Publications by authors named "Marek Halama"

Article Synopsis
  • Two proposals have been put forward to allow DNA sequences to be used as types for naming certain fungi, which could fundamentally alter the definition of nomenclatural types and lead to various issues in scientific reproducibility and nomenclatural instability.
  • The authors argue against these proposals, suggesting that they would not effectively address the challenges of naming taxa based solely on DNA and propose instead that formulas for naming candidate taxa could be a better solution without changing existing nomenclature rules.
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The pharmacological activities and acute toxicity of the psilocin (PC) and dried residues of the crude extracts of psychotropic mushrooms were investigated in mice. The hallucinogenic substances were effectively isolated, by using methanol, from the species of Psilocybe semilanceata and Pholiotina cyanopus, that were collected in the north-east region of Poland. The chemical analysis of these extracts, which was performed by liquid chromatography with mass spectrometry detection (LC-MS), indicated the presence of psilocin and other hallucinogenic substances, including indolealkylamines and their phosphorylated analogues.

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Fly agaric (Amanita muscaria) was investigated using a 1H NMR-based metabolomics approach. The caps and stems were studied separately, revealing different metabolic compositions. Additionally, multivariate data analyses of the fungal basidiomata and the type of soil were performed.

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In this study, the CZE method for rapid quantitative and qualitative determination of ibotenic acid and muscimol in Amanita mushrooms naturally grown in Poland was developed. The investigations included the species of A. muscaria, A.

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