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Histoplasma capsulatum

Histoplasma capsulatum in gingival tissue. GMS stain. (400X) Read More

Illustration of sites of embryonated egg inoculation

Illustration of sites of embryonated egg inoculation Read More

Zoonotic villains #6 - Streptococcus group C

Mmmmm, kinda looks like couscous right?
Well, though it might resemble a tasty side dish that's beloved in the Maghreb, it's actually a gnarly bacteria that causes URI's (upper respiratory infections) in both humans & animals.
Humans can prevent it by refraining from drinking unpasteurized mil... Read More

Streptococcus pneumoniae

Electron micrograph of type 4 Streptococcus pneumoniae adherent to pharyngeal epithelial cell Read More

A Microbial Hallowe'en, Part I

My mathematician wife "painted" onto a marine nutrient plate using a bioluminescent bacterium---as you can see, she loves Einstein. And I love microbiology. Hence the intersection! Read More

Neisseria meningitidis in sputum. Gram stain (1000X)

Neisseria meningitidis in sputum. Gram stain (1000X) Read More

Treponema pallidum

Electron micrograph of Treponema pallidum from a patient Read More

Hepatitis B virions with Dane particles

This digitally-colorized transmission electron micrograph (TEM) revealed the presence of hepatitis B virions. The large round virions are known as Dane particles.

Hepatitis means inflammation of the liver. Toxins, certain drugs, some diseases, heavy alcohol use, and bacterial and viral infec... Read More

Family Ixodidae - Hard Tick Mouthparts

This is an Portuguese Hard Tick´s unpublished image, taken on a Parasitology class, at Faculty of Pharmacy, University of Lisbon. Here we can see the three mouthparts components: the highly mobile palps are the two outside jointed parts ; the center rod-shaped structure, the hypostome, is pro... Read More

Supernova bacteria

Bacteria engineered to act as genetic clocks flash in synchrony. Here, a "supernova" burst in a colony of coupled genetic clocks just after reaching critical cell density. Superimposed: A diagram from the notebook of Christiaan Huygens, who first characterized synchronized oscillators in the 17t... Read More

Life Found in the Deepest, Unexplored Layer of the Earth’s Crust submit to reddit . .

At this point, after finding microorganisms that don’t mind extreme temperatures, pressure, aridity and other hardships, we shouldn’t be surprised that bacteria’s dominion over the Earth extends to just about anywhere we look. A new expedition to the Earth’s crust has reached unprecedented depth... Read More

Life cycle (illustration) of Chlamydia trachomatis

Life cycle (illustration) of Chlamydia trachomatis Read More

The Hershey-Chase food blender

Should you ever visit Cold Spring Harbor Laboratory on Long Island, New York, be sure to go see the food blender that was used to carry out the well known Hershey-Chase experiment. The blender is located in the Szybalski Reading Room of the Carnegie Library. After entering the front door of the ... Read More

Micrococcus lutea

Circular, entire, smooth, yellow colonies of Micrococcus lutea. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Blastomyces dermatitidis

Blastomyces dermatitidis. Yeast from tissue smear. Gomori methenamine silver nitrate stain. (400x) Read More

Basidiobolus haptosporus

Basidiobolus haptosporus. Hypha in subcutaneous phycomycosis granuloma. Read More

Telophase HeLa (cancer) cells expressing Aurora B-EGFP

Telophase HeLa (cancer) cells expressing Aurora B-EGFP (green) (100X), Deconvolution. 36th annual Nikon Small World competition 11th place photography winner.

Paul D. Andrews, University of Dundee, Dundee, Scotland, UK Read More

Extreme Life Thrives Where the Livin’ Ain’t Easy

Wired magazine has put together an 8-part image gallery that matches the extremophile microbe with it's environment.


"Once upon a time, scientists routinely found life in places where it wasn’t supposed to exist. That doesn’t happen anymore, and not because the pace of discovery has s... Read More

Pulsating response to stress in bacteria

By attaching fluorescent proteins to the genetic circuit responsible for B. subtilis's stress response, researchers can observe the cells' pulses as green flashes.

In response to a stressful environment like one lacking food, B. subtilis activates a large set of genes that help it respond to ... Read More

Whole genome analysis of Chlamydia trachomatis highlights risks with current method of tracking

In a study released today in Nature Genetics, researchers have found that Chlamydia has evolved more actively than was previously thought. Using whole genome sequencing the researchers show that the exchange of DNA between different strains of Chlamydia to form new strains is much more common th... Read More

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