Hosts: Vincent Racaniello.
Special guest: Stanley Maloy
Vincent meets up with Stan Maloy o... Read More
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: Soil bacteria could help prevent food poisoning from bacteria in raw tomatoes!
(9.6 MB, 10.5 minutes)
Have you ever wondered why mozzarella bubbling and stretching between pizza slices is so different from the earthy flavors of blue-veined gorgonzola? The diversity of cheeses we love are created by encouraging and manipulating the growth of specific microbes. The American Socie... Read More
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)
Vincent and Dickson discuss how malaria parasites induce odors in their rodent hosts that attract mosquitoes.
This episode: Virus helps to modify mice such that certain colors of light can cause or prevent pain!
(10 MB, 10.8 minutes)
Vincent and Dickson welcome new TWiP host Daniel Griffin to discuss the association of a new Mycoplasma with trichomoniasis, and to introduce a new feature to the show, a case study.
Sulfur-indole-motility test (SIM media) results for:
(A) Escherichia coli: Motile***, hydrogen sulfide (-), indole (+)*
(B) Staphylococcus aureus: Non-motile, hydrogen sulfide (-), indole (-)
(C) Salmonella arizonae: Motile, hydrogen sulfide (+)**, indole (-)
(D) Enterobacter aerogenes: Mot... Read More
This episode: Bacteria symbiotic with sea sponges make many potentially useful compounds!
(8.3 MB, 9 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.
Vincent and Dickson discuss the exchange of messenger RNAs between a parasitic plant and its hosts.
Vincent and Dickson discuss the spread of P. knowlesi in Malaysia, and how Leishmania parasites protect the sandfly gut from bacterial infection.
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
The pathogen Escherichia coli O157:H7 can spread, likely airborne, more than one tenth mile downwind from a cattle feedlot onto nearby produce, according to a paper published ahead of print in Applied and Environmental Microbiology. The high percentages of leafy greens contaminated with E. coli ... Read More
Vincent, Dickson, and Daniel provide the solution to last week's case study, present a new one, and discuss how immune suppression by nematodes increases tuberculosis fatality in African buffalo.