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
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
This is a picture of the Christmas tree in the University of Colorado Hospital Microbiology Department.
The tree is adorned with homemade culture plate ornaments (one for each staff member) and topped with a stuffed Staphylococcus aureus microbe. Read More
Dark-field preparation of Treponema pallidum. (approx X1000). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
Most Escherichia coli (E.coli) strains are harmless.But some, like enterohemorrhagic E. coli (EHEC), are a hazard to human health and life. Read More
Cladosporium trichoides hyphae and brown sclerotic cells in abscess of abdominal wall. H & E stain Read More
Histoplasma capsulatum in blood smear from human patient. Yeasts in macrophages. Each cell has clear area surrounding yeast cell Read More
Conidia of Exophiala jeanselmei. Sporulation is from 'shoulder' or distal end of a hyphal cell, or from the tip of a conidiophore. LCB stain. Read More
A microscopic view of Spirogyra (eukaryote) and Oscillatoria (prokaryote). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
Gram stain of mixed culture of cocci and rods.Streptobacillus morphological arrangement is shown. (Approx X1000). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
Specific F.A. staining of pleomorphic organisms in sputum of patient with tuberculosis Read More
The Small Things Considered blog has a post by Fred Neidhardt, F.G. Novy Distinguished University Professor, Emeritus, Department of Microbiology and Immunology, University of Michigan Medical School at Ann Arbor, that looks at two photos snapped by 19-year-old Casey Gutteridge at the Santago Ra... Read More
Coccidioidomycosis. Map of endemic areas (outlined on black) in South America Read More
Saints preserve us from this one. A highly contagious hemorrhagic fever, Marburg is less well known that it's cousin Ebola, (they're both members of the deeply troublesome Filovirus family) but no less deadly.
I comment a bit, as an educator, about the loss of Carl Woese. Not only the importance of his discoveries, but how he went about his work, remains of great value. Read More
A false-coloured scanning electron microscope image of an African trypanosome, the parasite which causes sleeping sickness. Read More
Haematococcus (algae), Euplotes (protozoa), and Cyclidium (ciliate) (400x)
2012 Nikon Small World Photomicrography Competition, Charles Krebs, Issaquah, Washington, USA Read More
A group of students (Adrienne Linzemann, Jose Aveja, Elsa quintero), staff (William Thompson), and faculty (Farahnaz Movahedzadeh) from Harold Washington College participated in Chicago River interdisciplinary project with the leadership of VP Margie Martyn, and isolated Pseudomonas fluorescens ... Read More
Physarum polycephalum, slime mold, grown in a large perti plate on moist paper towels using oatmeal as the food source. Culture was grown in the dark at room temperature. The paper towel was moistened every day with tap water. After 3 week’s the culture formed sporangia (fruiting bodies). Image ... Read More