This episode: Remnants of viral infection left behind in squirrels' genome may protect them from incoming viruses!
(9.3 MB, 10.1 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
Vincent, Alan, Rich and Kathy discuss the association of a virus with sea star melting disease, and the finding of a phycodnavirus in the oropharynx of humans with altered cognitive functions.
Hosts: Vincent Racaniello
Special guest: Rob Knight
Vincent meets up with Rob Knight to talk about the technology that has... 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)
Photograph of 400X magnified image of biogas digestor sample. A strange spiraled type microbe seen (probably like left handed DNA helix). The microbe is shown with an arrow. Has anyone seen such microbial structure? Read More
This episode: Some phages can fight back against bacterial defenses with recently discovered genes!
(8.3 MB, 9 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
This episode: Some photosynthetic bacteria can use electricity for their metabolism to make useful stuff too!
(9.2 MB, 10 minutes)
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
Acid Fast stain done on a mix of Staphylococcus aureus and Mycobacterium smegmatis. Carbol fuchsin was applied to the smear and set over a steaming water bath for 10 min to help penetrate the mycolic acid in the cell wall, then rinsed with acid alcohol which washes the carbol fuchsin out of al... Read More
This episode: Modified probiotic bacteria could reduce life-threatening allergies!
(6.3 MB, 6.8 minutes)
Vincent, Dickson, and Daniel present a new case study, and discuss the effect of chronic malaria infection on wild warbler life span and telomere degradation.
This episode: When sensing an infection, mice make sure to keep their gut bacteria well-fed. And it pays off!
(11.8 MB, 13 minutes)