooving down the helix: Researchers show how proteins slide along DNA to carry out vital biological processes
Dec 03, 2009 |
4 / 5 (3) |
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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.
Newly explored bacteria reveal some huge RNA surprises
Dec 02, 2009 |
4.9 / 5 (11) |
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(PhysOrg.com) -- Yale University researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells ...
Researchers discover biological basis of 'bacterial immune system'
Nov 30, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- Bacteria don’t have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Knockouts in human cells point to pathogenic targets
Nov 26, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Whitehead researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens.
Cells defend themselves from viruses, bacteria with armor of protein errors
Nov 25, 2009 |
5 / 5 (7) |
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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 ...
Researchers discover biological basis of 'bacterial immune system'
Nov 25, 2009 |
4.8 / 5 (4) |
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Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
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 ...
List of search results for viruses and bacteria
