Mycoplasma pneumoniae. Macrophotograph of 16mm petri dish containing microcolonies characteristics of broth-grown Mycoplasma pneumoniae Read More
The mosquito - God's cruelest instrument to ensure his creations stay in check?
The mosquito - proof that Evolution is a malevolent mistress that sups on human & animal misery alike?
The mosquito - spreader of VEE: Venezuelan equine encephalitis, which afflicts not only horses, donkeys, zebras... Read More
Phase contrast flash of Hymenomonas sp., a coccolithophorid phytoflagellate Read More
Haematococcus (algae), Euplotes (protozoa), and Cyclidium (ciliate) (400x)
2012 Nikon Small World Photomicrography Competition, Charles Krebs, Issaquah, Washington, USA 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
Because it isn't just for Establishment squares anymore!
As WellBee - debuted in 1964 - so aptly illustrates, (in a slightly dated style, considering the presence of readily available finger-nail toothpicks) simple hand washing is the most important tool available to prevent the spread of a who... Read More
Growth of Streptococcus mitis on blood agar demonstrating alpha hemolysis seen as a greenish color around the growing colonies due to a reduction of the hemoglobin to methemoglobin in the surrounding agar. Image taken using transmitted light. Read More
Toxoplasma gondii oocysts from cat feces. Taken from the Wistrich Collection. Read More
Paracoccidioides brasiliensis. Tissue form grown in vitro at 37C 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
Colony of Streptomyces (sp.) on Sabouraud's dextrose agar, incubated at 30C Read More
Blastomyces dermatitidis. Yeast phase. Interference phase microscopy Read More
Cladosporium trichoides hyphae and brown sclerotic cells in abscess of abdominal wall. H & E stain Read More
Mycobacterium smegmatis colonies on lowenstein-jensen media (2x) Read More
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
Trypanosoma brucei, a protozoan parasite, is the causative agent of African sleeping sickness in humans (T. b. gambiense and T. b. rhodesiense) and nagana in cattle (T. b. brucei). These diseases result in much economic hardship and morbidity in Sub-Saharan Africa. The life cycle of these organi... Read More
Streak plate isolation showing colonial morphology of Bacillus subtilis on trypticase soy agar (TSA) incubated for 24 hours at 37oC. Note the rough and dry/matte texture characteristic of this organism’s growth. Read More
Histoplasma capsulatum in mitral valve. Yeasts and rare hyphal growth in vivo Read More