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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

Sporangiophore

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

SIM Media

Sulfur-indole-motility test (SIM media) results for:
(A) Escherichia coli: Motile***, hydrogen sulfide (-), indole (+)*
(B) Staphylococcus aureus: Non-motile, hydrogen sulfide (-), indole (-)
(C) Salmonella arizonae: Motile, hydrogen sulfide (+)**, indole (-)
(D) Enterobacter aerogenes: Mot... Read More

USA300 strain of S. aureus

The USA300 strain of Staphylococcus aureus bacteria, colorized in gold, shown outside a white blood cell.

Staphylococcus aureus: USA:300 is a strain of gram-positive coccus bacteria responsible for Methicillin-resistant Staphylococcus aureus (MRSA), or Staph infection in humans. This strain ... Read More

Trichophyton rubrum var. granulare

This photograph depicts the frontal view of a Petri dish within which fungal colonies of Trichophyton rubrum var. granulare had been cultured. Revealed is the colonial morphology, which in the case of T. rubrum is said to be waxy, glaborous, i.e., flat to cottony, and display from a frontal pers... 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

Table Top swab

Swab taken from the lab table top and incubated on TSA for 48 hrs, left at room temperature for 72 hrs then held at refrigerated temperature for a month. Pictured is one of the resulting fungal growths: white with no spore formation, droplets can be seen as possible result of respiration. Read More

Neisseria meningitidis. Differential sugar reactions. (1-8)

Neisseria meningitidis. Differential sugar reactions. (1-8) Read More

Unknown from Handprint #2

Closeup of organism seen on handprint, presumably Bacillus sp. Organism grew out from the center with rhizoid growth, lobate edges, tan coloration, glossy throughout the colony, Read More

Cultured cells

This image of laboratory-grown cells was taken with the help of a scanning electron microscope, which yields detailed images of cell surfaces.

Tina Carvalho, University of Hawaii at Manoa. - NIGMS Image Gallery Read More

Salmonella typhimurium

Under a magnification of 2500X, this colorized scanning electron micrograph (SEM) revealed the presence of a large number of Gram-negative Salmonella typhimurium bacteria that had been isolated from a pure culture. See PHIL 10984 for a black and white version of this image. Read More

Neurons

Neurons and biological shapes is a common theme in the works of the artist Maria Penil. Here she painted with yellow Nesterenkonia, orange Deinococcus and Sphingomonas isolated for their attractive colors as contaminants in the Berkmen lab. After growing the plates for 2 days at 30C, the artist ... Read More

Normal mouse trachea

Normal mouse trachea as shown by SEM. Note ciliated and serous cells Read More

Staining of Unknown Fungal sp.

While isolating organisms growing in a water system a dark Fungal growth was noted. I love isolating fungi and staining them in a manner that produces contrast among the hyphae. This fungi is yet to be identified but through the lense of a microscope it looks comparable to a tree in the fall a... Read More

E. coli gram stain

Gram stain of E. coli showing characteristic G- rods. Read More

Unknown from Handprint #3

Unknown organism seen on a TSA plate used to do a handprint. Organism was seen on the outside of the imprint so not sure if it came from the hand or was contaminant. Colony was circular, tan/white, rhizoid growth in the center with a smooth margin and mucoid throughout. Read More

Phomopsis Mold

Cultures of a destructive mold called Phomopsis strains that infect both crop and noncrop plants. One of the species of this genus, Phomopsis viticola, cause a plant disease called phomopsis or dead-arm. Usually, infections begin during early growth stages in spring. This affects leaves, fruit, ... Read More

Treponema pallidum bacteria

An electron photomicrograph of two spiral-shaped Treponema pallidum bacteria.

Here we see two Treponema pallidum bacteria scanned by an electron microscope, magnified 36,000X. T. pallidum is the causative agent of syphilis. It contains one of the smallest prokaryotic genomes consisting of abo... Read More

The sporulating fungus, Beauveria Bassina, on TPB (Tarnished Plant Bug) cadaver.

Application of the mycopathogen, Beauveria Bassina, that make spores to introduce a fungus on tarnished plant bugs as an alternative to chemical control. Research and develop microbial control strategies for tarnished plant bugs on alternate hosts using entomopathogenic fungi.

(http://www.ars... Read More

Announcing ASM's Agar Art 2016 Winners

Thank you to everyone who created a log phase masterpiece, to our esteemed judges, and to everyone who voted for People's Choice on Facebook! We received 117 amazing entries from 26 countries and 17 U.S. states. Special congratulations to our winners! View this year’s winners... Read More

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