News tagged with viruses and bacteria
Evolution in action: Our antibodies take 'evolutionary leaps' to fight microbes
Biology /
Jan 05, 2009 |
4 / 5 (2) |
0
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
Researchers discover biological basis of 'bacterial immune system'
Nov 30, 2009 |
4.8 / 5 (4) |
1
(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) |
0
(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) |
1
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) |
0
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 |
not rated yet |
0
(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 ...
Sponges against cancer
Nov 20, 2009 |
4.5 / 5 (2) |
0
Deep under the sea, there's a battle of life and death going on, with no holds barred. Sponges and other marine animals which cannot move around might seem to be defenceless against predators. Yet nothing is further from ...
Scientists identify DNA that regulates antibody production
Nov 20, 2009 |
5 / 5 (1) |
0
(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 ...
Researchers Examine How Viruses Destroy Bacteria
Nov 18, 2009 |
not rated yet |
0
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 ...
Vaccines on horizon for AIDS, Alzheimer's, herpes
Medicine & Health / Medications
Nov 17, 2009 |
3.8 / 5 (4) |
1
(AP) -- Malaria. Tuberculosis. Alzheimer's disease. AIDS. Pandemic flu. Genital herpes. Urinary tract infections. Grass allergies. Traveler's diarrhea. You name it, the pharmaceutical industry is working ...
You're being followed: Scientists track movement of living things
Nov 13, 2009 |
4 / 5 (1) |
0
Almost 24 centuries after the Greek philosopher Aristotle wrote his book, "On the Movement of Animals," modern scientists are still struggling to understand how, why, when and where living creatures move.
List of search results for viruses and bacteria
