As a closer view of PHIL 12265, this photograph depicts the colonial morphology displayed by Gram-negative Yersinia pestis bacteria, which was grown on a medium of sheep's blood agar (SBA), for a 72 hour time period, at room temperature. Y. pestis is the bacterium responsible for causing the inf... Read More
Simple stained preparation of Bacillus species showing rods and spores. (approx. X 970). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
tissue section h & e strain diptheritic tonsillitis Read More
Scanning Electron Micrograph of Burkholderia cepacia.
Burkholderia cepacia is the name for a group or “complex” of bacteria that can be found in soil and water. B. cepacia bacteria are often resistant to common antibiotics.
B. cepacia poses little medical risk to healthy people. However,... Read More
Under a magnification of 200x, and using a lactophenol cotton blue mount fixation technique, this photomicrograph reveals some of the ultrastructural morphology exhibited by a Mucor sp. fungal organism. This image depicts two sporangia, a mature structure, which had ruptured, releasing its conte... Read More
Magnified 1125X, this photomicrograph revealed some of the ultrastructural morphology displayed by the dematiaceous (pigmented) filamentous fungus, Phialophora richardsiae.
Note the septate hyphae from which sprout the short conidiophores, and still further distally one can see the flask-shap... Read More
Subglacial outflow from the Taylor Glacier in the McMurdo Dry Valleys, Antarctica. Iron and salt precipitates form where subglacial brine flows from the Taylor Glacier, lending a bright red color to the glacier snout, which is commonly referred to as Blood Falls. The episodic release of subglaci... Read More
Cytomegalovirus in human foreskin cell culture. Showing dark staining intranuclear inclusion bodies. Gimesa stain Read More
Specific F.A. staining of pleomorphic organisms in sputum of patient with tuberculosis Read More
throat culture on blood agar and tellurite medium. black colonies on tellurite medium are Corynebacterium diphtheriae Read More
Paracoccidioides brasiliensis. Tissue form grown in vitro at 37C Read More
This color-enhanced photomicrograph shows different species of bacteria that cause dental plaque - a colorless film that forms on teeth caused by the growth of bacterial colonies. Plaque develops naturally, and in most cases can be easily removed with regular brushing. However, if left it can ha... Read More
This is an interesting image I found on Flickr. The shiny yellowish/green stuff is e.coli. It is growing on media and from a urine culture. Read More
Simple crystal violet stained preparation mainly consisting of B. subtilis spores with a few scattered rods. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
This electron micrograph depicts an amoeba, Hartmannella vermiformis (orange) as it entraps a Legionella pneumophila bacterium (green) with an extended pseudopod.
After it is ingested, the Legionella pneumophila bacterium can survive as a symbiont within what then becomes its protozoan host. ... Read More
The Small Things Considered blog has a post by Fred Neidhardt, F.G. Novy Distinguished University Professor, Emeritus, Department of Microbiology and Immunology, University of Michigan Medical School at Ann Arbor, that looks at two photos snapped by 19-year-old Casey Gutteridge at the Santago Ra... Read More
photograph of hematoma-like swelling of the caruncle of turkeys infected with Erysipelothrix rhusiopathiae Read More
H and E Stained lung sections of patient from whom the Legionella pneumophilia was isolated, showing inter-alveolar exudation of macrophages and poly-morphic leukocytes. Legionella pneumophilia is not stained Read More
B. anthracis Colony Characteristics: A. Consistency sticky (tenacious). When teased with loop, colony will stand up like beaten egg white.