EMMONSIA is a genus of soil fungus that can cause adiaspiromycosis , a pulmonary disease common in wild animals (but rare in humans) as well as disseminated disease.
When aerosolized spores are inhaled, they enlarge dramatically, from 2–4 μm to 40–500 μm in diameter.
Emmonsia was first described by Chester W. Emmons , senior mycologist with the US Public Health Service , as Haplosporangium parvum in 1942. In 1958, it was reclassified into a separate genus and named in honor of Emmons. Because these swollen cells do not replicate, Emmons and Jellison termed them “adiaspores” (from the Greek a (not) + dia (by) + spora (sowing)). As of 2017, phylogenetic analyses have concluded that fungi in this genus are polyphyletic, and proposed taxonomic changes may render the genus name obsolete.
* ^ A B C Henry, Ronnie (February 2017). "Etymologia: Emmonsia". Emerg Infect Dis. 23 (2): 348. doi :10.3201/eid2302.ET2302 .
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