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Self-organizing proteins

Under the microscope, an E. coli cell lights up like a fireball. Each bright dot marks a surface protein that tells the bacteria to move toward or away from nearby food and toxins. Using a new imaging technique, researchers can map the proteins one at a time and combine them into a single image.... Read More

Influenza Virions (1973)

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

From Microbes to Crude

Accompanying the previous NYT article 'Tracing Oil Reserves to their Tiny Origins" is this graphic which depicts the oil formation process. Read More

Mycena species

Mycena species on rotten and decaying wood Read More

Colorful cells

Actin (purple), microtubules (yellow), and nuclei (green) are labeled in these cells by immunofluorescence. This image won first place in the Nikon 2003 Small World photo competition.

Torsten Wittmann, Scripps Research Institute Read More

Listeria monocytogenes against brain macrophages.

Listeria monocytogenes has a particular tropism for the central nervous system. To gain knowledge about the immune response elicited by L. monocytogenes in the brain, we used a rat ex-vivo organotypic nervous system culture as a model for Listeria infection. Brain sections were maintained severa... Read More

Conidiophores of Aspergillus fumigatus

Conidiophores of Aspergillus fumigatus formed in a pulmonary cavity Read More

Virions of a hantavirus known as the Sin Nombre virus (SNV).

This transmission electron micrograph (TEM) revealed the ultrastructural appearance of a number of virus particles, or “virions”, of a hantavirus known as the Sin Nombre virus (SNV).

In November 1993, the specific hantavirus that caused the Four Corners outbreak was isolated. Using tissue fro... Read More

Mini Microbe Portraits From the Micropolitan Museum

Tired of the portraits, landscapes and abstract art that peppers the walls of most art museums? According to Dutch photographer Wim von Egmond, there’s one art subject that has been ignored for centuries and finally deserves its due: microscopic organisms.

As the head of the Inst... Read More

Fruticose lichen

A fruticose (leaflike) lichen. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Little brown bat: White-nose fungus

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

Toxoplasma gondii oocysts from cat feces

Toxoplasma gondii oocysts from cat feces. Taken from the Wistrich Collection. Read More

1918 influenza virions

This negative stained transmission electron micrograph (TEM) shows recreated 1918 influenza virions that were collected from supernatants of 1918-infected Madin-Darby Canine Kidney (MDCK) cells cultures 18 hours after infection.

To separate these virions, the MDCK cells are spun down (centrif... Read More

Absidia corymbifera

Absidia corymbifera in a transplantable 'tumor' of the mouse Read More

Legionella pneumophila colonies

Under a low magnification of 5X, this photograph depicted a number of Legionella pneumophila colonies that had been cultivated on Feeley-Gorman (FG) agar. Note the “cut-glass” appearance displayed by the round, off-white colored colonies. FG agar is used particularly in the cultivation of Legion... Read More

“Suspected” smallpox scab fragments, from the archives of the Virginia Historical Society

This image depicts a number of what were “suspected” smallpox scab fragments, from the archives of the Virginia Historical Society (VHS).

These fragments came to light when the Museum was in the process of putting together an exhibit entitled, “Bizarre Bits”, chronicling its collection dating... Read More

Blastomyces dermatitidis

Blastomyces dermatitidis in pus from a dressing. Two characteristic budding cells are present. Note broad base building Read More

Physarum polycephalum Different view

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

Gram-negative rods

Gram-negative rods, possibly E. coli. (approx. 1000 X). Taken from the Wistreich Collection. Read More

Mycobacterium tuberculosis. Young colony on brain heart infusion. A virulent strain

Mycobacterium tuberculosis. Young colony on brain heart infusion. A virulent strain Read More
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