As the old saying goes, can beat a pound of the Shigella bacteria, seen here penetrating the intestinal mucosa of some poor soul.
Killing approx. 1 million people annually - most of them children, Shigella is best prevented by two simple strategies: washing hands before handling food & thorou... Read More
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
Cladosporium carrioni in chromomycosis. Brown Sclerotic cells. H & E stain Read More
Cartoon of a couple of bacteria having marital problems. Via Wikipedia Commons. Illustration by Gaspirtz. Read More
Acid fast colony (triple stain) in blood culture of a patient with untreated pulminary tuberculosis Read More
Corynebacterium - Tissue section. H & E stain. Diphtheritic tonsillitis Read More
Gram-negative rods, possibly E. coli. (approx. 1000 X). Taken from the Wistreich Collection. Read More
This photomicrograph depicted a number of Gram-positive, endospore-forming Bacillus anthracis bacteria. B. anthracis is the pathologic microorganism responsible for the disease “anthrax”, an acute infectious disease, which most commonly occurs in wild and domestic vertebrates (cattle, sheep, goa... Read More
Under a plate magnification of 37,800X, this colorized transmission electron micrograph (TEM) depicted the A/New Jersey/76 (Hsw1N1) virus, while in the virus’ first developmental passage through a chicken egg. 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
This image by Dr. Arlene Wechezak, Anacortes, Washington, United States, won 10th place in Nikon's 2009 Small World microscopy competition. Nikon's Small World Twitter feed (@NikonSmallWorld) is currently showcasing algae and larvae that are in danger in the Gulf oil spill. Read More
Gram-negative rods. (approx. 1000 X). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. 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
This is a scanning electron micrograph of Plasmodium gallinaceum, which causes malaria in poultry, invading the midgut of the Aedes aegypti mosquito.
"Fighting Drug-Resistant Malaria"
Rick Fairhurst and Others at NIAID Go Global
By Kristofor Langlais, NICHD, for the NIH Catal... Read More
Blastomyces dermatitidis. Yeast from tissue smear. Gomori methenamine silver nitrate stain. (400x) Read More
Here are photographs I took during our visit to Cold Spring Harbor Laboratory to record This Week in Microbiology #40. We roamed around campus scouting locations befo... Read More