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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

A Green Thumb for Ocean Microbes

MIT-WHOI Graduate student Kristen Hunter-Cevera describes the challenges and obstacles involved with growing marine microbes (in her case, Synechococcus) in a laboratory setting, and outlines the value of her research in understanding marine biogeochemistry. Read More

How long have primates been infected with viruses related to HIV?

Disease-causing viruses engage their hosts in ongoing arms races: positive selection for antiviral genes increases host fitness and survival, and viruses in turn select for mutations that counteract the antiviral host factors. Studying such adaptive mutations can provide insights into the distan... Read More

Influenza Virus

Electron micrograph of influenza virus negatively stained with phosophotungstic acid Read More

NIH-funded study establishes genomic data set on Lassa virus

An international team of researchers has developed the largest genomic data set in the world on Lassa virus (LASV). The new genomic catalog contains nearly 200 viral genomes collected from patient samples in Sierra Leone and Nigeria, as well as field samples from the major animal reservoir, or h... Read More

Diarrhea in cats

Barbara Hinney and her colleagues from the Institute for Parasitology at the University of Veterinary Medicine, Vienna, screened 298 faecal samples taken from cats across Austria for single-cell intestinal parasites, so called enteric protozoa. The samples came from private households, catteries... Read More

Clostridium spp.

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

Cryptococcus neoformans

Cryptococcus neoformans in mash preparation of mouse brain. Note large capsule and narrow budding isthmus Read More

Nitrification floc.

Nitrification floc. Note the unusual crown shaped bacterium(11000X) Read More

Study: Breastfeeding could reduce common infections among Indigenous infants

TORONTO, Aug. 17, 2015--Promoting breastfeeding could lead to a substantial reduction in common infections and even deaths that are more common in Indigenous infants than non-Indigenous infants, a new study suggests. Read More

Tube morphology

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

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

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

Torulopsis glabrata

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

Hibernating bats mount a partial immune response against white nose fungus

White-nose syndrome (WNS), an invasive skin infection caused by the Pseudogymnoascus destructans (Pd) fungus has killed millions of bats since it was first seen in North America in 2007. A analysis of gene expression in hibernating bats infected with the destructive fungus published on October 1... Read More

Plague infected humans much earlier than previously thought

Plague infections were common in humans 3,300 years earlier than the historical record suggests, reports a study published October 22 in Cell. By sequencing the DNA of tooth samples from Bronze Age individuals from Europe and Asia, the researchers discovered evidence of plague infections roughly... Read More

Zoonotic villains #2- Ebola virus

Since it's 1st recorded outbreak (1976) in the Democratic Republic of the Congo's Ebola River Valley, the Ebola virus has been known - and feared - for good reason.
Why, you may ask?
Ebola hemorrhagic fever is potentially lethal and encompasses a range of symptoms including fever, vom... 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

Strategies to decrease bacterial colonization

Among the bacterial infections that are most difficult to treat, chronic infections associated with bacterial biofilms are one of the most hazardous. Bacterial biofilms are densely packed communities of microbial cells surrounded with secreted polymers. In her doctoral thesis, chemist Shoghik Ha... Read More

Unknown Organism on Hand Print #2

Unknown organism seen on a hand print after washing with soap and water grown on a TSA plate for 24 hrs, room temperature for a day and several days at refrigerated temp. Organism was a pale yellow with raised rhizoid growth in the center some of it matt and some mucoid, edges were undulate. Read More
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