One of our long-running goals at HuffPost Arts & Culture is to eliminate the unnecessary divide that has so long plagued the arts and sciences. So we were overjoyed to stumble upon the work of microbiologist-cum-photographer Zachary Copfer, who has turned a traditional artistic practice into a l... Read More
Blastomyces dermatitidis. Yeast from tissue smear. Gomori methenamine silver nitrate stain. (400x) Read More
Legionella pneumophilia in yolk sac of embryonated egg as stained by the Gimenez method Read More
A positive D test indicates that the presence of macrolide-inducible resistance to clindamycin produced by an inducible methylase enzyme that alters the common ribosomal binding site for macrolides, clindamycin and the group B streptogrammins (quinupristin). This cross-resistance, called the ML... Read More
A fruticose (leaflike) lichen. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. 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
Conidiophores of Aspergillus fumigatus formed in a pulmonary cavity Read More
Picture of Couple Kissing in Mexico City with Surgical masks on During Swine Flu Outbreak. From The Guardian UK. Article link here http://www.guardian.co.uk/world/2009/apr/26/swine-flu-outbreak-mexico-pandemic. Photo by Alfredo Estrella/AFP/Getty Images Read More
This photomicrograph depicted a number of Gram-positive, endospore-forming Bacillus anthracis bacteria. B. anthracis is the pathologic microorganism responsible for the disease “anthrax”, an acute infectious disease, which most commonly occurs in wild and domestic vertebrates (cattle, sheep, goa... Read More
A computer model shows side and top views of two different proteins produced by anthrax bacteria. The green molecule is "protective antigen" (PA), which spontaneously forms pores that penetrate organic membranes such as cell walls. The yellow molecule is "lethal factor (LF)." When a voltage is a... Read More
It is a well recognized uncommon cause of skin and nail infection of the hands and feet . Unlike Dermatophytosis these mould infections are not contagious. There are few reports of invasive infection caused by N. dimidiatum; most infections occurred in immunocompromised hosts. Arthrospores are ... Read More
This slideshow outlines the work of WHOI scientists Tracy Mincer and Kristen Whalen in the quest to beat antibiotic resistance through bioprospecting in the ocean. Read More
A streak plate of Strep pyogenes on blood agar, stock culture used for class, was kept at room temp for 1 month. Before disposal a contaminant, presumably environmental, was seen on the plate. The pigment was opaque tan/yellow and with a mucoid surface. Lobate marigins with raised irregular-rh... Read More
Lipid Plate/Tributyrin Agar used to test for an organisms ability to produce the exoenzyme lipase which breaks down the lipids in the agar creating a clear zone around the organism. (A) Serratia marcesens, lipid hydrolysis, indicated by a zone of clearing around the growing colony, as well as th... Read More
This is an image of Clostridium difficile colonies grown on cycloserine mannitol agar after 48 hours.
C. difficile, an anaerobic gram-positive rod, is the most frequently identified cause of Antibiotic-Associated Diarrhea (AAC). It accounts for approximately 15-25% of all episodes of AAC.
... Read More
Orange pigmented crustose lichens. From the Wistreich Collection. Read More
It causes human mucormycosis and bovine mycotic abortion.
It is distinguished from R.arrhizus by its shorter stalk, and smaller sporangia and spores.
Var.oligosporus : has elongated columellae ; spores less obviously striated.
Var.rhizopodiformis : has ... Read More
b325-3 clostridium sporogenes - sporoangia and spores, crystal violet (1000x) Read More