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Prosthogonimus macrorchis

Prosthogonimus macrorchis, a flatworm poultry parasite.

A digenetic trematode (family Prosthogonimidae) located in the oviduct and bursa fabricii of poultry in North America, particularly common in states bordering the Great Lakes. (http://www.medilexicon.com) Credit: Mr. Spike Walker

2010... Read More

Exploring HIV - Illustration by David S. Goodsell

If we can visualize a protein's shape, we can learn much more about how it functions and how we might block its activity. This was the guiding principle behind an NIH initiative launched 25 years ago to spur the discovery of HIV-related protein structures. Structures produced through the program... Read More

Dicty fruit

Dictyostelium discoideum is a soil-living amoeba. A group of 100,000 form a mound as big as a grain of sand.

The hereditary information is carried on six chromosomes with sizes ranging from 4 to 7 Mb resulting in a total of about 34 Mb of DNA, a multicopy 90 kb extrachromosomal element that h... Read More

Vibrio vulnificus

This scanning electron micrograph (SEM) depicts a grouping of Vibrio vulnificus bacteria; Mag. 13184x.
Vibrio vulnificus is a bacterium in the same family as those that cause cholera. It normally lives in warm seawater and is part of a group of vibrios that are called "halophilic" because they ... Read More

Non-acid-fast rods

Non-acid-fast rods. (approx. 1000 X). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

A confocal micrograph of an intestinal biopsy from a child infected with shiga toxin-producing E. coli.

Shiga toxin is an extremely potent toxin that is produced when the bacterium contains a bacteriophage carrying the toxin gene. It is closely linked with Haemolytic Uraemic Syndrome and acute renal failure in children. After ingestion via contaminated food or water the E. coli bacteria colonize t... Read More

Serratia marcescens on a DNA plate

Serratia marcescens streaked on a DNA plate and incubated for 48 hours at room temperature. Read More

Modeling social networks

What looks like a Native American dream catcher is really a network of social interactions within a community. The red dots along the inner and outer circles represent people, while the different colored lines represent direct contact between them. All connections originate from four individuals... Read More

Finding One Bug

A new, nanometer-sized biosensor can detect a single deadly bacterium in tainted ground beef. How? Researchers attached nanoparticles, each packed with thousands of dye molecules, to an antibody that recognizes the microbe E. coli O157:H7. When the nanoball-antibody combo comes into contact with... Read More

Charleston Bump Expedition. Curly worm.

Voyage To Inner Space - Exploring the Seas With NOAA Collect
Location: Southeast of Charleston, South Carolina
Photo Date: 2003 August 10
Photographer: Jerry McLelland, Univ. of Southern Mississippi
Credit: Charleston Bump Expedition 2003. NOAA Office of Ocean Exploration; Dr. George Sedberr... Read More

H3N2 influenza virions

This transmission electron micrograph (TEM) depicts some of the ultrastructural details displayed by H3N2 influenza virions responsible for casing illness in Indiana and Pennsylvania in 2011.

The cases of human infection with swine-origin H3N2 influenza resulted from existing influenza virus... Read More

HIV and TB at the White House (photo)

Photo taken by Joshua Yospyn for WJLA TV at the We Can End AIDS march in Washington, D.C. Read More


A single Vorticella species. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Cellular Aging

A protein called tubulin (green) accumulates in the center of a nucleus (outlined in pink) from an aging cell. Normally, this protein is kept out of the nucleus with the help of gatekeepers known as nuclear pore complexes. But NIGMS-funded researchers found that wear and tear to long-lived compo... Read More

phytoplankton seem from space

In this Envisat image, a phytoplankton bloom swirls a figure-of-8 in the South Atlantic Ocean about 600 km east of the Falkland Islands.

During this period in the southern hemisphere, the ocean becomes rich in minerals from the mixing of surface waters with deeper waters. Phytoplankton depen... Read More

Microbiology art gallery for engaging large classes

By adding some art to his “Fundamentals of Microbiology” science course at the University of Waterloo, Biology professor Josh Neufeld has found a way to engage his students with the topic in a fun and creative way.

BIOL 140, explains Neufeld, is a large introductory course divided across thre... Read More


Image of Streptococcus, a type (genus) of spherical bacteria that can colonize the throat and back of the mouth. Stroptococci often occur in pairs or in chains, as shown here.

Tina Carvalho, University of Hawaii at Manoa Read More

Blood Agar Plate

The results after incubation of a blood agar plate exposed to a laboratory environment for approximately 2 hrs. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Beaded bacteriophage

This sculpture made of purple and clear glass beads depicts bacteriophage Phi174, a virus that infects bacteria. It rests on a surface that portrays an adaptive landscape, a conceptual visualization. The ridges represent the gene combinations associated with the greatest fitness levels of the vi... Read More

Bacteria Pictures By Fernan Federici

Fernan Federici, a researcher in the Haseloff Lab at Cambridge University and one of the Synthetic Aesthetics residents, studies how cells grow and develop into complex shapes and structures. Using confocal microscopy, he tracks the growth of plant cells and tissues, creating models of how cell ... Read More
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