At a magnification of 1125X, this photomicrograph revealed some of the ultrastructural morphology exhibited by a Histoplasma capsulatum fungal macroconidium. The reproductive spores produced by H. capsulatum can be either macroconidia or microconidia. It is the macroconidia that exhibits finger-... Read More
Mycoplasma pneumoniae. Macrophotograph of 16mm petri dish containing microcolonies characteristics of broth-grown Mycoplasma pneumoniae Read More
Dr. Donna Stolz of the University of Pittsburgh assembled a wreath collage of mammalian cells stained for various proteins and organelles magnified from 220x to 2000x.
Nikon’s Small World Photomicrography Competition Read More
I comment a bit, as an educator, about the loss of Carl Woese. Not only the importance of his discoveries, but how he went about his work, remains of great value. Read More
Mycobacterium smegmatis colonies on lowenstein-jensen media (2x) Read More
Coxsackie viruses. Coloured transmission electron micrograph (TEM) of a group of Coxsackie viruses. These viruses were named after the town in the USA where they were isolated. They are entero- viruses, part of the Picornaviridae group. This group contains small, non-enveloped, icosahedral- shap... Read More
This negatively-stained transmission electron micrograph (TEM) revealed the presence of Rubella virus virions, as they were in the process of budding from the host cell surface to be freed into the host’s system, thereby, producing an enveloped virus particle, which means that after budding, the... Read More
Exophiala jeanselmei. Note long slender conidiophores with terminal sporulation. Secondary budding of conidia is rare. LCB mount. Read More
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
Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) infections are caused primarily by a single strain—USA300—of an evolving bacterium that has spread with “extraordinary transmissibility” throughout the United States during the past five years, according to a new study le... Read More
Blastomyces dermatitidis. Yeast phase. Interference phase microscopy Read More
Rothia dentocariosa. Granular microcolonies, 18 hour aerobic growth on trypticase soy agar (250X) Read More
Paracoccidioides brasiliensis. Tissue form grown in vitro at 37C Read More
Non-acid-fast rods (Corynebacterium species). (approx. X 1000). Taken from the Wistreich Collection, appearing exclusively on Microbeworld. Read More