erysipelothrix rhusiopathiae. gram stain of 36 hour thioglycolate broth culture (1000x) Read More
In 2009 researchers from the UT Health Science Center San Antonio and other institutions crack the genetic code of Schistosoma mansoni, a flatworm that can live up to 10 years on average in humans. The parasite is endemic in many tropical areas of the world.
Nature (16-Jul-2009) Read More
Doctors in the 17th Century wore penguin-like masks stuffed with flowers and herbs to protect themselves from the Plague. Image from NIH. Read More
Filamentous yeast from spoiled beverage. Filaments and budding. Phase. (1008X) Read More
Nitrate reduction test for the reduction of nitrate in nitrate media, to determine if the bacteria contains nitrate and/or nitrite reductase. Organism were incubated for 48 hr's at 37 degree's in nitrate media then reagents added.
Nitrate broths after the addition of 10 drops re... Read More
The bug lives harmlessly in the noses of about a third of us. But it can turn rogue, causing skin infections—or worse. Heavy use of antibiotics since the middle of the last century has prompted the evolution of deadly superbug strains. Photograph by Martin Oeggerli, with support from School of L... Read More
Klebsiella pneumoniae. Maneval's capsule stain. Note clear area (capsule) surrounding pink stained organisms (1200X) Read More
The appearance of circular, entire, opaque colonies on the surface of a nutrient agar plate. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
phenomenon called "champagne cork"
have waited half year to catch a strain like that. Read More
At the Harvard Virology Program Retreat for 2011, the students ran a viral dessert contest. I posted some of the images at VirusTalk. Have a look at them – they are truly delicious. Read More
Picture carefully taken with my iphone under a dissecting microscope. Read More
Gram-stained preparation of Bacillus subtilis showing rods, and spores (empty areas). (approx. 1000 X). Taken from the Wistreich Collection. Read More
Gram-negative rods –Alcaligenes faecalis species (approx X1000). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
This thin-section transmission electron micrograph (TEM) revealed the ultrastructural appearance of a single virus particle, or “virion”, of measles virus. The measles virus is a paramyxovirus, of the genus Morbillivirus. It is 100-200 nm in diameter, with a core of single-stranded RNA, and is c... Read More