MicrobeWorld

mixed escherichia coli and staphylococcus aureus smear gram stain (1000x) Read More

Escherichia coli and Salmonella derby on XLD agar Read More

Clostridium botulinum on egg yolk agar. Note a absence of precipitate around colonies. 5X - LeBeau Read More

Blood agar culture of sputum from patient with pneumonia. Compromised host. Colonies of Candida albicans and Pseudomonas aeruginosa. Note hemolysis around colonies of Pseudomas aeruginosa and colony morphology. Read More

. . . to do YOUR part to help stamp out what are now called STI's. Funny how as our knowledge of STI's and our ability to treat them has bloomed, our societal level of comfort with such PSAs seems to have withered. I used to see cleverly designed (and carefully/antiseptically couched) PSAs ab... Read More

This Gram-stained specimen reveals N. gonorrhoeae intracellular diplococci, leading to a positive diagnosis of gonorrhea.

The genus Neisseria consists of aerobic, non-spore-forming Gram-negative coccobacilli, which inhabit the mucous membranes of humans. These microbes require a moist environ... Read More

Gram-negative rods and coccobacilli. (Proteus vulgaris) (approx X1000). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Salmonella sp. colonies on XLD media Read More

Saints preserve us from this one. A highly contagious hemorrhagic fever, Marburg is less well known that it's cousin Ebola, (they're both members of the deeply troublesome Filovirus family) but no less deadly.
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Cyanobacteria (Phormidium) with the vital stain Sytox Green. These cells are dead (green). White arrow shows other bacteria living in association with the cyanobacteria. Read More

Entomophthora coronata in tissue. Splendore-Hoeppli effect. H & E stain (450X) Read More

Exophiala jeanselmei. 37 Days at 30C on cornmeal agar. Dark brown slow-growing colony Read More

Plasmodium malariae band form trophozoite. (1000X). Read More

Flagella stain of Salmonella typhi. (approx. 1000 X). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Anaerobic jar Read More

slide of a gram stain from blood agar smear Read More

H and E stained lung sections of patient from whom the legionella pneumophila was isolated stained with CDC's modification of the Dieterle silver impregnation procedure. Note the small, blunt pleomorphic intracellular and extracellular bacilli which stain brown to black against a pale yellow bac... Read More

Plasmodium falciparum male and female gametocyte (1000X) Read More

Photomicrographs of smears of fowl blood showing Borrelia anserina Read More

tetanus in a mouse showing body curvature (opisthotonos) Read More