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Ebola Outbreak 2014 2015 by Dr. Fauci

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Female blacklegged deer tick, Ixodes scapularis

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

Varicella

Varicella. Vesicle smear from case of chicken pox. Direct fluorescent antibody (FA) staining readily differentiates chicken pox or zoster lesions from those due to Herpes simplex viru Read More

Gram-negative rods – Morganella morganii species

Gram-negative rods – Morganella morganii species (approx X1000). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Gram negative diplococci in blood smear of patient taken 2 hours after dental cleaning

Gram negative diplococci in blood smear of patient taken 2 hours after dental cleaning Read More

The Grand Challenge of Biology

I was at a tech meeting hosted by Amazon Web Services to see how I may use some of their cloud computing services for this site. One segment of the presentation was devoted to customers who use AWS for their sites or work. The slide you see in this image comes from Michael Schatz, Researcher at ... Read More

Ice Nucleation Bacteria, Twitter, and Me!

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

Clostridium spp.

Clostridium spp. from pet food. Phase. 1000X - Maunder Read More

6.5% NaCl Media

Important ingredients: 6.5% salt, dextrose, bromcresol purple
Differential/Selective: used to test for salt tolerance and can be used to identify enterococcal group D streptococci. NaCl is a selective agent and those organisms that can grow in higher salt concentrations also ferment the dextro... Read More

Engineered Ecosystem

“Predator” bacteria (green) surround “prey” bacteria (red) in this petri dish version of the Serengeti. Rather than eating their prey, however, predator cells release a chemical that activates a suicide gene in the prey. Prey cells also release a chemical, but one that promotes survival of the p... Read More

Science Tattoo Emporium

Carl Zimmer wondered if scientists had tattoos of their science and as it turns out, many do! Check out this great collection of science tattoos. I have to admit I browsed through the whole 23 page collection, fascinated by the art of science and seeing, in some cases, the full colored beauty of... Read More

Things to Look for Top Down .

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Euplotes cell division

Nikon Small World 2012 PHOTOMICROGRAPHY COMPETITION, IMAGE OF DISTINCTION, Rogelio Moreno Gill

Euplotes belongs to the class Nassophorea in the phylum Ciliophora; the ciliates, of which there are approximately 8,000 species, are generally considered to be the most evolved and complex of the p... Read More

Blastomyces dermatitidis

Blastomyces dermatitidis in tissue from patient from Uganda, Africa. Gridley's stain Read More

Torulopsis glabrata

Torulopsis glabrata in kidney tubules of terminally ill patient. Patient died with another disease Read More

Marine bioluminescent Photobacterium kishitanii

Marine bioluminescent Photobacterium kishitanii
The genus Photobacterium was first coined by Martin Beijerinck, in 1889, and originally referred to all bacteria capable of light production. Species belonging to Photobacterium are gram negative, rod shaped, chemoorganotrophic, facultative aerob... Read More

Photo from Haiti: how to diagnose malaria and typhoid

These checklists, scrawled in handwriting on paper pasted to the hospital wall, are used by volunteer doctors and nurses to diagnose and treat patients who come in with symptoms of malaria and typhoid. Both are diseases that we rarely see in the US, but are strikingly common in Haiti. This also ... Read More

Rhizopus microsporus

Rhizopus microsporus
It causes human mucormycosis and bovine mycotic abortion.
It is distinguished from R.arrhizus by its shorter stalk, and smaller sporangia and spores.
Variant forms
Var.oligosporus : has elongated columellae ; spores less obviously striated.
Var.rhizopodiformis : has ... Read More

Pseudomonas aeruginosa

Pseudomonas aeruginosa infection Read More

Exophiala jeanselmei

Conidia and secondary budding of Exophiala jeanselmei. LCB stain Read More

fd virus

fd virus membranes and various other assemblages. Credit: Dr. Zvonimir Dogic, Dr. Thomas Gibaud, Dr. Edward Barry & Mark Zakhary

2012 Nikon Small World Photomicrography Competition Image of Distinction

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