May 10th – Fusarium is a large genus of filamentous fungi, part of a group often referred to as hyphomycetes, widely distributed in soil and associated with plants. Most species are harmless saprobes, and are relatively abundant members of the soil microbial community. Some species produce mycotoxins in cereal crops that can affect human and …

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Trichophyton Mentagrophytes (Athlete’s Foot)

Trichophyton Mentagrophytes (Athlete’s Foot)

Jan 15th – In ancient times, athlete’s foot was attributed to insect bites. (In medical Latin it’s called tinea pedis, or foot larvae.) However, in the 19th century a team of scientists discovered that microorganisms were responsible! Although a variety of fungi can cause foot rashes, Trichophyton mentagrophytes cause the itchy, cracked skin typically found between …

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Penicillium marneffei- a blog by Jason Carr

Penicillium marneffei

Jan 4th – Penicillium species are usually regarded as unimportant in terms of causing human disease. Penicillium marneffei, discovered in 1956, is an exception. This is the only known thermally dimorphic species of Penicillium, and it can cause a lethal systemic infection(penicilliosis) with fever and anaemia similar to disseminated cryptococcosis. #365DaysOfMicroscopy

Histoplasma - a blog by Jason Carr


Jan 3rd – Histoplasmosis is an infection caused by a fungus called Histoplasma. The fungus lives in the environment, particularly in soil that contains large amounts of bird or bat droppings. In the United States, Histoplasma mainly lives in the central and eastern states, especially areas around the Ohio and Mississippi River valleys. People can …

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