News tagged with viruses and bacteria


Evolution in action: Our antibodies take 'evolutionary leaps' to fight microbes

Biology /

created Jan 05, 2009 | popularity 4 / 5 (2) | comments 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


Newly explored bacteria reveal some huge RNA surprises

Newly explored bacteria reveal some huge RNA surprises

Biology / Cell & Microbiology

created 18 hours ago | popularity 4.9 / 5 (9) | comments 1

(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'

Chemistry / Biochemistry

created Nov 30, 2009 | popularity 4.8 / 5 (4) | comments 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

Knockouts in human cells point to pathogenic targets

Biology / Cell & Microbiology

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 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

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 5 / 5 (7) | comments 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'

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 4.8 / 5 (4) | comments 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

Probing life's extremes in Yellowstone (w/ Podcast)

Biology / Cell & Microbiology

created Nov 24, 2009 | popularity not rated yet | comments 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

Biology / Cell & Microbiology

created Nov 20, 2009 | popularity 4.5 / 5 (2) | comments 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

Medicine & Health / Research

created Nov 20, 2009 | popularity 5 / 5 (1) | comments 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

Biology / Cell & Microbiology

created Nov 18, 2009 | popularity not rated yet | comments 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 (AP)

Vaccines on horizon for AIDS, Alzheimer's, herpes

Medicine & Health / Medications

created Nov 17, 2009 | popularity 3.8 / 5 (4) | comments 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 ...



List of search results for viruses and bacteria