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Gyromitra
''Gyromitra'' is a genus of ascomycete mushrooms found in the northern hemisphere. The genus contains about 18 species.〔 Analysis of the ribosomal DNA of many of the Pezizales showed the genus ''Gyromitra'' to be most closely related to the genus ''Discina'', and also ''Pseudorhizina'', ''Hydnotrya'', and only distantly related to ''Helvella''. Thus the four genera are now included in the family Discinaceae.〔〔 ''Gyromitra'' comes from ''gyro'' meaning ''convoluted'' and ''mitra'' meaning ''turban''. ==Toxicity==
Some types of ''Gyromitra'' are highly poisonous when raw due to the presence of Gyromitrin, although some species are edible when cooked and ''Gyromitra'' are sought after in Scandinavian countries. Widespread hemolysis has been reported from ingestion which can result in renal failure. Methemoglobinemia has also been seen, although it is typically responsive to treatment with methylene blue. Seizures can also develop via inhibition of the neurotransmitter GABA.〔Brozen, R. "Mushroom Toxicity - Gyromitra Toxin." Emedicine.com, Last updated: 2/29/08.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Gyromitra」の詳細全文を読む
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