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)
This episode: Spraying cyanobacteria could turn deserts into useful land!
(9.3 MB, 10.13 minutes)
A pink-pigmented strain of Pseudomonas aeruginosa is shown in the picture. This was photographed in University of Colorado Hospital's clinical lab by the microbiology department. The organism is shown on Mueller-Hinton agar for Kirby-Bauer sensitivity testing.
The pigment pyorubin is responsi... Read More
Small peptides attack bacteria in many different ways and may well become a new generation of antibiotics. Biologists at the Ruhr-Universität Bochum (RUB) have been researching how such peptides kill bacterial cells. "It is quite possible that, in ten years time, all of the currently marketed an... Read More
Serratia marcescens is a bacteria that has earned a bad reputation for infecting people in hospitals. It may deserve an even worse reputation. It might have made people believe, for hundreds of years, that the blood of Christ was miraculously appearing in communion wafers.
Serratia marcescens... Read More
Vincent and Dickson discuss how malaria parasites induce odors in their rodent hosts that attract mosquitoes.
Most Escherichia coli (E.coli) strains are harmless.But some, like enterohemorrhagic E. coli (EHEC), are a hazard to human health and life. 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
Organisms grown on MacConkey Agar at 37 degrees for 24 hours.
-Important Ingredients: crystal violet, bile salts, neutral red (color indicator), lactose
-Differential: used to identify and isolate lactose fermenting G- enteric bacteria mainly Enterobacteriaceae. Strong lactose fermentation pr... Read More
Vincent and Dickson discuss the exchange of messenger RNAs between a parasitic plant and its hosts.
Hawaii Senate Bill 3124 would make Vibrio fischeri the official state microbe.
Here’s why, according to the bill:
Vibrio fischeri is deserving of being Hawaii’s official state microbe because of its broad reputation as among the best-studied beneficial microbes. These bacteria live in... Read More
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)
A new study has revealed that bacteria use a form of communication similar to human language, but employing chemical signals instead of words. This language enables bacteria to thrive and researchers hope that by interpreting it they can develop new drugs to fight infections without bacteria dev... Read More
Nuevas guías de la Agencia de Protección Ambiental (USEPA) para las aguas recreacionales: éste es el tópico que discutiremos hoy con Grace Robiou, quien ha trabajado durante los últimos años buscando nuevos indicadores de riesgo que protejan mejor a los bañistas.
Aunque en el mu... Read More
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: Remnants of viral infection left behind in squirrels' genome may protect them from incoming viruses!
(9.3 MB, 10.1 minutes)
Most of the strains used belong to the Bacillus genus and the rest are just random colorful petri dish contaminants. :-)
Author: Rositsa Tashkova, Université de Nantes, France Read More