Vincent and Dickson discuss how infection of mice with helminths induces cytokines that reactivate a latent gamma-herpesvirus.
This episode: Soil bacteria could help prevent food poisoning from bacteria in raw tomatoes!
(9.6 MB, 10.5 minutes)
This episode: Bacteria could reduce mercury's toxicity in their environment!
(6.5 MB, 7 minutes)
Methanotrophs (bacteria that use methane for their carbon and energy) secrete siderophore-like compounds that are usually used to chelate copper and make it more bioavailable, but ... Read More
I listened to the latest TWIP this morning. Dickson mentioned the herbicide atrazine but thought it was a fungicide. It is actually a herbicide in the photosynthesis inhibitor class. Another bit of trivia about ag chemicals is that old chemicals like ... Read More
This episode: Spraying cyanobacteria could turn deserts into useful land!
(9.3 MB, 10.13 minutes)
This episode: Fungi living in grasses make toxic compounds to defend against herbivores, but some animals can overcome this defense with their saliva!
(5.4 MB, 5.9 minutes)
This episode: Virus helps to modify mice such that certain colors of light can cause or prevent pain!
(10 MB, 10.8 minutes)
This episode: Bacteria with engineered circuits can detect and keep a record of stuff in their environment, like in the gut!
(14.6 MB, 15.9 minutes)
The TWiV team reviews the discovery of old vials of smallpox virus at NIH, anthrax and influenza mishaps at CDC, the baby who was not cured of HIV, Cambridge Working Group, and sacking of NSABB members.
Hosts: Read More
This episode: Engineered bacteria could help capture CO2 and convert it into a solid form for storage!
(7.3 MB, 8 minutes)
E. coli engineered to produce the enzyme carbonic anhydrase, which converts carbon dioxide to bicarbonate and then to calcium carbonate,... 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
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
This episode: Scientists engineered E. coli to seek and destroy pathogens!
(10 MB, 11 minutes)
A bacterium can sense pathogens in the body, swim toward them, and release a deadly biofilm-busting payload. This process is called pseudotaxis, and could be modified for many... Read More
Vincent, Elio, and Michele review a study of the viruses and bacteria in commensal rats in New York City.
Host: Vincent Racaniello
Guests: Read More
This episode: Bacteria use fungal filaments like highways to swim through soil!
(7.7 MB, 8.3 minutes)
This episode: Defective phages in bacterial genomes can still have burdensome effects! Why do the bacteria keep them around?
(10.4 MB, 11.3 minutes)