Paralepistopsis acromelalga explained

Paralepistopsis acromelalga is a basidiomycete fungus in the Tricholomataceae family. It was formerly classified as Clitocybe acromelalga.[1]

Taxonomy

It was first described in 1918 by the mycologist T. Ichimura and classified as Clitocybe acromelalga.[2]

The Paralepistopsis genus was created in 2012 by the Italian mycologist Alfredo Vizzini to better classify two rare toxic species formerly located in the Clitocybe genus and this species was subsequently reclassified.[3]

Habitat and distribution

It has been found in Japan, South Korea and Mexico [3]

Toxicity

It was discovered to be poisonous in 1918, when symptoms of mushroom poisoning occurred within three days of consumption. It had been mistaken for the edible tawny funnel cap (Paralepista flaccida formerly Lepista flaccida).[4]

Consumption of a related species, Paralepistopsis amoenolens, from France has resulted in the same condition.[5] [6]

That species is commonly known as the paralysis cap and has been shown to contain acromelic acids including acromelic acid A which is a potent neurotoxin with the chemical formula of and is associated with causing paralysis and seizures[7]

Notes and References

  1. Web site: Species Fungorum - Paralepistopsis acromelalga (Ichimura) Vizzini, Mycotaxon 120: 261 (2012) . 2022-07-19 . www.speciesfungorum.org.
  2. Web site: Species Fungorum - Clitocybe acromelalga Ichimura, Bot. Gaz., Chicago 65: 110 (1918) . 2022-07-19 . www.speciesfungorum.org.
  3. Vizzini . Alfredo . Ercole . Enrico . 2012-09-28 . Paralepistopsis gen. nov. and Paralepista (Basidiomycota, Agaricales) . Mycotaxon . 120 . 1 . 253–267 . 10.5248/120.253. free . 2318/124414 . free .
  4. Ichimura . J . 1918. A new poisonous mushroom . Bot Gaz (Tokyo) . 65 . 10911.
  5. Saviuc PF, Danel VC, Moreau PA, Guez DR, Claustre AM, Carpentier PH, Mallaret MP, Ducluzeau R . 2001. Erythromelalgia and mushroom poisoning . J Toxicol Clin Toxicol . 39 . 4 . 403–07. 10.1081/CLT-100105162 . 11527236. 32805160 .
  6. Diaz . James H.. February 2005 . Syndromic diagnosis and management of confirmed mushroom poisonings . Critical Care Medicine . 33 . 2 . 427–36. 10.1097/01.CCM.0000153531.69448.49 . 15699849. 24492593 .
  7. Web site: PubChem . Acromelic acid A . 2022-07-19 . pubchem.ncbi.nlm.nih.gov . en.

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