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Micro Unions

Micro Park to Play !!! Read More

Trichinella spiralis Scanning EMs and hundreds more

As referenced in the most recent episode of This Week in Parasitism, Dickson Despommier, Mailman School of Public Health, Columbia University, and Yuzo Takahashi, Department of Parasitology, Gifu University School of Medicine, have posted hundreds of scanning electron microgra... 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

Gram-positive Listeria monocytogenes

Microscopic view of gram-positive Listeria monocytogenes (rods) (approx. original X 1,000). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Colonies of Bacteria Do Battle - Paenibacillus dendritiformis

Poisons are unleashed when colonies of bacteria get too close, creating a toxic no-man's land in between.

Research by Eshel Ben-Jacob of the University of California, San Diego's, Center for Theoretical Biological Physics, Ben-Jacob of Tel Aviv University, Avraham Be'er of the University of T... 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

A close-up of the surface of a streak plate

A close-up of the surface of a streak plate using a mixed culture of Serratia marcescens and Micrococcus lutea as the inoculum. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Neisseria meningitidis

Neisseria meningitidis colonies on chocolate agar with positive oxidase test as indicated by black colonies (1:2) Read More

Penicillium marneffei yeast cell

Magnified 1125X, this Gomori-stained photomicrograph revealed the presence of a Penicillium marneffei yeast cell, which was found in a specimen of human spleen.

P. marneffei is endemic to Southeast Asia, where it is one of the more common HIV-related opportunistic infections. Penicillium spp.... Read More

Gram-negative rods –Alcaligenes faecalis species

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

Histoplasma capsulatum

Histoplasma capsulatum in intestinal villi of brown house bat. Eptesicus fuscus from house near Clarksburg, MD. GMS stain Read More

Spirogyra filament

A clear view of a Spirogyra filament showing the spiral chloroplast. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Basidiobolus haptosporus

Basidiobolus haptosporus. One subspherical spore which has been produced by replication and one adhesive spore produced by replication Read More

Scanning electron micrograph of a new genus of beta-Proteobacteria responsible for the degradation of organic oxalate waste produced by Bayer processing

A new genus of beta-Proteobacteria has been isolated from bioreactors treating oxalate wastes that are produced by Bayer refining of bauxite into alumina. The bacteria are indigenous to the alumina refinery environment and are capable of removing up to 40 tonnes of oxalate wastes produced on sit... Read More

Virology Art: Doilies

Artist Laura Splan has created some cool doilies using viral patterns:

'The design of each doily is based on the structure of a different virus. I begin with a digital image of the virus, which I then base a design on in a graphics editor. The design is then imported into computerized embroid... Read More

Brevundimonas diminuta

Magnified 1000X, this Liefson’s flagella stained photomicrograph revealed the presence of a number of flagellated Brevundimonas diminuta, formerly known as Pseudomonas diminuta.

After having run DNA-rRNA hybridization studies, the genus Brevundimonas has been reclassified as a member of the p... Read More

Yeast cells (Saccharomyces) and bacterial rods (Bacillus subtilis)

Unstained, temporary wet mount showing size relationship between yeast cells (Saccharomyces) and bacterial rods (Bacillus subtilis). (approx. X 100). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

The actin-based movement of Listeria monocytogenes within and between host cells

These bacteria induce the assembly of actin-rich tails in the host cell cytoplasm, which enable them to move rapidly. Motile bacteria spread from cell to cell by forming membrane-enclosed protrusions that are engulfed by neighboring cells. (B) Fluorescence micrograph of the bacteria moving in a ... Read More

Plasmodium malariae

Plasmodium malariae band form trophozoite. (1000X). Read More

Colonies of Histoplasma capsulatum

Colonies of Histoplasma capsulatum growning on blood agar plates. Incubated at 30C. Note glabrous colonies without aerial mycelium Read More
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