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Penicillium stoloniferum virus in three dimensions

To help scientists understand how the Penicillium stoloniferum virus interacts with its hosts, and how it replicates and matures over its lifecycle, the virus structure was solved at the very high-resolution of 7.3 angstroms. Running the automated AUTO3DEM software on a San Diego Supercomputer C... Read More

Cladosporium trichoides

Cladosporium trichoides hyphae and brown sclerotic cells in abscess of abdominal wall. H & E stain Read More

Herpes simplex virus

Electron micrograph of Herpes simplex virus. Giemsa stain Read More

Filamentous bacterium

Raw sewage. Filamentous bacterium, note the polymeric material Read More

Klebsiella pneumoniae

Large (about 5 mm in diameter), lactose positive colonies of Klebsiella pneumoniae on desoxycholate-citrate agar. Cultivation 37°C, 24 hours.

Klebsiella pneumoniae is a common source of hospital-acquired infections. Some of the strains can carry plasmids that harbour genes conferring resistan... Read More

Histoplasma capsulatum in mitral valve

Histoplasma capsulatum in mitral valve. Yeasts and rare hyphal growth in vivo Read More

Blastomyces dermatitidis

Blastomyces dermatitidis. Yeast stage from 2-day culture on blood agar at 37 . Note double refractile cell wall Read More

Colony of Streptomyces

Colony of Streptomyces (sp.) on Sabouraud's dextrose agar, incubated at 30C Read More

Escherichia coli - tight junction disassembly

This pair of confocal micrographs demonstrates how a disease-causing strain of E. coli bacteria brings about diarrhoea by breaking down the waterproof barriers between the cells. The bacteria are seen as small red dots attached to the surface of intestinal cells making tiny pedestals out of one ... Read More

Bacteriophage P22

Cross-section through the center of a three-dimensional (3D) reconstruction of P22 phage, which is a virus that infects Salmonella bacteria. P22 contains many copies each of nine different viral proteins and a single copy of a double-stranded DNA genome (shown in green). The centrally located po... Read More

Euglena mutabilis

Living green alga Euglena mutabilis. Technique: Differential interference contrast. Credit: Gerd Gunther, Düsseldorf, Germany

Nikon Small World 2012 Honorable Mention. Read More

HIV particles infecting a human T cell

Scanning electron micrograph of HIV particles infecting a human T cell. Credit: NIAID, NIH Read More

Candida albicans

Pseudohyphae of Candida albicans in brain. PAS stain (250X) Read More

One bad mamma-jamma

The 1918 Spanish flu epidemic was caused by an influenza A (H1N1) virus.
Responsible for more deaths during World War I than all the bombs, bullets, poison gases, & artillery shells used, it killed more than 500,000 people in the United States, and up to 50 million worldwide.
The possible so... Read More

Mycobacterium smegmatis colonies on lowenstein-jensen media (2x)

Mycobacterium smegmatis colonies on lowenstein-jensen media (2x) Read More

Mycoplasma pneumoniae. Macrophotograph of 16mm petri dish containing microcolonies characteristics of broth-grown Mycoplasma pneumoniae

Mycoplasma pneumoniae. Macrophotograph of 16mm petri dish containing microcolonies characteristics of broth-grown Mycoplasma pneumoniae Read More

Infectious bronchitis virus (IBV) virions

This 1975 transmission electron micrograph (TEM) revealed the presence of a number of infectious bronchitis virus (IBV) virions, which are Coronaviridae family members, and members of the genus Coronavirus. IBV is a highly contagious pathogen, which infects poultry of all ages, affecting a numbe... Read More

Byssochlamys sp.

Byssochlamys sp. Penicillate sporulation (1008X) 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

Exophiala jeanselmei

Exophiala jeanselmei. Note long slender conidiophores with terminal sporulation. Secondary budding of conidia is rare. LCB mount. Read More

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