Kirby-Bauer disk diffusion susceptibility test on coagulase-negative Staphylococcus aureus and E.coli grown on Mueller-Hinton agar with tetracycline (30 µg), cephalothin (30 µg), erythromycin (15 µg), chloramphenicol (30 µg), vancomycin (30 µg), penicillin (10 µg), streptomycin (10 µg), and novo... Read More
This episode: Cable bacteria and algae set up electric grid in sediments!
(6 MB, 6.5 minutes)
This episode: When digesting wood, shipworms outsource their microbial symbionts from gut to gills!
(9.7 MB, 10.6 minutes)
The TWiPtastic trio solves the case of the Surfer from Switzerland, and reveal how taste-chemosensory tuft cells in the gut regulate immune responses to parasites.
Important ingredients: 6.5% salt, dextrose, bromcresol purple
Differential/Selective: used to test for salt tolerance and can be used to identify enterococcal group D streptococci. NaCl is a selective agent and those organisms that can grow in higher salt concentrations also ferment the dextro... Read More
Recognizing the importance of the public health emergency of the Ebola outbreak in western Africa, the organizers of the Interscience Conference on Antimicrobial ... Read More
Gram stain done on S. pyogenes showing the characteristic long G+ streptococcus chains. Culture grown on blood agar for 48 hrs at 37 degree’s C. Read More
Tom talks with Vincent about viral central nervous system infections of global importance, Ebola virus, and running the fastest marathon dressed as a doctor.
Host: Vincent Racaniello
Guest: Ileana Cristea
Vincent meets up with Ileana at Princeton University to talk abou... Read More
My name is Jim from Vancouver. I have no formal education in phraseology but am an enthusiastic follower of TWIP, TWIM & TWIV.
Recently I followed a program about yeast infections and the threat to public health they can pose. Read More
This episode: A conversation with Cat Adams about how fungi help plants clean up toxic zinc nanoparticles in soil!
(14.6 MB, 16 minutes)
A simple stain done on a stock culture of Aquaspirillum serpens to look at cell shape. This culture was grown in TSB at room temperature, ~21 degrees C, for several months. Aquaspirillum is a slow grower normally found in pond water. A characteristic spiral rod can be seen in the center of ... Read More
This episode: Bacteria in soil signal to fungi to save them from predatory roundworms!
(9.9 MB, 10.8 minutes)
The following picture shows the isolated black colonies of Salmonella on Salmonella-Shigella (S-S) Agar. S-S Agar is used as a selective and differential medium for the isolation of Salmonella and some Shigella species. The inclusion of bile salts is to inhibit gram-positive organisms. Ferric ci... Read More