News tagged with strains
New study overturns orthodoxy on how macrophages kill bacteria
Apr 27, 2009 |
4.9 / 5 (9) |
0
For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois ...
Noogoora burr throws researchers a curve ball
Biology /
Aug 19, 2008 |
4.6 / 5 (7) |
1
(PhysOrg.com) -- What do you do when a weed fights back? Noogoora burr in Australia’s tropical north has done just that but CSIRO scientists aren’t letting it get away with it.
Einstein researchers develop novel antibiotics that don't trigger resistance
Mar 13, 2009 |
5 / 5 (6) |
0
Bacterial resistance to antibiotics is one of medicine's most vexing challenges. In a study described in Nature Chemical Biology, researchers from Albert Einstein College of Medicine of Yeshiva University are de ...
Just how friendly are those probiotics in your food?
Jun 19, 2009 |
5 / 5 (5) |
0
Ready for some live, active cultures in your chocolate? How about your breakfast cereal? Probiotics, the so-called "friendly" bacteria with health benefits, have busted out of the dairy case and are colonizing other areas ...
New research helps explain why bird flu has not caused a pandemic
Nov 19, 2009 |
5 / 5 (5) |
1
(PhysOrg.com) -- Bird flu viruses would have to make at least two simultaneous genetic mutations before they could be transmitted readily from human to human, according to research published today in PLoS ON ...
GIANT-Coli: A novel method to quicken discovery of gene function
Biology /
Aug 07, 2008 |
4.6 / 5 (5) |
0
Think researchers know all there is to know about Escherichia coli, commonly known as E. coli? Think again. "E. coli has more than four thousand genes, and the functions of one-fourth of these remain unknown," says Dr. Deborah ...
New findings reveal how influenza virus hijacks human cells
Biology /
Feb 04, 2009 |
4.6 / 5 (5) |
0
Influenza is and remains a disease to reckon with. Seasonal epidemics around the world kill several hundred thousand people every year. In the light of looming pandemics if bird flu strains develop the ability ...
Researchers iron out new role for serotonin
Jan 27, 2009 |
4.4 / 5 (5) |
1
Vanderbilt University Medical Center investigators have found a surprising link between brain iron levels and serotonin, a neurotransmitter involved in neuropsychiatric conditions ranging from autism to major depression.
Scientists devise accelerated method to determine infectious prion strains
May 29, 2009 |
4.4 / 5 (5) |
1
Current tests to identify specific strains of infectious prions, which cause a range of transmissible diseases (such as mad cow) in animals and humans, can take anywhere from six months to a year to yield results - a time-lag ...
Universal flu vaccine holds promise
Apr 27, 2009 |
4.2 / 5 (5) |
0
An influenza vaccine that protects against death and serious complications from different strains of flu is a little closer to reality, Saint Louis University vaccine researchers have found.
New family of antibacterial agents uncovered
Biology /
Jan 15, 2009 |
5 / 5 (4) |
0
As bacteria resistant to commonly used antibiotics continue to increase in number, scientists keep searching for new sources of drugs. In this week's JBC, one potential new bactericide has been found in the tiny freshwater animal ...
Blue light destroys antibiotic-resistant staph infection
Jan 29, 2009 |
5 / 5 (4) |
0
Two common strains of methicillin-resistant Staphylococcus aureus, commonly known as MRSA, were virtually eradicated in the laboratory by exposing them to a wavelength of blue light, in a process called photo-irradiation that i ...
Bacteria cause old buildings to feel off-color
Biology /
Oct 27, 2008 |
4.8 / 5 (4) |
0
The assumption that time, weather, and pollution are what cause buildings to decline is only partly true. Bacteria are also responsible for the ageing of buildings and monuments – a process known as biodeterioration, where ...
New vaccines may not reduce TB incidence
Oct 07, 2008 |
5 / 5 (3) |
0
(PhysOrg.com) -- Despite the potential of new vaccines to prevent TB, new research shows that the removal of one strain of TB can allow a previously suppressed strain to succeed. Consequently, a vaccination ...
Wonderful cheese is all in the culture
Biology /
Jan 06, 2009 |
4.3 / 5 (3) |
1
It's an age-old tradition that dates back at least 8,000 years but it seems we still have much to learn about the bacteria responsible for turning milk into cheese.
