Podcasts

TWiV310videothumbsmallWatch Latest Video Subscribe to Video Feed

ICAAC-Live-Banner

twiv_banner

twim_mwsite_badge

bacteriofilesbanner

isbadge

yellowstonelogo

Subscribe Learn More

mts_banner

This Week in Parasitism

a-radio

MicrobeWorld App

appsquarebannerad200x200

Microbes After Hours

MWbannerEbola

Click for more "Microbes After Hours" videos

Join MicrobeWorld

Subscribe via Email

subscribe

Featured Image

Featured Video

Ebola Virus explained

Supporters

ASM House 200X200

Getting Started with MicrobeWorld

More "How to" Videos:
| |
|

Using Wordcloud-Reponses to Discover How Students Perceive Concepts in the Classroom

In this blog, I share some "first word that comes to mind" responses of my freshman biology class to the words "germ," "bacteria," "cell," and "DNA." The way that we perceive an idea or concept definitely impacts our relationship with it. Thus, finding out what students think, coming into our ... Read More

Fungus on toilet seat

Culturing microbes on nutrient plate and testing for different kind of microbes on specific environment areas. This inoculated nutrient plate that was left for a period of 14 days showed the present of a few different kind of fungus species. It’s common to think that the human palm contains more... 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

Vibrio cholerae serotype O1 biotype ogawa isolated on TCBS agar in Sukraraj Tropical and Infectious Hospital , Kathmandu , Nepal .

Vibrio cholerae was isolated in the capital city Kathmandu , where as it causes cholerae endemic in certain remote parts in the country every year . Vibrio cholerae O1 ogawa serotype was isolated and identified after growth in TCBS agar and subcultured on HIA plate and performed oxidase test (+... Read More

Enterobacter aerogenes on MacConkey Agar (Mac)

Streak plate isolation of Enterobacter aerogenes grown on MacConkey agar for 24 hours at 37 degree's. Colonies grow pink due to fermentation of lactose. Read More

Beauty of Ecoli colony in EMB plate

Ecoli isolated from food sample in our laboratory Read More

Fungus on toilet seat (clearer view)

microbes in the environment: there are about 4 to 5 different colonies of bacteria which is growing in agar plate; sample from library toilet seat. (front view) Read More

possible strongyloides

Taking pics of my dog. Recently diagnosed with Strongyloides but no better after treatment.any suggestions? 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

Introducing the Thanatomicrobiome

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

Mycobacterium smegmatis

Mycobacterium smegmatis grown on TSA for 96 hrs.
Read More

Methicillin-Resistant Staphylococcus aureus (MRSA) Bacteria

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus bacteria (yellow, round items) killing and escaping from a human white cell. Credit: National Institutes of Health/Department of Health and Human Services (NIAID) 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

Halloween microbes

Strep agalactiae (Group B Strep) streaked out on Granada plates. Usually this media is used to screen for Group B in pregnant patients, the strep will grow as bright orange colonies while any other growth will be colorless. Perfect for a little Halloween fun...follow me on instagram @stylish_str... 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

Endospore Stain Bacillus cereus

B. cereus was grown on urea agar for 6 days at 37 degrees C to induce spore formation.
The endospore stain was done using malachite green as the primary stain and safranin as counter the stain. Malachite green was applied to the smear and set over a steaming water bath for 10 min (stain was no... Read More

Dangerous enterohemorrhagic bacteria E. coli

Most Escherichia coli (E.coli) strains are harmless.But some, like enterohemorrhagic E. coli (EHEC), are a hazard to human health and life. Read More

Which is the morphology of this micro-organism?

Please help me! I am planning to identify this microorganism by API but I can not identify the shape (rod or cocci). This microorganism has positive oxidase. Its colony is red, irregular, flat.
Please teach me. Thanks so much! Nhu Thuy from Vietnam
Read More

Ice Nucleation Bacteria, Twitter, and Me!

In this post from my microbiology/education blog, I discuss a post on Boing Boing recently that used a video I had made of ice nucleation bacteria. Ice nucleation bacteria are very interesting of course, and I link to the Boing Boing post. In addition, I provide an additional video of students... Read More

Starch Agar

Starch agar contains high molecular weight starch molecules (soluable starch). When Iodine is added it reacts with starch to produces a dark brown/purple color. A zone of clearing forms around organisms that produce the exoenzyme amylase after addition of iodine. This plate was incubated for ... Read More
Page 1 of 9

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