Are you willing to take a close look at yourself for science?
A really, really close look?
A team of scientists in the Bay Area is inviting citizen scientists to join them in a quest to create the largest database of human microbiomes in the world.
The human microbiome is the ecosystem ... Read More
Four months ago, a mucus sample arrived in Dr. Ali Mohamed Zaki’s laboratory in Saudi Arabia.
The mucus had been coughed up by a 60-year-old Saudi Arabian man with a strange case of pneumonia. He had been admitted to the Dr. Soliman Fakeeh hospital in Jeddah on June 13; soon after, his kidney... Read More
This episode: Different bacteria working together can thrive better than when working alone!
(9.9 MB, 10.75 minutes)
Measles vaccine given with painless and easy-to-administer microneedle patches can immunize against measles at least as well as vaccine given with conventional hypodermic needles, according to research done by the Georgia Institute of Technology and the Centers for Disease Control and Prevention... Read More
This episode: Ahmed Gomaa and I discuss how to keep some microbes and get rid of others using bacteria's own immune system!
(15.1 MB, 16.5 minutes)
Bacteria talk to each other using N-acylhomoserine lactones (AHLs) as quorum sensing (QS) signals. This signaling allows the bacteria to control gene expression of virulence factors and biofilms once a critical density has been achieved. This phenomenon, quorum sensing, is important when an infe... Read More
This episode: Some insects have bacterial symbionts with super-small genomes inside their cells, and some of these symbionts have their own internal bacterial symbionts!
This episode: Spraying cyanobacteria could turn deserts into useful land!
(9.3 MB, 10.13 minutes)
Study shows that key proteins in mucus prevent bacterial adhesion to surfaces, could help prevent growth of biofilms.
Slimy layers of bacterial growth, known as biofilms, pose a significant hazard in industrial and medical settings. Once established, biofilms are very difficult to remove, and... Read More
In a study that's already being greeted with notes of caution, Danish researchers report that children whose mothers had the flu or ran a fever lasting more than a week during pregnancy had an increased risk of developing an autism spectrum disorder.
U.S. health officials stress that the new ... Read More
A new study by researchers at Imperial College London has identified a way in which Salmonella bacteria, which cause gastroenteritis and typhoid fever, counteract the defence mechanisms of human cells.
One way in which our cells fight off infections is by engulfing the smaller bacterial cell... Read More
This episode: Some phages can fight back against bacterial defenses with recently discovered genes!
(8.3 MB, 9 minutes)
In a healthy adult human body, most internal organs such as the brain, spleen, liver, and heart are devoid of microorganisms because the immune system keeps them in check. After human host death, however, the immune system falters and microorganisms proliferate throughout the body beginning in ... Read More
How much money would you need to put your health at risk? Ten thousand dollars? Five hundred? How about one single dollar? For a teenager in New York City, the latter was enough to test his fate in a subway station. In a video that has gone viral, a young unidentified teen was offered a dollar t... Read More
The human “microbiome”—the trillions of bacteria, yeasts, and other microscopic creatures that live inside a human body—has been one of the major science stories in recent years. It seems that barely a week goes by that we don’t learn something new about the relationship between the human body a... Read More
A mix of six different bacteria found naturally in the healthy gut system of mice and isolated from feces can succeed where antibiotics fail, and eradicate murine infection by highly contagious strains of the Gram-positive anaerobe Clostridium difficile, including the human epidemic 027/BI strai... Read More