Gyromitrin

Gyromitrin

Gyromitrin is a toxic compound found in certain mushrooms, notably some species within the genus Gyromitra, such as Gyromitra esculenta (commonly known as the false morel). Gyromitrin is a volatile, hydrazine-derived toxin that, upon ingestion, is hydrolyzed in the body to monomethylhydrazine (MMH), a compound that is both hepatotoxic and neurotoxic. This conversion process is what makes gyromitrin particularly dangerous, as MMH interferes with the normal functioning of vitamin B6 and can lead to a range of symptoms from vomiting and diarrhea to severe neurological effects, including seizures and, in extreme cases, death.

The presence of gyromitrin and its associated risks have led to a strong caution against the consumption of wild mushrooms without proper identification and knowledge. Despite its toxicity, Gyromitra esculenta and other gyromitrin-containing mushrooms are consumed in some cultures, particularly in Eastern Europe and Scandinavia, after thorough processing to reduce toxin levels. However, the effectiveness of these traditional detoxification methods has been questioned, and cases of poisoning continue to be reported.

Mushroom poisoning from gyromitrin is a serious concern, and symptoms can vary widely depending on the amount of toxin ingested. Initial symptoms often include gastrointestinal distress, such as abdominal pain, nausea, vomiting, and diarrhea, appearing within hours of consumption. If untreated, more severe symptoms such as jaundice, seizures, and coma can develop, reflecting the toxin's impact on the liver and central nervous system. Treatment for gyromitrin poisoning is primarily supportive, focusing on managing symptoms and preventing further absorption of the toxin.

Due to its potential for severe toxicity, gyromitrin is a subject of interest in the fields of mycology, toxicology, and public health. Research into gyromitrin and its effects continues, with the goals of better understanding its mechanism of action, improving the treatment of poisoning, and educating the public on the risks associated with consuming wild mushrooms.

Gyromitrin

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  Methylhydrazine 3D balls

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  Gyromitrin mechanism of action

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  Stenmurkla

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  Atlas des champignons comestibles et vénéneux (Planche 78)