Podcasts


MWV103 thumb157
Watch Latest Video Subscribe to Video Feed

MMP Badge2

TWiP 200x200

TWiVand Friends2015badge

twim_mwsite_badge

bacteriofilesbanner

isbadge

yellowstonelogo

Subscribe Learn More

mts_banner

a-radio

MicrobeWorld App

appsquarebannerad200x200

Microbes After Hours

microbes-after-hours-logo
Click for "Microbes After Hours" videos

Agar Art Contest 2016

AgarArt-MicrobeWorld-200x200

Featured Image

Featured Video

MWV102featured

Join MicrobeWorld

Supporters

ASM House 200X200

Subscribe via Email

subscribe

Getting Started with MicrobeWorld

More "How to" Videos:
| |
|

Fluid Thioglycollate Media

Organisms grown in Fluid Thioglycollate Media w/out resazurin dye is a reducing media that uses sodium thioglycollate to chemically combine with dissolved oxygen to deplete the oxygen in the media. All organism except for Neisseria sicca were grown for 48 hours at 37 degrees C. Neisseria sicca i... Read More

Streptococcus mitis on blood agar

Growth of Streptococcus mitis on blood agar demonstrating alpha hemolysis seen as a greenish color around the growing colonies due to a reduction of the hemoglobin to methemoglobin in the surrounding agar. Image taken using transmitted light. Read More

Methicillin-resistant Staphylococcus aureus

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus and a dead human neutrophil. Credit: National Institutes of Health/Department of Health and Human Services (NIAID). Read More

Fungus in my brothers sports drink

Unopened sports drink containing a fungal contaminant Read More

Physarum polycephalum Different view

Physarum polycephalum, slime mold, grown in a large perti plate on moist paper towels using oatmeal as the food source. Culture was grown in the dark at room temperature. The paper towel was moistened every day with tap water. After 3 week’s the culture formed sporangia (fruiting bodies). Image ... Read More

Bacillus subtilis

Streak plate isolation showing colonial morphology of Bacillus subtilis on trypticase soy agar (TSA) incubated for 24 hours at 37oC. Note the rough and dry/matte texture characteristic of this organism’s growth. Read More

MaConkey Agar (Mac)

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

Spiraled microbe

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

Trichome

Pictured is a plant structure called a trichome that was found in a felines' urine sediment collected by cystocentesis. It is surrounded by many cocci and debris. The picture was taken with a smartphone at 400x magnification with no staining. Read More

S. aureus on MSA Plate

For my medical microbiology course at Kutztown University of Pennsylvania we were asked to take a sample from our nose. Using a sterile cotton swab, a sample was taken from a nostril and then spread onto the Mannitol Salt Agar plate supplied. The plate was incubated at 37 degrees Celsius, then e... Read More

Beauty of Ecoli colony in EMB plate

Ecoli isolated from food sample in our laboratory Read More

fluorescent from Chicago River!

A group of students (Adrienne Linzemann, Jose Aveja, Elsa quintero), staff (William Thompson), and faculty (Farahnaz Movahedzadeh) from Harold Washington College participated in Chicago River interdisciplinary project with the leadership of VP Margie Martyn, and isolated Pseudomonas fluorescens ... 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

Lactose fermenting E.coli after overnight growing on MacConkey agar

MacConkey agar plate with invasive lactose fermenting E.coli which was isolated for fatal case of neonatal septicemia.
Photo was taken after 12h incubation under 37C.
Credits: Povilas Kavaliauskas, Vilnius University, Lithuania. Read More

Beautiful image of different microbes in CLED medium

This image results from a project called "Initiation to microbiology investigation" accomplished by young students, where they collected a sample from a table surface and by inoculation they put it in CLED (cystine lactose electrolyte deficient) medium. Beautiful colonies of bacteria and fungu... Read More

Brain infection study reveals how disease spreads from gut

Diagnosis of deadly brain conditions could be helped by new research that shows how infectious proteins that cause the disease spread. Read More

Unknown - Identification Help Please

I am in need of some assistance in Identifying a bacteria species. I am unable to locate a match in Bergey's Manual. Our copy is 20 years out of date. I know the photo isnt great, it was taken with a cell phone. The colonies are hot pink and were cultured on TSA slant. It is gram + micrococci, i... Read More

Can You Protect Your Tummy From Traveler's Diarrhea?

It goes by many names: Delhi belly. Montezuma's revenge. The Aztec two-step. But doctors use one not-so-glamorous term: traveler's diarrhea. Read More

BacterioFiles 213 - Bird Bacteria Bolster Babies

This episode: Hoopoes inoculate their eggs with protective bacteria!


(6.5 MB, 7 minutes)


Show notes: 
News item/ Read More

Micrococcus luteus line inoculation

Line inoculation of Micrococcus luteus on a TSA slant showing Filiform, uniform growth, along the margin. Culture was grown for 3 days at 37 degrees, M. luteus usually takes 3+ days for good growth. Read More

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