A study at the University of Pennsylvania School of Veterinary Medicine has identified the function of one of the earliest antibodies in the animal kingdom, an ancient immunoglobulin that helps explain the evolution of human intestinal immune responses. It was discovered to play a predominant ro... Read More
Under the microscope, the bacteria start dividing normally, two cells become four and then eight and so on. But then individual cells begin "popping," like circus balloons being struck by darts.
This phenomenon, which surprised the Duke University bioengineers who captured it on video, turns ... Read More
People who are near death from a combination of tuberculosis and AIDS are more likely to survive if they get immediate TB treatment, followed two weeks later by antiretroviral drugs for AIDS, doctors are reporting.
Several AIDS specialists said the research, supported by the French and Americ... Read More
Sometimes, discovery in biology is about discerning rules and sometimes it is about pursuing exceptions. In this spirit, Human Herpesvirus six (HHV-6), the etiologic agent of the common childhood illness roseola infantum, is shaping up to be an intriguing exception.
A recent post on Small Thi... Read More
Silver nanoparticles, used for their potent antimicrobial properties in hospitals and consumer products, may negatively impact plant growth as they make their way into the environment, according to a new study. Whereas it may not spell the end of all flora as we know it, the findings suggest th... Read More
One of the primary goals of genetics over the past decade has been to understand human health and disease in terms of differences in DNA from person to person. But even a relatively straightforward trait such as height has resisted attempts to reduce it to a particular combination of genes. In ... Read More
Intestinal permeability and the translocation of bacteria, viruses and antigens through the mucosal epithelium seems to play a role in many illnesses from celiac disease over diabetes to HIV and immune activation. Do we take into account that intestinal permeability could play a very important r... Read More
Irish researchers have made a major breakthrough in understanding why women with the life-threatening disease cystic fibrosis (CF) have a poorer survival rate than men.
Academics found higher levels of the hormone oestrogen limits the lungs' ability to fight infection and bacteria that attack... Read More
An experimental antiviral agent called boceprevir doubled the cure rate for hepatitis C in a small phase 2 clinical trial designed to show efficacy, researchers reported Sunday. The drug will now be submitted to the larger Phase 3 trial required for approval of the drug by the Food and Drug Admi... Read More
The richer and more economically free a country, the fewer bacteria its banknotes carry, according to a study of paper money in 10 countries ranging from Burkina Faso to the U.S.
Researchers found a “strong correlation” between the amount of bacteria per square centimeter (0.16 square inch) o... Read More
A new study co-authored by professor Kam Tang of the Virginia Institute of Marine Science reveals that tiny aquatic organisms known as "water fleas" play an important role in carrying hitchhiking bacteria to otherwise inaccessible lake and ocean habitats.
The article, "Bacteria dispersal by h... Read More
Fido's food may be making kids sick, a government report warns, detailing the first known salmonella outbreak in humans, mostly young children, linked to pet food.
The outbreak sickened 79 people in 21 mostly eastern states, between 2006 and 2008. Almost half of the victims were children aged... Read More
We have come to expect that modern medicine can cure just about any infection. But bacteria are finding ways to evade, one by one, the drugs in our arsenal, and that arsenal is not being replenished with new antibiotics.
Drug companies are abandoning the antibacterial business, citing high de... Read More
Periodontal (gum) disease may increase the risk of cognitive dysfunction associated with Alzheimer’s disease in healthy individuals as well as in those who already are cognitively impaired.
Researchers examined 20 years of data and found fresh evidence that links gum disease to brain inflamma... Read More
Las Vegas hospital officials say they are doing enough to protect patients from becoming infected with deadly bacteria.
But hospitals are failing according to an investigative story in the Las Vegas Sun.
The paper spent two years investigating hospital safety in Las Vegas, including analys... Read More
Swimming in the rivers that feed the Chesapeake Bay after a hard rain could be hazardous to your health according to a key finding of a water quality experiment conducted last month by reporters at the University of Maryland working for News21, a national consortium of journalism schools.
The... Read More
The popularity of ready-to-eat salad mixes and the sudden emergence of a little known strain of E. coli bacteria have dramatically increased the risk of food-borne contamination and illness in Canada and the U.S.
If you think there are more cases of tainted vegetables than previously, you are... Read More
Sri Lanka’s health department is in a fix over the delay in the import of the first consignment of BTI bacteria (Bacillus thuringiensis subspecies israelensis) from Cuba as the number of deaths due to dengue has risen to 149 Friday. Meanwhile, the health ministry has failed to get a positive res... Read More
Azotobacter vinelandii, a microbe found around the roots of various food plants, creates an enzyme - vanadium nitrogenase - which in nature produces ammonia from nitrogen gas. But now it has been shown that it can also create propane, the fuel commonly used in camping gas stoves, out of carbon m... Read More