A colorized electron microscope image captures delicate chains of streptococcus in a laboratory sample. Though some strep infections can be deadly, many strains are harmless—among the thousands of benign beings that make their home in our bodies.
Photograph by Martin Oeggerli, with support fr... Read More
Photosynthetic microbial mats forming large conical structures up to half a meter tall have been discovered by astrobiologists in Lake Untersee, Antarctica. This research is described in an article in the May 2011 issue of the journal Geobiology.
Lake Untersee is located at 71°20'S, 13°45'E i... Read More
Lactose fermenter (escherichia coli) on Russell's double sugar agar Read More
Richard Lenski, Hannah Distinguished Professor, Michigan State University, at the American Association for the Advancement of Science meeting in Vancouver, British Columbia. Read More
Under a relatively low magnification of 121X, this digitally-colorized scanning electron micrograph (SEM) of an untreated water specimen extracted from a wild stream mainly used to control flooding during inclement weather, revealed the presence of unidentified organisms, which included bacteria... Read More
Photograph of hematoma-like swelling off the caruncle of turkeys infected with Erysipelothrix rhusiopathiae. Please submit your microscopy and culture images to MicrobeWorld. Upload them with the 'Image' box checked. Read More
Herpes simplex, type 1. Isolate in human fetal diploid cell cultures, identified by direct FA staining (R.W. Emmons) Read More
Auxarthron (Myxotrichium) umbrinum. Arthrospores closely resemble those of C. immitis. Isolated in Death Valley, California soil Read More
Photograph of a poster issued by the Chinese government in the late 1970s depicting the spread of hookworm to humans by the use of human feces as fertilizer. A prevention method is also illustrated - wearing shoes. These posters have been in the office of Dickson Despommier since the 1970s. Read More
escheria coli bacteriophage plaque count. four dilution plates (10x) Read More
Cladosporium trichoides hyphae in brain abscess. Case of Dr. Barnola. PAS stain. Human Read More
Bioluminescent art blends science and creativity to create images that can only be seen in the dark. What do you get when you add a chemical engineer, a graphic designer and a research scientist? Beautiful art. In a wondrous combination of nature and design, bioluminescent art involves using nat... Read More
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
As researchers, sneakers on, trickled out of UC San Francisco’s Genentech Hall on a warm, windless evening this week, assorted persons with stylish glasses and prettier footwear made their way against the flow and into the building’s marble atrium.
The California College of the Arts and the ... Read More
Its a lot more crowded in your cubicle than you probably thought eh? With these little guys, even when you're by yourself you're never alone! Read More
Trichomonas vaginalis is a protozoan parasite of the urogenital tract in men and women and causes a sexually transmitted disease, trichomoniasis, in about half of infected women. Infections are associated with pelvic inflammatory disease, adverse pregnancy outcomes, infertility, an increased inc... Read More
The production of Metallo-β-lactamase is one of the resistance mechanisms of Pseudomonas aeruginosa. Metallo-β- lactamases are members of Group B in the molecular classification of Ambler and are Clavulanic acid resistant enzymes which require divalent cations of zinc as co-factors for enzymat... Read More
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
This is a joint project with water color artist Sarah Roberts to study the interaction of bacteria with traditional water colors. Many different types of bacteria have been assessed but only two so far, can be said to paint. When the white pigmented bacterium Proteus mirabilis, and the red Serra... Read More