microbes in the environment: there are about 4 to 5 different colonies of bacteria which is growing in agar plate; sample from library toilet seat. (front view) Read More
This episode: "Selfish" jumping gene is actually helpful for its host plant's resistance to disease!
Researchers examined samples from the brains of patients with and without dementia and found lipopolysaccharide, a component of Porphyromonas gingivalis, an oral bacterium, in four out of 10 Alzheimer’s disease brain samples.
“This clearly shows that there is an association between oral bacte... Read More
The Agriculture Department is reviewing research showing that new bacteria-killing chemicals used in chicken slaughterhouses may be masking the presence of salmonella and other pathogens that remain on the birds that consumers buy, according to records and interviews.
Academic researchers agr... Read More
It seems that nearly every day, scientists connect another medical condition to atypical gut bacteria populations. Researchers have claimed that gut bacteria play a role not just in digestive health but even in basic brain function and mental health. Certain bacteria are so clearly good for us t... Read More
A colorized electron microscope image captures delicate chains of streptococcus in a laboratory sample. Though some strep infections can be deadly, many strains are harmless—among the thousands of benign beings that make their home in our bodies.
Photograph by Martin Oeggerli, with support fr... Read More
Cystic fibrosis patients suffer from chronic bacterial infections and thick mucous in their lungs, due largely to a combination of microbial infections and resulting inflammation. A common pathogen, Pseudomonas aeruginosa, which can lay dormant in healthy individuals, becomes virulent in the lun... Read More
It's natural to expect that the water coming out of our taps is safe without worry of gastrointestinal or other infectious disease. Yet every year there are dozens of outbreaks linked to drinking water in the United States alone. In the majority of cases, a failure of proper water treatment is t... Read More
High-octane biofuels — produced with the aid of newly created lines of engineered bacteria — may be in the near future thanks to new research from the Wyss Institute for Biologically Inspired Engineering at Harvard University and the Department of Systems Biology at Harvard Medical School.
Th... Read More
This episode: Cold-loving bacteria can repair surprising amounts of DNA damage even sub-zero temperatures!
(9.1 MB, 9.9 minutes)
Bacteria isolated from the Siberian arctic permafrost are exposed to a lot of radiation over thousands of years, but somehow they are able to repair... Read More
Bioluminescent art blends science and creativity to create images that can only be seen in the dark. What do you get when you add a chemical engineer, a graphic designer and a research scientist? Beautiful art. In a wondrous combination of nature and design, bioluminescent art involves using nat... Read More
University of Queensland researchers warn the Middle East Gulf States are facing a rapid growth in superbugs due to the overuse of antibiotics, poor hand-hygiene in hospitals and medical tourism.
With more than 15,000 expatriate Australians living and working in the United Arab Emirates alone... Read More
On June 24, 2012, a 60-year-old Saudi man died from severe pneumonia complicated by renal failure. He had arrived at a hospital in Jiddah 11 days earlier, and some of his symptoms were similar to those in severe cases of influenza or SARS, but this wasn't either of those diseases.
This was so... Read More
A Winnipeg agricultural biotechnology company that has been selling chemical-free seed inoculants for peas, lentils and soybeans in the U.S. for a couple of years now has regulatory approval to sell in Canada.
Manas Banerjee, the CEO and founder of XiteBio Technologies Inc. is excited about t... Read More
Improper handling of intravenous saline at a West Virginia outpatient oncology clinic was linked with the first reported outbreak of Tsukamurella spp., gram-positive bacteria that rarely cause disease in humans, in a new report from the Centers for Disease Control and Prevention (CDC). The repor... Read More
This episode: Gut bacteria may convert cortisol into important human hormones!
(6 MB, 6.5 minutes)
Note: Episode 144 is now available too. Sorry about that. Not sure what went wrong there, but it is regrettable.
A minor player in the gut, Clostridium scindens,... Read More
One species of bacteria seems to get many of the perks of sexual reproduction without actually having sex, a new study finds.
Different strains of bacteria called Mycobacterium smegmatis swap large, random bits of DNA prior to reproducing asexually. This process, known as conjugal transfer, p... Read More