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Influenza viron

On a dark-blue background, this illustration provides a 3D graphical representation of a generic influenza virion’s ultrastructure, and is not specific to a seasonal, avian or 2009 H1N1 virus. A portion of the virion’s outer protein coat has been cut away, which reveals the virus’ contents, and ... Read More

Tangential sections of hyphae of Mortierella sp. in a skin ulcer

Tangential sections of hyphae of Mortierella sp. in a skin ulcer Read More

Sporangiophore

Sporangiophore and columella of Mucor pusillus from culture. LCB stain Read More

Rabies bonus feature/Thank you to L. Pastuer

Louis Pastuer - not just the guy whose responsible for your milk (and orange juice, beer, almonds, ciders, soy sauce, & about a dozen other products) being cooked @ high temps to make them last longer - but a brilliant scientific mind whose researches into disease prevention has saved countless ... Read More

Zoonotic villains #5 - the Rabies virus

Ahh Rabies, we meet again.
When I worked in vet medicine, it was amongst the few diseases that everyone - doctors, clients, support staff, human law enforcement officers, etc. - knew & feared. Maybe it was it's nearly undefeated record & lethal reputation that drove such caution. After all,... Read More

Monascus sp.

Monascus sp. Cleistothecium with asci. Nomarski. (800X) Read More

Microsporum gypseum macroconidia

Microsporum gypseum macroconidia. Interference microscopy (400X) Read More

Paecilomyces sp.

Paecilomyces sp. Tapered conidiophores (430X) Read More

Mr. Ed's bane/zoonotic villains #4

The mosquito - God's cruelest instrument to ensure his creations stay in check?
The mosquito - proof that Evolution is a malevolent mistress that sups on human & animal misery alike?
The mosquito - spreader of VEE: Venezuelan equine encephalitis, which afflicts not only horses, donkeys, zebras... Read More

An ounce of prevention . . .

As the old saying goes, can beat a pound of the Shigella bacteria, seen here penetrating the intestinal mucosa of some poor soul.
Killing approx. 1 million people annually - most of them children, Shigella is best prevented by two simple strategies: washing hands before handling food & thorou... Read More

Zoonotic villians #3

See those round, fuzz-ball looking things? You're seeing Lassa fever, up close & personal courtesy of a TEM microscope.
Another of those fearsome hemorrhagic fevers, Lassa virus is a member of the Arenaviridae family.
If you learn nothing more about Lassa fever, learn about Aniru Conteh.
F... Read More

Aspergillus restrictus

Aspergillus restrictus from generalized aspergillosis. Note radiating hyphae in granuloma 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

Zoonotic villains #1 - Marburg virus

Saints preserve us from this one. A highly contagious hemorrhagic fever, Marburg is less well known that it's cousin Ebola, (they're both members of the deeply troublesome Filovirus family) but no less deadly.
Read More

Aspergillus glaucus

Aspergillus glaucus. Sporulation (205X) Read More

One bad mamma-jamma

The 1918 Spanish flu epidemic was caused by an influenza A (H1N1) virus.
Responsible for more deaths during World War I than all the bombs, bullets, poison gases, & artillery shells used, it killed more than 500,000 people in the United States, and up to 50 million worldwide.
The possible so... Read More

Negative stain smallpox virus

Magnification 65,000X.

Smallpox is a serious, highly contagious, and sometimes fatal infectious viral disease. There is no specific treatment for smallpox disease, and the only prevention is a smallpox vaccination. Read More

Streptococcal bacteria

This image depicts the quantitative difference in hemolytic reactivity seen in a trypticase soy agar culture plate containing 5% sheep’s blood growing group-D Streptococci (left wedge), group-B Streptococci (middle wedge), and group-A Streptococci (right wedge) bacteria. This plate was grown u... Read More

Phialophora richardsiae

Magnified 1125X, this photomicrograph revealed some of the ultrastructural morphology displayed by the dematiaceous (pigmented) filamentous fungus, Phialophora richardsiae.

Note the septate hyphae from which sprout the short conidiophores, and still further distally one can see the flask-shap... Read More

Twitter tag cloud from #ASMGM

Science blogger Cesar Sanchez of the site Twisted Bacteria (twistedbacteria.blogspot.com) created the above word cloud that was generated from approximately 1200 tweets that appeared on Twitter during the American Societ... Read More

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