Hematopoietic stem cells provide the body with a constant supply of blood cells, including the red blood cells that deliver oxygen and the white blood cells that make up the immune system. Hematopoietic - or blood - stem cells must also make more copies of themselves to ensure that they are pres... Read More
Dengue update from around the world compiled from various news sources:
An alert has been sounded in the city to control the spread of dengue. With the Commonwealth Games round the corner and the fear of a dengue epidemic looming large, the Municipal Corporation of Delhi (MCD) has said it wil... Read More
On Wednesday, a report released by the National Oceanic and Atmospheric Administration said early observations showed that the oil from the Deepwater Horizon spill “is biodegrading quickly,” adding that scientists were working to measure how quickly and how much of the escaped oil the microbial ... Read More
Germs living in the gut may cause higher rates of allergies, chronic stomach upsets and even obesity among children living in rich industrialized countries, researchers reported on Monday.
They compared intestinal bacteria between European Union children and young villagers in remote Burkina ... Read More
A National Aeronautics and Space Administration (NASA) Research Announcement (NRA), entitled, "Research and Technology Development to Support Crew Health and Performance in Space Exploration Missions" (NRA NNJ10ZSA003N), has been released and is available through the NASA Research Opportunities ... Read More
The type III secretion system allows Salmonella typhimurium to get the goods into your cells: bacterial effector proteins travel through the connected inner and outer membrane rings and down a protruding needle-like tube, into the host cell. Despite the importance of S. typhimurium as a human p... Read More
Occasionally, researchers stumble across something extraordinary in a system that has been studied for decades.
Ryan Kerney of Dalhousie University in Halifax, Nova Scotia, Canada, did just that while looking closely at a clutch of emerald-green balls--embryos of the spotted salamander (Ambys... Read More
Can the disease-causing capabilities of an organism be predicted from its DNA? This was a key question faced by a 13-member committee of the National Research Council (NRC). It was trying determine what it would take to develop a government system that spots bioweapons in the making by screening... Read More
Several cases of illness from eating raw oysters and lab detection of bacteria that can make people sick has led state health officials to close two Hood Canal growing areas in Washington state.
Lab tests in Hood Canal Six, which runs from Hoodsport south and east to the boat launch area at T... Read More
The Veteran's Administration (VA) today released the latest results of tests taken by dental patients at the John Cochran VA Hospital in
St. Louis, Missouri. As of Wed 28 Jul 2010, the VA confirms 2 positive results for hepatitis B and 2 positive results for hepatitis C. The data [were] presen... Read More
Health officials in Myanmar have this year reported a significant increase in cases of Chikungunya, a little-known viral disease with symptoms similar to dengue fever.
While rarely fatal, there is no vaccine or cure for Chikungunya and treatment focuses on relieving the symptoms, which can la... Read More
Planes are scheduled to take to the air tomorrow night to begin spraying a swath of Southeastern Massachusetts with pesticide targeted at mosquitoes carrying eastern equine encephalitis, Governor Deval Patrick announced today at a news conference in Lakeville.
The planes, which will cover Bri... Read More
A large part of human milk cannot be digested by babies and seems to have a purpose quite different from infant nutrition — that of influencing the composition of the bacteria in the infant’s gut.
The details of this three-way relationship between mother, child and gut microbes are being wo... Read More
This episode: Making spider silk with bacteria!
(2.4 MB, 2.6 minutes)
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A case of the mosquito-borne illness LaCrosse encephalitis has been reported in Montgomery County, Mississippi.
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The NY Times blog Scientists at Work is a modern version of a field journal which reports on the daily progress of scientific expeditions — adventures, misadventures, discoveries, etc.
Over the next 12 days, Jeffrey Marlow, a graduate student at the California Institute of Technology, will r... Read More
A new evidence-based global distribution map of Plasmodium vivax malaria, published August 3 in the open-access journal PLoS Neglected Tropical Diseases, is used to estimate that 2.85 billion people lived at risk of infection with this parasite in 2009. The map, created as part of the Malaria At... Read More
Researchers have discovered a mechanism by which Helicobacter pylori, the only known cancer-causing bacterium, disables a tumor suppressor protein in host cells.
The new study, in the journal Oncogene, reports the discovery of a previously unknown mechanism linking H. pylori infection and sto... Read More
The Army’s got a one-two punch to perfect vaccinations and offer scientists the ability to quickly develop inoculations that stave off new dangers. First, they’ll shoot troops up using a “gene gun,” that’s filled with DNA-based vaccines. Then they’ll follow it up with “short electrical pulses to... Read More