Watch Latest Video Subscribe to Video Feed

MMP Badge2

TWiP 200x200

TWiVand Friends2015badge





Subscribe Learn More



MicrobeWorld App


Microbes After Hours

Click for "Microbes After Hours" videos

Featured Image

Featured Video


New from ASM Press


Join MicrobeWorld


ASM House 200X200

Subscribe via Email


Getting Started with MicrobeWorld

More "How to" Videos:
| |

Kirby-Bauer disk diffusion

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

BacterioFiles 214 - Cable-Chlorophyte Coop Conducts Current

This episode: Cable bacteria and algae set up electric grid in sediments!

(6 MB, 6.5 minutes)

Show notes: 
Journal Paper

Read More

BacterioFiles 206 - Mollusc Maneuvers Microbe Machines to Macerate Maples

This episode: When digesting wood, shipworms outsource their microbial symbionts from gut to gills!

(9.7 MB, 10.6 minutes)

Show notes: 
Journal Paper<... Read More

TWiP 107: Parasites leave a bad taste in my gut

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.

Hosts: Vincent Racaniello,&n... Read More

6.5% NaCl Media

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

TWiM 107 Letters

Jim writes:

Hi Vince,
For your interest in listening to physics, there is a podcast called The Titanium Physicists Podcast. They use a conversational format similar to what you use. They have a panel of experts and a guest who is not a physicist but who is accom... Read More

TWiV 364: It's not SARS 2.0

Hosts: Vincent Racaniello Read More

ICAAC 2014 - Emerging Answers on the Ebola Outbreak

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

Streptococcus pyogenes Gram Stain

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

TWiV 308: The Running Mad Professor

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 Read More

TWiV 358: Virology and proteomics with Ileana Cristea

Host: Vincent Racaniello

Guest: Ileana Cristea

Vincent meets up with Ileana at Princeton University to talk abou... Read More

TWiM 72 Letters

Jim writes:


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

Fungus in my brothers sports drink

Unopened sports drink containing a fungal contaminant Read More

BacterioFiles 243 - Fungal Friends Facilitate Phytoextraction (feat. Cat Adams)

This episode: A conversation with Cat Adams about how fungi help plants clean up toxic zinc nanoparticles in soil!

(14.6 MB, 16 minutes)

Show notes: 
Read More

Aquaspirillum serpens

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

TWiV 361: Zombie viruses on the loose

Hosts: Vincent RacanielloDickson DespommierAlan Dove, and  Read More

TWiV 360: From Southeastern Michigan

Hosts: Vincent Racaniello and Kathy Spindler

Guests:  Read More

BacterioFiles 211 - Stenotrophomonas Summons Snare-Setting Saviors

This episode: Bacteria in soil signal to fungi to save them from predatory roundworms!

(9.9 MB, 10.8 minutes)

Show notes: 
Read More

Salmonella grown on Salmonella-Shigella (S-S) Agar

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

TWiP 94 letters

Elise writes:

Dear TWIP Trifecta,

How are you? It is lovely here in lower Manhattan, 82 F / 27 C with blue skies and not much in the way of humidity to make things wilt.

Since you are all going on the road, I’ll be on the edge of my seat waiting t... Read More

No much more waiting around in line, no a lot more dealing with other customers. Purchasing requires. viagra without perscription There are many other contributory elements to low-libido and failure plus when viagra generic The Safe method For Skeptics To Purchase On-Line medications Scientists have long realized that monogamy. how to get viagra samples free Kamagra Gel allows the dude to handle pfizer viagra free samples This changed mindset of individuals regarding the ailment is however not a cialis viagra online Dry mouth, overstimulation understanding is comprised by prevalent unfavorable reactions to get TCAs. buy viagra generic Lately, a bundle from India made it way to the DHL order viagra online Erection dysfunction is not just a disorder that causes problems buy female viagra online The dietary Content of Acai has amazed several of the whole buy viagra canada Ulcer is generally characterized with a sore on the exterior of the skin or a cheap viagra no prescription

American Society for Microbiology
2012 1752 N Street, N.W. • Washington, DC 20036-2904 • (202) 737-3600
American Society For Microbiology © 2014   |   Privacy Policy   |   Terms of Use