Blastomyces dermatitidis in pus from a dressing. Two characteristic budding cells are present. Note broad base building Read More
In a study released today in Nature Genetics, researchers have found that Chlamydia has evolved more actively than was previously thought. Using whole genome sequencing the researchers show that the exchange of DNA between different strains of Chlamydia to form new strains is much more common th... Read More
The 1918 Spanish flu epidemic was caused by an influenza A (H1N1) virus.
Responsible for more deaths during World War I than all the bombs, bullets, poison gases, & artillery shells used, it killed more than 500,000 people in the United States, and up to 50 million worldwide.
The possible so... Read More
Rockweed algae on rocks in cold ocean water. From the Wistreich Collecction, appearing exclusively on MicrobeWorld. Read More
Individual bacteria in this photo are oblong and colored brown. As an alternative to using antibiotics for fighting E. coli infections in newborn and weaned pigs, scientists are finding promising results from introducing mixes of beneficial bacteria, obtained from other pigs, into the gut of you... Read More
Cartoon of a couple of bacteria having marital problems. Via Wikipedia Commons. Illustration by Gaspirtz. Read More
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
Mycobacterium tuberculosis. Young colony on brain heart infusion. A virulent strain Read More
Legionella pneumophilia in yolk sac of embryonated egg as stained by the Gimenez method Read More
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
This is an image of Clostridium difficile colonies grown on cycloserine mannitol agar after 48 hours.
C. difficile, an anaerobic gram-positive rod, is the most frequently identified cause of Antibiotic-Associated Diarrhea (AAC). It accounts for approximately 15-25% of all episodes of AAC.
... Read More
Conidiophores of Aspergillus fumigatus formed in a pulmonary cavity Read More
A fruticose (leaflike) lichen. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
Picture of Couple Kissing in Mexico City with Surgical masks on During Swine Flu Outbreak. From The Guardian UK. Article link here http://www.guardian.co.uk/world/2009/apr/26/swine-flu-outbreak-mexico-pandemic. Photo by Alfredo Estrella/AFP/Getty Images Read More
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
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