A novel mode of defense against bacteria, such as the causal agent of tuberculosis or Staphylococcus aureus, has been identified in humans by studying a small, aquatic flatworm, the planarian. This discovery highlights the importance of studying alternative model organisms, and opens the way tow... Read More
Today, President Obama signed an Executive Order directing key Federal departments and agencies to take action to combat the rise of antibiotic-resistant bacteria. The Administration also released its National Strategy on Combating Antibiotic-Resistant Bacteria. In addition, the President’s Cou... Read More
The age of the Anthropocene--the scientific name given to our current geologic age--is dominated by human impacts on our environment. A warming climate. Increased resistance of pathogens and pests. A swelling population. Coping with these modern global challenges requires application of what one... Read More
Bacteria living on human bodies contain genes that are likely to code for a vast number of drug-like molecules — including a new antibiotic made by bacteria that live in the vagina, researchers report in this week's issue of Cell.
The drug, lactocillin, hints at the untapped medical potential... Read More
This episode: Cancer-killing viruses could work even better when loaded into stem cells!
(8.3 MB, 9 minutes)
cls. sundar khadka,
PG in clinical microbiology,
institute of medicine(IOM), TU teaching hospital , kathmandu, nepal. Read More
The more that biologists study symbiotic microorganisms and their vast influence on animals, the more nature’s networkism unfolds in a continuum at different biological scales. In this issue, Van Leuven et al. illuminate how a stable and longstanding animal-microbe mutualism increased its interg... Read More
The news in July that HIV had returned in a Mississippi toddler after a two-year treatment-free remission dashed the hopes of clinicians, HIV researchers and the public at large tantalized by the possibility of a cure.
But a new commentary by two leading HIV experts at Johns Hopkins argues th... Read More
Ambulances are scarce in areas of west Africa roiled by the Ebola outbreak, so when ill patients and their families need to go to the clinic they often turn to the next best thing—a motorcycle taxi. An ill passenger will wrap her arms around the driver’s waist and away they will go—sometimes dri... Read More
During the winter of 1962 in California, a new virus was isolated from the oropharynx of 4 children who had been hospitalized with respiratory disease that included pneumonia and bronchiolitis. On the basis of its physical, chemical, and biological properties, the virus was classified as an ente... Read More
A vaccine developed by an international team of scientists led by the University of Pittsburgh School of Medicine successfully protects mice against a contagious and deadly virus spreading across the Middle East. The vaccine is a promising candidate for immunizing camels, thought to be the sourc... Read More
Summer's almost gone. Imagine you're strolling along the shores of a lake enjoying nature's colors during sunset. Sparkle catches your eyes where the lake languidly laps against the shore. You start pondering whether microbes — and if so which ones, and how many different — cause these glistenin... Read More
Until relatively recently, the fungus Malassezia was thought to have one favorite home: us. As the dominant fungus on human skin and sometimes-cause of dandruff, the yeast Malassezia was thought to live a simple if sometimes irritating domestic existence humbly mooching off the oils we exude.
... Read More
At the end of a recent “Medical Microbiology” class taught by Dr. Sheldon Campbell, students clapped, cheered heartily, and stomped their feet on the floor. A couple of them even shouted “Encore!”
It’s not quite the reaction one would expect from medical students who just spent 45 minutes lea... Read More
After battling blood cancer for 10 years, Stacy Erholtz has no signs of the disease, thanks to an experimental treatment that used an engineered version of the measles virus.
Now, a year after finishing her treatment, the 50-year-old mother of three is transitioning from patient to advocate, ... Read More
You know those foods and pills that promise to supply your body with "good bacteria?"
They may or may not make you healthier, but some of these "probiotics" do, in fact, appear to be effective in chickens. Poultry companies are turning to probiotics as an alternative to antibiotics, which hav... Read More
Extended stays in hospital appeared to increase the risk of infection with a multidrug-resistant Gram-negative pathogen, researchers said.
In a single-center study, the risk of such infection rose by 1% for every day in hospital, according to Tonya Smith, PharmD, of the University of Utah.
... Read More
Ah, endosymbiosis and the origin of eukaryotic cells… Wasn't this one of the grandest of all the grand events in Biology? In its ability to boggle the mind, it comes in second only to the origin of life. This, one of the most decisive events in evolution, had a unique character. Instead of new t... Read More