Sonderia sp. (a ciliate that preys upon various algae, diatoms, and cyanobacteria)
2012 Nikon Small World Photomirography Competition Dr. Diana Lipscomb, George Washington University, Department of Biological Sciences, Washington, District of Columbia, USA Read More
In this post from my microbiology/education blog, I discuss a post on Boing Boing recently that used a video I had made of ice nucleation bacteria. Ice nucleation bacteria are very interesting of course, and I link to the Boing Boing post. In addition, I provide an additional video of students... Read More
Streptococcus pneumoniae cells are Gram-positive, lancet-shaped cocci. Usually, they are seen as pairs of cocci, but they may also occur singly and in short chains. In this photo a mucoid strain on blood agar showing alpha hemolysis (green zone surrounding colonies). Note the zone of inhibition ... Read More
2009 Nikon Small World Competition award 10th place: Leave it to the diminutive diatoms to bring out algae's best side. Only 10 times larger than life, this image was captured via dark-field by Arlene Wechezak in Anacortes, Wash. Such diatoms have been proposed as a key biofuel source of the fut... Read More
Under a plate magnification of 37,800X, this colorized transmission electron micrograph (TEM) depicted the A/New Jersey/76 (Hsw1N1) virus, while in the virus’ first developmental passage through a chicken egg. Read More
SALT LAKE CITY - The BIG LoVE (Utah Better Identification of Germs-Longitudinal Viral Epidemiology) study, led by scientists at the University of Utah School of Medicine, finds that each bundle of joy puts the entire household at increased risk for infection with viruses that cause colds, flu, a... Read More
Two worm sperm shimmy across a microscope slide. Unlike most cells that rely on motor proteins to propel themselves forward, worm sperm use tiny fibers at their front ends. Putting the fibers together and taking them apart sets the cells in motion. In a new advance, researchers disassembled the ... Read More
Researchers at Harvard University and the University of California, San Diego, have developed a new user-friendly resource to accompany the powerful gene editing tool called CRISPR/Cas9, which has been widely adopted to make precise, targeted changes in DNA. This breakthrough has the potential t... Read More
Neisseria meningitidis in sputum. Gram stain (1000X) Read More
CHAMPAIGN, Ill. -- It might not be possible to convince someone who believes that vaccines cause autism that they don't. Telling skeptics that their belief is not scientifically supported often backfires - strengthening, rather than weakening, their anti-vaccine views. But researchers say they h... Read More
Circular, smooth, entire, opaque colonies of Alcaligenes on a nutrient agar plate. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More
For thousands of years, people have used yeast to ferment wine, brew beer and leaven bread. Now researchers at Stanford have genetically engineered yeast to make painkilling medicines, a breakthrough that heralds a faster and potentially less expensive way to produce many different types of pla... Read More
This picture depicts that microbes too can add colours to life. As the beginning of a New Year adds colour to life. This agar art shows how microbes like serratia marcescens, Pseudomonas aeruginosa, Staphylococcus Citrus add to happiness of new year and too add colours to life. Read More
Remember SARS? Or the last time you had a nasty cold? Lay your troubles at this bad-boy's door.
In fact, SARS-CoV - the Corona variant that causes SARS - has the rather unique quality of causing both upper & lower respiratory infections, and gastroenteritis.
Note as well that the Coronavi... Read More
This is a picture of Echinococcus granulosus from an infected liver specimen recently received in our laboratory. It is pictured in a saline wet mount at 40X magnification. The picture shows an evaginated scolex from an immature worm with hooklets.
The adult worm of Echinococcus granulosus l... Read More
Quantitative precipitin test. Constant antibody with 2-fold increase in antigen concentration. Note inhibition in antigen excess and precipitation in equivalence zone. Read More
Three organisms inoculated in TSB to look at tube morphology. From left to right:
Staphylococcus aureus: flocculent growth/turbid, growth throughout the tube.
Mycobacterium smegmatis: pellicle, growth at the top of the tube. M. smegmatis tends to stick to the tube and grow up the side.
Ba... Read More