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Microbe vs. Mineral: A Life and Death Struggle in the Desert

The bursts of rainbow colors in this photograph are mesmerizing, yet microbes are fighting for their lives in the background. Michael P. Zach of the University of Wisconsin-Stevens Point, snapped this image of a salt sample he collected in a hot, arid valley near Death Valley National Park in Ca... Read More

Paracoccidioides brasiliensis

Paracoccidioides brasiliensis. Tissue form grown in vitro at 37C 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

Raw Sewage

Raw Sewage. Cellulose fibers. Note; limited cellulolytic activity 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

The Hidden Life of Microscopic Fungi

Most mushrooms actually do not produce the visible fruiting bodies known to us as boletus, champignons, or toadstools. Many fungal species are the familiar “mold” and other unappetizing films, or are completely unknown to us. Here, you can discover some of the remarkable shapes and lifestyles of... Read More

Haematococcus, Euplotes, and Cyclidium

Haematococcus (algae), Euplotes (protozoa), and Cyclidium (ciliate) (400x)

2012 Nikon Small World Photomicrography Competition, Charles Krebs, Issaquah, Washington, USA Read More

Spirogyra and Oscillatoria

A microscopic view of Spirogyra (eukaryote) and Oscillatoria (prokaryote). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Neisseria meningitidis

Neisseria meningitidis. Differential sugar reactions. (1-8) Read More

Haematococcus pluvialis

Phase contrast image of fresh water unicellular algae Haematococcus pluvialis colelcted at 100X. This species is well known for its high content of the strong antioxidant astaxanthin, which is important in aquaculture, various pharmaceuticals, and cosmetics. Fourth Prize, 2009 Olympus BioScapes ... Read More

Cytomegalovirus in human foreskin tissue cells(40X)

Cytomegalovirus in human foreskin tissue cells (40X) Acridine orange stain. Dark, olive green bodies in refractile cells are intranuclear inclusions. Also show paranuclear bodies which are stained darker Read More

Byssochlamys sp.

Byssochlamys sp. Penicillate sporulation (1008X) Read More

Got one nasty sucker here folks . . .

Seen here via immunohistochemical staining of a gastric biopsy is the Heliobacter Pylori bacteria, or H. Pylori if you're in a hurry.
Able to survive the intensely acidic environment that is the human stomach, H. Pylori actually gets downright comfortable there. The bacterium has flagella and... 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

Vibrio cholerae serotype O1 ogawa isolated on TCBS agar in Sukraraj Tropical and Infectious Hospital , Kathmandu , Nepal .

Vibrio cholerae was isolated in the capital city Kathmandu , where as it causes cholerae endemic in certain remote parts in the country every year . Vibrio cholerae O1 ogawa serotype was isolated and identified after growth in TCBS agar and subcultured on HIA plate and performed oxidase test (+... Read More

Mycobacterium tuberculosis bacteria

Under a high magnification of 15549x, this colorized scanning electron micrograph (SEM) depicted some of the ultrastructural details seen in the cell wall configuration of a number of Gram-positive Mycobacterium tuberculosis bacteria. As an obligate aerobic organism M. tuberculosis can only surv... Read More

Finger Inoculation Gram Stain 1000X

I just received a microscope the other day with a detachable USB camera! This is one of the first photos I took on it. Not the best as I'm still learning how to use it... but there are distinct Gram positive bacilli, cocci (diplococci I believe), and Gram negative bacilli from a finger inocula... Read More

b320-1 Clostridium spp. from pet food (1000x)

b320-1 Clostridium spp. from pet food (1000x) Read More

HELICOBACTER

Helicobacter pylori (yellow), a common bacterium that lives in the stomach lining, increases the risk of stomach cancer (brown cells) and peptic ulcers. But over time H. pylori can reduce stomach acid and acid reflux, which may help fend off esophageal cancer. The microbe also appears to help pr... Read More

Rubella virus virions

This negatively-stained transmission electron micrograph (TEM) revealed the presence of Rubella virus virions, as they were in the process of budding from the host cell surface to be freed into the host’s system, thereby, producing an enveloped virus particle, which means that after budding, the... Read More
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