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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

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

Non-acid-fast rods

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

I can haz ASM talks

An I Can Haz Cheezburger meme for ASM's General Meeting in San Francisco created by artist Michele Banks. Read More

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

Swarm of paramecia

Swarm of paramecia surrounding an unidentified protozoan. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Arabidopsis leaf injected with a pathogen

This is a magnified view of an Arabidopsis thaliana leaf eight days after being infected with the pathogen Hyaloperonospora arabidopsidis, which is closely related to crop pathogens that cause 'downy mildew' diseases. It is also more distantly related to the agent that caused the Irish potato fa... 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

Serratia marcescens on a DNA plate

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

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

Vorticella

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

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

Spirochete Treponema pallidum

This photomicrograph depicts a Treponema pallidum bacterium, a spirochete 5 - 15 micrometers in length, which is the causative agent of syphilis.
Syphilis, is passed from person to person through direct contact with a syphilis sore. Sores occur mainly on the external genitals, vagina, anus, or ... Read More

Serratia marcescens colonies

Pigmented and non-pigmented parts of Serratia marcescens colonies. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Colorful Lichens Grow on Ocotillo

One of many varieties of colorful lichens that grow on Ocotillo along the coast of Baja, Calif.

Lichens are actually made up of two plants: an algae and a fungus, living in a symbiotic relationship. In desert environments, lichen will dry out completely and remain dormant until rain or dewfal... Read More
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