This episode: Hoopoes inoculate their eggs with protective bacteria!
(6.5 MB, 7 minutes)
Rothia dentocariosa. Granular microcolonies, 18 hour aerobic growth on trypticase soy agar (250X) Read More
The results of a pour plate using Serratia marcescens as the inoculum. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
The Human Microbiome Project has spent two years surveying bacteria and other microbes at different sites on 242 healthy people. The chart below hints at the complex combinations of microbes living in and on the human body.
The New York Times - Science Read More
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
Bacitracin test done on a lawn of Streptococcus pyogenes grown on blood agar. The zone of inhibition around the bacitracin disc, approx 14mm measuring the entire length of the zone, indicates sensitivity. The zone of inhibition is red because the red blood cells did not lyse. Grown for 24 hr... Read More
Click source to view images of workers throwing away cucumbers to be destroyed at an agriculture facility near Bucharest on Monday, June 6, as sales collapsed in Romania's markets due to the fear of E. coli contamination. Read More
Swab taken from the lab table top and incubated on TSA for 48 hrs, left at room temperature for 72 hrs then held at refrigerated temperature for a month. Pictured is one of the resulting fungal growths: white with no spore formation, droplets can be seen as possible result of respiration. Read More
This digitally-colorized transmission electron micrograph (TEM) revealed the presence of hepatitis B virions. The large round virions are known as Dane particles.
Hepatitis means inflammation of the liver. Toxins, certain drugs, some diseases, heavy alcohol use, and bacterial and viral infec... Read More
The slide was prepared from blood of infected animals (cattle). The smear was stained with poly-chrome methylene blue which demonstrated blue colored bacillary body and light pink colored capsule (McFadyean's reaction).
The animal had the symptoms of high fever, convulsion and sudden death. ... Read More
Blastomyces dermatitidis in pus from a dressing. Two characteristic budding cells are present. Note broad base building Read More
photograph of carcass of swine showing lesions of swine erysipelas (b&w) Read More
This colorized negative-stained transmission electron micrograph (TEM) depicts the ultrastructural details of a number of influenza virus particles, or “virions”. A member of the taxonomic family Orthomyxoviridae, the influenza virus is a single-stranded RNA organism
The flu is a contagious r... Read More
This photograph depicts the colonial growth pattern displayed by Salmonella typhimurium bacteria cultured on a Hektoen enteric (HE) agar medium; S. typhimurium colonies grown on HE agar are blue-green in color, for this organism is a lactose non-fermenter, but it does produce hydrogen sulfide, (... Read More
Little brown bat; close-up of nose with fungus, New York, Oct. 2008.
Credit: Photo courtesy Ryan von Linden/New York Department of Environmental Conservation
What is white-nose syndrome?
In February 2006 some 40 miles west of Albany, N.Y., a caver photographed hibernating bats with an unusu... Read More
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