Many components of our oral hygiene regimens are meant to keep cariogenic bacteria at bay: sodium fluoride in ACT interferes with electron transport and ATP synthesis, the essential oils in Listerine have antiseptic effects, and abrasives – small, insoluble particles in toothpaste – help remove ... Read More
The sages of TWiV explain how chronic wasting disease of cervids could be caused by spontaneous misfolding of prion protein, and the role of the membrane protein Axl in Zika virus entry into cells.
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Researchers at the Icahn School of Medicine at Mount Sinai say that tiny doses of a cancer drug may stop the raging, uncontrollable immune response to infection that leads to sepsis and kills up to 500,000 people a year in the U.S. The new drug treatment may also benefit millions of people world... Read More
ASM hosted a Twitter Chat on Microbes of the Built Environment. You may have missed the chat, but you can read the storified version of our conversation! See what our expert panelists had to say, and join us next time on #ASMChats! http://bit.ly/27I9vH1 Read More
The Fellowship of the Virus trace the early history of HIV in North America, based on genome sequences obtained from late 1970s archival sera, which also reveal that Gaetan Dugas was not Patient Zero.
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This episode: Great apes' specific gut microbe communities have been with us for millions of years!
(9.1 MB, 10 minutes)
Actinobacteria are the bacterial phylum responsible for production of many clinically-relevant antibacterial compounds. Streptomyces is a soil-dwelling genus of actinobacteria that produces drugs like neomycin and chloramphenicol. Despite deriving many antibiotics already from Streptomyces, coul... Read More
On Monday, August 1, the US Centers for Disease Control and Prevention recommended that pregnant women not travel to Wynwood, a neighborhood north of downtown Miami, because health officials in Florida had found that mosquitoes there are actively transmitting Zika, a mosquito-borne virus that ca... Read More
Up to now, if scientists wanted to study blood cells, algae, or bacteria under the microscope, they had to mount these cells on a substrate such as a glass slide. Physicists at Bielefeld and Frankfurt Universities have developed a method that traps biological cells with a laser beam enabling the... Read More
Antimicrobial resistance has been a growing concern in the health care community. But a publication by Chinese researchers in The Lancet Infectious Diseases last fall kicked things up a notch. The work found the mcr-1 gene, which confers resistance to the antibiotic colistin, in Escherichia coli... Read More
This episode: Algae growing in Arctic snow make red pigments that heat up their surroundings!
(6.8 MB, 7.5 minutes)
Ne... Read More
It is the first time the predatory bacterium Bdellovibrio bacteriovorus has been successfully used as an injected anti-bacterial therapy and represents an important step in the fight against drug-resistant infections, or ‘superbugs’.
Shigella infection is responsible for over 160 million illn... Read More
On this episode of Virus Watch we cover three Zika virus stories: the first human trial of a Zika virus vaccine, the first local transmission of infection in the United States, and whether the virus is a threat to participants in the 2016 Summer Olympic and Paralympic Games. Read More
The wide diversity of flu in pigs across multiple continents, mostly introduced from humans, highlights the significant potential of new swine flu strains emerging, according to a study to be published in eLife. Read More
Russian President Vladimir Putin claimed Wednesday his country had developed a vaccine for the Ebola virus which has killed thousands of people in west Africa.
But Putin, who is famed for his talent for headline-grabbing announcements, did not give any name for the vaccine, nor did he say how... Read More
They are right on the border of what is visible and invisible. If you look really close at a piece of aged cheese, it’s possible to see them, barely. The more “artisanal” the cheese, the better the chance that they are there: living within tiny burrows on the rind proportionally the size of gian... Read More
In 2014, before the FIFA World Cup opened in Brazil, there were fears that many of the 600,000 foreign visitors expected for the world's largest soccer tournament would acquire dengue fever. Their numbers could reach hundreds or even thousands, according to some predictions. Read More
Houston Methodist researchers have discovered a set of immune proteins that facilitate long-lasting immunity against malaria. In a study recently published in Immunity (online Oct. 25), researchers reported that elevated production of specific proteins regulating the immune system within 24 hour... Read More
Raw milk collected from dairy farms has to travel to processing facilities before it is transformed into the delicious dairy products we consume. Because the milk from many dairy cows is collected together, any contamination issue from a single animal can lead to spoilage or contamination. How r... Read More