Colonies of Blastomyces dermatitidis on blood agar plates incubated at 30 C 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
Fragments from above compost pile, covered with Aspergillus fumigatus Read More
Bromocresol fermentation tubes (escherichia coli). note acid (yellow) and gas (bubble) Read More
(From left to right) NASA astrobiologist Danny Glavin, science writer Marc Kaufman, and geomicrobiologist and Princeton University professor Tullis Onstott, take questions from the audience at last night's Smithsonian-sponsored evening lecture entitled "Worms from Hell" that focused on the lates... Read More
B. cereus was grown on urea agar for 6 days at 37 degrees C to induce spore formation.
The endospore stain was done using malachite green as the primary stain and safranin as counter the stain. Malachite green was applied to the smear and set over a steaming water bath for 10 min (stain was no... Read More
Tiny rod-shaped bacteria called Vibrio cholerae cause cholera infections.
Credit: Tina Carvalho, University of Hawaii at Manoa
Related article: "The Quake that Brought Back Cholera" (http://publications.nigms.nih.gov/insidelifescience/cholera.html)
Posted August 10, 2... Read More
With its abdomen engorged with a host blood meal, this image depicts a lateral, or side view of a female blacklegged, or deer tick, Ixodes scapularis.
The blacklegged or deer tick, Ixodes scapularis, transmits Lyme disease, a disease caused by a spiral shaped bacterial microbe, Borrelia burgdor... Read More
Here's what you can get out of about a liter of LB agar. They have a very low concentration of Tetracycline in them to allow for a more permissive growth pattern. All in a night's work! Read More
Please help me! I am planning to identify this microorganism by API but I can not identify the shape (rod or cocci). This microorganism has positive oxidase. Its colony is red, irregular, flat.
Please teach me. Thanks so much! Nhu Thuy from Vietnam
Trichomonas vaginalis is a protozoan parasite of the urogenital tract in men and women and causes a sexually transmitted disease, trichomoniasis, in about half of infected women. Infections are associated with pelvic inflammatory disease, adverse pregnancy outcomes, infertility, an increased inc... Read More
Richard Lenski, Hannah Distinguished Professor, Michigan State University, at the American Association for the Advancement of Science meeting in Vancouver, British Columbia. Read More
Photosynthetic microbial mats forming large conical structures up to half a meter tall have been discovered by astrobiologists in Lake Untersee, Antarctica. This research is described in an article in the May 2011 issue of the journal Geobiology.
Lake Untersee is located at 71°20'S, 13°45'E i... Read More
A false-coloured scanning electron microscope image of an African trypanosome, the parasite which causes sleeping sickness. Read More
The production of Metallo-β-lactamase is one of the resistance mechanisms of Pseudomonas aeruginosa. Metallo-β- lactamases are members of Group B in the molecular classification of Ambler and are Clavulanic acid resistant enzymes which require divalent cations of zinc as co-factors for enzymat... Read More
Lactose fermenter (escherichia coli) on Russell's double sugar agar Read More
Nikon Small World Honorable Mention 2008 photomicrography competition, Dr. Petr Znachor, Institute of Hydrobiology, Ceske Budejovice, Czech Republic
Coiled filamentous cyanobacterium Anabaena sp. (600x)
Technique: Nomarski Differential Interference Contrast 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
Bioluminescent art blends science and creativity to create images that can only be seen in the dark. What do you get when you add a chemical engineer, a graphic designer and a research scientist? Beautiful art. In a wondrous combination of nature and design, bioluminescent art involves using nat... Read More